blob: 4364582c360c7b1bea9f8803080c83a711da14d9 [file] [log] [blame]
// Copyright (c) 2016, 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.
// SharedOptions=--supermixin
library front_end.test.memory_file_system_test;
import 'dart:convert';
import 'dart:io' as io;
import 'dart:typed_data';
import 'package:front_end/src/api_prototype/file_system.dart'
show FileSystemException;
import 'package:front_end/src/api_prototype/memory_file_system.dart';
import 'package:path/path.dart' as pathos;
import 'package:test/test.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';
main() {
defineReflectiveSuite(() {
defineReflectiveTests(MemoryFileSystemTestNative);
defineReflectiveTests(MemoryFileSystemTestPosix);
defineReflectiveTests(MemoryFileSystemTestWindows);
defineReflectiveTests(FileTest);
});
}
final Matcher _throwsFileSystemException =
throwsA(const TypeMatcher<FileSystemException>());
@reflectiveTest
class FileTest extends _BaseTestNative {
String path;
MemoryFileSystemEntity file;
setUp() {
_baseSetUp();
path = join(tempPath, 'file.txt');
file = entityForPath(path);
}
test_createDirectory_doesNotExist() async {
file.createDirectory();
expect(await file.exists(), true);
}
test_createDirectory_exists_asDirectory() async {
file.createDirectory();
file.createDirectory();
expect(await file.exists(), true);
}
test_createDirectory_exists_asFile() async {
file.writeAsStringSync('');
expect(() => file.createDirectory(), _throwsFileSystemException);
}
test_equals_differentPaths() {
expect(file == entityForPath(join(tempPath, 'file2.txt')), isFalse);
}
test_equals_samePath() {
expect(file == entityForPath(join(tempPath, 'file.txt')), isTrue);
}
test_exists_directory_exists() async {
file.createDirectory();
expect(await file.exists(), true);
}
test_exists_doesNotExist() async {
expect(await file.exists(), false);
}
test_exists_file_exists() async {
file.writeAsStringSync('x');
expect(await file.exists(), true);
}
test_hashCode_samePath() {
expect(file.hashCode, entityForPath(join(tempPath, 'file.txt')).hashCode);
}
test_path() {
expect(file.uri, context.toUri(path));
}
test_readAsBytes_badUtf8() async {
// A file containing invalid UTF-8 can still be read as raw bytes.
List<int> bytes = [0xc0, 0x40]; // Invalid UTF-8
file.writeAsBytesSync(bytes);
expect(await file.readAsBytes(), bytes);
}
test_readAsBytes_doesNotExist() {
expect(file.readAsBytes(), _throwsFileSystemException);
}
test_readAsBytes_exists() async {
var s = 'contents';
file.writeAsStringSync(s);
expect(await file.readAsBytes(), utf8.encode(s));
}
test_readAsString_badUtf8() {
file.writeAsBytesSync([0xc0, 0x40]); // Invalid UTF-8
expect(file.readAsString(), _throwsFileSystemException);
}
test_readAsString_doesNotExist() {
expect(file.readAsString(), _throwsFileSystemException);
}
test_readAsString_exists() async {
var s = 'contents';
file.writeAsStringSync(s);
expect(await file.readAsString(), s);
}
test_readAsString_utf8() async {
file.writeAsBytesSync([0xe2, 0x82, 0xac]); // Unicode € symbol, in UTF-8
expect(await file.readAsString(), '\u20ac');
}
test_writeAsBytesSync_directory() async {
file.createDirectory();
expect(() => file.writeAsBytesSync([0]), _throwsFileSystemException);
}
test_writeAsBytesSync_modifyAfterRead() async {
// For efficiency we do not make defensive copies.
file.writeAsBytesSync([1]);
(await file.readAsBytes())[0] = 2;
expect(await file.readAsBytes(), [2]);
}
test_writeAsBytesSync_modifyAfterWrite_Uint8List() async {
// For efficiency we do not make defensive copies.
var bytes = new Uint8List.fromList([1]);
file.writeAsBytesSync(bytes);
bytes[0] = 2;
expect(await file.readAsBytes(), [2]);
}
test_writeAsBytesSync_modifyAfterWrite() async {
// For efficiency we generally do not make defensive copies, but on the
// other hrand we keep everything as `Uint8List`s internally, so in this
// case a copy is actually made.
var bytes = [1];
file.writeAsBytesSync(bytes);
bytes[0] = 2;
expect(await file.readAsBytes(), [1]);
}
test_writeAsBytesSync_overwrite() async {
file.writeAsBytesSync([1]);
file.writeAsBytesSync([2]);
expect(await file.readAsBytes(), [2]);
}
test_writeAsStringSync_directory() async {
file.createDirectory();
expect(() => file.writeAsStringSync(''), _throwsFileSystemException);
}
test_writeAsStringSync_overwrite() async {
file.writeAsStringSync('first');
file.writeAsStringSync('second');
expect(await file.readAsString(), 'second');
}
test_writeAsStringSync_utf8() async {
file.writeAsStringSync('\u20ac'); // Unicode € symbol
expect(await file.readAsBytes(), [0xe2, 0x82, 0xac]);
}
}
abstract class MemoryFileSystemTestMixin implements _BaseTest {
Uri tempUri;
setUp() {
_baseSetUp();
tempUri = context.toUri(tempPath);
}
test_currentDirectory_trailingSlash() {
// The currentDirectory should already end in a trailing slash.
