Test cases added

src/services/packageService.test.ts

@@ -16,7 +16,9 @@ describe("Package Service", () => {
     sls.config.servicePath = process.cwd();
     sls.service["functions"] = {
       hello: MockFactory.createTestAzureFunctionConfig(functionRoute),
+      eventhubHandler: MockFactory.createTestEventHubFunctionConfig(),
     }
+
     packageService = new PackageService(sls, MockFactory.createTestServerlessOptions());
   });
 
@@ -119,6 +121,47 @@ describe("Package Service", () => {
     writeFileSpy.mockRestore();
   });
 
+  it("Creates Event Hub Handler bindings and function.json ", async () => {
+    const functionName = "eventhubHandler";
+    const functionMetadata: FunctionMetadata = {
+      entryPoint: "handler",
+      handlerPath: "src/handlers/eventhubHandler",
+      params: {
+        functionsJson: {
+          bindings: [
+            MockFactory.createTestEventHubBinding("in"),
+          ]
+        }
+      },
+    };
+
+    const expectedFolderPath = path.join(sls.config.servicePath, functionName);
+    const expectedFilePath = path.join(expectedFolderPath, "function.json");
+    const expectedFunctionJson = {
+      entryPoint: "handler",
+      scriptFile: "src/handlers/eventhubHandler",
+      bindings: [
+        MockFactory.createTestEventHubBinding("in"),
+      ]
+
+    }
+
+    mockFs({});
+
+    const mkdirSpy = jest.spyOn(fs, "mkdirSync");
+    const writeFileSpy = jest.spyOn(fs, "writeFileSync");
+
+    await packageService.createBinding(functionName, functionMetadata);
+
+    expect(mkdirSpy).toBeCalledWith(expectedFolderPath);
+    const call = writeFileSpy.mock.calls[0];
+    expect(call[0]).toEqual(expectedFilePath);
+    expect(JSON.parse(call[1])).toEqual(expectedFunctionJson);
+
+    mkdirSpy.mockRestore();
+    writeFileSpy.mockRestore();
+  });
+
   it("createBinding does not need to create directory if function folder already exists", async () => {
     const functionName = "hello";
     const functionMetadata: FunctionMetadata = {

src/test/mockFactory.ts

@@ -410,6 +410,18 @@ export class MockFactory {
     }
   }
 
+  public static createTestEventHubFunctionConfig(): ServerlessAzureFunctionConfig {
+    return {
+      events: [
+        {
+          http: true,
+          "x-azure-settings": MockFactory.createTestEventHubBinding("in"),
+        }
+      ],
+      handler: "handler.js",
+    }
+  }
+
   public static createTestBinding() {
     // Only supporting HTTP for now, could support others
     return MockFactory.createTestHttpBinding();
@@ -433,6 +445,16 @@ export class MockFactory {
     }
   }
 
+  public static createTestEventHubBinding(direction: string = "in") {
+    return {
+      event: "eventHubTrigger",
+      direction,
+      name: "item",
+      eventhubname: "hello",
+      consumerGroup: "$Default",
+      connection: "EventHubsConnection"        
+    }
+  }
   public static createTestBindingsObject(name: string = "index.js") {
     return {
       scriptFile: name,