chore: add Amplify integration tests (#31921)

Test integration with the Amplify client, that uses CDK under the hood.

Creates a new project, deploys it, and then deletes it again.

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: rix0rrr

packages/@aws-cdk-testing/cli-integ/lib/package-sources/release-source.ts

@@ -60,6 +60,10 @@ export class ReleasePackageSource implements IPackageSource {
     return this.version.split('.')[0] as string;
   }
 
+  public requestedCliVersion() {
+    return this.version;
+  }
+
   public requestedFrameworkVersion() {
     return process.env.FRAMEWORK_VERSION!;
   }

packages/@aws-cdk-testing/cli-integ/lib/package-sources/repo-source.ts

@@ -49,6 +49,10 @@ export class RepoPackageSource implements IPackageSource {
     return releaseJson.majorVersion;
   }
 
+  public requestedCliVersion(): string {
+    return '*';
+  }
+
   public requestedFrameworkVersion(): string {
     return '*';
   }

packages/@aws-cdk-testing/cli-integ/lib/package-sources/source.ts

@@ -14,6 +14,11 @@ export interface IPackageSource {
 
   initializeDotnetPackages(targetDir: string): Promise<void>;
 
+  /**
+   * CLI version
+   */
+  requestedCliVersion(): string;
+
   /**
    * Framework version if it's different than the CLI version
    *

packages/@aws-cdk-testing/cli-integ/tests/tool-integrations/amplify.integtest.ts

@@ -0,0 +1,27 @@
+import { promises as fs } from 'fs';
+import * as path from 'path';
+import { integTest, withTemporaryDirectory, ShellHelper, withPackages, TemporaryDirectoryContext } from '../../lib';
+
+const TIMEOUT = 1800_000;
+
+integTest('amplify integration', withTemporaryDirectory(withPackages(async (context) => {
+  const shell = ShellHelper.fromContext(context);
+
+  await shell.shell(['npm', 'create', '-y', 'amplify@latest']);
+  await shell.shell(['npx', 'ampx', 'configure', 'telemetry', 'disable']);
+
+  // This will create 'package.json' implicating a certain version of the CDK
+  await updateCdkDependency(context, context.packages.requestedCliVersion(), context.packages.requestedFrameworkVersion());
+  await shell.shell(['npm', 'install']);
+
+  await shell.shell(['npx', 'ampx', 'sandbox', '--once']);
+  await shell.shell(['npx', 'ampx', 'sandbox', 'delete', '--yes']);
+})), TIMEOUT);
+
+async function updateCdkDependency(context: TemporaryDirectoryContext, cliVersion: string, libVersion: string) {
+  const filename = path.join(context.integTestDir, 'package.json');
+  const pj = JSON.parse(await fs.readFile(filename, { encoding: 'utf-8' }));
+  pj.devDependencies['aws-cdk'] = cliVersion;
+  pj.devDependencies['aws-cdk-lib'] = libVersion;
+  await fs.writeFile(filename, JSON.stringify(pj, undefined, 2), { encoding: 'utf-8' });
+}