1 files changed, 159 insertions, 0 deletions
diff --git a/src/test/java/org/onap/dcae/restapi/VesRestControllerTest.java b/src/test/java/org/onap/dcae/restapi/VesRestControllerTest.java
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index 00000000..444e28e6
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+++ b/src/test/java/org/onap/dcae/restapi/VesRestControllerTest.java
@@ -0,0 +1,159 @@
+/*
+ * ============LICENSE_START=======================================================
+ * PROJECT
+ * ================================================================================
+ * Copyright (C) 2020 Nokia. All rights reserved.s
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcae.restapi;
+
+import com.google.common.reflect.TypeToken;
+import com.google.gson.Gson;
+import org.jetbrains.annotations.NotNull;
+import org.json.JSONArray;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import org.onap.dcae.ApplicationSettings;
+import org.onap.dcae.common.EventSender;
+import org.onap.dcae.common.EventTransformation;
+import org.onap.dcae.common.HeaderUtils;
+import org.slf4j.Logger;
+import org.springframework.http.ResponseEntity;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class VesRestControllerTest {
+
+    private static final String EVENT_TRANSFORM_FILE_PATH = "/eventTransform.json";
+
+    @InjectMocks
+    VesRestController vesRestController;
+
+    @Mock
+    ApplicationSettings applicationSettings;
+
+    @Mock
+    Logger logger;
+
+    @Mock
+    EventSender eventSender;
+
+    @Mock
+    HeaderUtils headerUtils;
+
+    @Test
+    public void shouldReportThatApiVersionIsNotSupported() {
+        // given
+        when(applicationSettings.isVersionSupported("v20")).thenReturn(false);
+        MockHttpServletRequest request = givenMockHttpServletRequest();
+
+        // when
+        final ResponseEntity<String> event = vesRestController.event("", "v20", request);
+
+        // then
+        assertThat(event.getStatusCodeValue()).isEqualTo(400);
+        assertThat(event.getBody()).isEqualTo("API version v20 is not supported");
+        verify(eventSender, never()).send(any(JSONArray.class));
+    }
+
+    @Test
+    public void shouldTransformEventAccordingToEventTransformFile() throws IOException {
+        //given
+        configureEventTransformations();
+        configureHeadersForEventListener();
+
+        MockHttpServletRequest request = givenMockHttpServletRequest();
+
+        String validEvent = new String(
+                Files.readAllBytes(Paths.get(this.getClass().getResource("/ves7_valid.json").getPath()))
+        );
+
+        //when
+        final ResponseEntity<String> response = vesRestController.event(validEvent, "v7", request);
+
+        //then
+        assertThat(response.getStatusCodeValue()).isEqualTo(202);
+        assertThat(response.getBody()).isEqualTo("Accepted");
+        verifyThatTransformedEventWasSend(eventSender, validEvent);
+    }
+
+    private void configureEventTransformations() throws IOException {
+        final List<EventTransformation> eventTransformations = loadEventTransformations();
+        when(applicationSettings.isVersionSupported("v7")).thenReturn(true);
+        when(applicationSettings.eventTransformingEnabled()).thenReturn(true);
+        when(applicationSettings.getEventTransformations()).thenReturn(eventTransformations);
+    }
+
+    private void configureHeadersForEventListener() {
+        when(headerUtils.getRestApiIdentify(anyString())).thenReturn("eventListener");
+        when(headerUtils.getApiVerFilePath(anyString())).thenReturn(
+                this.getClass().getResource("/api_version_config.json").getPath()
+        );
+    }
+
+    private void verifyThatTransformedEventWasSend(EventSender eventSender, String eventBeforeTransformation) {
+        // event before transformation
+        assertThat(eventBeforeTransformation).contains("\"version\": \"4.0.1\"");
+        assertThat(eventBeforeTransformation).contains("\"faultFieldsVersion\": \"4.0\"");
+
+        ArgumentCaptor<JSONArray> argument = ArgumentCaptor.forClass(JSONArray.class);
+        verify(eventSender).send(argument.capture());
+
+        final String transformedEvent = argument.getValue().toString();
+
+        // event after transformation
+        assertThat(transformedEvent).contains("\"priority\":\"High\",\"version\":3,");
+        assertThat(transformedEvent).contains(",\"faultFieldsVersion\":3,\"specificProblem");
+    }
+
+    @NotNull
+    private MockHttpServletRequest givenMockHttpServletRequest() {
+        MockHttpServletRequest request = new MockHttpServletRequest();
+        request.setContentType("application/json");
+
+        RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
+        return request;
+    }
+
+    private List<EventTransformation> loadEventTransformations() throws IOException {
+        Type EVENT_TRANSFORM_LIST_TYPE = new TypeToken<List<EventTransformation>>() {
+        }.getType();
+
+        try (FileReader fr = new FileReader(this.getClass().getResource(EVENT_TRANSFORM_FILE_PATH).getPath())) {
+            return new Gson().fromJson(fr, EVENT_TRANSFORM_LIST_TYPE);
+        }
+    }
+}