integration.js

/* @flow */

import Config from '../../../src/config';
import PackageResolver from '../../../src/package-resolver.js';
import {run as add} from '../../../src/cli/commands/add.js';
import {run as cache} from '../../../src/cli/commands/cache.js';
import {run as check} from '../../../src/cli/commands/check.js';
import * as constants from '../../../src/constants.js';
import * as reporters from '../../../src/reporters/index.js';
import {parse} from '../../../src/lockfile';
import {Install, run as install} from '../../../src/cli/commands/install.js';
import Lockfile from '../../../src/lockfile';
import * as fs from '../../../src/util/fs.js';
import {getPackageVersion, explodeLockfile, runInstall, runLink, createLockfile, run as buildRun} from '../_helpers.js';

jasmine.DEFAULT_TIMEOUT_INTERVAL = 150000;

let request = require('request');
const semver = require('semver');
const path = require('path');
const stream = require('stream');

async function mockConstants(base: Config, mocks: Object, cb: (config: Config) => Promise<void>): Promise<void> {
  // We cannot put this function inside _helpers, because we need to change the "request" variable
  // after resetting the modules. Updating this variable is required because some tests check what
  // happened during the Yarn execution, and they need to use the same instance of "request" than
  // the Yarn environment.

  const opts = {};

  opts.binLinks = base.binLinks;
  opts.cwd = base.cwd;
  opts.globalFolder = base.globalFolder;
  opts.linkFolder = base.linkFolder;
  opts.production = base.production;
  opts.cacheFolder = base._cacheRootFolder;

  const automock = jest.genMockFromModule('../../../src/constants');
  jest.setMock('../../../src/constants', Object.assign(automock, mocks));

  jest.resetModules();
  request = require('request');

  jest.mock('../../../src/constants');
  await cb(await require('../../../src/config.js').default.create(opts, base.reporter));
  jest.unmock('../../../src/constants');
}

beforeEach(request.__resetAuthedRequests);
afterEach(request.__resetAuthedRequests);

test.concurrent('install should not hoist packages above their peer dependencies', async () => {
  await runInstall({}, 'install-should-not-hoist-through-peer-deps', async (config): Promise<void> => {
    expect(await fs.exists(`${config.cwd}/node_modules/a/node_modules/c`)).toEqual(true);
  });
});

test.concurrent('install should resolve peer dependencies from same subtrees', async () => {
  await runInstall({}, 'peer-dep-same-subtree', async (config): Promise<void> => {
    expect(JSON.parse(await fs.readFile(`${config.cwd}/node_modules/d/node_modules/a/package.json`)).version).toEqual(
      '1.0.0',
    );
    expect(JSON.parse(await fs.readFile(`${config.cwd}/node_modules//a/package.json`)).version).toEqual('1.1.0');
    expect(await fs.exists(`${config.cwd}/node_modules/c/node_modules/a`)).toEqual(false);
  });
});

test.concurrent('install optional subdependencies by default', async () => {
  await runInstall({}, 'install-optional-dependencies', async (config): Promise<void> => {
    expect(await fs.exists(`${config.cwd}/node_modules/dep-b`)).toEqual(true);
  });
});

test.concurrent('installing with --ignore-optional should not install optional subdependencies', async () => {
  await runInstall({ignoreOptional: true}, 'install-optional-dependencies', async (config): Promise<void> => {
    expect(await fs.exists(`${config.cwd}/node_modules/dep-b`)).toEqual(false);
    expect(await fs.exists(`${config.cwd}/node_modules/dep-c`)).toEqual(true);
    expect(await fs.exists(`${config.cwd}/node_modules/dep-d`)).toEqual(true);
    expect(await fs.exists(`${config.cwd}/node_modules/dep-e`)).toEqual(true);
  });
});

test.concurrent(
  'running install inside a workspace should run the install from the root of the workspace',
  async () => {
    await runInstall({}, 'install-workspaces', async (config, reporter): Promise<void> => {
      const pkgJson = await fs.readJson(`${config.cwd}/workspace/package.json`);
      pkgJson.dependencies['b'] = 'file:../b';
      await fs.writeFile(`${config.cwd}/workspace/package.json`, JSON.stringify(pkgJson));

      const workspaceConfig = await Config.create({cwd: `${config.cwd}/workspace`}, reporter);

      const reInstall = new Install({}, workspaceConfig, reporter, await Lockfile.fromDirectory(config.cwd));
      await reInstall.init();

      const lockfileContent = await fs.readFile(`${config.cwd}/yarn.lock`);
      expect(lockfileContent).toEqual(expect.stringContaining(`"b@file:b"`));
      expect(lockfileContent).toEqual(expect.stringContaining(`"a@file:./a"`));
    });
  },
);

test.concurrent('packages installed through the link protocol should validate all peer dependencies', async () => {
  await runInstall({checkFiles: true}, 'check-files-should-not-cross-symlinks', async (config): Promise<void> => {
    expect(
      JSON.parse(await fs.readFile(`${config.cwd}/node_modules/.yarn-integrity`)).files.map(file => {
        return file.replace(/\\/g, '/');
      }),
    ).toEqual(['some-missing-pkg', 'some-other-pkg', 'some-pkg/package.json']);
  });
});

test.concurrent('installing a package with a renamed file should not delete it', async () => {
  await runInstall({}, 'case-sensitivity', async (config, reporter): Promise<void> => {
    const pkgJson = await fs.readJson(`${config.cwd}/package.json`);
    pkgJson.dependencies['pkg'] = 'file:./pkg-b';
    await fs.writeFile(`${config.cwd}/package.json`, JSON.stringify(pkgJson));

    const reInstall = new Install({}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reInstall.init();

    expect(await fs.exists(`${config.cwd}/node_modules/pkg/state.js`)).toEqual(true);
  });
});

test.concurrent('properly find and save build artifacts', async () => {
  await runInstall({}, 'artifacts-finds-and-saves', async (config): Promise<void> => {
    const integrity = await fs.readJson(path.join(config.cwd, 'node_modules', constants.INTEGRITY_FILENAME));

    expect(integrity.artifacts['dummy@0.0.0']).toEqual(['dummy', path.join('dummy', 'dummy.txt'), 'dummy.txt']);

