buildx.test.ts

import * as fs from 'fs';
import * as path from 'path';
import * as semver from 'semver';
import * as exec from '@actions/exec';

import * as buildx from '../src/buildx';
import * as context from '../src/context';

const tmpNameSync = path.join('/tmp/.docker-build-push-jest', '.tmpname-jest').split(path.sep).join(path.posix.sep);
const digest = 'sha256:bfb45ab72e46908183546477a08f8867fc40cebadd00af54b071b097aed127a9';

jest.spyOn(context, 'tmpDir').mockImplementation((): string => {
  const tmpDir = path.join('/tmp/.docker-build-push-jest').split(path.sep).join(path.posix.sep);
  if (!fs.existsSync(tmpDir)) {
    fs.mkdirSync(tmpDir, {recursive: true});
  }
  return tmpDir;
});

jest.spyOn(context, 'tmpNameSync').mockImplementation((): string => {
  return tmpNameSync;
});

describe('getImageID', () => {
  it('matches', async () => {
    const imageIDFile = await buildx.getImageIDFile();
    console.log(`imageIDFile: ${imageIDFile}`);
    await fs.writeFileSync(imageIDFile, digest);
    const imageID = await buildx.getImageID();
    console.log(`imageID: ${imageID}`);
    expect(imageID).toEqual(digest);
  });
});

describe('isLocalOrTarExporter', () => {
  // prettier-ignore
  test.each([
    [
      [
        'type=registry,ref=user/app',
      ],
      false
    ],
    [
      [
        'type=docker',
      ],
      false
    ],
    [
      [
        'type=local,dest=./release-out'
      ],
      true
    ],
    [
      [
        'type=tar,dest=/tmp/image.tar'
      ],
      true
    ],
    [
      [
        'type=docker',
        'type=tar,dest=/tmp/image.tar'
      ],
      true
    ],
    [
      [
        '"type=tar","dest=/tmp/image.tar"'
      ],
      true
    ],
    [
      [
        '" type= local" , dest=./release-out'
      ],
      true
    ],
    [
      [
        '.'
      ],
      true
    ],
  ])(
    'given %p returns %p',
    async (outputs: Array<string>, expected: boolean) => {
      expect(buildx.isLocalOrTarExporter(outputs)).toEqual(expected);
    }
  );
});

describe('isAvailable', () => {
  const execSpy: jest.SpyInstance = jest.spyOn(exec, 'getExecOutput');
  buildx.isAvailable();

  expect(execSpy).toHaveBeenCalledWith(`docker`, ['buildx'], {
    silent: true,
    ignoreReturnCode: true
  });
});

describe('getVersion', () => {
  async function isDaemonRunning() {
    return await exec
      .getExecOutput(`docker`, ['version', '--format', '{{.Server.Os}}'], {
        ignoreReturnCode: true,
        silent: true
      })
      .then(res => {
        return !res.stdout.includes(' ') && res.exitCode == 0;
      });
  }
  (isDaemonRunning() ? it : it.skip)(
    'valid',
    async () => {
      const version = await buildx.getVersion();
      console.log(`version: ${version}`);
      expect(semver.valid(version)).not.toBeNull();
    },
    100000
  );
});

describe('parseVersion', () => {
  test.each([
    ['github.com/docker/buildx 0.4.1+azure bda4882a65349ca359216b135896bddc1d92461c', '0.4.1'],
    ['github.com/docker/buildx v0.4.1 bda4882a65349ca359216b135896bddc1d92461c', '0.4.1'],
    ['github.com/docker/buildx v0.4.2 fb7b670b764764dc4716df3eba07ffdae4cc47b2', '0.4.2']
  ])('given %p', async (stdout, expected) => {
    expect(await buildx.parseVersion(stdout)).toEqual(expected);
  });
});

describe('getSecret', () => {
  test.each([
    ['A_SECRET=abcdef0123456789', false, 'A_SECRET', 'abcdef0123456789', false],
    ['GIT_AUTH_TOKEN=abcdefghijklmno=0123456789', false, 'GIT_AUTH_TOKEN', 'abcdefghijklmno=0123456789', false],
    ['MY_KEY=c3RyaW5nLXdpdGgtZXF1YWxzCg==', false, 'MY_KEY', 'c3RyaW5nLXdpdGgtZXF1YWxzCg==', false],
    ['aaaaaaaa', false, '', '', true],
    ['aaaaaaaa=', false, '', '', true],
    ['=bbbbbbb', false, '', '', true],
    [
      `foo=${path.join(__dirname, 'fixtures', 'secret.txt').split(path.sep).join(path.posix.sep)}`,
      true,
      'foo',
      'bar',
      false
    ],
    [`notfound=secret`, true, '', '', true]
  ])('given %p key and %p secret', async (kvp, file, exKey, exValue, invalid) => {
    try {
      let secret: string;
      if (file) {
        secret = await buildx.getSecretFile(kvp);
      } else {
        secret = await buildx.getSecretString(kvp);
      }
      expect(true).toBe(!invalid);
      console.log(`secret: ${secret}`);
      expect(secret).toEqual(`id=${exKey},src=${tmpNameSync}`);
      const secretValue = await fs.readFileSync(tmpNameSync, 'utf-8');
      console.log(`secretValue: ${secretValue}`);
      expect(secretValue).toEqual(exValue);
    } catch (err) {
      expect(true).toBe(invalid);
    }
  });
});