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find_messages_test.dart
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find_messages_test.dart
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// 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.
import 'package:intl_translation/extract_messages.dart';
import 'package:intl_translation/src/message_rewriter.dart';
import 'package:test/test.dart';
main() {
group('findMessages denied usages', () {
test('fails with message on non-literal examples Map', () {
final messageExtraction = new MessageExtraction();
findMessages('''
final variable = 'foo';
String message(String string) =>
Intl.select(string, {'foo': 'foo', 'bar': 'bar'},
name: 'message', args: [string], examples: {'string': variable});
''', '', messageExtraction);
expect(messageExtraction.warnings,
anyElement(contains('Examples must be a const Map literal.')));
});
test('fails with message on prefixed expression in interpolation', () {
final messageExtraction = new MessageExtraction();
findMessages(
'String message(object) => Intl.message("\${object.property}");',
'',
messageExtraction);
expect(
messageExtraction.warnings,
anyElement(
contains('Only simple identifiers and Intl.plural/gender/select '
'expressions are allowed in message interpolation '
'expressions')));
});
test('fails on call with name referencing variable name inside a function',
() {
final messageExtraction = new MessageExtraction();
findMessages('''
class MessageTest {
String functionName() {
final String variableName = Intl.message('message string',
name: 'variableName' );
}
}''', '', messageExtraction);
expect(
messageExtraction.warnings,
anyElement(contains('The \'name\' argument for Intl.message '
'must match either the name of the containing function '
'or <ClassName>_<methodName>')));
});
test('fails on referencing a name from listed fields declaration', () {
final messageExtraction = new MessageExtraction();
findMessages('''
class MessageTest {
String first, second = Intl.message('message string',
name: 'first' );
}''', '', messageExtraction);
expect(
messageExtraction.warnings,
anyElement(contains('The \'name\' argument for Intl.message '
'must match either the name of the containing function '
'or <ClassName>_<methodName>')));
});
});
group('findMessages accepted usages', () {
test('succeeds on Intl call from class getter', () {
final messageExtraction = new MessageExtraction();
var messages = findMessages('''
class MessageTest {
String get messageName => Intl.message("message string",
name: 'messageName');
}''', '', messageExtraction);
expect(messages.map((m) => m.name), anyElement(contains('messageName')));
expect(messageExtraction.warnings, isEmpty);
});
test('succeeds on Intl call in top variable declaration', () {
final messageExtraction = new MessageExtraction();
var messages = findMessages(
'List<String> list = [Intl.message("message string", name: "list")];',
'',
messageExtraction);
expect(messages.map((m) => m.name), anyElement(contains('list')));
expect(messageExtraction.warnings, isEmpty);
});
test('succeeds on Intl call in member variable declaration', () {
final messageExtraction = new MessageExtraction();
var messages = findMessages('''
class MessageTest {
final String messageName = Intl.message("message string",
name: 'MessageTest_messageName');
}''', '', messageExtraction);
expect(messages.map((m) => m.name),
anyElement(contains('MessageTest_messageName')));
expect(messageExtraction.warnings, isEmpty);
});
// Note: this type of usage is not recommended.
test('succeeds on Intl call inside a function as variable declaration', () {
final messageExtraction = new MessageExtraction();
var messages = findMessages('''
class MessageTest {
String functionName() {
final String variableName = Intl.message('message string',
name: 'functionName' );
}
}''', '', messageExtraction);
expect(messages.map((m) => m.name), anyElement(contains('functionName')));
expect(messageExtraction.warnings, isEmpty);
});
test('succeeds on list field declaration', () {
final messageExtraction = new MessageExtraction();
var messages = findMessages('''
class MessageTest {
String first, second = Intl.message('message string');
}''', '', messageExtraction);
expect(
messages.map((m) => m.name), anyElement(contains('message string')));
expect(messageExtraction.warnings, isEmpty);
});
test('succeeds on prefixed Intl call', () {
final messageExtraction = new MessageExtraction();
final messages = findMessages('''
class MessageTest {
static final String prefixedMessage = prefix.Intl.message('message');
}
''', '', messageExtraction);
expect(messages.map((m) => m.name), anyElement(contains('message')));
expect(messageExtraction.warnings, isEmpty);
});
});
}