    // retains artifact
    const moduleFolder = path.join(config.cwd, 'node_modules', 'dummy');
    expect(await fs.readFile(path.join(moduleFolder, 'dummy.txt'))).toEqual('foobar');
    expect(await fs.readFile(path.join(moduleFolder, 'dummy', 'dummy.txt'))).toEqual('foobar');
  });
});

test('reading a lockfile should not optimize it', async () => {
  await runInstall({}, 'lockfile-optimization', async (config, reporter): Promise<void> => {
    const was = await fs.readFile(`${__dirname}/../../fixtures/install/lockfile-optimization/yarn.lock`);
    const is = await fs.readFile(`${config.cwd}/yarn.lock`);

    expect(is).toEqual(was);
  });
});

test('creates the file in the mirror when fetching a git repository', async () => {
  await runInstall({}, 'install-git', async (config, reporter): Promise<void> => {
    const lockfile = await Lockfile.fromDirectory(config.cwd);

    expect(await fs.glob('example-yarn-package.git-*', {cwd: `${config.cwd}/offline-mirror`})).toHaveLength(1);

    await fs.unlink(path.join(config.cwd, 'offline-mirror'));
    await fs.unlink(path.join(config.cwd, 'node_modules'));

    const firstReinstall = new Install({}, config, reporter, lockfile);
    await firstReinstall.init();

    expect(await fs.glob('example-yarn-package.git-*', {cwd: `${config.cwd}/offline-mirror`})).toHaveLength(1);
  });
});

test.concurrent('creates a symlink to a directory when using the link: protocol', async () => {
  await runInstall({}, 'install-link', async (config): Promise<void> => {
    const expectPath = path.join(config.cwd, 'node_modules', 'test-absolute');

    const stat = await fs.lstat(expectPath);
    expect(stat.isSymbolicLink()).toEqual(true);

    const target = await fs.readlink(expectPath);
    expect(path.resolve(config.cwd, target)).toMatch(/[\\\/]bar$/);
  });
});

test.concurrent('creates a symlink to a non-existing directory when using the link: protocol', async () => {
  await runInstall({}, 'install-link', async (config): Promise<void> => {
    const expectPath = path.join(config.cwd, 'node_modules', 'test-missing');

    const stat = await fs.lstat(expectPath);
    expect(stat.isSymbolicLink()).toEqual(true);

    const target = await fs.readlink(expectPath);
    if (process.platform !== 'win32') {
      expect(target).toEqual('../baz');
    } else {
      expect(target).toMatch(/[\\\/]baz[\\\/]$/);
    }
  });
});

test.concurrent(
  'resolves the symlinks relative to the package path when using the link: protocol; not the node_modules',
  async () => {
    await runInstall({}, 'install-link', async (config): Promise<void> => {
      const expectPath = path.join(config.cwd, 'node_modules', 'test-relative');

      const stat = await fs.lstat(expectPath);
      expect(stat.isSymbolicLink()).toEqual(true);

      const target = await fs.readlink(expectPath);
      if (process.platform !== 'win32') {
        expect(target).toEqual('../bar');
      } else {
        expect(target).toMatch(/[\\\/]bar[\\\/]$/);
      }
    });
  },
);

test.concurrent(
  'resolves the symlinks of other symlinked packages relative to the package using the link: protocol',
  async () => {
    await runInstall({}, 'install-link-nested', async (config): Promise<void> => {
      const expectPath = path.join(config.cwd, 'node_modules', 'b');

      const stat = await fs.lstat(expectPath);
      expect(stat.isSymbolicLink()).toEqual(true);

      const target = await fs.readlink(expectPath);
      if (process.platform !== 'win32') {
        expect(target).toEqual('../a/b');
      } else {
        expect(target).toMatch(/[\\\/]b[\\\/]$/);
      }
    });
  },
);

test.concurrent('replace the symlink when it changes, when using the link: protocol', async () => {
  await runInstall({}, 'install-link', async (config, reporter): Promise<void> => {
    const lockfile = await Lockfile.fromDirectory(config.cwd);

    const pkgJson = await fs.readJson(`${config.cwd}/package.json`);
    pkgJson.dependencies['test-missing'] = 'link:barbaz';
    await fs.writeFile(`${config.cwd}/package.json`, JSON.stringify(pkgJson));

    const reInstall = new Install({}, config, reporter, lockfile);
    await reInstall.init();

    const expectPath = path.join(config.cwd, 'node_modules', 'test-missing');

    const stat = await fs.lstat(expectPath);
    expect(stat.isSymbolicLink()).toEqual(true);

    const target = await fs.readlink(expectPath);
    if (process.platform !== 'win32') {
      expect(target).toEqual('../barbaz');
    } else {
      expect(target).toMatch(/[\\\/]barbaz[\\\/]$/);
    }
  });
});

test('changes the cache path when bumping the cache version', async () => {
  await runInstall({}, 'install-github', async (config): Promise<void> => {
    const inOut = new stream.PassThrough();
    const reporter = new reporters.JSONReporter({stdout: inOut});

    await cache(config, reporter, {}, ['dir']);
    expect((JSON.parse(String(inOut.read())): any).data).toMatch(/[\\\/]v1[\\\/]?$/);

    await mockConstants(config, {CACHE_VERSION: 42}, async (config): Promise<void> => {
      await cache(config, reporter, {}, ['dir']);
      expect((JSON.parse(String(inOut.read())): any).data).toMatch(/[\\\/]v42[\\\/]?$/);
    });
  });
});

test('changes the cache directory when bumping the cache version', async () => {
  await runInstall({}, 'install-production', async (config, reporter): Promise<void> => {
    const lockfile = await Lockfile.fromDirectory(config.cwd);

    const resolver = new PackageResolver(config, lockfile);
    await resolver.init([{pattern: 'is-array', registry: 'npm'}]);

    const ref = resolver.getManifests()[0]._reference;
    const cachePath = config.generateHardModulePath(ref, true);

    await fs.writeFile(path.join(cachePath, 'yarn.test'), 'YARN TEST');
    await fs.unlink(path.join(config.cwd, 'node_modules'));

    const firstReinstall = new Install({skipIntegrityCheck: true}, config, reporter, lockfile);
    await firstReinstall.init();

