Added test for RewindInstanceHttpAPI and addressed review comments

Author: shreyas-gopalakrishna

samples-azure-functions/src/main/java/com/functions/RewindInstance.java

@@ -1,9 +1,6 @@
 package com.functions;
 
-import com.microsoft.azure.functions.ExecutionContext;
-import com.microsoft.azure.functions.HttpMethod;
-import com.microsoft.azure.functions.HttpRequestMessage;
-import com.microsoft.azure.functions.HttpResponseMessage;
+import com.microsoft.azure.functions.*;
 import com.microsoft.azure.functions.annotation.AuthorizationLevel;
 import com.microsoft.azure.functions.annotation.FunctionName;
 import com.microsoft.azure.functions.annotation.HttpTrigger;
@@ -82,4 +79,17 @@ public String rewindInstance(
         client.rewindInstance(instanceId, reason);
         return "Failed orchestration instance is scheduled for rewind.";
     }
+
+    /**
+     * This HTTP-triggered function resets the approvalFlag variable for testing purposes.
+     */
+    @FunctionName("ResetApproval")
+    public static HttpResponseMessage resetApproval(
+            @HttpTrigger(name = "req", methods = {HttpMethod.GET, HttpMethod.POST}, authLevel = AuthorizationLevel.ANONYMOUS)
+            HttpRequestMessage<Optional<String>> request,
+            final ExecutionContext context) {
+        context.getLogger().info("ResetApproval function invoked.");
+        approvalFlag = 0;
+        return request.createResponseBuilder(HttpStatus.OK).body(approvalFlag).build();
+    }
 }

samples-azure-functions/src/test/java/com/functions/EndToEndTests.java

@@ -12,63 +12,101 @@
 
 @Tag("e2e")
 public class EndToEndTests {
-    private static final String hostHealthPingPath = "/admin/host/ping";
-    private static final String startOrchestrationPath = "/api/StartOrchestration";
-    private static final String approvalWorkFlow = "/api/ApprovalWorkflowOrchestration";
-    private static final String rewindInstance = "/api/RewindInstance";
+    private static final String hostHealthPingUrl = "/admin/host/ping";
+    private static final String startOrchestrationUrl = "/api/StartOrchestration";
+    private static final String startApprovalWorkflowUrl = "/api/ApprovalWorkflowOrchestration";
+    private static final String rewindInstanceFunctionUrl = "/api/RewindInstance";
+    private static final String resetApprovalUrl = "/api/ResetApprovalFlag";
 
     @Order(1)
     @Test
     public void setupHost() {
-        post(hostHealthPingPath).then().statusCode(200);
+        post(hostHealthPingUrl).then().statusCode(200);
     }
 
     @Test
     public void basicChain() throws InterruptedException {
-        Response response = post(startOrchestrationPath);
-        JsonPath jsonPath = response.jsonPath();
-        String statusQueryGetUri = jsonPath.get("statusQueryGetUri");
-        String runTimeStatus = null;
+        Response response = post(startOrchestrationUrl);
+        JsonPath startOrchestrationResponseJson = response.jsonPath();
+        String statusQueryGetUri = startOrchestrationResponseJson.get("statusQueryGetUri");
+        String runtimeStatus = null;
         for (int i = 0; i < 15; i++) {
             Response statusResponse = get(statusQueryGetUri);
-            runTimeStatus = statusResponse.jsonPath().get("runtimeStatus");
-            if (!"Completed".equals(runTimeStatus)) {
+            runtimeStatus = statusResponse.jsonPath().get("runtimeStatus");
+            if (!"Completed".equals(runtimeStatus)) {
                 Thread.sleep(1000);
             } else break;
         }
-        assertEquals("Completed", runTimeStatus);
+        assertEquals("Completed", runtimeStatus);
     }
 
     @Order(2)
     @Test
-    public void testRewindInstanceAPI() throws InterruptedException {
-        Response response = post(approvalWorkFlow);
-        JsonPath rewindTestJsonPath = response.jsonPath();
+    public void testRewindInstanceJavaAPI() throws InterruptedException {
+        Response response = post(startApprovalWorkflowUrl);
+        JsonPath startOrchestrationResponseJson = response.jsonPath();
 
         // Wait for the ApprovalWorkflowOrchestration to fail
         Thread.sleep(3000);
 
-        String instanceId = rewindTestJsonPath.get("id");
-        String statusQueryGetUri = rewindTestJsonPath.get("statusQueryGetUri");
+        String instanceId = startOrchestrationResponseJson.get("id");
+        String statusQueryGetUri = startOrchestrationResponseJson.get("statusQueryGetUri");
         Response statusResponse = get(statusQueryGetUri);
-        String runTimeStatus = statusResponse.jsonPath().get("runtimeStatus");
-        assertEquals("Failed", runTimeStatus);
+        String runtimeStatus = statusResponse.jsonPath().get("runtimeStatus");
+        assertEquals("Failed", runtimeStatus);
 
-        // Rewind the instance
-        String rewindPostUri = rewindInstance + "?instanceId=" + instanceId;
-        response = post(rewindPostUri);
+        // Rewind the instance using Java API
+        String rewindInstanceUrl = rewindInstanceFunctionUrl + "?instanceId=" + instanceId;
+        response = post(rewindInstanceUrl);
         assertEquals("Failed orchestration instance is scheduled for rewind.", response.toString());
 
         // Wait for orchestration to rewind and complete
         Thread.sleep(3000);
 
         for (int i = 0; i < 5; i++) {
             statusResponse = get(statusQueryGetUri);
-            runTimeStatus = statusResponse.jsonPath().get("runtimeStatus");
-            if (!"Completed".equals(runTimeStatus)) {
+            runtimeStatus = statusResponse.jsonPath().get("runtimeStatus");
+            if (!"Completed".equals(runtimeStatus)) {
                 Thread.sleep(1000);
             } else break;
         }
-        assertEquals("Completed", runTimeStatus);
+        assertEquals("Completed", runtimeStatus);
+
+        // Reset approval for other test cases
+        post(resetApprovalUrl);
+    }
+
+    @Order(3)
+    @Test
+    public void testRewindInstanceHttpAPI() throws InterruptedException {
+        Response response = post(startApprovalWorkflowUrl);
+        JsonPath startOrchestrationResponseJson = response.jsonPath();
+
+        // Wait for the ApprovalWorkflowOrchestration to fail
+        Thread.sleep(3000);
+
+        String statusQueryGetUri = startOrchestrationResponseJson.get("statusQueryGetUri");
+        Response statusResponse = get(statusQueryGetUri);
+        String runtimeStatus = statusResponse.jsonPath().get("runtimeStatus");
+        assertEquals("Failed", runtimeStatus);
+
+        // Rewind the instance using Http API
+        String rewindPostUri = startOrchestrationResponseJson.get("rewindPostUri");
+        post(rewindPostUri);
+
+        // Wait for orchestration to rewind and complete
+        Thread.sleep(3000);
+
+        for (int i = 0; i < 5; i++) {
+            statusResponse = get(statusQueryGetUri);
+            runtimeStatus = statusResponse.jsonPath().get("runtimeStatus");
+            if (!"Completed".equals(runtimeStatus)) {
+                Thread.sleep(1000);
+            } else break;
+        }
+        assertEquals("Completed", runtimeStatus);
+
+        // Reset approval for other test cases
+        post(resetApprovalUrl);
     }
 }