Add list of errors in responce for GET request.

Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com>
Issue-ID: VNFSDK-594
Change-Id: I61fd4b5e514ca4185174027ff08d8908a968e404

6 files changed, 439 insertions, 30 deletions

diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResource.java b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResource.java
index 3bd522ff..2b06fe8f 100644
--- a/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResource.java
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResource.java
@@ -1,5 +1,6 @@
 /**
  * Copyright 2018 Huawei Technologies Co., Ltd.
+ * Copyright 2020 Nokia.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -87,8 +88,9 @@ public class VTPExecutionResource  extends VTPResource{
     private static final String PRODUCT_ARG="--product";
     private static final String OPEN_CLI="open-cli";
     private static final String FORMAT="--format";
+    private static final Gson gson = new Gson();
 
-    private static Gson gson = new Gson();
+    protected static String pathToExecutions = "/opt/vtp/data/executions/";
 
     public VTPTestExecutionList executeHandler(VTPTestExecutionList executions, String requestId) throws VTPException {
         if (requestId == null) {
@@ -295,8 +297,13 @@ public class VTPExecutionResource  extends VTPResource{
                         if (n.get(END_TIME) != null)
                             exec.setEndTime(n.get(END_TIME).getAsString());
 
-                        if (n.get(EXECUTION_ID) != null)
+                        if (n.get(EXECUTION_ID) != null) {
                             exec.setExecutionId(n.get(EXECUTION_ID).getAsString());
+                            exec.setResults(
+                                new VTPExecutionResultsSupplier(pathToExecutions)
+                                    .getExecutionOutputsFromFile(exec.getExecutionId())
+                            );
+                        }
 
                         if (n.get(REQUEST_ID) != null)
                             exec.setRequestId(n.get(REQUEST_ID).getAsString());
@@ -316,6 +323,7 @@ public class VTPExecutionResource  extends VTPResource{
                         if (n.get(STATUS) != null)
                             exec.setStatus(n.get(STATUS).getAsString());
 
+
                         list.getExecutions().add(exec);
                     }
 
@@ -325,6 +333,7 @@ public class VTPExecutionResource  extends VTPResource{
         return list;
     }
 
+
     @Path("/executions")
     @GET
     @ApiOperation(tags = "VTP Execution", value = " List test executions", response = VTPTestExecution.class, responseContainer = "List")
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResultsSupplier.java b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResultsSupplier.java
new file mode 100644
index 00000000..3f1e4c57
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/main/java/org/onap/vtp/execution/VTPExecutionResultsSupplier.java
@@ -0,0 +1,85 @@
+/**
+ * Copyright 2020 Nokia.
+ *
+ * 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.vtp.execution;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.Optional;
+
+public class VTPExecutionResultsSupplier {
+
+    public static final Logger logger = LoggerFactory.getLogger(VTPExecutionResultsSupplier.class);
+
+    private static final String SUB_PATH_TO_EXECUTION_OUTPUT = "/output";
+    private static final Gson gson = new Gson();
+
+    protected String pathToExecutions;
+
+    VTPExecutionResultsSupplier(String pathToExecutions) {
+        this.pathToExecutions = pathToExecutions;
+    }
+
+    public JsonElement getExecutionOutputsFromFile(String executionId) {
+        File directoryWithExecutionFiles = new File(pathToExecutions);
+        return getExecutionFilesForGivenRequest(executionId, directoryWithExecutionFiles)
+            .map(this::getOutputOfLatestExecutionFile)
+            .orElse(createNoOutputFileErrorMessageInJsonFormat());
+    }
+
+    private Optional<File[]> getExecutionFilesForGivenRequest(String requestId, File directoryWithExecutionsData) {
+        return Optional.ofNullable(
+            directoryWithExecutionsData.listFiles((dir, name) -> name.startsWith(requestId))
+        );
+    }
+
+    private JsonElement getOutputOfLatestExecutionFile(File[] directoriesWithExecutionsData) {
+        return Arrays.stream(directoriesWithExecutionsData)
+            .max(Comparator.comparing(File::lastModified))
+            .map(file -> new File(file.getAbsolutePath() + SUB_PATH_TO_EXECUTION_OUTPUT))
+            .filter(File::exists)
+            .map(this::loadOutputJsonFromFile)
+            .orElse(createNoOutputFileErrorMessageInJsonFormat());
+    }
+
+    private JsonArray loadOutputJsonFromFile(File file) {
+        JsonArray outputJson;
+        try {
+            String executionResult = Files.readString(file.toPath());
+            outputJson = gson.fromJson(executionResult, JsonArray.class);
+        } catch (IOException | JsonParseException e) {
+            logger.error(e.getMessage(),e);
+            String errorMessage = "" +
+                "[{ \"error\": \"fail to load execution result\",\"reason\":\"" + e.getMessage() + "\"}]";
+            outputJson = gson.fromJson(errorMessage, JsonArray.class);
+        }
+        return outputJson;
+    }
+
+    private JsonArray createNoOutputFileErrorMessageInJsonFormat() {
+        return gson.fromJson("[{ \"error\": \"unable to find execution results\"}]", JsonArray.class);
+    }
+}
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/VTPExecutionResourceTest.java b/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/VTPExecutionResourceTest.java
index c1a28303..1a3200ab 100644
--- a/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/VTPExecutionResourceTest.java
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/VTPExecutionResourceTest.java
@@ -1,5 +1,6 @@
 /**
  * Copyright 2019 Huawei Technologies Co., Ltd.
+ * Copyright 2020 Nokia.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,37 +16,66 @@
  */
 package org.onap.vtp;
 