    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'is-array', 'yarn.test'))).toEqual(true);

    await mockConstants(config, {CACHE_VERSION: 42}, async (config): Promise<void> => {
      const secondReinstall = new Install({skipIntegrityCheck: true}, config, reporter, lockfile);
      await secondReinstall.init();

      expect(await fs.exists(path.join(config.cwd, 'node_modules', 'is-array', 'yarn.test'))).toEqual(false);
    });
  });
});

test.concurrent("removes extraneous files that aren't in module or artifacts", async () => {
  async function check(cwd: string): Promise<void> {
    // retains artifact
    const moduleFolder = path.join(cwd, 'node_modules', 'dummy');
    expect(await fs.readFile(path.join(moduleFolder, 'dummy.txt'))).toEqual('foobar');
    expect(await fs.readFile(path.join(moduleFolder, 'dummy', 'dummy.txt'))).toEqual('foobar');

    // removes extraneous
    expect(await fs.exists(path.join(moduleFolder, 'dummy2.txt'))).toEqual(false);
  }

  async function create(cwd: string): Promise<void> {
    // create an extraneous file
    const moduleFolder = path.join(cwd, 'node_modules', 'dummy');
    await fs.mkdirp(moduleFolder);
    await fs.writeFile(path.join(moduleFolder, 'dummy2.txt'), 'foobar');
  }

  await runInstall(
    {},
    'artifacts-finds-and-saves',
    async (config): Promise<void> => {
      await check(config.cwd);

      await create(config.cwd);

      // run install again
      const install = new Install({force: true}, config, config.reporter, new Lockfile());
      await install.init();

      await check(config.cwd);
    },
    create,
  );
});

test.concurrent("production mode with deduped dev dep shouldn't be removed", async () => {
  await runInstall({production: true}, 'install-prod-deduped-dev-dep', async config => {
    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'a', 'package.json'))).version).toEqual('1.0.0');

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'c', 'package.json'))).version).toEqual('1.0.0');

    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'b'))).toEqual(false);
  });
});

test.concurrent("production mode dep on package in dev deps shouldn't be removed", async () => {
  await runInstall({production: true}, 'install-prod-deduped-direct-dev-dep', async config => {
    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'a', 'package.json'))).version).toEqual('1.0.0');

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'b', 'package.json'))).version).toEqual('1.0.0');

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'c', 'package.json'))).version).toEqual('1.0.0');
  });
});

test.concurrent('hoisting should factor ignored dependencies', async () => {
  // you should only modify this test if you know what you're doing
  // when we calculate hoisting we need to factor in ignored dependencies in it
  // so we get deterministic hoisting across environments, for example in production mode
  // we should still be taking dev dependencies into consideration

  async function checkNormal(config): Promise<void> {
    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'a', 'package.json'))).version).toEqual('1.0.0');

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'd', 'package.json'))).version).toEqual('1.0.0');

    expect(
      (await fs.readJson(path.join(config.cwd, 'node_modules', 'd', 'node_modules', 'c', 'package.json'))).version,
    ).toEqual('2.0.0');
  }

  await runInstall({}, 'install-ignored-retains-hoisting-structure', async config => {
    await checkNormal(config);

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'b', 'package.json'))).version).toEqual('3.0.0');

    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'c', 'package.json'))).version).toEqual('5.0.0');
  });

  await runInstall({production: true}, 'install-ignored-retains-hoisting-structure', async config => {
    await checkNormal(config);

    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'b'))).toEqual(false);

    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'c'))).toEqual(false);
  });
});

test.concurrent('--production flag ignores dev dependencies', () => {
  return runInstall({production: true}, 'install-production', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'left-pad'))).toEqual(false);

    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'is-array'))).toEqual(true);
  });
});

test.concurrent('--production flag does not link dev dependency bin scripts', () => {
  return runInstall({production: true, binLinks: true}, 'install-production-bin', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', '.bin', 'touch'))).toEqual(false);

    expect(await fs.exists(path.join(config.cwd, 'node_modules', '.bin', 'rimraf'))).toEqual(true);
  });
});

test.concurrent('root install with optional deps', (): Promise<void> => {
  return runInstall({}, 'root-install-with-optional-dependency');
});

test.concurrent('install file: protocol with relative paths', (): Promise<void> => {
  return runInstall({}, 'install-file-relative', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'root-a', 'index.js'))).toEqual('foobar;\n');
  });
});

test.concurrent('install file: protocol without force retains installed package', async (): Promise<void> => {
  const fixturesLoc = path.join(__dirname, '..', '..', 'fixtures', 'install');
  const compLoc = path.join(fixturesLoc, 'install-file-without-cache', 'comp', 'index.js');

  await fs.writeFile(compLoc, 'foo\n');
  await runInstall({}, 'install-file-without-cache', async (config, reporter) => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'comp', 'index.js'))).toEqual('foo\n');

    await fs.writeFile(path.join(config.cwd, 'comp', 'index.js'), 'bar\n');

    const reinstall = new Install({}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'comp', 'index.js'))).not.toEqual('bar\n');
  });
});

test.concurrent('install file: protocol with force re-installs local package', async (): Promise<void> => {
  const fixturesLoc = path.join(__dirname, '..', '..', 'fixtures', 'install');
  const compLoc = path.join(fixturesLoc, 'install-file-without-cache', 'comp', 'index.js');

  await fs.writeFile(compLoc, 'foo\n');
  await runInstall({}, 'install-file-without-cache', async (config, reporter) => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'comp', 'index.js'))).toEqual('foo\n');

    await fs.writeFile(path.join(config.cwd, 'comp', 'index.js'), 'bar\n');

    const reinstall = new Install({force: true}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'comp', 'index.js'))).toEqual('bar\n');
  });
});

test.concurrent('install file: local packages with local dependencies', async (): Promise<void> => {
  await runInstall({}, 'install-file-local-dependency', async (config, reporter) => {
    const reinstall = new Install({}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'a', 'index.js'))).toEqual('foo;\n');

