assemblyscript/tests/parser.js

var fs = require("fs");
var chalk = require("chalk");
var glob = require("glob");
var diff = require("./util/diff");

require("ts-node").register({ project: require("path").join(__dirname, "..", "src", "tsconfig.json") });
require("../src/glue/js");

var Parser = require("../src/parser").Parser;

var isCreate = process.argv[2] === "--create";
var filter = process.argv.length > 2 && !isCreate ? "*" + process.argv[2] + "*.ts" : "**.ts";

glob.sync(filter, { cwd: __dirname + "/parser" }).forEach(filename => {
  if (filename.charAt(0) == "_" || filename.endsWith(".fixture.ts"))
    return;

  console.log(chalk.default.whiteBright("Testing parser/" + filename));

  var parser = new Parser();
  parser.silentDiagnostics = true;
  var sourceText = fs.readFileSync(__dirname + "/parser/" + filename, { encoding: "utf8" }).replace(/\r?\n/g, "\n").replace(/^\/\/.*\r?\n/mg, "");
  parser.parseFile(sourceText, filename, true);

  var sb = [];
  parser.program.sources[0].serialize(sb);
  var actual = sb.join("") + parser.diagnostics.map(diagnostic => "// " + diagnostic + "\n").join("");;
  var fixture = filename + ".fixture.ts";

  if (isCreate) {
    fs.writeFileSync(__dirname + "/parser/" + fixture, actual, { encoding: "utf8" });
    console.log("Created\n");
  } else {
    var expected = fs.readFileSync(__dirname + "/parser/" + fixture, { encoding: "utf8" });
    var diffs = diff("parser/" + fixture, expected, actual);
    if (diffs !== null) {
      process.exitCode = 1;
      console.log(diffs);
      console.log(chalk.default.red("diff ERROR"));
    } else {
      console.log(chalk.default.green("diff OK"));
    }
  }

  console.log();
});