get-filtered-packages.test.js

"use strict";

const path = require("path");
const yargs = require("yargs/yargs");

// mocked modules
const collectUpdates = require("@lerna/collect-updates");

// helpers
const initFixture = require("@lerna-test/init-fixture")(path.resolve(__dirname, "../../command"));
const PackageGraph = require("@lerna/package-graph");
const { getPackages } = require("@lerna/project");

const getFilteredPackages = require("../lib/get-filtered-packages");
const filterOptions = require("..");

async function buildGraph(cwd) {
  const packages = await getPackages(cwd);
  return new PackageGraph(packages);
}

function parseOptions(...args) {
  return filterOptions(
    yargs()
      .exitProcess(false)
      .showHelpOnFail(false)
  ).parse(args);
}

// working dir is never mutated
let cwd;

beforeAll(async () => {
  cwd = await initFixture("filtering");
});

test.each`
  flag
  ${"--scope"}
  ${"--ignore"}
`("$flag requires an argument", async ({ flag }) => {
  // swallow stderr during yargs execution
  jest.spyOn(console, "error").mockImplementation(() => {});

  try {
    parseOptions(flag);
  } catch (err) {
    expect(err.message).toMatch("Not enough arguments");
  }

  expect.hasAssertions();
});

test.each`
  argv                                                      | matched
  ${["--scope", "package-3"]}                               | ${[3]}
  ${["--scope", "package-@(1|2)"]}                          | ${[1, 2]}
  ${["--scope", "package-{3,4}"]}                           | ${[3, 4]}
  ${["--ignore", "package-3"]}                              | ${[1, 2, 4, 5]}
  ${["--ignore", "package-@(2|3|4)"]}                       | ${[1, 5]}
  ${["--ignore", "package-{1,2,5}"]}                        | ${[3, 4]}
  ${["--scope", "package-1", "--scope", "*-2"]}             | ${[1, 2]}
  ${["--scope", "package-@(1|2)", "--ignore", "package-2"]} | ${[1]}
  ${["--ignore", "package-{1,2}", "--ignore", "package-3"]} | ${[4, 5]}
`("filters $argv", async ({ argv, matched }) => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions(...argv);

  const result = await getFilteredPackages(packageGraph, execOpts, options);
  expect(result.map(node => node.name)).toEqual(matched.map(n => `package-${n}`));
});

test.each`
  argv
  ${["--scope", "not-a-package"]}
  ${["--ignore", "package-*"]}
  ${["--scope", "package-@(1|2)", "--ignore", "package-{1,2}"]}
`("errors $argv", async ({ argv }) => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions(...argv);

  try {
    await getFilteredPackages(packageGraph, execOpts, options);
  } catch (err) {
    expect(err.message).toMatch("No packages remain after filtering");
  }

  expect.hasAssertions();
});

test.each`
  argv
  ${["--scope", "not-a-package", "--continue-if-no-match"]}
  ${["--ignore", "package-*", "--continue-if-no-match"]}
  ${["--scope", "package-@(1|2)", "--ignore", "package-{1,2}", "--continue-if-no-match"]}
`("no errors and no packages $argv", async ({ argv }) => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions(...argv);

  const result = await getFilteredPackages(packageGraph, execOpts, options);
  expect(result).toHaveLength(0);
});

test("--since returns all packages if no tag is found", async () => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--since");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result).toHaveLength(5);
  expect(collectUpdates).toHaveBeenLastCalledWith(
    expect.any(Array),
    packageGraph,
    execOpts,
    expect.objectContaining({ since: "" })
  );
});

test("--since returns packages updated since the last tag", async () => {
  collectUpdates.setUpdated(cwd, "package-2", "package-3");

  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--since");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result.map(node => node.name)).toEqual(["package-2", "package-3"]);
});

test("--since <ref> should return packages updated since <ref>", async () => {
  collectUpdates.setUpdated(cwd, "package-1", "package-2", "package-3");

  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--since", "deadbeef");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result.map(node => node.name)).toEqual(["package-1", "package-2", "package-3"]);
  expect(collectUpdates).toHaveBeenLastCalledWith(
    expect.any(Array),
    packageGraph,
    execOpts,
    expect.objectContaining({ since: "deadbeef" })
  );
});

test("--scope package-{2,3,4} --since master", async () => {
  collectUpdates.setUpdated(cwd, "package-4", "package-1");

  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--scope", "package-{2,3,4}", "--since", "master");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result.map(node => node.name)).toEqual(["package-4"]);
  expect(collectUpdates).toHaveBeenLastCalledWith(
    // filter-packages before collect-updates
    [2, 3, 4].map(n => packageGraph.get(`package-${n}`).pkg),
    packageGraph,
    execOpts,
    expect.objectContaining({ since: "master" })
  );
});

test("--include-filtered-dependents", async () => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--scope", "package-1", "--include-filtered-dependents");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result.map(pkg => pkg.name)).toEqual(["package-1", "package-2", "package-5", "package-3"]);
  expect(collectUpdates).not.toHaveBeenCalled();
});

test("--include-filtered-dependencies", async () => {
  const packageGraph = await buildGraph(cwd);
  const execOpts = { cwd };
  const options = parseOptions("--scope", "package-3", "--include-filtered-dependencies");

  const result = await getFilteredPackages(packageGraph, execOpts, options);

  expect(result.map(pkg => pkg.name)).toEqual(["package-3", "package-2", "package-1"]);
  expect(collectUpdates).not.toHaveBeenCalled();
});