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'b', 'index.js'))).toEqual('bar;\n');
  });
});

test.concurrent('install file: install without manifest of dependency', async (): Promise<void> => {
  await runInstall({}, 'install-file-without-manifest', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'index.js'))).toEqual('bar\n');
  });
});

test.concurrent('install file: link file dependencies', async (): Promise<void> => {
  await runInstall({}, 'install-file-link-dependencies', async config => {
    const statA = await fs.lstat(path.join(config.cwd, 'node_modules', 'a'));
    expect(statA.isSymbolicLink()).toEqual(true);

    const statB = await fs.lstat(path.join(config.cwd, 'node_modules', 'b'));
    expect(statB.isSymbolicLink()).toEqual(true);

    const statC = await fs.lstat(path.join(config.cwd, 'node_modules', 'c'));
    expect(statC.isSymbolicLink()).toEqual(true);

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'a', 'index.js'))).toEqual('foo;\n');

    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'b', 'index.js'))).toEqual('bar;\n');
  });
});

test.concurrent('install file: protocol', (): Promise<void> => {
  return runInstall({lockfile: false}, 'install-file', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'index.js'))).toEqual('foobar;\n');
  });
});

test.concurrent('install with file: protocol as default', (): Promise<void> => {
  return runInstall({}, 'install-file-as-default', async (config, reporter, install, getOutput) => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'index.js'))).toEqual('foobar;\n');

    expect(getOutput()).toContain(reporter.lang('implicitFileDeprecated', 'bar'));
  });
});

test.concurrent("don't install with file: protocol as default if target is a file", (): Promise<void> => {
  // $FlowFixMe
  return expect(runInstall({lockfile: false}, 'install-file-as-default-no-file')).rejects.toBeDefined();
});

test.concurrent("don't install with implicit file: protocol if target does not have package.json", (): Promise<
  void,
> => {
  // $FlowFixMe
  return expect(runInstall({lockfile: false}, 'install-file-as-default-no-package')).rejects.toBeDefined();
});

test.concurrent('install with explicit file: protocol if target does not have package.json', (): Promise<void> => {
  return runInstall({}, 'install-file-no-package', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'foo', 'bar.js'))).toEqual(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'bar', 'bar.js'))).toEqual(true);
  });
});

test.concurrent("don't install with file: protocol as default if target is valid semver", (): Promise<void> => {
  return runInstall({}, 'install-file-as-default-no-semver', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'package.json'))).toMatchSnapshot(
      'install-file-as-default-no-semver',
    );
  });
});

// When local packages are installed, dependencies with different forms of the same relative path
// should be deduped e.g. 'file:b' and 'file:./b'
test.concurrent('install file: dedupe dependencies 1', (): Promise<void> => {
  return runInstall({}, 'install-file-dedupe-dependencies-1', async config => {
    // Check that b is not added as a sub-dependency of a
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'a', 'node_modules'))).toEqual(false);
  });
});

// When local packages are installed, dependencies with relative and absolute paths should be
// deduped e.g. 'file:b' and 'file:/absolute/path/to/b'
test.concurrent('install file: dedupe dependencies 2', (): Promise<void> => {
  return runInstall({}, 'install-file-dedupe-dependencies-2', async (config, reporter) => {
    // Add b as a dependency, using an absolute path
    await add(config, reporter, {}, [`b@file:${path.resolve(config.cwd, 'b')}`]);

    // Check that b is not added as a sub-dependency of a
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'a', 'node_modules'))).toEqual(false);
  });
});

// When local packages are installed from a repo with a lockfile, the multiple packages
// unpacking in the same location warning should not occur
test.concurrent('install file: dedupe dependencies 3', (): Promise<void> => {
  return runInstall({}, 'install-file-dedupe-dependencies-3', (config, reporter, install, getStdout) => {
    const stdout = getStdout();
    // Need to check if message is logged, but don't need to check for any specific parameters
    // so splitting on undefined and testing if all message parts are in stdout
    const messageParts = reporter.lang('multiplePackagesCantUnpackInSameDestination').split('undefined');
    const warningMessage = messageParts.every(part => stdout.includes(part));
    expect(warningMessage).toBe(false);
  });
});

test.concurrent('install everything when flat is enabled', (): Promise<void> => {
  return runInstall({lockfile: false, flat: true}, 'install-file', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'index.js'))).toEqual('foobar;\n');
  });
});

test.concurrent('install renamed packages', (): Promise<void> => {
  return runInstall({}, 'install-renamed-packages', async (config): Promise<void> => {
    const dir = path.join(config.cwd, 'node_modules');

    const json = await fs.readJson(path.join(dir, 'left-pad', 'package.json'));
    expect(json.version).toEqual('1.0.0');

    const json2 = await fs.readJson(path.join(dir, 'left-pad2', 'package.json'));
    expect(json2.version).toEqual('1.1.0');
  });
});

test.concurrent('install from offline mirror', (): Promise<void> => {
  return runInstall({}, 'install-from-offline-mirror', async (config): Promise<void> => {
    const allFiles = await fs.walk(config.cwd);

    expect(
      allFiles.findIndex((file): boolean => {
        return file.relative === path.join('node_modules', 'fake-dependency', 'package.json');
      }),
    ).toBeGreaterThanOrEqual(0);

    expect(
      allFiles.findIndex((file): boolean => {
        return file.relative === path.join('node_modules', '@fakescope', 'fake-dependency', 'package.json');
      }),
    ).toBeGreaterThanOrEqual(0);
  });
});

test.concurrent('install from git cache', (): Promise<void> => {
  return runInstall({}, 'install-from-git-cache', async (config): Promise<void> => {
    expect(await getPackageVersion(config, 'dep-a')).toEqual('0.0.1');
  });
});

test.concurrent('install from github', (): Promise<void> => {
  return runInstall({}, 'install-github');
});

test.concurrent('check and install should verify integrity in the same way when flat', (): Promise<void> => {
  return runInstall({flat: true}, 'install-should-dedupe-avoiding-conflicts-1', async (config, reporter) => {
    // Will raise if check doesn't flatten the patterns
    await check(config, reporter, {flat: true, integrity: true}, []);
  });
});