expect(fileSystem.currentDirectory.path, endsWith('/'));
// A trailing slash should automatically be appended when creating a
// MemoryFileSystem.
var path = fileSystem.currentDirectory.path;
var currentDirectoryWithoutSlash = fileSystem.currentDirectory
.replace(path: path.substring(0, path.length - 1));
expect(new MemoryFileSystem(currentDirectoryWithoutSlash).currentDirectory,
fileSystem.currentDirectory);
// If the currentDirectory supplied to the MemoryFileSystem constructor
// already has a trailing slash, no further trailing slash should be added.
expect(new MemoryFileSystem(fileSystem.currentDirectory).currentDirectory,
fileSystem.currentDirectory);
}
test_entityForPath_absolutize() {
expect(entityForPath('file.txt').uri,
fileSystem.currentDirectory.resolve('file.txt'));
}
test_entityForPath_normalize_dot() {
expect(entityForPath(join(tempPath, '.', 'file.txt')).uri,
Uri.parse('$tempUri/file.txt'));
}
test_entityForPath_normalize_dotDot() {
expect(entityForPath(join(tempPath, 'foo', '..', 'file.txt')).uri,
Uri.parse('$tempUri/file.txt'));
}
test_entityForUri() {
expect(fileSystem.entityForUri(Uri.parse('$tempUri/file.txt')).uri,
Uri.parse('$tempUri/file.txt'));
}
test_entityForUri_fileUri_relative() {
// A weird quirk of the Uri class is that it doesn't seem possible to create
// a `file:` uri with a relative path, no matter how many slashes you use or
// if you populate the fields directly. But just to be certain, try to do
// so, and make that `file:` uris with relative paths are rejected.
for (var uri in <Uri>[
new Uri(scheme: 'file', path: 'file.txt'),
Uri.parse('file:file.txt'),
Uri.parse('file:/file.txt'),
Uri.parse('file://file.txt'),
Uri.parse('file:///file.txt')
]) {
if (!uri.path.startsWith('/')) {
expect(() => fileSystem.entityForUri(uri),
throwsA(const TypeMatcher<Error>()));
}
}
}
test_entityForUri_nonFileUri() {
var uri = Uri.parse('package:foo/bar.dart');
expect(fileSystem.entityForUri(uri).uri, uri);
}
test_entityForUri_normalize_dot() {
expect(fileSystem.entityForUri(Uri.parse('$tempUri/./file.txt')).uri,
Uri.parse('$tempUri/file.txt'));
}
test_entityForUri_normalize_dotDot() {
expect(fileSystem.entityForUri(Uri.parse('$tempUri/foo/../file.txt')).uri,
Uri.parse('$tempUri/file.txt'));
}
}
@reflectiveTest
class MemoryFileSystemTestNative extends _BaseTestNative
with MemoryFileSystemTestMixin {}
@reflectiveTest
class MemoryFileSystemTestPosix extends _BaseTestPosix
with MemoryFileSystemTestMixin {}
@reflectiveTest
class MemoryFileSystemTestWindows extends _BaseTestWindows
with MemoryFileSystemTestMixin {}
abstract class _BaseTest {
pathos.Context get context;
MemoryFileSystem get fileSystem;
String get tempPath;
MemoryFileSystemEntity entityForPath(String path) =>
fileSystem.entityForUri(context.toUri(path));
String join(String path1, String path2, [String path3, String path4]);
void _baseSetUp();
}
class _BaseTestNative extends _BaseTest {
final pathos.Context context = pathos.context;
MemoryFileSystem fileSystem;
String tempPath;
String join(String path1, String path2, [String path3, String path4]) =>
pathos.join(path1, path2, path3, path4);
_baseSetUp() {
tempPath = pathos.join(io.Directory.systemTemp.path, 'test_file_system');
fileSystem = new MemoryFileSystem(pathos.toUri(io.Directory.current.path));
}
}
class _BaseTestPosix extends _BaseTest {
final pathos.Context context = pathos.posix;
MemoryFileSystem fileSystem;
String tempPath;
String join(String path1, String path2, [String path3, String path4]) =>
pathos.posix.join(path1, path2, path3, path4);
void _baseSetUp() {
tempPath = '/test_file_system';
fileSystem = new MemoryFileSystem(Uri.parse('file:///cwd'));
}
}
class _BaseTestWindows extends _BaseTest {
final pathos.Context context = pathos.windows;
MemoryFileSystem fileSystem;
String tempPath;
String join(String path1, String path2, [String path3, String path4]) =>
pathos.windows.join(path1, path2, path3, path4);
void _baseSetUp() {
tempPath = r'c:\test_file_system';
fileSystem = new MemoryFileSystem(Uri.parse('file:///c:/cwd'));
}
}