blob: 1a1d03418e654d5f16f488e40c745a3fa39ac46c [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:convert' show json;
import 'package:file/memory.dart';
import 'package:flutter_tools/src/base/fingerprint.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/base/utils.dart';
import '../../src/common.dart';
void main() {
group('Fingerprinter', () {
MemoryFileSystem fileSystem;
setUp(() {
fileSystem = MemoryFileSystem.test();
});
testWithoutContext('creates fingerprint with specified properties and files', () {
fileSystem.file('a.dart').createSync();
final Fingerprinter fingerprinter = Fingerprinter(
fingerprintPath: 'out.fingerprint',
paths: <String>['a.dart'],
fileSystem: fileSystem,
logger: BufferLogger.test(),
);
final Fingerprint fingerprint = fingerprinter.buildFingerprint();
expect(fingerprint, Fingerprint.fromBuildInputs(const <String>['a.dart'], fileSystem));
});
testWithoutContext('creates fingerprint with file checksums', () {
fileSystem.file('a.dart').createSync();
final Fingerprinter fingerprinter = Fingerprinter(
fingerprintPath: 'out.fingerprint',
paths: <String>['a.dart'],
fileSystem: fileSystem,
logger: BufferLogger.test(),
);
final Fingerprint fingerprint = fingerprinter.buildFingerprint();
expect(fingerprint, Fingerprint.fromBuildInputs(const <String>['a.dart'], fileSystem));
});
testWithoutContext('fingerprint does not match if not present', () {
fileSystem.file('a.dart').createSync();
fileSystem.file('b.dart').createSync();
final Fingerprinter fingerprinter = Fingerprinter(
fingerprintPath: 'out.fingerprint',
paths: <String>['a.dart', 'b.dart'],
fileSystem: fileSystem,
logger: BufferLogger.test(),
);
expect(fingerprinter.doesFingerprintMatch(), isFalse);
});
testWithoutContext('fingerprint does match if identical', () {
fileSystem.file('a.dart').createSync();
fileSystem.file('b.dart').createSync();
final Fingerprinter fingerprinter = Fingerprinter(
fingerprintPath: 'out.fingerprint',
paths: <String>['a.dart', 'b.dart'],
fileSystem: fileSystem,
logger: BufferLogger.test(),
);
fingerprinter.writeFingerprint();
expect(fingerprinter.doesFingerprintMatch(), isTrue);
});
testWithoutContext('fails to write fingerprint if inputs are missing', () {
final Fingerprinter fingerprinter = Fingerprinter(
fingerprintPath: 'out.fingerprint',
paths: <String>['a.dart'],
fileSystem: fileSystem,
logger: BufferLogger.test(),
);
fingerprinter.writeFingerprint();
expect(fileSystem.file('out.fingerprint').existsSync(), isFalse);
});
group('Fingerprint', () {
group('fromBuildInputs', () {
MemoryFileSystem fileSystem;
setUp(() {
fileSystem = MemoryFileSystem.test();
});
testWithoutContext('throws if any input file does not exist', () {
fileSystem.file('a.dart').createSync();
expect(
() => Fingerprint.fromBuildInputs(const <String>['a.dart', 'b.dart'], fileSystem),
throwsException,
);
});
testWithoutContext('populates checksums for valid files', () {
fileSystem.file('a.dart').writeAsStringSync('This is a');
fileSystem.file('b.dart').writeAsStringSync('This is b');
final Fingerprint fingerprint = Fingerprint.fromBuildInputs(const <String>['a.dart', 'b.dart'], fileSystem);
final Map<String, dynamic> jsonObject = castStringKeyedMap(json.decode(fingerprint.toJson()));
expect(jsonObject['files'], hasLength(2));
expect(jsonObject['files']['a.dart'], '8a21a15fad560b799f6731d436c1b698');
expect(jsonObject['files']['b.dart'], '6f144e08b58cd0925328610fad7ac07c');
});
});
group('fromJson', () {
testWithoutContext('throws if JSON is invalid', () {
expect(() => Fingerprint.fromJson('<xml></xml>'), throwsA(anything));
});
testWithoutContext('creates fingerprint from valid JSON', () {
final String jsonString = json.encode(<String, dynamic>{
'files': <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'b.dart': '6f144e08b58cd0925328610fad7ac07c',
},
});
final Fingerprint fingerprint = Fingerprint.fromJson(jsonString);
final Map<String, dynamic> content = castStringKeyedMap(json.decode(fingerprint.toJson()));
expect(content, hasLength(1));
expect(content['files'], hasLength(2));
expect(content['files']['a.dart'], '8a21a15fad560b799f6731d436c1b698');
expect(content['files']['b.dart'], '6f144e08b58cd0925328610fad7ac07c');
});
testWithoutContext('treats missing properties and files entries as if empty', () {
final String jsonString = json.encode(<String, dynamic>{});
expect(Fingerprint.fromJson(jsonString), Fingerprint.fromBuildInputs(const <String>[], fileSystem));
});
});
group('operator ==', () {
testWithoutContext('reports not equal if file checksums do not match', () {
final Map<String, dynamic> a = <String, dynamic>{
'files': <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'b.dart': '6f144e08b58cd0925328610fad7ac07c',
},
};
final Map<String, dynamic> b = Map<String, dynamic>.of(a);
b['files'] = <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'b.dart': '6f144e08b58cd0925328610fad7ac07d',
};
expect(Fingerprint.fromJson(json.encode(a)) == Fingerprint.fromJson(json.encode(b)), isFalse);
});
testWithoutContext('reports not equal if file paths do not match', () {
final Map<String, dynamic> a = <String, dynamic>{
'files': <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'b.dart': '6f144e08b58cd0925328610fad7ac07c',
},
};
final Map<String, dynamic> b = Map<String, dynamic>.of(a);
b['files'] = <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'c.dart': '6f144e08b58cd0925328610fad7ac07d',
};
expect(Fingerprint.fromJson(json.encode(a)) == Fingerprint.fromJson(json.encode(b)), isFalse);
});
testWithoutContext('reports equal if properties and file checksums match', () {
final Map<String, dynamic> a = <String, dynamic>{
'files': <String, dynamic>{
'a.dart': '8a21a15fad560b799f6731d436c1b698',
'b.dart': '6f144e08b58cd0925328610fad7ac07c',
},
};
expect(Fingerprint.fromJson(json.encode(a)) == Fingerprint.fromJson(json.encode(a)), isTrue);
});
});
group('hashCode', () {
testWithoutContext('is consistent with equals, even if map entries are reordered', () {
final Fingerprint a = Fingerprint.fromJson('{"properties":{"a":"A","b":"B"},"files":{}}');
final Fingerprint b = Fingerprint.fromJson('{"properties":{"b":"B","a":"A"},"files":{}}');
expect(a, b);
expect(a.hashCode, b.hashCode);
});
});
});
});
}