test.concurrent('check should verify that top level dependencies are installed correctly', (): Promise<void> => {
  return runInstall({}, 'check-top-correct', async (config, reporter) => {
    const pkgDep = JSON.parse(
      await fs.readFile(path.join(config.cwd, 'node_modules/fake-yarn-dependency/package.json')),
    );
    pkgDep.version = '2.0.0';
    await fs.writeFile(
      path.join(config.cwd, 'node_modules/fake-yarn-dependency/package.json'),
      JSON.stringify(pkgDep, null, 4),
    );

    let allCorrect = false;
    try {
      await check(config, reporter, {}, []);
    } catch (err) {
      allCorrect = true;
    }
    expect(allCorrect).toBe(true);
  });
});

test.concurrent('install should run install scripts in the order of dependencies', (): Promise<void> => {
  return runInstall({}, 'scripts-order', async (config, reporter) => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-a/dep-a-built'))).toBe(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-b/dep-b-built'))).toBe(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-c/dep-c-built'))).toBe(true);
  });
});

test.concurrent('install with comments in manifest', (): Promise<void> => {
  return runInstall({lockfile: false}, 'install-with-comments', async config => {
    expect(await fs.readFile(path.join(config.cwd, 'node_modules', 'foo', 'index.js'))).toEqual('foobar;\n');
  });
});

test.concurrent('install with comments in manifest resolutions does not result in warning', (): Promise<void> => {
  const fixturesLoc = path.join(__dirname, '..', '..', 'fixtures', 'install');

  return buildRun(
    reporters.BufferReporter,
    fixturesLoc,
    async (args, flags, config, reporter): Promise<void> => {
      await install(config, reporter, flags, args);

      const output = reporter.getBuffer();
      const warnings = output.filter(entry => entry.type === 'warning');

      expect(
        warnings.some(warning => {
          return warning.data.toString().indexOf(reporter.lang('invalidResolutionName', '//')) > -1;
        }),
      ).toEqual(false);
    },
    [],
    {lockfile: false},
    'install-with-comments',
  );
});

test.concurrent('install with null versions in manifest', (): Promise<void> => {
  return runInstall({}, 'install-with-null-version', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'left-pad'))).toEqual(true);
  });
});

test.concurrent('run install scripts in the order when one dependency does not have install script', (): Promise<
  void,
> => {
  return runInstall({}, 'scripts-order-with-one-package-missing-install-script', async (config, reporter) => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-a/dep-a-built'))).toBe(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-b/dep-b-built'))).toBe(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules/dep-d/dep-d-built'))).toBe(true);
  });
});

test.concurrent('install should circumvent circular dependencies', (): Promise<void> => {
  return runInstall({}, 'install-should-circumvent-circular-dependencies', async (config, reporter) => {
    expect(await getPackageVersion(config, 'dep-a')).toEqual('1.0.0');

    expect(await getPackageVersion(config, 'dep-b')).toEqual('1.0.0');

    expect(await getPackageVersion(config, 'dep-c')).toEqual('1.0.0');
  });
});

test.concurrent('install should resolve circular dependencies 2', (): Promise<void> => {
  return runInstall({}, 'install-should-circumvent-circular-dependencies-2', async (config, reporter) => {
    expect(await getPackageVersion(config, 'es5-ext')).toEqual('0.10.12');
  });
});

test.concurrent('install should be idempotent', (): Promise<void> => {
  // Install a package twice
  runInstall(
    {},
    'install-should-be-idempotent',
    async (config, reporter) => {
      expect(await getPackageVersion(config, 'dep-a')).toEqual('1.0.0');
    },
    null,
  );

  return runInstall({}, 'install-should-be-idempotent', async (config, reporter) => {
    expect(await getPackageVersion(config, 'dep-a')).toEqual('1.0.0');
  });
});

test.concurrent('install should add missing deps to yarn and mirror (PR import scenario)', (): Promise<void> => {
  return runInstall({}, 'install-import-pr', async config => {
    expect(await getPackageVersion(config, 'mime-types')).toEqual('2.0.0');
    expect(semver.satisfies(await getPackageVersion(config, 'mime-db'), '~1.0.1')).toEqual(true);
    expect(await getPackageVersion(config, 'fake-yarn-dependency')).toEqual('1.0.1');

    const mirror = await fs.walk(path.join(config.cwd, 'mirror-for-offline'));
    expect(mirror).toHaveLength(3);
    expect(mirror[0].relative).toEqual('fake-yarn-dependency-1.0.1.tgz');
    expect(mirror[1].relative.indexOf('mime-db-1.0.')).toEqual(0);
    expect(mirror[2].relative).toEqual('mime-types-2.0.0.tgz');

    const lockFileContent = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const lockFileLines = explodeLockfile(lockFileContent);
    expect(lockFileLines).toHaveLength(11);
    expect(lockFileLines[3].indexOf('mime-db@')).toEqual(0);
    expect(lockFileLines[6].indexOf('mime-types@2.0.0')).toEqual(0);
  });
});

test.concurrent('install should update checksums in yarn.lock (--update-checksums)', (): Promise<void> => {
  const packageRealHash = '5faad9c2c07f60dd76770f71cf025b62a63cfd4e';
  const packageCacheName = `npm-abab-1.0.4-${packageRealHash}`;
  return runInstall({updateChecksums: true}, 'install-update-checksums', async config => {
    const lockFileContent = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const lockFileLines = explodeLockfile(lockFileContent);
    const packageHashInLockfile = lockFileLines[2].replace(/(^.*#)|("$)/g, '');
    const installedPackageJson = path.resolve(config.cwd, 'node_modules', 'abab', 'package.json');
    const cachePackageJson = path.resolve(config.cwd, '.yarn-cache/v1/', packageCacheName, 'package.json');
    expect(packageHashInLockfile).toEqual(packageRealHash);
    expect(await fs.exists(installedPackageJson)).toBe(true);
    expect(await fs.exists(cachePackageJson)).toBe(true);
  });
});

