test/loader_file_test.dart

// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

@TestOn("vm")

import "dart:convert";
import "dart:io";

import "package:resource/resource.dart";
import "package:test/test.dart";

const content = "Rødgrød med fløde";

main() {
  var dir;
  int dirCounter = 0;
  setUp(() {
    dir = Directory.systemTemp.createTempSync('testdir${dirCounter++}');
  });
  testFile(Encoding encoding) {
    group("${encoding.name}", () {
      var file;
      var uri;
      setUp(() {
        var dirUri = dir.uri;
        uri = dirUri.resolve("file.txt");
        file = new File.fromUri(uri);
        file.writeAsBytesSync(encoding.encode(content));
      });

      test("read string", () async {
        var loader = ResourceLoader.defaultLoader;
        String string = await loader.readAsString(uri, encoding: encoding);
        expect(string, content);
      });

      test("read bytes", () async {
        var loader = ResourceLoader.defaultLoader;
        List<int> bytes = await loader.readAsBytes(uri);
        expect(bytes, encoding.encode(content));
      });

      test("read byte stream", () async {
        var loader = ResourceLoader.defaultLoader;
        var bytes = loader.openRead(uri);
        var buffer = [];
        await bytes.forEach(buffer.addAll);
        expect(buffer, encoding.encode(content));
      });

      tearDown(() {
        file.deleteSync();
      });
    });
  }

  testFile(latin1);
  testFile(utf8);

  tearDown(() {
    dir.delete(recursive: true);
  });
}