+import com.google.common.collect.Lists;
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonParser;
 import org.glassfish.jersey.media.multipart.ContentDisposition;
 import org.glassfish.jersey.media.multipart.FormDataBodyPart;
 import org.junit.Before;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.vtp.error.VTPError;
 import org.onap.vtp.execution.VTPExecutionResource;
 import org.onap.vtp.execution.model.VTPTestExecution;
-import org.open.infc.grpc.Result;
 
 import java.io.IOException;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
 
-import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
 
 @RunWith(MockitoJUnitRunner.class)
 public class VTPExecutionResourceTest {
 
+    static class VTPExecutionResourceForTests extends VTPExecutionResource {
+        public JsonElement expectedRpcResponse = null;
+        public List<String> expectedArguments = null;
+
+        VTPExecutionResourceForTests() {
+            VTPExecutionResource.pathToExecutions = "src/test/resources/executions";
+        }
+
+        @Override
+        protected JsonElement makeRpcAndGetJson(List<String> args, int timeout) throws VTPError.VTPException {
+            if(expectedRpcResponse != null && expectedArguments != null) {
+                if (args.containsAll(expectedArguments)) {
+                    return expectedRpcResponse;
+                } else {
+                    return null;
+                }
+            } else {
+                return super.makeRpcAndGetJson( args, timeout);
+            }
+        }
+    }
+
     @Mock
     FormDataBodyPart formDataBodyPart;
     @Mock
     ContentDisposition contentDisposition;
     String requestId;
-    VTPExecutionResource vtpExecutionResource;
+    VTPExecutionResourceForTests vtpExecutionResource;
     @Before
-    public void setUp() throws Exception {
-        vtpExecutionResource= new VTPExecutionResource();
+    public void setUp() {
+        vtpExecutionResource= new VTPExecutionResourceForTests();
         requestId = UUID.randomUUID().toString();
     }
     @Test(expected = Exception.class)
@@ -74,31 +104,221 @@ public class VTPExecutionResourceTest {
         System.out.println(executions.getExecutions());
         assertNotNull(executions.getExecutions());
        vtpExecutionResource.executeHandler(executions,null);
-       //vtpExecutionResource.executeHandler(executions,requestId);
-        //for handler
     }
-    @Test(expected = Exception.class)
-    public void testListTestExecutionsHandler() throws Exception
-    {
-        vtpExecutionResource.listTestExecutionsHandler(requestId,"VTP Scenario 1","testsuite-1","s1.ts1.testcase-1","open-cli-schema","2019-03-12T11:49:52.845","2020-03-12T11:49:52.845");
-    }
-//
-//    @Test
-//    public void testListTestExecutionsHandler1() throws Exception
-//    {   VTPExecutionResource vtpExecutionResource1=mock(VTPExecutionResource.class);
-//        List<String> list= new ArrayList<>();
-//         list.add("abc");
-//       Result result= Result.getDefaultInstance();
-//
-//    when(vtpExecutionResource1.makeRpc(list)).thenReturn(result);
-//     verify(vtpExecutionResource1).makeRpc(list);
-//
-//    }
+
+    @Test
+    public void whenListTestExecutionsHandlerIsCalledWithProperParametersThenCorrectExecutionDataIsReturned()
+        throws IOException, VTPError.VTPException {
+        // given
+        String testStartTime = "2019-03-12T11:49:52.845";
+        String testEndTime = "2020-03-12T11:49:52.845";
+        String testProduct = "VTP Scenario 1";
+        String testCommand = "s1.ts1.testcase-1";
+        String testSuiteName = "testsuite-1";
+        String testRequestId = "test-01-request-id";
+        String testExecutionId = testRequestId + "-execution-id";
+        String testProfile = "open-cli-schema";
+        String expectedStatus = "SUCCESS";
+        JsonElement expectedResult = new Gson().fromJson("" +
+            "[{" +
+            "\"test_1\": \"error01\"," +
+            "\"test_2\": \"error02\" " +
+            "}]", JsonArray.class);
+
+        prepareMockRpcMethods(
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus
+        );
+
+        // when
+        VTPTestExecution.VTPTestExecutionList testExecutionResponse =
