1 files changed, 104 insertions, 0 deletions
diff --git a/sdc-workflow-designer-be/src/test/java/org/onap/sdc/workflow/api/validation/NoDuplicatesValidatorTest.java b/sdc-workflow-designer-be/src/test/java/org/onap/sdc/workflow/api/validation/NoDuplicatesValidatorTest.java
new file mode 100644
index 00000000..f8f6b743
--- /dev/null
+++ b/sdc-workflow-designer-be/src/test/java/org/onap/sdc/workflow/api/validation/NoDuplicatesValidatorTest.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onap.sdc.workflow.api.validation;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.when;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import javax.validation.ConstraintValidatorContext;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.onap.sdc.workflow.api.types.Parameter;
+
+public class NoDuplicatesValidatorTest {
+
+    class AnnotationWrapper {
+
+        @NoDuplicates(message = "test message")
+        public Collection<Parameter> collection;
+    }
+
+    private NoDuplicatesValidator noDuplicatesValidator;
+
+    @Mock
+    private ConstraintValidatorContext context;
+    @Mock
+    private ConstraintValidatorContext.ConstraintViolationBuilder constraintViolationBuilder;
+    @Mock
+    private ConstraintValidatorContext.ConstraintViolationBuilder.NodeBuilderCustomizableContext
+            nodeBuilderCustomizableContext;
+
+    @Before
+    public void init() throws NoSuchFieldException {
+        MockitoAnnotations.initMocks(this);
+        when(context.buildConstraintViolationWithTemplate(anyString())).thenReturn(constraintViolationBuilder);
+        when(constraintViolationBuilder.addPropertyNode(anyString())).thenReturn(nodeBuilderCustomizableContext);
+        noDuplicatesValidator = initializeValidator(AnnotationWrapper.class);
+    }
+
+    @Test
+    public void shouldFailIfCollectionHaveMoreThen1ParameterEntityWithSameName() {
+        Collection<Parameter> inputs = Arrays.asList(createParameter("name1"), createParameter("name1"));
+
+        assertFalse(noDuplicatesValidator.isValid(inputs, context));
+    }
+
+    @Test
+    public void shouldPassIfCollectionDontHaveMoreThen1ParameterEntityWithSameName() {
+        Collection<Parameter> inputs = Arrays.asList(createParameter("name2"), createParameter("name1"));
+
+        assertTrue(noDuplicatesValidator.isValid(inputs, context));
+    }
+
+    @Test
+    public void shouldPassIfCollectionContainsOnlyOneObject() {
+        Collection<Parameter> inputs = Collections.singletonList(createParameter("name2"));
+
+        assertTrue(noDuplicatesValidator.isValid(inputs, context));
+    }
+
+    @Test
+    public void shouldPassIfCollectionIsNull() {
+        assertTrue(noDuplicatesValidator.isValid(null, context));
+    }
+
+    @Test
+    public void shouldPassIfCollectionIsEmpty() {
+        assertTrue(noDuplicatesValidator.isValid(new ArrayList<>(), context));
+    }
+
+    private NoDuplicatesValidator initializeValidator(Class<?> classWithAnnotation) throws NoSuchFieldException {
+        NoDuplicates constraint = classWithAnnotation.getField("collection").getAnnotation(NoDuplicates.class);
+        NoDuplicatesValidator validator = new NoDuplicatesValidator();
+        validator.initialize(constraint);
+        return validator;
+    }
+
+    private Parameter createParameter(String name) {
+        Parameter parameter = new Parameter();
+        parameter.setName(name);
+        return parameter;
+    }
+}