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// Copyright (c) 2014, 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.
library test.computer.element;
import 'package:analysis_server/src/computer/element.dart';
import 'package:analysis_services/constants.dart';
import 'package:analysis_testing/abstract_context.dart';
import 'package:analysis_testing/reflective_tests.dart';
import 'package:analyzer/src/generated/ast.dart';
import 'package:analyzer/src/generated/element.dart' as engine;
import 'package:analyzer/src/generated/source.dart';
import 'package:analyzer/src/generated/utilities_dart.dart' as engine;
import 'package:unittest/unittest.dart';
main() {
groupSep = ' | ';
runReflectiveTests(ElementTest);
runReflectiveTests(ElementKindTest);
}
class ElementKindTest {
void test_toString() {
expect(ElementKind.CLASS.toString(), 'CLASS');
expect(ElementKind.COMPILATION_UNIT.toString(), 'COMPILATION_UNIT');
}
void test_valueOf() {
expect(ElementKind.valueOf(ElementKind.CLASS.name), ElementKind.CLASS);
expect(
ElementKind.valueOf(ElementKind.CLASS_TYPE_ALIAS.name),
ElementKind.CLASS_TYPE_ALIAS);
expect(
ElementKind.valueOf(ElementKind.COMPILATION_UNIT.name),
ElementKind.COMPILATION_UNIT);
expect(
ElementKind.valueOf(ElementKind.CONSTRUCTOR.name),
ElementKind.CONSTRUCTOR);
expect(ElementKind.valueOf(ElementKind.FIELD.name), ElementKind.FIELD);
expect(
ElementKind.valueOf(ElementKind.FUNCTION.name),
ElementKind.FUNCTION);
expect(
ElementKind.valueOf(ElementKind.FUNCTION_TYPE_ALIAS.name),
ElementKind.FUNCTION_TYPE_ALIAS);
expect(ElementKind.valueOf(ElementKind.GETTER.name), ElementKind.GETTER);
expect(ElementKind.valueOf(ElementKind.LIBRARY.name), ElementKind.LIBRARY);
expect(
ElementKind.valueOf(ElementKind.LOCAL_VARIABLE.name),
ElementKind.LOCAL_VARIABLE);
expect(ElementKind.valueOf(ElementKind.METHOD.name), ElementKind.METHOD);
expect(
ElementKind.valueOf(ElementKind.PARAMETER.name),
ElementKind.PARAMETER);
expect(ElementKind.valueOf(ElementKind.SETTER.name), ElementKind.SETTER);
expect(
ElementKind.valueOf(ElementKind.TOP_LEVEL_VARIABLE.name),
ElementKind.TOP_LEVEL_VARIABLE);
expect(
ElementKind.valueOf(ElementKind.TYPE_PARAMETER.name),
ElementKind.TYPE_PARAMETER);
expect(
ElementKind.valueOf(ElementKind.UNIT_TEST_CASE.name),
ElementKind.UNIT_TEST_CASE);
expect(
ElementKind.valueOf(ElementKind.UNIT_TEST_GROUP.name),
ElementKind.UNIT_TEST_GROUP);
expect(ElementKind.valueOf(ElementKind.UNKNOWN.name), ElementKind.UNKNOWN);
expect(() {
ElementKind.valueOf('no-such-kind');
}, throws);
}
void test_valueOfEngine() {
expect(
ElementKind.valueOfEngine(engine.ElementKind.CLASS),
ElementKind.CLASS);
expect(
ElementKind.valueOfEngine(engine.ElementKind.COMPILATION_UNIT),
ElementKind.COMPILATION_UNIT);
expect(
ElementKind.valueOfEngine(engine.ElementKind.CONSTRUCTOR),
ElementKind.CONSTRUCTOR);
expect(
ElementKind.valueOfEngine(engine.ElementKind.FIELD),
ElementKind.FIELD);
expect(
ElementKind.valueOfEngine(engine.ElementKind.FUNCTION),
ElementKind.FUNCTION);
expect(
ElementKind.valueOfEngine(engine.ElementKind.FUNCTION_TYPE_ALIAS),
ElementKind.FUNCTION_TYPE_ALIAS);
expect(
ElementKind.valueOfEngine(engine.ElementKind.GETTER),
ElementKind.GETTER);
expect(
ElementKind.valueOfEngine(engine.ElementKind.LIBRARY),
ElementKind.LIBRARY);
expect(
ElementKind.valueOfEngine(engine.ElementKind.LOCAL_VARIABLE),
ElementKind.LOCAL_VARIABLE);
expect(
ElementKind.valueOfEngine(engine.ElementKind.METHOD),
ElementKind.METHOD);
expect(
ElementKind.valueOfEngine(engine.ElementKind.PARAMETER),
ElementKind.PARAMETER);
expect(
ElementKind.valueOfEngine(engine.ElementKind.SETTER),
ElementKind.SETTER);
expect(
ElementKind.valueOfEngine(engine.ElementKind.TOP_LEVEL_VARIABLE),
ElementKind.TOP_LEVEL_VARIABLE);
expect(
ElementKind.valueOfEngine(engine.ElementKind.TYPE_PARAMETER),
ElementKind.TYPE_PARAMETER);
expect(
ElementKind.valueOfEngine(engine.ElementKind.ANGULAR_COMPONENT),
ElementKind.UNKNOWN);
}
}
@ReflectiveTestCase()
class ElementTest extends AbstractContextTest {
engine.Element findElementInUnit(CompilationUnit unit, String name,
[engine.ElementKind kind]) {
return findChildElement(unit.element, name, kind);
}
void test_fromElement_CLASS() {
Source source = addSource('/test.dart', '''
@deprecated
abstract class _MyClass {}''');
CompilationUnit unit = resolveLibraryUnit(source);
engine.ClassElement engineElement = findElementInUnit(unit, '_MyClass');
// create notification Element
Element element = new Element.fromEngine(engineElement);
expect(element.kind, ElementKind.CLASS);
expect(element.name, '_MyClass');
{
Location location = element.location;
expect(location.file, '/test.dart');
