mirror of
https://github.com/denoland/deno.git
synced 2024-11-23 15:16:54 -05:00
360 lines
9 KiB
TypeScript
360 lines
9 KiB
TypeScript
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import { join } from "../fs/path.ts";
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import { EOL } from "../fs/path/constants.ts";
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import { assertEquals } from "../testing/asserts.ts";
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import { test, runIfMain } from "../testing/mod.ts";
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import { xrun } from "./util.ts";
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import { copy, emptyDir } from "../fs/mod.ts";
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const { readAll, execPath } = Deno;
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const decoder = new TextDecoder();
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async function run(
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args: string[]
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): Promise<{ stdout: string; code: number | undefined }> {
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const p = xrun({ args, stdout: "piped" });
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const stdout = decoder.decode(await readAll(p.stdout!));
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const { code } = await p.status();
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return { stdout, code };
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}
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const cmd = [
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execPath(),
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"run",
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"--allow-run",
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"--allow-write",
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"--allow-read",
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"prettier/main.ts"
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];
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const testdata = join("prettier", "testdata");
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function normalizeOutput(output: string): string {
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return output
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.replace(/\r/g, "")
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.replace(/\\/g, "/")
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.trim()
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.split("\n")
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.sort()
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.join("\n");
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}
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function normalizeSourceCode(source: string): string {
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return source.replace(/\r/g, "");
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}
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test(async function testPrettierCheckAndFormatFiles(): Promise<void> {
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const tempDir = await Deno.makeTempDir();
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await copy(testdata, tempDir, { overwrite: true });
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const files = [
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join(tempDir, "0.ts"),
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join(tempDir, "1.js"),
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join(tempDir, "2.ts")
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];
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var { code, stdout } = await run([...cmd, "--check", ...files]);
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assertEquals(code, 1);
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assertEquals(normalizeOutput(stdout), "Some files are not formatted");
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var { code, stdout } = await run([...cmd, "--write", ...files]);
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assertEquals(code, 0);
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assertEquals(
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normalizeOutput(stdout),
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normalizeOutput(`Formatting ${tempDir}/0.ts
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Formatting ${tempDir}/1.js`)
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);
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var { code, stdout } = await run([...cmd, "--check", ...files]);
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assertEquals(code, 0);
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assertEquals(normalizeOutput(stdout), "Every file is formatted");
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emptyDir(tempDir);
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});
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test(async function testPrettierCheckAndFormatDirs(): Promise<void> {
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const tempDir = await Deno.makeTempDir();
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await copy(testdata, tempDir, { overwrite: true });
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const dirs = [join(tempDir, "foo"), join(tempDir, "bar")];
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var { code, stdout } = await run([...cmd, "--check", ...dirs]);
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assertEquals(code, 1);
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assertEquals(normalizeOutput(stdout), "Some files are not formatted");
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var { code, stdout } = await run([...cmd, "--write", ...dirs]);
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assertEquals(code, 0);
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assertEquals(
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normalizeOutput(stdout),
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normalizeOutput(`Formatting ${tempDir}/bar/0.ts
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Formatting ${tempDir}/bar/1.js
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Formatting ${tempDir}/foo/0.ts
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Formatting ${tempDir}/foo/1.js`)
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);
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var { code, stdout } = await run([...cmd, "--check", ...dirs]);
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assertEquals(code, 0);
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assertEquals(normalizeOutput(stdout), "Every file is formatted");
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emptyDir(tempDir);
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});
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test(async function testPrettierOptions(): Promise<void> {
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const tempDir = await Deno.makeTempDir();
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await copy(testdata, tempDir, { overwrite: true });
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const file0 = join(tempDir, "opts", "0.ts");
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const file1 = join(tempDir, "opts", "1.ts");
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const file2 = join(tempDir, "opts", "2.ts");
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const file3 = join(tempDir, "opts", "3.md");
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const getSourceCode = async (f: string): Promise<string> =>
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decoder.decode(await Deno.readFile(f));
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await run([...cmd, "--no-semi", "--write", file0]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file0)),
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`console.log(0)
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console.log([function foo() {}, function baz() {}, a => {}])
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`
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);
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await run([
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...cmd,
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"--print-width",
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"30",
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"--tab-width",
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"4",
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"--write",
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file0
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]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file0)),
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`console.log(0);
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console.log([
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function foo() {},
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function baz() {},
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a => {}
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]);
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`
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);
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await run([...cmd, "--print-width", "30", "--use-tabs", "--write", file0]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file0)),
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`console.log(0);
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console.log([
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function foo() {},
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function baz() {},
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a => {}
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]);
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`
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);
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await run([...cmd, "--single-quote", "--write", file1]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file1)),
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`console.log('1');
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`
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);
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await run([
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...cmd,
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"--print-width",
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"30",
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"--trailing-comma",
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"all",
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"--write",
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file0
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]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file0)),
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`console.log(0);
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console.log([
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function foo() {},
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function baz() {},
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a => {},
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]);
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`
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);
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await run([...cmd, "--no-bracket-spacing", "--write", file2]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file2)),
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`console.log({a: 1});
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`
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);
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await run([...cmd, "--arrow-parens", "always", "--write", file0]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file0)),
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`console.log(0);
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console.log([function foo() {}, function baz() {}, (a) => {}]);
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`
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);
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await run([...cmd, "--prose-wrap", "always", "--write", file3]);
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assertEquals(
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normalizeSourceCode(await getSourceCode(file3)),
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"Lorem ipsum dolor sit amet, consectetur adipiscing elit, " +
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"sed do eiusmod tempor" +
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"\nincididunt ut labore et dolore magna aliqua.\n"
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);
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await run([...cmd, "--end-of-line", "crlf", "--write", file2]);
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assertEquals(await getSourceCode(file2), "console.log({ a: 1 });\r\n");
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emptyDir(tempDir);
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});
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test(async function testPrettierPrintToStdout(): Promise<void> {
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const tempDir = await Deno.makeTempDir();
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await copy(testdata, tempDir, { overwrite: true });
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const file0 = join(tempDir, "0.ts");
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const file1 = join(tempDir, "formatted.ts");
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const getSourceCode = async (f: string): Promise<string> =>
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decoder.decode(await Deno.readFile(f));
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const { stdout } = await run([...cmd, file0]);
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// The source file will not change without `--write` flags.
