Add tests for mutually exclusive options.

tests/integration/cli_test.py

@@ -20,6 +20,67 @@ class SaltCloudCliTest(integration.ShellCase,
 
     _call_binary_ = 'salt-cloud'
 
+    def test_function_arguments(self):
+        self.assertIn(
+            'salt-cloud: error: --function expects two arguments: '
+            '<function-name> <provider>',
+            self.run_cloud('--function show_image -h', catch_stderr=True)[1]
+        )
+
+    def test_list_providers_accepts_no_arguments(self):
+        self.assertIn(
+            'salt-cloud: error: \'--list-providers\' does not accept any '
+            'arguments',
+            self.run_cloud('--list-providers ec2', catch_stderr=True)[1]
+        )
+
+    def test_mutually_exclusive_query_options(self):
+        test_options = [
+            '--query', '--full-query', '--select-query', '--list-providers'
+        ]
+        while True:
+            for idx in range(1, len(test_options)):
+                self.assertIn(
+                    'salt-cloud: error: The options {0}/{1} are mutually '
+                    'exclusive. Please only choose one of them'.format(
+                        test_options[0], test_options[idx]
+                    ),
+                    self.run_cloud(
+                        '{0} {1}'.format(test_options[0], test_options[idx]),
+                        catch_stderr=True)[1]
+                )
+            # Remove the first option from the list
+            test_options.pop(0)
+            if len(test_options) <= 1:
+                # Only one left? Stop iterating
+                break
+
+    def test_mutually_exclusive_list_options(self):
+        test_options = ['--list-locations', '--list-images', '--list-sizes']
+        while True:
+            for idx in range(1, len(test_options)):
+                output = self.run_cloud(
+                    '{0} ec2 {1} ec2'.format(
+                        test_options[0], test_options[idx]
+                    ), catch_stderr=True
+                )
+                try:
+                    self.assertIn(
+                        'salt-cloud: error: The options {0}/{1} are mutually '
+                        'exclusive. Please only choose one of them'.format(
+                            test_options[0], test_options[idx]
+                        ),
+                        output[1]
+                    )
+                except AssertionError:
+                    print output
+                    raise
+            # Remove the first option from the list
+            test_options.pop(0)
+            if len(test_options) <= 1:
+                # Only one left? Stop iterating
+                break
+
 
 if __name__ == '__main__':
     from integration import run_testcase