Add test case for CORS Policy generation from APKConf

runtime/config-deployer-service/ballerina/tests/APIClientTest.bal

@@ -1,5 +1,7 @@
 import ballerina/test;
+import config_deployer_service.model;
 import config_deployer_service.org.wso2.apk.config.model as runtimeModels;
+import ballerina/io;
 
 @test:Config {dataProvider: APIToAPKConfDataProvider}
 public isolated function testFromAPIModelToAPKConf(runtimeModels:API api, APKConf expected) returns error? {
@@ -8,6 +10,33 @@ public isolated function testFromAPIModelToAPKConf(runtimeModels:API api, APKCon
     test:assertEquals(apkConf, expected, "APKConf is not equal to expected APKConf");
 }
 
+@test:Config {}
+public isolated function testCORSPolicyGenerationFromAPKConf() returns error? {
+
+    GenerateK8sResourcesBody body = {};
+    body.apkConfiguration = {fileName: "API_CORS.apk-conf", fileContent: check io:fileReadBytes("./tests/resources/API_CORS.apk-conf")};
+    body.definitionFile = {fileName: "api_cors.yaml", fileContent: check io:fileReadBytes("./tests/resources/api_cors.yaml")};
+    body.apiType = "REST";
+    APIClient apiClient = new;
+
+    model:APIArtifact apiArtifact = check apiClient.prepareArtifact(body.apkConfiguration, body.definitionFile);
+
+    model:CORSPolicy? corsPolicySpecExpected = {
+        enabled: true,
+        accessControlAllowCredentials: true,
+        accessControlAllowOrigins: ["wso2.com"],
+        accessControlAllowHeaders: ["Content-Type","Authorization"],
+        accessControlAllowMethods: ["GET"]
+    };
+
+    foreach model:APIPolicy apiPolicy in apiArtifact.apiPolicies {
+        model:APIPolicyData? policyData = apiPolicy.spec.default;
+        if (policyData is model:APIPolicyData) {
+            test:assertEquals(policyData.cORSPolicy, corsPolicySpecExpected, "CORS Policy is not equal to expected CORS Policy");
+        }
+    }
+}
+
 public function APIToAPKConfDataProvider() returns map<[runtimeModels:API, APKConf]>|error {
     runtimeModels:API api = runtimeModels:newAPI1();
     api.setName("testAPI");

runtime/config-deployer-service/ballerina/tests/resources/API_CORS.apk-conf

@@ -0,0 +1,29 @@
+---
+organization: "wso2"
+name: "test-cors"
+context: "/test_cors"
+version: "2.0.0"
+type: "REST"
+endpointConfigurations:
+    production:
+        endpoint: "https://httpbin.org"
+operations:
+    - target: "/anything"
+      verb: "GET"
+      authTypeEnabled: true
+      scopes: []
+vhosts:
+  production: ["gw.am.wso2.com"]
+  sandbox: []
+corsConfiguration:
+  corsConfigurationEnabled: true
+  accessControlAllowOrigins:
+    - "wso2.com"
+  accessControlAllowCredentials: true
+  accessControlAllowHeaders:
+    - "Content-Type"
+    - "Authorization"
+  accessControlAllowMethods:
+    - "GET"
+  accessControlAllowMaxAge: 3600
+

runtime/config-deployer-service/ballerina/tests/resources/api_cors.yaml

@@ -0,0 +1,27 @@
+openapi: 3.0.1
+info:
+  title: test-cors
+  description: 'A simple HTTP Request & Response Service.<br/> <br/> <b>Run locally:
+    </b> <code>$ docker run -p 80:80 kennethreitz/httpbin</code>'
+  contact:
+    url: https://kennethreitz.org
+    email: [email protected]
+  version: 2.0.0
+servers:
+- url: https://httpbin.org
+tags:
+- name: HTTP Methods
+  description: Testing different HTTP verbs
+- name: Auth
+  description: Auth methods
+paths:
+  /anything:
+    get:
+      tags:
+      - Anything
+      summary: Returns anything passed in request data.
+      responses:
+        200:
+          description: Anything passed in request
+          content: {}
+components: {}