+            vtpExecutionResource.listTestExecutionsHandler(
+                testRequestId, testProduct, testSuiteName, testCommand, testProfile, testStartTime, testEndTime
+            );
+
+        // then
+        assertThatListOfExecutionsContainsOneCorrectExecutionResponse(
+            testExecutionResponse,
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus, expectedResult
+        );
+    }
+
+    @Test
+    public void whenListTestExecutionsHandlerIsCalledWithIdThatDoesNotMatchAnyExecutionFileThenResultContainsProperInformation()
+        throws IOException, VTPError.VTPException {
+        // given
+        String testStartTime = "2020-08-09T08:49:52.845";
+        String testEndTime = "2020-08-10T08:49:55.845";
+        String testProduct = "VTP Scenario 2";
+        String testCommand = "s1.ts1.testcase-2";
+        String testSuiteName = "testsuite-2";
+        String testRequestId = "test-02-request-id";
+        String testExecutionId = testRequestId + "-execution-id";
+        String testProfile = "open-cli-schema";
+        String expectedStatus = "FAIL";
+        JsonElement expectedResult = new Gson().fromJson("" +
+            "[{ \"error\": \"unable to find execution results\"}]", JsonArray.class);
+
+        prepareMockRpcMethods(
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus
+        );
+
+        // when
+        VTPTestExecution.VTPTestExecutionList testExecutionResponse =
+            vtpExecutionResource.listTestExecutionsHandler(
+                testRequestId, testProduct, testSuiteName, testCommand, testProfile, testStartTime, testEndTime
+            );
+
+        // then
+        assertThatListOfExecutionsContainsOneCorrectExecutionResponse(
+            testExecutionResponse,
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus, expectedResult
+        );
+    }
+
+    @Test
+    public void whenListTestExecutionsHandlerIsCalledWithIdThatMatchIncorrectExecutionFileThenResultContainsProperInformation()
+        throws IOException, VTPError.VTPException {
+        // given
+        String testStartTime = "2020-08-09T08:49:52.845";
+        String testEndTime = "2020-08-10T08:49:55.845";
+        String testProduct = "VTP Scenario 3";
+        String testCommand = "s1.ts1.testcase-3";
+        String testSuiteName = "testsuite-3";
+        String testRequestId = "test-incorrect-request-id";
+        String testExecutionId = testRequestId + "-execution-id";
+        String testProfile = "open-cli-schema";
+        String expectedStatus = "FAIL";
+        JsonElement expectedResult = new Gson().fromJson("" +
+                "[{ " +
+                "\"error\": \"fail to load execution result\"," +
+                "\"reason\":\"Expected a com.google.gson.JsonArray but was com.google.gson.JsonPrimitive\"" +
+                "}]",
+            JsonArray.class
+        );
+
+        prepareMockRpcMethods(
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus
+        );
+
+        // when
+        VTPTestExecution.VTPTestExecutionList testExecutionResponse =
+            vtpExecutionResource.listTestExecutionsHandler(
+                testRequestId, testProduct, testSuiteName, testCommand, testProfile, testStartTime, testEndTime
+            );
+
+        // then
+        assertThatListOfExecutionsContainsOneCorrectExecutionResponse(
+            testExecutionResponse,
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus, expectedResult
+        );
+    }
+
+    @Rule
+    public ExpectedException exceptionRule = ExpectedException.none();
+
+    @Test
+    public void whenListTestExecutionsHandlerIsCalledAndGRpcClientIsUnReachableThenExceptionShouldBeThrown()
+        throws IOException, VTPError.VTPException {
+        // given
+        String testStartTime = "2020-08-10T08:50:20.845";
+        String testEndTime = "2020-08-11T08:51:50.845";
+        String testProduct = "VTP Scenario 3";
+        String testCommand = "s1.ts1.testcase-3";
+        String testSuiteName = "testsuite-3";
+        String testRequestId = "test-03-request-id";
+        String testProfile = "open-cli-schema";
+
+        // when
+        exceptionRule.expect(VTPError.VTPException.class);
+        exceptionRule.expectMessage("Timed out. Please use request-id to track the progress.");
