2017-01-10 20:18:22 +03:00
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"use strict";
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2017-04-12 23:41:51 +03:00
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2017-03-25 18:10:17 +03:00
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const fs = require("fs");
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2017-05-08 15:57:19 +03:00
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const extname = require("path").extname;
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2017-01-12 18:09:13 +03:00
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const prettier = require("../");
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2017-03-25 18:10:17 +03:00
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const parser = require("../src/parser");
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2017-05-21 18:13:11 +03:00
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const massageAST = require("../src/clean-ast.js").massageAST;
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2016-12-23 22:31:38 +03:00
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2017-05-09 20:32:01 +03:00
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const AST_COMPARE = process.env["AST_COMPARE"];
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2017-03-25 18:10:17 +03:00
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const VERIFY_ALL_PARSERS = process.env["VERIFY_ALL_PARSERS"] || false;
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2017-04-13 17:08:55 +03:00
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const ALL_PARSERS = process.env["ALL_PARSERS"]
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? JSON.parse(process.env["ALL_PARSERS"])
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2017-03-25 18:10:17 +03:00
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: ["flow", "babylon", "typescript"];
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2016-12-30 08:01:44 +03:00
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2017-03-25 18:10:17 +03:00
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function run_spec(dirname, options, additionalParsers) {
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2016-12-23 22:31:38 +03:00
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fs.readdirSync(dirname).forEach(filename => {
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2017-05-08 15:57:19 +03:00
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const extension = extname(filename);
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if (/^\.[jt]sx?$/.test(extension) && filename !== "jsfmt.spec.js") {
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2017-03-25 18:10:17 +03:00
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const path = dirname + "/" + filename;
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2017-05-09 04:16:35 +03:00
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const mergedOptions = mergeDefaultOptions(options || {});
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2016-12-23 22:31:38 +03:00
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2017-05-09 06:23:51 +03:00
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const source = read(path).replace(/\r\n/g, "\n");
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const output = prettyprint(source, path, mergedOptions);
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test(`${mergedOptions.parser} - ${parser.parser}-verify`, () => {
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expect(raw(source + "~".repeat(80) + "\n" + output)).toMatchSnapshot(
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filename
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);
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});
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2017-03-25 18:10:17 +03:00
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2017-05-09 06:23:51 +03:00
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getParsersToVerify(
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mergedOptions.parser,
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additionalParsers || []
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).forEach(parserName => {
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test(`${filename} - ${parserName}-verify`, () => {
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const verifyOptions = Object.assign(mergedOptions, {
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parser: parserName
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2017-03-25 18:10:17 +03:00
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});
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2017-05-09 06:23:51 +03:00
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const verifyOutput = prettyprint(source, path, verifyOptions);
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expect(output).toEqual(verifyOutput);
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2016-12-23 22:31:38 +03:00
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});
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2017-05-09 06:23:51 +03:00
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});
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2016-12-23 22:31:38 +03:00
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2017-05-09 20:32:01 +03:00
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if (AST_COMPARE) {
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2017-03-25 18:10:17 +03:00
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const source = read(dirname + "/" + filename);
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2017-05-09 04:16:35 +03:00
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const ast = parse(source, mergedOptions);
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const astMassaged = massageAST(ast);
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let ppastMassaged;
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2016-12-27 21:28:04 +03:00
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let pperr = null;
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try {
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2017-05-21 18:13:11 +03:00
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const ppast = parse(
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prettyprint(source, path, mergedOptions),
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mergedOptions
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);
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2017-05-09 04:16:35 +03:00
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ppastMassaged = massageAST(ppast);
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2017-03-25 18:10:17 +03:00
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} catch (e) {
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2016-12-27 21:28:04 +03:00
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pperr = e.stack;
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}
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2017-03-25 18:10:17 +03:00
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test(path + " parse", () => {
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2016-12-27 21:28:04 +03:00
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expect(pperr).toBe(null);
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2017-05-09 04:16:35 +03:00
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expect(ppastMassaged).toBeDefined();
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if (!ast.errors || ast.errors.length === 0) {
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expect(astMassaged).toEqual(ppastMassaged);
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2016-12-30 08:01:44 +03:00
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}
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2016-12-23 22:31:38 +03:00
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});
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}
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}
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});
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}
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global.run_spec = run_spec;
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function stripLocation(ast) {
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if (Array.isArray(ast)) {
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return ast.map(e => stripLocation(e));
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}
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2017-03-25 18:10:17 +03:00
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if (typeof ast === "object") {
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2016-12-23 22:31:38 +03:00
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const newObj = {};
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2017-05-21 22:11:09 +03:00
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for (const key in ast) {
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2017-03-25 18:10:17 +03:00
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if (
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2017-05-21 18:13:11 +03:00
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key === "loc" ||
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key === "range" ||
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key === "raw" ||
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key === "comments"
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2017-03-25 18:10:17 +03:00
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) {
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2016-12-23 22:31:38 +03:00
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continue;
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}
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newObj[key] = stripLocation(ast[key]);
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}
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return newObj;
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}
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return ast;
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}
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2017-05-09 04:16:35 +03:00
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function parse(string, opts) {
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return stripLocation(parser.parse(string, opts));
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2016-12-23 22:31:38 +03:00
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}
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2017-01-13 09:29:59 +03:00
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function prettyprint(src, filename, options) {
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2017-03-25 18:10:17 +03:00
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return prettier.format(
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src,
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Object.assign(
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{
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filename
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},
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options
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)
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);
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2016-12-23 22:31:38 +03:00
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}
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function read(filename) {
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2017-03-25 18:10:17 +03:00
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return fs.readFileSync(filename, "utf8");
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}
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2017-04-12 23:41:51 +03:00
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/**
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* Wraps a string in a marker object that is used by `./raw-serializer.js` to
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* directly print that string in a snapshot without escaping all double quotes.
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* Backticks will still be escaped.
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*/
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function raw(string) {
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if (typeof string !== "string") {
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throw new Error("Raw snapshots have to be strings.");
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}
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return { [Symbol.for("raw")]: string };
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}
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2017-03-25 18:10:17 +03:00
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function mergeDefaultOptions(parserConfig) {
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return Object.assign(
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{
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parser: "flow",
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printWidth: 80
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},
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parserConfig
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);
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}
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function getParsersToVerify(parser, additionalParsers) {
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if (VERIFY_ALL_PARSERS) {
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2017-05-09 03:27:39 +03:00
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return ALL_PARSERS.splice(ALL_PARSERS.indexOf(parser), 1);
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2017-03-25 18:10:17 +03:00
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}
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return additionalParsers;
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2016-12-23 22:31:38 +03:00
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}
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