Add TRUST ResultStatus (#45)

src/main/antlr4/imports/Fraudo.g4

@@ -93,7 +93,8 @@ country_by
  ;
 
 result
- : 'accept'
+ : 'trust'
+ | 'accept'
  | '3ds'
  | 'highRisk'
  | 'decline'
@@ -103,7 +104,8 @@ result
  ;
 
 catch_result
- : 'accept'
+ : 'trust'
+ | 'accept'
  | '3ds'
  | 'highRisk'
  | 'notify'

src/main/java/dev/vality/fraudo/constant/ResultStatus.java

@@ -5,6 +5,7 @@ import java.util.Map;
 
 public enum ResultStatus {
 
+    TRUST("trust"),
     ACCEPT("accept"),
     ACCEPT_AND_NOTIFY("acceptAndNotify"),
     THREE_DS("3ds"),

src/test/java/dev/vality/fraudo/CustomTest.java

@@ -27,6 +27,13 @@ public class CustomTest extends AbstractPaymentTest {
         MockitoAnnotations.initMocks(this);
     }
 
+    @Test
+    void trustTest() throws Exception {
+        InputStream resourceAsStream = CustomTest.class.getResourceAsStream("/rules/trust.frd");
+        ResultModel result = parseAndVisit(resourceAsStream);
+        assertEquals(ResultStatus.TRUST, ResultUtils.findFirstNotNotifyStatus(result).get().getResultStatus());
+    }
+
     @Test
     void threeDsTest() throws Exception {
         InputStream resourceAsStream = CustomTest.class.getResourceAsStream("/rules/three_ds.frd");

src/test/resources/rules/trust.frd

@@ -0,0 +1,2 @@
+rule: rand(2) < 3
+-> trust;