Add auto-generated tests and travis config to Dart clients (#2909)

* add auto-generated tests and travis config for dart

* improve tests

* fix tests

.gitignore

@@ -218,6 +218,7 @@ samples/server/petstore/erlang-server/rebar.lock
 samples/client/petstore/dart/petstore/packages
 samples/client/petstore/dart/flutter_petstore/test/packages
 samples/client/petstore/dart/petstore/test/packages
+**/.dart_tool
 
 # JS
 samples/client/petstore/javascript/package-lock.json

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/DartClientCodegen.java

@@ -49,6 +49,8 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
     protected String sourceFolder = "";
     protected String apiDocPath = "docs" + File.separator;
     protected String modelDocPath = "docs" + File.separator;
+    protected String apiTestPath = "test" + File.separator;
+    protected String modelTestPath = "test" + File.separator;
 
     public DartClientCodegen() {
         super();
@@ -66,6 +68,9 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
         modelDocTemplateFiles.put("object_doc.mustache", ".md");
         apiDocTemplateFiles.put("api_doc.mustache", ".md");
 
+        modelTestTemplateFiles.put("model_test.mustache", ".dart");
+        apiTestTemplateFiles.put("api_test.mustache", ".dart");
+
         setReservedWordsLowerCase(
                 Arrays.asList(
                         "abstract", "as", "assert", "async", "async*", "await",
@@ -214,6 +219,7 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
         supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));
         supportingFiles.add(new SupportingFile("gitignore.mustache", "", ".gitignore"));
         supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
+        supportingFiles.add(new SupportingFile("travis.mustache", "", ".travis.yml"));
     }
 
     @Override
@@ -231,6 +237,16 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
         return outputFolder + File.separator + sourceFolder + File.separator + modelPackage().replace('.', File.separatorChar);
     }
 
+    @Override
+    public String apiTestFileFolder() {
+        return outputFolder + File.separator + apiTestPath.replace('/', File.separatorChar);
+    }
+
+    @Override
+    public String modelTestFileFolder() {
+        return outputFolder + File.separator + modelTestPath.replace('/', File.separatorChar);
+    }
+
     @Override
     public String apiDocFileFolder() {
         return outputFolder + File.separator + apiDocPath.replace('/', File.separatorChar);
@@ -295,6 +311,16 @@ public class DartClientCodegen extends DefaultCodegen implements CodegenConfig {
         return underscore(toApiName(name));
     }
 
+    @Override
+    public String toApiTestFilename(String name) {
+        return toApiFilename(name) + "_test";
+    }
+
+    @Override
+    public String toModelTestFilename(String name) {
+        return toModelFilename(name) + "_test";
+    }
+
     @Override
     public String toDefaultValue(Schema schema) {
         if (ModelUtils.isMapSchema(schema)) {

modules/openapi-generator/src/main/resources/dart/api_test.mustache

@@ -0,0 +1,28 @@
+import 'package:{{pubName}}/api.dart';
+import 'package:test/test.dart';
+
+{{#operations}}
+
+/// tests for {{classname}}
+void main() {
+  var instance = new {{classname}}();
+
+  group('tests for {{classname}}', () {
+    {{#operation}}
+    {{#summary}}
+    // {{{.}}}
+    //
+    {{/summary}}
+    {{#notes}}
+    // {{{.}}}
+    //
+    {{/notes}}
+    //{{#returnType}}Future<{{{returnType}}}> {{/returnType}}{{^returnType}}Future {{/returnType}}{{operationId}}({{#allParams}}{{#required}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/required}}{{/allParams}}{{#hasOptionalParams}}{ {{#allParams}}{{^required}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/required}}{{/allParams}} }{{/hasOptionalParams}}) async 
+    test('test {{operationId}}', () async {
+      // TODO
+    });
+
+    {{/operation}}
+  });
+}
+{{/operations}}

modules/openapi-generator/src/main/resources/dart/model_test.mustache

@@ -0,0 +1,26 @@
+{{#models}}
+{{#model}}
+import 'package:{{pubName}}/api.dart';
+import 'package:test/test.dart';
+
+// tests for {{classname}}
+void main() {
+  var instance = new Pet();
+
+  group('test {{classname}}', () {
+    {{#vars}}
+    {{#description}}
+    // {{{description}}}
+    {{/description}}
+    // {{{dataType}}} {{name}}{{#defaultValue}} (default value: {{{.}}}){{/defaultValue}}
+    test('to test the property `{{name}}`', () async {
+      // TODO
+    });
+
+    {{/vars}}
+
+  });
+
+}
+{{/model}}
+{{/models}}