+        vtpExecutionResource.listTestExecutionsHandler(
+            testRequestId, testProduct, testSuiteName, testCommand, testProfile, testStartTime, testEndTime
+        );
+
+    }
+
+    private void assertThatListOfExecutionsContainsOneCorrectExecutionResponse(
+        VTPTestExecution.VTPTestExecutionList testExecutionResponse,
+        String testStartTime, String testEndTime, String testProduct, String testCommand,
+        String testSuiteName, String testRequestId, String testExecutionId, String testProfile,
+        String expectedStatus, JsonElement expectedResult ) {
+
+        assertNotNull(testExecutionResponse);
+        assertEquals(1, testExecutionResponse.getExecutions().size());
+        VTPTestExecution vtpTestExecution = testExecutionResponse.getExecutions().get(0);
+        assertFieldsInExecutionResponseAreCorrect(
+            vtpTestExecution,
+            testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
+            testRequestId, testExecutionId, testProfile, expectedStatus, expectedResult
+        );
+    }
+
+    private void prepareMockRpcMethods(String testStartTime, String testEndTime, String testProduct, String testCommand, String testSuiteName, String testRequestId, String testExecutionId, String testProfile, String expectedStatus) {
+        vtpExecutionResource.expectedArguments =
+            buildListOfMockRpcArguments(
+                testStartTime, testEndTime, testProduct, testCommand, testRequestId, testSuiteName
+            );
+        vtpExecutionResource.expectedRpcResponse =
+            buildExpectedRpcResponse(
+                testStartTime, testEndTime, testProduct, testCommand, testSuiteName, testRequestId,
+                testExecutionId, testProfile, expectedStatus
+            );
+    }
+
+    private JsonArray buildExpectedRpcResponse(
+        String testStartTime, String testEndTime, String testProduct,
+        String testCommand, String testSuiteName, String testRequestId,
+        String testExecutionId, String testProfile, String expectedStatus) {
+        return new Gson().fromJson("[{" +
+            "\"start-time\":\"" + testStartTime + "\";" +
+            "\"end-time\":\"" + testEndTime + "\";" +
+            "\"product\":\"" + testProduct + "\";" +
+            "\"command\":\"" + testCommand + "\";" +
+            "\"service\":\"" + testSuiteName + "\";" +
+            "\"request-id\":\"" + testRequestId + "\";" +
+            "\"execution-id\":\"" + testExecutionId + "\";" +
+            "\"profile\":\"" + testProfile + "\";" +
+            "\"status\":\"" + expectedStatus + "\"" +
+            "}]", JsonArray.class);
+    }
+
+    private List<String> buildListOfMockRpcArguments(
+        String testStartTime, String testEndTime, String testProduct,
+        String testCommand, String testRequestId, String testSuiteName) {
+        return Lists.newArrayList(
+            "--product", "open-cli", "execution-list", "--format", "json",
+            "--start-time", testStartTime, "--end-time", testEndTime,
+            "--service", testSuiteName, "--product", testProduct,
+            "--command", testCommand, "--request-id", testRequestId);
+    }
+
+    private void assertFieldsInExecutionResponseAreCorrect(
+        VTPTestExecution vtpTestExecution,
+        String testStartTime, String testEndTime, String testProduct,
+        String testCommand, String testSuiteName, String testRequestId,
+        String testExecutionId, String testProfile, String expectedStatus, JsonElement expectedResult) {
+        assertEquals(testStartTime, vtpTestExecution.getStartTime());
+        assertEquals(testEndTime, vtpTestExecution.getEndTime());
+        assertEquals(testProduct, vtpTestExecution.getScenario());
+        assertEquals(testCommand, vtpTestExecution.getTestCaseName());
+        assertEquals(testSuiteName, vtpTestExecution.getTestSuiteName());
+        assertEquals(testExecutionId, vtpTestExecution.getExecutionId());
+        assertEquals(testRequestId, vtpTestExecution.getRequestId());
+        assertEquals(testProfile, vtpTestExecution.getProfile());
+        assertEquals(expectedStatus, vtpTestExecution.getStatus());
+        assertEquals(expectedResult, vtpTestExecution.getResults());
+    }
 
