@aws-cdk-testing/cli-integ/tests/cli-integ-tests/cdk-migrate/testcase.ts

Integration tests for the AWS CDK CLI

import { promises as fs } from 'fs';
import * as path from 'path';
import { CreateStackCommand, DescribeStacksCommand } from "@aws-sdk/client-cloudformation";
import { sleep, TestFixture } from "../../../lib";

export async function deploysSuccessfully(fixture: TestFixture, language: string) {
  if (language === 'python') {
    await fixture.shell(['pip', 'install', '-r', 'requirements.txt']);
  }

  const stackArn = await fixture.cdkDeploy(
    fixture.stackNamePrefix,
    { neverRequireApproval: true, verbose: true, captureStderr: false },
    true,
  );
  const response = await fixture.aws.cloudFormation.send(
    new DescribeStacksCommand({
      StackName: stackArn,
    }),
  );

  expect(response.Stacks?.[0].StackStatus).toEqual('CREATE_COMPLETE');
  await fixture.cdkDestroy(fixture.stackNamePrefix);
}

export async function fromStackCreatesDeployableApp(fixture: TestFixture, language: string) {

  const migrateStackName = fixture.fullStackName('migrate-stack');
  await fixture.aws.cloudFormation.send(
    new CreateStackCommand({
      StackName: migrateStackName,
      TemplateBody: await fs.readFile(
        path.join(__dirname, '..', '..', '..', 'resources', 'templates', 'sqs-template.json'),
        'utf8',
      ),
    }),
  );
  try {
    let stackStatus = 'CREATE_IN_PROGRESS';
    while (stackStatus === 'CREATE_IN_PROGRESS') {
      stackStatus = await (
        await fixture.aws.cloudFormation.send(new DescribeStacksCommand({ StackName: migrateStackName }))
      ).Stacks?.[0].StackStatus!;
      await sleep(1000);
    }
    await fixture.cdk(['migrate', '--language', language, '--stack-name', migrateStackName, '--from-stack'], {
      modEnv: { MIGRATE_INTEG_TEST: '1' },
      neverRequireApproval: true,
      verbose: true,
      captureStderr: false,
    });
    await fixture.shell(['cd', path.join(fixture.integTestDir, migrateStackName)]);
    await fixture.cdk(['deploy', migrateStackName], {
      neverRequireApproval: true,
      verbose: true,
      captureStderr: false,
    });
    const response = await fixture.aws.cloudFormation.send(
      new DescribeStacksCommand({
        StackName: migrateStackName,
      }),
    );

    expect(response.Stacks?.[0].StackStatus).toEqual('UPDATE_COMPLETE');
  } finally {
    await fixture.cdkDestroy('migrate-stack');
  }

}