modules/openapi-generator/src/main/resources/dart/pubspec.mustache

@@ -3,3 +3,5 @@ version: {{pubVersion}}
 description: {{pubDescription}}
 dependencies:
   http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

modules/openapi-generator/src/main/resources/dart/travis.mustache

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "1.24.3"
+install:
+- pub get
+
+script:
+- pub run test

modules/openapi-generator/src/main/resources/dart2/api_test.mustache

@@ -0,0 +1,28 @@
+import 'package:{{pubName}}/api.dart';
+import 'package:test/test.dart';
+
+{{#operations}}
+
+/// tests for {{classname}}
+void main() {
+  var instance = new {{classname}}();
+
+  group('tests for {{classname}}', () {
+    {{#operation}}
+    {{#summary}}
+    // {{{.}}}
+    //
+    {{/summary}}
+    {{#notes}}
+    // {{{.}}}
+    //
+    {{/notes}}
+    //{{#returnType}}Future<{{{returnType}}}> {{/returnType}}{{^returnType}}Future {{/returnType}}{{operationId}}({{#allParams}}{{#required}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/required}}{{/allParams}}{{#hasOptionalParams}}{ {{#allParams}}{{^required}}{{{dataType}}} {{paramName}}{{#hasMore}}, {{/hasMore}}{{/required}}{{/allParams}} }{{/hasOptionalParams}}) async 
+    test('test {{operationId}}', () async {
+      // TODO
+    });
+
+    {{/operation}}
+  });
+}
+{{/operations}}

modules/openapi-generator/src/main/resources/dart2/model_test.mustache

@@ -0,0 +1,26 @@
+{{#models}}
+{{#model}}
+import 'package:{{pubName}}/api.dart';
+import 'package:test/test.dart';
+
+// tests for {{classname}}
+void main() {
+  var instance = new Pet();
+
+  group('test {{classname}}', () {
+    {{#vars}}
+    {{#description}}
+    // {{{description}}}
+    {{/description}}
+    // {{{dataType}}} {{name}}{{#defaultValue}} (default value: {{{.}}}){{/defaultValue}}
+    test('to test the property `{{name}}`', () async {
+      // TODO
+    });
+
+    {{/vars}}
+
+  });
+
+}
+{{/model}}
+{{/models}}

modules/openapi-generator/src/main/resources/dart2/pubspec.mustache

@@ -5,3 +5,5 @@ environment:
   sdk: '>=2.0.0 <3.0.0'
 dependencies:
   http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

modules/openapi-generator/src/main/resources/dart2/travis.mustache

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "2.2.0"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart/flutter_petstore/openapi/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart/flutter_petstore/openapi/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "1.24.3"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart/flutter_petstore/openapi/pubspec.yaml

@@ -3,3 +3,5 @@ version: 1.0.0
 description: OpenAPI API client
 dependencies:
   http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart/flutter_petstore/openapi/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/flutter_petstore/openapi/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart/openapi-browser-client/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "1.24.3"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart/openapi-browser-client/pubspec.yaml

@@ -3,3 +3,5 @@ version: 1.0.0
 description: OpenAPI API client
 dependencies:
   http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart/openapi-browser-client/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi-browser-client/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi-browser-client/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi-browser-client/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi-browser-client/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart/openapi/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "1.24.3"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart/openapi/pubspec.yaml

@@ -3,3 +3,5 @@ version: 1.0.0
 description: OpenAPI API client
 dependencies:
   http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart/openapi/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/openapi/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart/openapi/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart/purge_test.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo "purge test fils under 'test' folder"
+rm -Rf flutter_petstore/openapi/test/
+rm -Rf openapi/test/
+rm -Rf openapi-browser-client/test

samples/client/petstore/dart2/flutter_petstore/openapi/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart2/flutter_petstore/openapi/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "2.2.0"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart2/flutter_petstore/openapi/pubspec.yaml

