@aws-cdk-testing/cli-integ/tests/cli-integ-tests/cdk-generating-and-loading-assembly.integtest.ts

Integration tests for the AWS CDK CLI

import { promises as fs } from 'fs';
import * as os from 'os';
import * as path from 'path';
import { integTest, withDefaultFixture } from '../../lib';

jest.setTimeout(2 * 60 * 60_000); // Includes the time to acquire locks, worst-case single-threaded runtime

integTest(
  'generating and loading assembly',
  withDefaultFixture(async (fixture) => {
    const asmOutputDir = `${fixture.integTestDir}-cdk-integ-asm`;
    await fixture.shell(['rm', '-rf', asmOutputDir]);

    // Synthesize a Cloud Assembly tothe default directory (cdk.out) and a specific directory.
    await fixture.cdk(['synth']);
    await fixture.cdk(['synth', '--output', asmOutputDir]);

    // cdk.out in the current directory and the indicated --output should be the same
    await fixture.shell(['diff', 'cdk.out', asmOutputDir]);

    // Check that we can 'ls' the synthesized asm.
    // Change to some random directory to make sure we're not accidentally loading cdk.json
    const list = await fixture.cdk(['--app', asmOutputDir, 'ls'], { cwd: os.tmpdir() });
    // Same stacks we know are in the app
    expect(list).toContain(`${fixture.stackNamePrefix}-lambda`);
    expect(list).toContain(`${fixture.stackNamePrefix}-test-1`);
    expect(list).toContain(`${fixture.stackNamePrefix}-test-2`);

    // Check that we can use '.' and just synth ,the generated asm
    const stackTemplate = await fixture.cdk(['--app', '.', 'synth', fixture.fullStackName('test-2')], {
      cwd: asmOutputDir,
    });
    expect(stackTemplate).toContain('topic152D84A37');

    // Deploy a Lambda from the copied asm
    await fixture.cdkDeploy('lambda', { options: ['-a', '.'], cwd: asmOutputDir });

    // Remove (rename) the original custom docker file that was used during synth.
    // this verifies that the assemly has a copy of it and that the manifest uses
    // relative paths to reference to it.
    const customDockerFile = path.join(fixture.integTestDir, 'docker', 'Dockerfile.Custom');
    await fs.rename(customDockerFile, `${customDockerFile}~`);
    try {
      // deploy a docker image with custom file without synth (uses assets)
      await fixture.cdkDeploy('docker-with-custom-file', { options: ['-a', '.'], cwd: asmOutputDir });
    } finally {
      // Rename back to restore fixture to original state
      await fs.rename(`${customDockerFile}~`, customDockerFile);
    }
  }),
);