feat: add tests for refactor dry-run

packages/@aws-cdk-testing/cli-integ/lib/with-cdk-app.ts

@@ -370,6 +370,13 @@ export class TestFixture extends ShellHelper {
     ], options);
   }
 
+  public async cdkRefactor(options: CdkCliOptions = {}) {
+    return this.cdk([
+      'refactor',
+      ...(options.options ?? []),
+    ], options);
+  }
+
   public async cdkDestroy(stackNames: string | string[], options: CdkDestroyCliOptions = {}) {
     stackNames = typeof stackNames === 'string' ? [stackNames] : stackNames;
 

packages/@aws-cdk-testing/cli-integ/resources/cdk-apps/refactoring/cdk.json

@@ -0,0 +1,7 @@
+{
+  "app": "node refactoring.js",
+  "versionReporting": false,
+  "context": {
+    "aws-cdk:enableDiffNoFail": "true"
+  }
+}

packages/@aws-cdk-testing/cli-integ/resources/cdk-apps/refactoring/refactoring.js

@@ -0,0 +1,18 @@
+const cdk = require('aws-cdk-lib');
+const sqs = require('aws-cdk-lib/aws-sqs');
+
+class BasicStack extends cdk.Stack {
+  constructor(parent, id, props) {
+    super(parent, id, props);
+    new sqs.Queue(this, props.queueName);
+  }
+}
+
+const stackPrefix = process.env.STACK_NAME_PREFIX;
+const app = new cdk.App();
+
+new BasicStack(app, `${stackPrefix}-basic`, {
+    queueName: process.env.BASIC_QUEUE_LOGICAL_ID ?? 'BasicQueue',
+});
+
+app.synth();

packages/@aws-cdk-testing/cli-integ/tests/cli-integ-tests/cdk-refactor-dry-run.integtest.ts

@@ -0,0 +1,54 @@
+import { integTest, withSpecificFixture } from '../../lib';
+
+integTest(
+  'detects refactoring changes and prints the result',
+  withSpecificFixture('refactoring', async (fixture) => {
+    // First, deploy a stack
+    await fixture.cdkDeploy('basic', {
+      modEnv: {
+        BASIC_QUEUE_LOGICAL_ID: 'OldName'
+      }
+    });
+
+    // Then see if the refactoring tool detects the change
+    const stdErr = await fixture.cdkRefactor({
+      options: ['--dry-run', '--unstable=refactor'],
+      allowErrExit: true,
+      // Making sure the synthesized stack has the new name
+      // so that a refactor is detected
+      modEnv: {
+        BASIC_QUEUE_LOGICAL_ID: 'NewName'
+      }
+    });
+
+    expect(stdErr).toContain('The following resources were moved or renamed:');
+    expect(removeColor(stdErr)).toMatch(/│ AWS::SQS::Queue │ .*\/OldName\/Resource │ .*\/NewName\/Resource │/);
+  }),
+);
+
+integTest(
+  'no refactoring changes detected',
+  withSpecificFixture('refactoring', async (fixture) => {
+    const modEnv = {
+      BASIC_QUEUE_LOGICAL_ID: 'OldName'
+    };
+
+    // First, deploy a stack
+    await fixture.cdkDeploy('basic', { modEnv });
+
+    // Then see if the refactoring tool detects the change
+    const stdErr = await fixture.cdkRefactor({
+      options: ['--dry-run', '--unstable=refactor'],
+      allowErrExit: true,
+      modEnv,
+    });
+
+    expect(stdErr).toContain('Nothing to refactor');
+  }),
+);
+
+function removeColor(str: string): string {
+  return str.replace(/\x1B[[(?);]{0,2}(;?\d)*./g, '');
+}
+
+