| // Copyright (c) 2013, 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 frame_test; |
| |
| import 'dart:io'; |
| |
| import 'package:pathos/path.dart' as path; |
| import 'package:stack_trace/src/utils.dart'; |
| import 'package:stack_trace/stack_trace.dart'; |
| import 'package:unittest/unittest.dart'; |
| |
| String getStackFrame() { |
| try { |
| throw ''; |
| } catch (_, stackTrace) { |
| return stackTrace.toString().split("\n").first; |
| } |
| } |
| |
| Frame getCaller([int level]) { |
| if (level == null) return new Frame.caller(); |
| return new Frame.caller(level); |
| } |
| |
| Frame nestedGetCaller(int level) => getCaller(level); |
| |
| void main() { |
| test('parses a stack frame correctly', () { |
| var frame = new Frame.parse("#1 Foo._bar " |
| "(file:///home/nweiz/code/stuff.dart:42:21)"); |
| expect(frame.uri, equals(Uri.parse("file:///home/nweiz/code/stuff.dart"))); |
| expect(frame.line, equals(42)); |
| expect(frame.column, equals(21)); |
| expect(frame.member, equals('Foo._bar')); |
| }); |
| |
| test('parses a real stack frame correctly', () { |
| var frame = new Frame.parse(getStackFrame()); |
| // TODO(nweiz): use URL-style paths when such a thing exists. |
| var builder = new path.Builder(style: path.Style.posix); |
| expect(builder.basename(frame.uri.path), equals('frame_test.dart')); |
| expect(frame.line, equals(16)); |
| expect(frame.column, equals(5)); |
| expect(frame.member, equals('getStackFrame')); |
| }); |
| |
| test('converts "<anonymous closure>" to "<fn>"', () { |
| String parsedMember(String member) => |
| new Frame.parse('#0 $member (foo:0:0)').member; |
| |
| expect(parsedMember('Foo.<anonymous closure>'), equals('Foo.<fn>')); |
| expect(parsedMember('<anonymous closure>.<anonymous closure>.bar'), |
| equals('<fn>.<fn>.bar')); |
| }); |
| |
| test('throws a FormatException for malformed frames', () { |
| expect(() => new Frame.parse(''), throwsFormatException); |
| expect(() => new Frame.parse('#1'), throwsFormatException); |
| expect(() => new Frame.parse('#1 Foo'), throwsFormatException); |
| expect(() => new Frame.parse('#1 Foo (dart:async)'), |
| throwsFormatException); |
| expect(() => new Frame.parse('#1 Foo (dart:async:10)'), |
| throwsFormatException); |
| expect(() => new Frame.parse('#1 (dart:async:10:15)'), |
| throwsFormatException); |
| expect(() => new Frame.parse('Foo (dart:async:10:15)'), |
| throwsFormatException); |
| }); |
| |
| test('only considers dart URIs to be core', () { |
| bool isCore(String library) => |
| new Frame.parse('#0 Foo ($library:0:0)').isCore; |
| |
| expect(isCore('dart:core'), isTrue); |
| expect(isCore('dart:async'), isTrue); |
| expect(isCore('bart:core'), isFalse); |
| expect(isCore('sdart:core'), isFalse); |
| expect(isCore('darty:core'), isFalse); |
| }); |
| |
| group('.caller()', () { |
| test('with no argument returns the parent frame', () { |
| expect(getCaller().member, equals('main.<fn>.<fn>')); |
| }); |
| |
| test('at level 0 returns the current frame', () { |
| expect(getCaller(0).member, equals('getCaller')); |
| }); |
| |
| test('at level 1 returns the current frame', () { |
| expect(getCaller(1).member, equals('main.<fn>.<fn>')); |
| }); |
| |
| test('at level 2 returns the grandparent frame', () { |
| expect(nestedGetCaller(2).member, equals('main.<fn>.<fn>')); |
| }); |
| |
| test('throws an ArgumentError for negative levels', () { |
| expect(() => new Frame.caller(-1), throwsArgumentError); |
| }); |
| }); |
| |
| group('.library', () { |
| test('returns the URI string for non-file URIs', () { |
| expect(new Frame.parse('#0 Foo (dart:async:0:0)').library, |
| equals('dart:async')); |
| expect(new Frame.parse('#0 Foo ' |
| '(http://dartlang.org/stuff/thing.dart:0:0)').library, |
| equals('http://dartlang.org/stuff/thing.dart')); |
| }); |
| |
| test('returns the relative path for file URIs', () { |
| var uri = pathToFileUri(path.join('foo', 'bar.dart')); |
| expect(new Frame.parse('#0 Foo ($uri:0:0)').library, |
| equals(path.join('foo', 'bar.dart'))); |
| }); |
| }); |
| |
| group('.location', () { |
| test('returns the library and line/column numbers for non-core ' |
| 'libraries', () { |
| expect(new Frame.parse('#0 Foo ' |
| '(http://dartlang.org/thing.dart:5:10)').location, |
| equals('http://dartlang.org/thing.dart 5:10')); |
| var uri = pathToFileUri(path.join('foo', 'bar.dart')); |
| expect(new Frame.parse('#0 Foo ($uri:1:2)').location, |
| equals('${path.join('foo', 'bar.dart')} 1:2')); |
| }); |
| |
| test('just returns the library for core libraries', () { |
| expect(new Frame.parse('#0 Foo (dart:core:5:10)').location, |
| equals('dart:core')); |
| expect(new Frame.parse('#0 Foo (dart:async-patch:1:2)').location, |
| equals('dart:async-patch')); |
| }); |
| }); |
| |
| group('.package', () { |
| test('returns null for non-package URIs', () { |
| expect(new Frame.parse('#0 Foo (dart:async:0:0)').package, isNull); |
| expect(new Frame.parse('#0 Foo ' |
| '(http://dartlang.org/stuff/thing.dart:0:0)').package, |
| isNull); |
| }); |
| |
| test('returns the package name for package: URIs', () { |
| expect(new Frame.parse('#0 Foo (package:foo/foo.dart:0:0)').package, |
| equals('foo')); |
| expect(new Frame.parse('#0 Foo (package:foo/zap/bar.dart:0:0)').package, |
| equals('foo')); |
| }); |
| }); |
| |
| group('.toString()', () { |
| test('returns the library and line/column numbers for non-core ' |
| 'libraries', () { |
| expect(new Frame.parse('#0 Foo (http://dartlang.org/thing.dart:5:10)') |
| .toString(), |
| equals('http://dartlang.org/thing.dart 5:10 in Foo')); |
| }); |
| |
| test('just returns the library for core libraries', () { |
| expect(new Frame.parse('#0 Foo (dart:core:5:10)').toString(), |
| equals('dart:core in Foo')); |
| }); |
| |
| test('converts "<anonymous closure>" to "<fn>"', () { |
| expect(new Frame.parse('#0 Foo.<anonymous closure> (dart:core:5:10)') |
| .toString(), |
| equals('dart:core in Foo.<fn>')); |
| }); |
| }); |
| } |