Brian Wilkerson
71d4e1478e
Change-Id: I801970b4b88b883b2219badcefb7e1c84517d592 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/297780 Reviewed-by: Konstantin Shcheglov <scheglov@google.com> Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
97 lines
3.2 KiB
Dart
97 lines
3.2 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:analyzer/dart/analysis/results.dart';
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import 'package:analyzer/dart/ast/ast.dart';
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import 'package:analyzer/dart/element/element.dart';
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import 'package:analyzer/error/error.dart';
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import 'package:analyzer/file_system/file_system.dart';
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import 'package:analyzer/src/error/codes.g.dart';
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import 'package:analyzer/src/test_utilities/find_element.dart';
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import 'package:analyzer/src/test_utilities/find_node.dart';
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import 'package:analyzer/src/test_utilities/platform.dart';
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import 'package:test/test.dart';
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import 'abstract_context.dart';
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class AbstractSingleUnitTest extends AbstractContextTest {
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bool verifyNoTestUnitErrors = true;
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/// Whether to rewrite line endings in test code based on platform.
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bool useLineEndingsForPlatform = false;
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late String testCode;
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late String testFile;
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late ResolvedUnitResult testAnalysisResult;
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late CompilationUnit testUnit;
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late CompilationUnitElement testUnitElement;
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late LibraryElement testLibraryElement;
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late FindNode findNode;
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late FindElement findElement;
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void addTestSource(String code) {
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code = normalizeSource(code);
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testCode = code;
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newFile(testFile, code);
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}
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int findEnd(String search) {
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return findOffset(search) + search.length;
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}
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int findOffset(String search) {
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var offset = testCode.indexOf(search);
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expect(offset, isNonNegative, reason: "Not found '$search' in\n$testCode");
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return offset;
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}
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@override
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File newFile(String path, String content) {
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content = normalizeSource(content);
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return super.newFile(path, content);
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}
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/// Convenient function to normalize newlines in [code] for the current
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/// platform if [useLineEndingsForPlatform] is `true`.
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String normalizeSource(String code) =>
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useLineEndingsForPlatform ? normalizeNewlinesForPlatform(code) : code;
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Future<void> resolveFile2(String path) async {
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var result = await getResolvedUnit(path);
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testAnalysisResult = result;
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testCode = result.content;
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testUnit = result.unit;
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if (verifyNoTestUnitErrors) {
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expect(result.errors.where((AnalysisError error) {
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return error.errorCode != WarningCode.DEAD_CODE &&
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error.errorCode != WarningCode.UNUSED_CATCH_CLAUSE &&
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error.errorCode != WarningCode.UNUSED_CATCH_STACK &&
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error.errorCode != WarningCode.UNUSED_ELEMENT &&
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error.errorCode != WarningCode.UNUSED_FIELD &&
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error.errorCode != WarningCode.UNUSED_IMPORT &&
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error.errorCode != WarningCode.UNUSED_LOCAL_VARIABLE;
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}), isEmpty);
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}
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testUnitElement = testUnit.declaredElement!;
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testLibraryElement = testUnitElement.library;
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findNode = FindNode(testCode, testUnit);
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findElement = FindElement(testUnit);
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}
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Future<void> resolveTestCode(String code) async {
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addTestSource(code);
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await resolveTestFile();
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}
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Future<void> resolveTestFile() async {
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await resolveFile2(testFile);
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}
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@override
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void setUp() {
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super.setUp();
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testFile = convertPath('$testPackageLibPath/test.dart');
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}
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}
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