Fix get executions JSON parsing error.

Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com>
Change-Id: I1ee1c070cc0c97eebfad5cdb5e737d8136631cbf
Issue-ID: VNFSDK-697

5 files changed, 53 insertions, 22 deletions

diff --git a/Changelog.md b/Changelog.md
index 698057f3..14147cc7 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -11,3 +11,7 @@ All notable changes to this project will be documented in this file.
     - https://jira.onap.org/browse/VNFSDK-650
 
 ## [1.6.1]
+
+### Fix
+- Fix JSON parsing error returned from GET request
+  - https://jira.onap.org/browse/VNFSDK-697 
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
index 3f1e4c57..e2d43f14 100644
--- 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
@@ -19,6 +19,7 @@ package org.onap.vtp.execution;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import com.google.gson.JsonParseException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -65,21 +66,21 @@ public class VTPExecutionResultsSupplier {
             .orElse(createNoOutputFileErrorMessageInJsonFormat());
     }
 
-    private JsonArray loadOutputJsonFromFile(File file) {
-        JsonArray outputJson;
+    private JsonElement loadOutputJsonFromFile(File file) {
+        JsonElement outputJson;
         try {
             String executionResult = Files.readString(file.toPath());
-            outputJson = gson.fromJson(executionResult, JsonArray.class);
+            outputJson = gson.fromJson(executionResult, JsonElement.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);
+                "{ \"error\": \"fail to load execution result\",\"reason\":\"" + e.getMessage() + "\"}";
+            outputJson = gson.fromJson(errorMessage, JsonObject.class);
         }
         return outputJson;
     }
 
-    private JsonArray createNoOutputFileErrorMessageInJsonFormat() {
-        return gson.fromJson("[{ \"error\": \"unable to find execution results\"}]", JsonArray.class);
+    private JsonElement createNoOutputFileErrorMessageInJsonFormat() {
+        return gson.fromJson("{ \"error\": \"unable to find execution results\"}", JsonObject.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 1a3200ab..4f15fcf5 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
@@ -20,6 +20,7 @@ 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.JsonObject;
 import com.google.gson.JsonParser;
 import org.glassfish.jersey.media.multipart.ContentDisposition;
 import org.glassfish.jersey.media.multipart.FormDataBodyPart;
@@ -153,12 +154,12 @@ public class VTPExecutionResourceTest {
         String testProduct = "VTP Scenario 2";
         String testCommand = "s1.ts1.testcase-2";
         String testSuiteName = "testsuite-2";
-        String testRequestId = "test-02-request-id";
+        String testRequestId = "test-wrong-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);
+            "{ \"error\": \"unable to find execution results\"}", JsonObject.class);
 
         prepareMockRpcMethods(
             testStartTime, testEndTime, testProduct, testCommand, testSuiteName,
@@ -193,11 +194,11 @@ public class VTPExecutionResourceTest {
         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
+                "\"reason\":\"com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 8 path $\"" +
+                "}",
+            JsonObject.class
         );
 
         prepareMockRpcMethods(
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
index 7be8a7d4..83ee1739 100644
--- 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
@@ -19,6 +19,7 @@ package org.onap.vtp.execution;
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
@@ -28,7 +29,7 @@ public class VTPExecutionResultsSupplierTest {
     private static final String TEST_PATH_TO_EXECUTION = "src/test/resources/executions";
 
     @Test
-    public void whenGetExecutionOutputsFromFileIsCalledWithPathToCorrectFileThenContentShouldBeLoadedAsJson() {
+    public void whenGetExecutionOutputsFromFileIsCalledWithPathToCorrectFileThenContentShouldBeLoadedAsJsonArray() {
         // given
         VTPExecutionResultsSupplier vtpExecutionResultsSupplier =
             new VTPExecutionResultsSupplier(TEST_PATH_TO_EXECUTION);
@@ -48,20 +49,40 @@ public class VTPExecutionResultsSupplierTest {
     }
 
     @Test
-    public void whenGetExecutionOutputsFromFileIsCalledWithPathToNonExistingFileThenProperMessageShouldBeReturned() {
+    public void whenGetExecutionOutputsFromFileIsCalledWithPathToCorrectFileThenContentShouldBeLoadedAsJsonObject() {
         // given
         VTPExecutionResultsSupplier vtpExecutionResultsSupplier =
             new VTPExecutionResultsSupplier(TEST_PATH_TO_EXECUTION);
         String pathToCorrectFile = "test-02-request-id-execution-id";
+        JsonElement expectedResult = new Gson().fromJson("" +
+            "{" +
+            "\"test_1\": \"error01\"," +
+            "\"test_2\": \"error02\" " +
+            "}", JsonObject.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-wrong-request-id-execution-id";
         JsonElement expectedErrorMessage = new Gson().fromJson("" +
-            "[{ \"error\": \"unable to find execution results\"}]", JsonArray.class);
+            "{ \"error\": \"unable to find execution results\"}", JsonObject.class);
 
         // when
         JsonElement executionOutputsFromFile =
             vtpExecutionResultsSupplier.getExecutionOutputsFromFile(pathToCorrectFile);
 
         // then
-        assertEquals(executionOutputsFromFile, expectedErrorMessage);
+        assertEquals(expectedErrorMessage, executionOutputsFromFile);
     }
 
     @Test
@@ -71,11 +92,11 @@ public class VTPExecutionResultsSupplierTest {
             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
+                "\"reason\":\"com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 8 path $\"" +
+                "}",
+            JsonObject.class
         );
 
         // when
@@ -83,6 +104,6 @@ public class VTPExecutionResultsSupplierTest {
             vtpExecutionResultsSupplier.getExecutionOutputsFromFile(pathToCorrectFile);
 
         // then
-        assertEquals(executionOutputsFromFile, expectedErrorMessage);
+        assertEquals(expectedErrorMessage, executionOutputsFromFile);
     }
 }
diff --git a/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-02-request-id-execution-id-data/output b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-02-request-id-execution-id-data/output
new file mode 100644
index 00000000..a0ba3e91
--- /dev/null
+++ b/vnfmarket-be/vnf-sdk-marketplace/src/test/resources/executions/test-02-request-id-execution-id-data/output
@@ -0,0 +1,4 @@
+{
+  "test_1": "error01",
+  "test_2": "error02"
+}