138 lines
4.7 KiB
JavaScript
138 lines
4.7 KiB
JavaScript
"use strict";
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const path = require("path");
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const fs = require("fs");
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const runPrettier = require("../runPrettier");
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const { projectRoot } = require("../env");
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expect.addSnapshotSerializer(require("../path-serializer"));
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// ESLint-like behavior
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// https://github.com/prettier/prettier/pull/6639#issuecomment-548949954
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//
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// 1. `prettier dir1 dir2` – prettify all files with supported extensions inside `dir1` and `dir2`.
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//
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// 2. `prettier dir1 "dir2/**/*"` – prettify all files with supported extensions inside `dir1`
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// as well as all files matched by the `dir2/**/*` glob.
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// If any of the latter files have unknown extensions – log an error for them. (*)
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//
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// 3. `prettier non-exists-dir "dir2/**/*""` – log an error that `non-exists-dir` resulted in 0 files
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// and prettify all files matched by the `dir2/**/*` glob.
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// If any of the latter files have unknown extensions – log an error for them. (*)
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// (Note: ESLint just prints an error and doesn't process anything.)
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//
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// 4. `prettier . "dir2/**/*"` – prettify all files with supported extensions in `.`
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// and all files matched by the `dir2/**/*` glob.
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// If any of the latter files have unknown extensions – log an error for them. (*)
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//
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// (*) That error ("No parser could be inferred for file") doesn't affect the error code.
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testPatterns("1", ["dir1", "dir2"]);
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testPatterns("1a - with *.foo plugin", [
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"dir1",
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"dir2",
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"--plugin=../../plugins/extensions/plugin",
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]);
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testPatterns("1b - special characters in dir name", ["dir1", "!dir"], {
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stdout: expect.stringMatching(/!dir[/\\]a\.js/),
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});
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testPatterns("1c", ["dir1", "empty"], { status: 2 });
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testPatterns("2", ["dir1", "dir2/**/*"], { status: 1 });
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testPatterns("3", ["nonexistent-dir", "dir2/**/*"], { status: 2 });
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testPatterns("4", [".", "dir2/**/*"], { status: 1 });
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describe("Negative patterns", () => {
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testPatterns("1", ["dir1", "!dir1/nested1"]);
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testPatterns("1a", ["dir1", "!dir1/nested1/*"]);
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testPatterns("2", [".", "!dir1/nested1"]);
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testPatterns("3", [".", "!dir1/nested1/an1.js"]);
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testPatterns("4", ["!nonexistent-dir1 !nonexistent-dir2"], { status: 2 });
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testPatterns("with explicit files", ["dir1/a1.js", "dir2/a2.js", "!dir1/*"], {
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status: 2,
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});
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});
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testPatterns("Exclude yarn.lock when expanding directories", ["."], {
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stdout: expect.not.stringContaining("yarn.lock"),
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});
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const uppercaseRocksPlugin = path.join(
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projectRoot,
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"tests_config/prettier-plugins/prettier-plugin-uppercase-rocks"
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);
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describe("plugins `.`", () => {
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runPrettier("cli/dirs/plugins", [
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".",
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"-l",
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"--plugin",
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uppercaseRocksPlugin,
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]).test({
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write: [],
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stderr: "",
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status: 1,
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});
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});
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describe("plugins `*`", () => {
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runPrettier("cli/dirs/plugins", [
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"*",
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"-l",
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"--plugin",
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uppercaseRocksPlugin,
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]).test({
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write: [],
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status: 1,
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});
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});
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if (path.sep === "/") {
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// Don't use snapshots in these tests as they're conditionally executed on non-Windows only.
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const base = path.resolve(__dirname, "../cli/patterns-dirs");
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// We can't commit these dirs without causing problems on Windows.
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// TODO: these should be moved to a `beforeAll`, but for that to be possible,
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// `runPrettier` should be refactored to use `describe` and `beforeEach` for doing setup.
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fs.mkdirSync(path.resolve(base, "test-a\\"));
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fs.writeFileSync(path.resolve(base, "test-a\\", "test.js"), "x");
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fs.mkdirSync(path.resolve(base, "test-b\\?"));
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fs.writeFileSync(path.resolve(base, "test-b\\?", "test.js"), "x");
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describe("Backslashes in names", () => {
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afterAll(() => {
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fs.unlinkSync(path.resolve(base, "test-a\\", "test.js"));
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fs.rmdirSync(path.resolve(base, "test-a\\"));
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fs.unlinkSync(path.resolve(base, "test-b\\?", "test.js"));
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fs.rmdirSync(path.resolve(base, "test-b\\?"));
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});
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testPatterns("", ["test-a\\/test.js"], { stdout: "test-a\\/test.js\n" });
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testPatterns("", ["test-a\\"], { stdout: "test-a\\/test.js\n" });
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testPatterns("", ["test-a*/*"], { stdout: "test-a\\/test.js\n" });
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testPatterns("", ["test-b\\?/test.js"], { stdout: "test-b\\?/test.js\n" });
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testPatterns("", ["test-b\\?"], { stdout: "test-b\\?/test.js\n" });
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testPatterns("", ["test-b*/*"], { stdout: "test-b\\?/test.js\n" });
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});
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}
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function testPatterns(namePrefix, cliArgs, expected = {}) {
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const testName =
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(namePrefix ? namePrefix + ": " : "") +
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"prettier " +
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cliArgs
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.map((arg) => (/^[\w./=-]+$/.test(arg) ? arg : `'${arg}'`))
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.join(" ");
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describe(testName, () => {
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runPrettier("cli/patterns-dirs", [...cliArgs, "-l"]).test({
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write: [],
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...(!("status" in expected) && { stderr: "", status: 1 }),
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...expected,
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});
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});
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}
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