@@ -4,4 +4,6 @@ description: OpenAPI API client
 environment:
   sdk: '>=2.0.0 <3.0.0'
 dependencies:
-  http: '>=0.11.1 <0.12.0'
+  http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart2/flutter_petstore/openapi/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/flutter_petstore/openapi/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart2/openapi-browser-client/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "2.2.0"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart2/openapi-browser-client/pubspec.yaml

@@ -4,4 +4,6 @@ description: OpenAPI API client
 environment:
   sdk: '>=2.0.0 <3.0.0'
 dependencies:
-  http: '>=0.11.1 <0.12.0'
+  http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart2/openapi-browser-client/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi-browser-client/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi-browser-client/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi-browser-client/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi-browser-client/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/.openapi-generator/VERSION

@@ -1 +1 @@
-4.0.0-SNAPSHOT
+4.0.1-SNAPSHOT

samples/client/petstore/dart2/openapi/.travis.yml

@@ -0,0 +1,11 @@
+# https://docs.travis-ci.com/user/languages/dart/
+#
+language: dart
+dart:
+# Install a specific stable release
+- "2.2.0"
+install:
+- pub get
+
+script:
+- pub run test

samples/client/petstore/dart2/openapi/pubspec.yaml

@@ -4,4 +4,6 @@ description: OpenAPI API client
 environment:
   sdk: '>=2.0.0 <3.0.0'
 dependencies:
-  http: '>=0.11.1 <0.12.0'
+  http: '>=0.11.1 <0.13.0'
+dev_dependencies:
+  test: ^1.3.0

samples/client/petstore/dart2/openapi/test/api_response_test.dart

@@ -0,0 +1,27 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for ApiResponse
+void main() {
+  var instance = new Pet();
+
+  group('test ApiResponse', () {
+    // int code (default value: null)
+    test('to test the property `code`', () async {
+      // TODO
+    });
+
+    // String type (default value: null)
+    test('to test the property `type`', () async {
+      // TODO
+    });
+
+    // String message (default value: null)
+    test('to test the property `message`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/test/category_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Category
+void main() {
+  var instance = new Pet();
+
+  group('test Category', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/test/order_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Order
+void main() {
+  var instance = new Pet();
+
+  group('test Order', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // int petId (default value: null)
+    test('to test the property `petId`', () async {
+      // TODO
+    });
+
+    // int quantity (default value: null)
+    test('to test the property `quantity`', () async {
+      // TODO
+    });
+
+    // DateTime shipDate (default value: null)
+    test('to test the property `shipDate`', () async {
+      // TODO
+    });
+
+    // Order Status
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+    // bool complete (default value: false)
+    test('to test the property `complete`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/test/pet_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for PetApi
+void main() {
+  var instance = new PetApi();
+
+  group('tests for PetApi', () {
+    // Add a new pet to the store
+    //
+    //Future addPet(Pet body) async 
+    test('test addPet', () async {
+      // TODO
+    });
+
+    // Deletes a pet
+    //
+    //Future deletePet(int petId, { String apiKey }) async 
+    test('test deletePet', () async {
+      // TODO
+    });
+
+    // Finds Pets by status
+    //
+    // Multiple status values can be provided with comma separated strings
+    //
+    //Future<List<Pet>> findPetsByStatus(List<String> status) async 
+    test('test findPetsByStatus', () async {
+      // TODO
+    });
+
+    // Finds Pets by tags
+    //
+    // Multiple tags can be provided with comma separated strings. Use tag1, tag2, tag3 for testing.
+    //
+    //Future<List<Pet>> findPetsByTags(List<String> tags) async 
+    test('test findPetsByTags', () async {
+      // TODO
+    });
+
+    // Find pet by ID
+    //
+    // Returns a single pet
+    //
+    //Future<Pet> getPetById(int petId) async 
+    test('test getPetById', () async {
+      // TODO
+    });
+
+    // Update an existing pet
+    //
+    //Future updatePet(Pet body) async 
+    test('test updatePet', () async {
+      // TODO
+    });
+
+    // Updates a pet in the store with form data
+    //
+    //Future updatePetWithForm(int petId, { String name, String status }) async 
+    test('test updatePetWithForm', () async {
+      // TODO
+    });
+
+    // uploads an image
+    //
+    //Future<ApiResponse> uploadFile(int petId, { String additionalMetadata, MultipartFile file }) async 
+    test('test uploadFile', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi/test/pet_test.dart