test.concurrent('install should update a dependency to yarn and mirror (PR import scenario 2)', (): Promise<void> => {
  // mime-types@2.0.0 is gets updated to mime-types@2.1.11 via
  // a change in package.json,
  // files in mirror, yarn.lock, package.json and node_modules should reflect that

  return runInstall({}, 'install-import-pr-2', async (config, reporter): Promise<void> => {
    expect(semver.satisfies(await getPackageVersion(config, 'mime-db'), '~1.0.1')).toEqual(true);

    expect(await getPackageVersion(config, 'mime-types')).toEqual('2.0.0');

    await fs.copy(path.join(config.cwd, 'package.json.after'), path.join(config.cwd, 'package.json'), reporter);

    const reinstall = new Install({}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    expect(semver.satisfies(await getPackageVersion(config, 'mime-db'), '~1.23.0')).toEqual(true);

    expect(await getPackageVersion(config, 'mime-types')).toEqual('2.1.11');

    const lockFileWritten = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const lockFileLines = explodeLockfile(lockFileWritten);

    expect(lockFileLines[0]).toEqual('mime-db@~1.23.0:');
    expect(lockFileLines[2]).toMatch(/resolved "https:\/\/registry\.yarnpkg\.com\/mime-db\/-\/mime-db-/);

    expect(lockFileLines[3]).toEqual('mime-types@2.1.11:');
    expect(lockFileLines[5]).toMatch(
      /resolved "https:\/\/registry\.yarnpkg\.com\/mime-types\/-\/mime-types-2\.1\.11\.tgz#[a-f0-9]+"/,
    );

    const mirror = await fs.walk(path.join(config.cwd, 'mirror-for-offline'));
    expect(mirror).toHaveLength(4);

    const newFilesInMirror = mirror.filter((elem): boolean => {
      return elem.relative !== 'mime-db-1.0.3.tgz' && elem.relative !== 'mime-types-2.0.0.tgz';
    });

    expect(newFilesInMirror).toHaveLength(2);
  });
});

if (process.platform !== 'win32') {
  // TODO: This seems like a real issue, not just a config issue
  test.concurrent('install cache symlinks properly', (): Promise<void> => {
    return runInstall({}, 'cache-symlinks', async (config, reporter) => {
      const symlink = path.resolve(config.cwd, 'node_modules', 'dep-a', 'link-index.js');
      expect(await fs.exists(symlink)).toBe(true);
      await fs.unlink(path.join(config.cwd, 'node_modules'));

      const lockfile = await createLockfile(config.cwd);
      const install = new Install({}, config, reporter, lockfile);
      await install.init();

      expect(await fs.exists(symlink)).toBe(true);
    });
  });
}

test.concurrent('offline mirror can be enabled from parent dir', (): Promise<void> => {
  const fixture = {
    source: 'offline-mirror-configuration',
    cwd: 'enabled-from-parent',
  };
  return runInstall({}, fixture, async (config, reporter) => {
    const rawLockfile = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const {object: lockfile} = parse(rawLockfile);
    expect(lockfile['mime-types@2.1.14'].resolved).toEqual(
      'https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.14.tgz#f7ef7d97583fcaf3b7d282b6f8b5679dab1e94ee',
    );
    expect(await fs.exists(path.join(config.cwd, '../offline-mirror/mime-types-2.1.14.tgz'))).toBe(true);
  });
});

test.concurrent('offline mirror can be enabled from parent dir, with merging of own .yarnrc', (): Promise<void> => {
  const fixture = {
    source: 'offline-mirror-configuration',
    cwd: 'enabled-from-parent-merge',
  };
  return runInstall({}, fixture, async (config, reporter) => {
    const rawLockfile = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const {object: lockfile} = parse(rawLockfile);
    expect(lockfile['mime-types@2.1.14'].resolved).toEqual(
      'https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.14.tgz#f7ef7d97583fcaf3b7d282b6f8b5679dab1e94ee',
    );
    expect(await fs.exists(path.join(config.cwd, '../offline-mirror/mime-types-2.1.14.tgz'))).toBe(true);
  });
});

test.concurrent('offline mirror can be disabled locally', (): Promise<void> => {
  const fixture = {
    source: 'offline-mirror-configuration',
    cwd: 'disabled-locally',
  };
  return runInstall({}, fixture, async (config, reporter) => {
    const rawLockfile = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    const {object: lockfile} = parse(rawLockfile);
    expect(lockfile['mime-types@2.1.14'].resolved).toEqual(
      'https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.14.tgz#f7ef7d97583fcaf3b7d282b6f8b5679dab1e94ee',
    );
    expect(await fs.exists(path.join(config.cwd, '../offline-mirror/mime-types-2.1.14.tgz'))).toBe(false);
  });
});

// sync test because we need to get all the requests to confirm their validity
test('install a scoped module from authed private registry', (): Promise<void> => {
  return runInstall({}, 'install-from-authed-private-registry', async config => {
    const authedRequests = request.__getAuthedRequests();

    expect(authedRequests[0].url).toEqual('https://registry.yarnpkg.com/@types%2flodash');
    expect(authedRequests[0].headers.authorization).toEqual('Bearer abc123');
    expect(authedRequests[1].url).toEqual('https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.37.tgz');
    expect(authedRequests[1].headers.authorization).toEqual('Bearer abc123');

    expect(
      (await fs.readFile(path.join(config.cwd, 'node_modules', '@types', 'lodash', 'index.d.ts'))).split('\n')[0],
    ).toEqual('// Type definitions for Lo-Dash 4.14');
  });
});

test('install a scoped module from authed private registry with a missing trailing slash', (): Promise<void> => {
  return runInstall({}, 'install-from-authed-private-registry-no-slash', async config => {
    const authedRequests = request.__getAuthedRequests();

    expect(authedRequests[0].url).toEqual('https://registry.yarnpkg.com/@types%2flodash');
    expect(authedRequests[0].headers.authorization).toEqual('Bearer abc123');
    expect(authedRequests[1].url).toEqual('https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.37.tgz');
    expect(authedRequests[1].headers.authorization).toEqual('Bearer abc123');

    expect(
      (await fs.readFile(path.join(config.cwd, 'node_modules', '@types', 'lodash', 'index.d.ts'))).split('\n')[0],
    ).toEqual('// Type definitions for Lo-Dash 4.14');
  });
});