     @Test(expected = Exception.class)
     public void testListTestExecutions() throws Exception
     {
-        vtpExecutionResource.listTestExecutions(requestId,"abc","abc","abc","abc","123","123");
+        vtpExecutionResource.listTestExecutions(requestId, "abc", "abc", "abc", "abc", "123", "123");
     }
     @Test(expected = Exception.class)
     public void testGetTestExecution() throws Exception
@@ -130,4 +350,4 @@ public class VTPExecutionResourceTest {
     public void testGetTestExecutionLogsHandler() throws Exception {
         assertNotNull(vtpExecutionResource.getTestExecutionLogsHandler("1234", "action"));
     }
-}
\ No newline at end of file
+}
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/execution/VTPExecutionResultsSupplierTest.java b/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/execution/VTPExecutionResultsSupplierTest.java
new file mode 100644
index 00000000..7be8a7d4
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/test/java/org/onap/vtp/execution/VTPExecutionResultsSupplierTest.java
@@ -0,0 +1,88 @@
+/**
+ * Copyright 2020 Nokia.
+ *
+ * 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.vtp.execution;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class VTPExecutionResultsSupplierTest {
+
+    private static final String TEST_PATH_TO_EXECUTION = "src/test/resources/executions";
+
+    @Test
+    public void whenGetExecutionOutputsFromFileIsCalledWithPathToCorrectFileThenContentShouldBeLoadedAsJson() {
+        // given
+        VTPExecutionResultsSupplier vtpExecutionResultsSupplier =
+            new VTPExecutionResultsSupplier(TEST_PATH_TO_EXECUTION);
+        String pathToCorrectFile = "test-01-request-id-execution-id";
+        JsonElement expectedResult = new Gson().fromJson("" +
+            "[{" +
+            "\"test_1\": \"error01\"," +
+            "\"test_2\": \"error02\" " +
+            "}]", JsonArray.class);
+
+        // when
+        JsonElement executionOutputsFromFile =
+            vtpExecutionResultsSupplier.getExecutionOutputsFromFile(pathToCorrectFile);
+
+        // then
+        assertEquals(executionOutputsFromFile, expectedResult);
+    }
+
+    @Test
+    public void whenGetExecutionOutputsFromFileIsCalledWithPathToNonExistingFileThenProperMessageShouldBeReturned() {
+        // given
+        VTPExecutionResultsSupplier vtpExecutionResultsSupplier =
+            new VTPExecutionResultsSupplier(TEST_PATH_TO_EXECUTION);
+        String pathToCorrectFile = "test-02-request-id-execution-id";
+        JsonElement expectedErrorMessage = new Gson().fromJson("" +
+            "[{ \"error\": \"unable to find execution results\"}]", JsonArray.class);
+
+        // when
+        JsonElement executionOutputsFromFile =
+            vtpExecutionResultsSupplier.getExecutionOutputsFromFile(pathToCorrectFile);
+
+        // then
+        assertEquals(executionOutputsFromFile, expectedErrorMessage);
+    }
+
+    @Test
+    public void whenGetExecutionOutputsFromFileIsCalledWithPathToIncorrectFileThenProperMessageShouldBeReturned() {
+        // given
+        VTPExecutionResultsSupplier vtpExecutionResultsSupplier =
+            new VTPExecutionResultsSupplier(TEST_PATH_TO_EXECUTION);
+        String pathToCorrectFile = "test-incorrect-request-id-execution-id-data";
+        JsonElement expectedErrorMessage = new Gson().fromJson("" +
+            "[{ " +
+                "\"error\": \"fail to load execution result\"," +
+                "\"reason\":\"Expected a com.google.gson.JsonArray but was com.google.gson.JsonPrimitive\"" +
+                "}]",
+            JsonArray.class
+        );
+
+        // when
+        JsonElement executionOutputsFromFile =
+            vtpExecutionResultsSupplier.getExecutionOutputsFromFile(pathToCorrectFile);
+
+        // then
+        assertEquals(executionOutputsFromFile, expectedErrorMessage);
+    }
+}
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-01-request-id-execution-id-data/output b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-01-request-id-execution-id-data/output
new file mode 100644
index 00000000..e52c4f4e
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-01-request-id-execution-id-data/output
@@ -0,0 +1,6 @@
+[
+  {
+    "test_1": "error01",
+    "test_2": "error02"
+  }
+]
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-incorrect-request-id-execution-id-data/output b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-incorrect-request-id-execution-id-data/output
new file mode 100644
index 00000000..747c69b0
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-incorrect-request-id-execution-id-data/output
@@ -0,0 +1 @@
+wrong output, not a JSON