blob: 08da999cc6a685190b6052744c14bb31a2ac78d3 [file] [log] [blame]
// Copyright (c) 2013, 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:io';
import 'dart:convert';
import 'package:path/path.dart' as p;
import 'package:test/test.dart';
import 'package:test_descriptor/test_descriptor.dart' as d;
import 'utils.dart';
void main() {
group("create()", () {
test('creates a text file', () async {
await d.file('name.txt', 'contents').create();
expect(new File(p.join(d.sandbox, 'name.txt')).readAsString(),
completion(equals('contents')));
});
test('creates a binary file', () async {
await d.file('name.txt', [0, 1, 2, 3]).create();
expect(new File(p.join(d.sandbox, 'name.txt')).readAsBytes(),
completion(equals([0, 1, 2, 3])));
});
test('fails to create a matcher file', () async {
expect(d.file('name.txt', contains('foo')).create(),
throwsUnsupportedError);
});
test('overwrites an existing file', () async {
await d.file('name.txt', 'contents1').create();
await d.file('name.txt', 'contents2').create();
expect(new File(p.join(d.sandbox, 'name.txt')).readAsString(),
completion(equals('contents2')));
});
});
group("validate()", () {
test('succeeds if the filesystem matches a text descriptor', () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsString('contents');
await d.file('name.txt', 'contents').validate();
});
test('succeeds if the filesystem matches a binary descriptor', () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsBytes([0, 1, 2, 3]);
await d.file('name.txt', [0, 1, 2, 3]).validate();
});
test('succeeds if the filesystem matches a text matcher', () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsString('contents');
await d.file('name.txt', contains('ent')).validate();
});
test('succeeds if the filesystem matches a binary matcher', () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsBytes([0, 1, 2, 3]);
await new d.FileDescriptor.binaryMatcher('name.txt', contains(2))
.validate();
});
test("fails if the text contents don't match", () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsString('wrong');
expect(d.file('name.txt', 'contents').validate(),
throwsA(toString(startsWith('File "name.txt" should contain:'))));
});
test("fails if the binary contents don't match", () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsBytes([5, 4, 3, 2]);
expect(d.file('name.txt', [0, 1, 2, 3]).validate(),
throwsA(toString(equals(
'File "name.txt" didn\'t contain the expected binary data.'))));
});
test("fails if the text contents don't match the matcher", () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsString('wrong');
expect(d.file('name.txt', contains('ent')).validate(),
throwsA(toString(startsWith(
'Invalid contents for file "name.txt":'))));
});
test("fails if the binary contents don't match the matcher", () async {
await new File(p.join(d.sandbox, 'name.txt')).writeAsBytes([5, 4, 3, 2]);
expect(
new d.FileDescriptor.binaryMatcher('name.txt', contains(1))
.validate(),
throwsA(toString(startsWith(
'Invalid contents for file "name.txt":'))));
});
test("fails if there's no file", () {
expect(d.file('name.txt', 'contents').validate(),
throwsA(toString(equals('File not found: "name.txt".'))));
});
});
group("reading", () {
test("read() returns the contents of a text file as a string", () {
expect(d.file('name.txt', 'contents').read(),
completion(equals('contents')));
});
test("read() returns the contents of a binary file as a string", () {
expect(d.file('name.txt', [0x68, 0x65, 0x6c, 0x6c, 0x6f]).read(),
completion(equals('hello')));
});
test("read() fails for a matcher file", () {
expect(d.file('name.txt', contains('hi')).read,
throwsUnsupportedError);
});
test("readAsBytes() returns the contents of a text file as a byte stream",
() {
expect(UTF8.decodeStream(d.file('name.txt', 'contents').readAsBytes()),
completion(equals('contents')));
});
test("readAsBytes() returns the contents of a binary file as a byte stream",
() {
expect(byteStreamToList(d.file('name.txt', [0, 1, 2, 3]).readAsBytes()),
completion(equals([0, 1, 2, 3])));
});
test("readAsBytes() fails for a matcher file", () {
expect(d.file('name.txt', contains('hi')).readAsBytes,
throwsUnsupportedError);
});
});
}