test.concurrent('install of scoped package with subdependency conflict should pass check', (): Promise<void> => {
  return runInstall({}, 'install-scoped-package-with-subdependency-conflict', async (config, reporter) => {
    let allCorrect = true;
    try {
      await check(config, reporter, {integrity: false}, []);
    } catch (err) {
      allCorrect = false;
    }
    expect(allCorrect).toBe(true);
  });
});

test.concurrent('install a module with incompatible optional dependency should skip dependency', (): Promise<void> => {
  return runInstall({}, 'install-should-skip-incompatible-optional-dep', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'dep-incompatible'))).toEqual(false);
  });
});

test.concurrent(
  'install a module with incompatible optional dependency should skip transient dependencies',
  (): Promise<void> => {
    return runInstall({}, 'install-should-skip-incompatible-optional-dep', async config => {
      expect(await fs.exists(path.join(config.cwd, 'node_modules', 'dep-a'))).toEqual(false);
    });
  },
);

test.concurrent('install a module with optional dependency should skip incompatible transient dependency', (): Promise<
  void,
> => {
  return runInstall({}, 'install-should-skip-incompatible-optional-sub-dep', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'dep-optional'))).toEqual(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'dep-incompatible'))).toEqual(false);
  });
});

// this tests for a problem occuring due to optional dependency incompatible with os, in this case fsevents
// this would fail on os's incompatible with fsevents, which is everything except osx.
if (process.platform !== 'darwin') {
  test.concurrent(
    'install incompatible optional dependency should still install shared child dependencies',
    (): Promise<void> => {
      return runInstall({}, 'install-should-not-skip-required-shared-deps', async config => {
        expect(await fs.exists(path.join(config.cwd, 'node_modules', 'deep-extend'))).toEqual(true);
        expect(await fs.exists(path.join(config.cwd, 'node_modules', 'ini'))).toEqual(true);
        expect(await fs.exists(path.join(config.cwd, 'node_modules', 'strip-json-comments'))).toEqual(true);
      });
    },
  );
}

test.concurrent('optional dependency that fails to build should not be installed', (): Promise<void> => {
  return runInstall({}, 'should-not-install-failing-optional-deps', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'optional-failing'))).toEqual(false);
  });
});

test.concurrent('failing dependency of optional dependency should not be installed', (): Promise<void> => {
  return runInstall({}, 'should-not-install-failing-deps-of-optional-deps', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'optional-dep'))).toEqual(true);
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'sub-failing'))).toEqual(false);
  });
});

// Covers current behavior, issue opened whether this should be changed https://github.com/yarnpkg/yarn/issues/2274
test.concurrent('a subdependency of an optional dependency that fails should be installed', (): Promise<void> => {
  return runInstall({}, 'should-install-failing-optional-sub-deps', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'optional-failing'))).toEqual(false);
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'sub-dep'))).toEqual(true);
  });
});

test.concurrent('a sub-dependency should be non-optional if any parents mark it non-optional', async (): Promise<
  void,
> => {
  let thrown = false;
  try {
    await runInstall({}, 'failing-sub-dep-optional-and-normal', () => {});
  } catch (err) {
    thrown = true;
    expect(err.message).toContain('sub-failing: Command failed');
  }
  expect(thrown).toEqual(true);
});

test.concurrent('should not loose dependencies when installing with --production', (): Promise<void> => {
  // revealed https://github.com/yarnpkg/yarn/issues/2263
  return runInstall({production: true}, 'prod-should-keep-subdeps', async config => {
    // would be hoisted from gulp/vinyl-fs/glob-stream/minimatch/brace-expansion/balanced-match
    expect(await getPackageVersion(config, 'balanced-match')).toEqual('0.4.2');
  });
});

// https://github.com/yarnpkg/yarn/issues/2470
test.concurrent('a allows dependency with [] in os cpu requirements', (): Promise<void> => {
  return runInstall({}, 'empty-os', async config => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'feed'))).toEqual(true);
  });
});

test.concurrent('should skip integrity check and do install when --skip-integrity-check flag is passed', (): Promise<
  void,
> => {
  return runInstall({}, 'skip-integrity-check', async (config, reporter) => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'sub-dep'))).toEqual(true);
    await fs.unlink(path.join(config.cwd, 'node_modules', 'sub-dep'));

    let lockContent = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    lockContent += `
# changed the file, integrity should be fine
    `;
    await fs.writeFile(path.join(config.cwd, 'yarn.lock'), lockContent);

    let reinstall = new Install({}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    // reinstall will be successful but it won't reinstall anything
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'sub-dep'))).toEqual(false);

    reinstall = new Install({skipIntegrityCheck: true}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    // reinstall will reinstall deps
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'sub-dep'))).toEqual(true);

    let newLockContent = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    expect(lockContent).toEqual(newLockContent);

    reinstall = new Install({force: true}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();

    // force rewrites lockfile
    newLockContent = await fs.readFile(path.join(config.cwd, 'yarn.lock'));
    expect(lockContent).not.toEqual(newLockContent);
  });
});

test.concurrent('should install if symlink source does not exist', async (): Promise<void> => {
  await runInstall({}, 'relative-symlinks-work', () => {});
});

test.concurrent('prunes the offline mirror tarballs after pruning is enabled', (): Promise<void> => {
  return runInstall({}, 'prune-offline-mirror', async (config): Promise<void> => {
    const mirrorPath = 'mirror-for-offline';
    // Scenario:
    // dep-a 1.0.0 was originally installed, and it depends on dep-b 1.0.0, so
    // both of these were added to the offline mirror. Then dep-a was upgraded
    // to 1.1.0 which doesn't depend on dep-b. After this, pruning was enabled,
    // so the next install should remove dep-a-1.0.0.tgz and dep-b-1.0.0.tgz.
    expect(await fs.exists(path.join(config.cwd, `${mirrorPath}/dep-a-1.0.0.tgz`))).toEqual(false);
    expect(await fs.exists(path.join(config.cwd, `${mirrorPath}/dep-b-1.0.0.tgz`))).toEqual(false);
    expect(await fs.exists(path.join(config.cwd, `${mirrorPath}/dummy.txt`))).toEqual(true);
  });
});