@@ -0,0 +1,43 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Pet
+void main() {
+  var instance = new Pet();
+
+  group('test Pet', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // Category category (default value: null)
+    test('to test the property `category`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+    // List<String> photoUrls (default value: [])
+    test('to test the property `photoUrls`', () async {
+      // TODO
+    });
+
+    // List<Tag> tags (default value: [])
+    test('to test the property `tags`', () async {
+      // TODO
+    });
+
+    // pet status in the store
+    // String status (default value: null)
+    test('to test the property `status`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/test/store_api_test.dart

@@ -0,0 +1,45 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for StoreApi
+void main() {
+  var instance = new StoreApi();
+
+  group('tests for StoreApi', () {
+    // Delete purchase order by ID
+    //
+    // For valid response try integer IDs with value < 1000. Anything above 1000 or nonintegers will generate API errors
+    //
+    //Future deleteOrder(String orderId) async 
+    test('test deleteOrder', () async {
+      // TODO
+    });
+
+    // Returns pet inventories by status
+    //
+    // Returns a map of status codes to quantities
+    //
+    //Future<Map<String, int>> getInventory() async 
+    test('test getInventory', () async {
+      // TODO
+    });
+
+    // Find purchase order by ID
+    //
+    // For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions
+    //
+    //Future<Order> getOrderById(int orderId) async 
+    test('test getOrderById', () async {
+      // TODO
+    });
+
+    // Place an order for a pet
+    //
+    //Future<Order> placeOrder(Order body) async 
+    test('test placeOrder', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi/test/tag_test.dart

@@ -0,0 +1,22 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for Tag
+void main() {
+  var instance = new Pet();
+
+  group('test Tag', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String name (default value: null)
+    test('to test the property `name`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/openapi/test/user_api_test.dart

@@ -0,0 +1,73 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+
+/// tests for UserApi
+void main() {
+  var instance = new UserApi();
+
+  group('tests for UserApi', () {
+    // Create user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future createUser(User body) async 
+    test('test createUser', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithArrayInput(List<User> body) async 
+    test('test createUsersWithArrayInput', () async {
+      // TODO
+    });
+
+    // Creates list of users with given input array
+    //
+    //Future createUsersWithListInput(List<User> body) async 
+    test('test createUsersWithListInput', () async {
+      // TODO
+    });
+
+    // Delete user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future deleteUser(String username) async 
+    test('test deleteUser', () async {
+      // TODO
+    });
+
+    // Get user by user name
+    //
+    //Future<User> getUserByName(String username) async 
+    test('test getUserByName', () async {
+      // TODO
+    });
+
+    // Logs user into the system
+    //
+    //Future<String> loginUser(String username, String password) async 
+    test('test loginUser', () async {
+      // TODO
+    });
+
+    // Logs out current logged in user session
+    //
+    //Future logoutUser() async 
+    test('test logoutUser', () async {
+      // TODO
+    });
+
+    // Updated user
+    //
+    // This can only be done by the logged in user.
+    //
+    //Future updateUser(String username, User body) async 
+    test('test updateUser', () async {
+      // TODO
+    });
+
+  });
+}

samples/client/petstore/dart2/openapi/test/user_test.dart

@@ -0,0 +1,53 @@
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for User
+void main() {
+  var instance = new Pet();
+
+  group('test User', () {
+    // int id (default value: null)
+    test('to test the property `id`', () async {
+      // TODO
+    });
+
+    // String username (default value: null)
+    test('to test the property `username`', () async {
+      // TODO
+    });
+
+    // String firstName (default value: null)
+    test('to test the property `firstName`', () async {
+      // TODO
+    });
+
+    // String lastName (default value: null)
+    test('to test the property `lastName`', () async {
+      // TODO
+    });
+
+    // String email (default value: null)
+    test('to test the property `email`', () async {
+      // TODO
+    });
+
+    // String password (default value: null)
+    test('to test the property `password`', () async {
+      // TODO
+    });
+
+    // String phone (default value: null)
+    test('to test the property `phone`', () async {
+      // TODO
+    });
+
+    // User Status
+    // int userStatus (default value: null)
+    test('to test the property `userStatus`', () async {
+      // TODO
+    });
+
+
+  });
+
+}

samples/client/petstore/dart2/purge_test.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo "purge test fils under 'test' folder"
+rm -Rf flutter_petstore/openapi/test/
+rm -Rf openapi/test/
+rm -Rf openapi-browser-client/test