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assertEquals(await getSourceCode(file0), "console.log (0)" + EOL);
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// The output should be formatted code.
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assertEquals(stdout, "console.log(0);" + EOL);
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const { stdout: formattedCode } = await run([...cmd, file1]);
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// The source file will not change without `--write` flags.
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assertEquals(await getSourceCode(file1), "console.log(0);" + EOL);
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// The output will be formatted code even it is the same as the source file's
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// content.
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assertEquals(formattedCode, "console.log(0);" + EOL);
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emptyDir(tempDir);
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});
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test(async function testPrettierReadFromStdin(): Promise<void> {
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interface TestCase {
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stdin: string;
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stdout: string;
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stderr: string;
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code: number;
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success: boolean;
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parser?: string;
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}
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async function readFromStdinAssertion(
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stdin: string,
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expectedStdout: string,
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expectedStderr: string,
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expectedCode: number,
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expectedSuccess: boolean,
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parser?: string
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): Promise<void> {
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const inputCode = stdin;
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const p1 = Deno.run({
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args: [execPath(), "./prettier/testdata/echox.ts", `${inputCode}`],
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stdout: "piped"
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});
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const p2 = Deno.run({
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args: [
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execPath(),
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"run",
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"./prettier/main.ts",
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"--stdin",
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...(parser ? ["--stdin-parser", parser] : [])
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],
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stdin: "piped",
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stdout: "piped",
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stderr: "piped"
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});
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const n = await Deno.copy(p2.stdin!, p1.stdout!);
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assertEquals(n, new TextEncoder().encode(stdin).length);
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const status1 = await p1.status();
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assertEquals(status1.code, 0);
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assertEquals(status1.success, true);
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p2.stdin!.close();
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const status2 = await p2.status();
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assertEquals(status2.code, expectedCode);
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assertEquals(status2.success, expectedSuccess);
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const decoder = new TextDecoder("utf-8");
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assertEquals(
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decoder.decode(await Deno.readAll(p2.stdout!)),
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expectedStdout
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);
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assertEquals(
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decoder.decode(await Deno.readAll(p2.stderr!)).split(EOL)[0],
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expectedStderr
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);
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p2.close();
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p1.close();
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}
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const testCases: TestCase[] = [
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{
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stdin: `console.log("abc" )`,
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stdout: `console.log("abc");\n`,
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stderr: ``,
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code: 0,
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success: true
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},
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{
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stdin: `console.log("abc" )`,
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stdout: `console.log("abc");\n`,
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stderr: ``,
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code: 0,
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success: true,
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parser: "babel"
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},
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{
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stdin: `{\"a\":\"b\"}`,
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stdout: `{ "a": "b" }\n`,
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stderr: ``,
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code: 0,
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success: true,
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parser: "json"
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},
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{
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stdin: `## test`,
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stdout: `## test\n`,
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stderr: ``,
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code: 0,
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success: true,
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parser: "markdown"
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},
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{
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stdin: `invalid typescript code##!!@@`,
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stdout: ``,
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stderr: `SyntaxError: ';' expected. (1:9)`,
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code: 1,
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success: false
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},
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{
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stdin: `console.log("foo");`,
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stdout: ``,
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stderr:
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'Error: Couldn\'t resolve parser "invalid_parser". ' +
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"Parsers must be explicitly added to the standalone bundle.",
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code: 1,
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success: false,
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parser: "invalid_parser"
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}
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];
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for (const t of testCases) {
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await readFromStdinAssertion(
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t.stdin,
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t.stdout,
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t.stderr,
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t.code,
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t.success,
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t.parser
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);
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}
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});
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runIfMain(import.meta);
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