test.concurrent('scoped packages remain in offline mirror after pruning is enabled', (): Promise<void> => {
  return runInstall({}, 'prune-offline-mirror-scoped', async (config): Promise<void> => {
    const mirrorPath = 'mirror-for-offline';
    // scoped package exists
    expect(await fs.exists(path.join(config.cwd, `${mirrorPath}/@fakescope-fake-dependency-1.0.1.tgz`))).toEqual(true);
    // unscoped package exists
    expect(await fs.exists(path.join(config.cwd, `${mirrorPath}/fake-dependency-1.0.1.tgz`))).toEqual(true);
  });
});

test.concurrent('bailout should work with --production flag too', (): Promise<void> => {
  return runInstall({production: true}, 'bailout-prod', async (config, reporter): Promise<void> => {
    // remove file
    await fs.unlink(path.join(config.cwd, 'node_modules', 'left-pad', 'index.js'));
    // run install again
    const reinstall = new Install({production: true}, config, reporter, await Lockfile.fromDirectory(config.cwd));
    await reinstall.init();
    // don't expect file being recreated because install should have bailed out
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'left-pad', 'index.js'))).toBe(false);
  });
});

test.concurrent('package version resolve should be deterministic', (): Promise<void> => {
  // Scenario:
  // graceful-fs will install two versions, from @4.1.10 and @^4.1.11. The pattern @^4.1.2 would sometimes resolve
  // to 4.1.10, if @^4.1.11 hadn't been processed before. Otherwise it would resolve to the result of @^4.1.11.
  // Run an independent install and check, and see they have different results for @^4.1.2 - won't always see
  // the bug, but its the best we can do without creating mock registry with controlled timing of responses.
  return runInstall({}, 'install-deterministic-versions', async (config, reporter) => {
    await check(config, reporter, {integrity: true}, []);
  });
});

test.concurrent('transitive file: dependencies should work', (): Promise<void> => {
  return runInstall({}, 'transitive-file', async (config, reporter) => {
    expect(await fs.exists(path.join(config.cwd, 'node_modules', 'b'))).toBe(true);
  });
});

test('unbound transitive dependencies should not conflict with top level dependency', async () => {
  await runInstall({flat: true}, 'install-conflicts', async config => {
    expect((await fs.readJson(path.join(config.cwd, 'node_modules', 'left-pad', 'package.json'))).version).toEqual(
      '1.0.0',
    );
  });
});

test('manifest optimization respects versions with alternation', async () => {
  await runInstall({flat: true}, 'optimize-version-with-alternation', async config => {
    expect(await getPackageVersion(config, 'lodash')).toEqual('2.4.2');
  });
});

test.concurrent('top level patterns should match after install', (): Promise<void> => {
  return runInstall({}, 'top-level-pattern-check', async (config, reporter) => {
    let integrityError = false;
    try {
      await check(config, reporter, {integrity: true}, []);
    } catch (err) {
      integrityError = true;
    }
    expect(integrityError).toBe(false);
  });
});

test.concurrent('warns for missing bundledDependencies', (): Promise<void> => {
  const fixturesLoc = path.join(__dirname, '..', '..', 'fixtures', 'install');

  return buildRun(
    reporters.BufferReporter,
    fixturesLoc,
    async (args, flags, config, reporter): Promise<void> => {
      await install(config, reporter, flags, args);

      const output = reporter.getBuffer();
      const warnings = output.filter(entry => entry.type === 'warning');

      expect(
        warnings.some(warning => {
          return (
            warning.data.toString().indexOf(reporter.lang('missingBundledDependency', 'tap@0.3.1', 'tap-consumer')) > -1
          );
        }),
      ).toEqual(true);
    },
    [],
    {},
    'missing-bundled-dep',
  );
});

test.concurrent('install will not overwrite linked scoped dependencies', async (): Promise<void> => {
  // install only dependencies
  await runInstall({production: true}, 'install-dont-overwrite-linked', async (installConfig): Promise<void> => {
    // link our fake dep to the registry
    await runLink([], {}, 'package-with-name-scoped', async (linkConfig): Promise<void> => {
      // link our fake dependency in our node_modules
      await runLink(
        ['@fakescope/a-package'],
        {linkFolder: linkConfig.linkFolder},
        {cwd: installConfig.cwd},
        async (): Promise<void> => {
          // check that it exists (just in case)
          const existed = await fs.exists(path.join(installConfig.cwd, 'node_modules', '@fakescope', 'a-package'));
          expect(existed).toEqual(true);

          // run install to install dev deps which would remove the linked dep if the bug was present
          await runInstall({linkFolder: linkConfig.linkFolder}, {cwd: installConfig.cwd}, async (): Promise<void> => {
            // if the linked dep is still there is a win :)
            const existed = await fs.exists(path.join(installConfig.cwd, 'node_modules', '@fakescope', 'a-package'));
            expect(existed).toEqual(true);
          });
        },
      );
    });
  });
});

test.concurrent('install will not overwrite linked dependencies', async (): Promise<void> => {
  // install only dependencies
  await runInstall({production: true}, 'install-dont-overwrite-linked', async (installConfig): Promise<void> => {
    // link our fake dep to the registry
    await runLink([], {}, 'package-with-name', async (linkConfig): Promise<void> => {
      // link our fake dependency in our node_modules
      await runLink(['a-package'], {linkFolder: linkConfig.linkFolder}, {cwd: installConfig.cwd}, async (): Promise<
        void,
      > => {
        // check that it exists (just in case)
        const existed = await fs.exists(path.join(installConfig.cwd, 'node_modules', 'a-package'));
        expect(existed).toEqual(true);

        // run install to install dev deps which would remove the linked dep if the bug was present
        await runInstall({linkFolder: linkConfig.linkFolder}, {cwd: installConfig.cwd}, async (): Promise<void> => {
          // if the linked dep is still there is a win :)
          const existed = await fs.exists(path.join(installConfig.cwd, 'node_modules', 'a-package'));
          expect(existed).toEqual(true);
        });
      });
    });
  });
});