expect(location.offset, 27);
expect(location.length, '_MyClass'.length);
expect(location.startLine, 2);
expect(location.startColumn, 16);
}
expect(
element.flags,
Element.FLAG_ABSTRACT | Element.FLAG_DEPRECATED | Element.FLAG_PRIVATE);
}
void test_fromElement_CONSTRUCTOR() {
Source source = addSource('/test.dart', '''
class A {
const A.myConstructor(int a, [String b]);
}''');
CompilationUnit unit = resolveLibraryUnit(source);
engine.ConstructorElement engineElement =
findElementInUnit(unit, 'myConstructor');
// create notification Element
Element element = new Element.fromEngine(engineElement);
expect(element.kind, ElementKind.CONSTRUCTOR);
expect(element.name, 'myConstructor');
{
Location location = element.location;
expect(location.file, '/test.dart');
expect(location.offset, 20);
expect(location.length, 'myConstructor'.length);
expect(location.startLine, 2);
expect(location.startColumn, 11);
}
expect(element.parameters, '(int a, [String b])');
expect(element.returnType, 'A');
expect(element.flags, Element.FLAG_CONST);
}
void test_fromElement_FIELD() {
Source source = addSource('/test.dart', '''
class A {
static const myField = 42;
}''');
CompilationUnit unit = resolveLibraryUnit(source);
engine.FieldElement engineElement = findElementInUnit(unit, 'myField');
// create notification Element
Element element = new Element.fromEngine(engineElement);
expect(element.kind, ElementKind.FIELD);
expect(element.name, 'myField');
{
Location location = element.location;
expect(location.file, '/test.dart');
expect(location.offset, 25);
expect(location.length, 'myField'.length);
expect(location.startLine, 2);
expect(location.startColumn, 16);
}
expect(element.parameters, isNull);
expect(element.returnType, isNull);
expect(element.flags, Element.FLAG_CONST | Element.FLAG_STATIC);
}
void test_fromElement_GETTER() {
Source source = addSource('/test.dart', '''
class A {
String myGetter => 42;
}''');
CompilationUnit unit = resolveLibraryUnit(source);
engine.PropertyAccessorElement engineElement =
findElementInUnit(unit, 'myGetter', engine.ElementKind.GETTER);
// create notification Element
Element element = new Element.fromEngine(engineElement);
expect(element.kind, ElementKind.GETTER);
expect(element.name, 'myGetter');
{
Location location = element.location;
expect(location.file, '/test.dart');
expect(location.offset, 19);
expect(location.length, 'myGetter'.length);
expect(location.startLine, 2);
expect(location.startColumn, 10);
}
expect(element.parameters, '()');
expect(element.returnType, 'String');
expect(element.flags, 0);
}
void test_fromElement_METHOD() {
Source source = addSource('/test.dart', '''
class A {
static List<String> myMethod(int a, {String b}) {
return null;
}
}''');
CompilationUnit unit = resolveLibraryUnit(source);
engine.MethodElement engineElement = findElementInUnit(unit, 'myMethod');
// create notification Element
Element element = new Element.fromEngine(engineElement);
expect(element.kind, ElementKind.METHOD);
expect(element.name, 'myMethod');
{
Location location = element.location;
expect(location.file, '/test.dart');
expect(location.offset, 32);
expect(location.length, 'myGetter'.length);
expect(location.startLine, 2);
expect(location.startColumn, 23);
}
expect(element.parameters, '(int a, {String b})');
expect(element.returnType, 'List<String>');
expect(element.flags, Element.FLAG_STATIC);
}
void test_fromJson() {
var flags =
Element.FLAG_DEPRECATED |
Element.FLAG_PRIVATE |
Element.FLAG_STATIC;
var json = {
KIND: 'METHOD',
NAME: 'my name',
LOCATION: {
FILE: '/project/file.dart',
OFFSET: 1,
LENGTH: 2,
START_LINE: 3,
START_COLUMN: 4,
},
FLAGS: flags,
PARAMETERS: '(int a, String b)',
RETURN_TYPE: 'List<String>'
};
Element element = new Element.fromJson(json);
expect(element.kind, ElementKind.METHOD);
expect(element.name, 'my name');
{
Location location = element.location;
expect(location.file, '/project/file.dart');
expect(location.offset, 1);
expect(location.length, 2);
expect(location.startLine, 3);
expect(location.startColumn, 4);
}
expect(element.flags, flags);
expect(element.isAbstract, isFalse);
expect(element.isConst, isFalse);
expect(element.isDeprecated, isTrue);
expect(element.isFinal, isFalse);
expect(element.isPrivate, isTrue);
expect(element.isStatic, isTrue);
}
void test_toJson() {
var json = {
KIND: 'METHOD',
NAME: 'my name',
LOCATION: {
FILE: '/project/file.dart',
OFFSET: 1,
LENGTH: 2,
START_LINE: 3,
START_COLUMN: 4,
},
FLAGS: Element.FLAG_DEPRECATED |
Element.FLAG_PRIVATE |
Element.FLAG_STATIC,
PARAMETERS: '(int a, String b)',
RETURN_TYPE: 'List<String>'
};
Element element = new Element.fromJson(json);
expect(element.toJson(), equals(json));
}
}