Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(475)

Side by Side Diff: tests/standalone/full_coverage_test.dart

Issue 355453002: Reland: Fix tools/full-coverage.dart script and add standalone test. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « no previous file | tests/standalone/standalone.status » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4
5 // These tests fork a second VM process that runs the script
6 // ``tools/full-coverage.dart'' and verifies that the tool
7 // produces the expeced output.
8
9 import 'dart:async';
10 import 'dart:convert';
11 import 'dart:io';
12
13 import 'package:path/path.dart' as path;
14 import 'package:unittest/unittest.dart';
15
16 final String coverageScript = "tools/full-coverage.dart";
17 final String packageRoot = Platform.packageRoot;
18 final List dartBaseArgs = ['--package-root=${packageRoot}', '--checked',];
19
20 // With line numbers starting at 0, the list of hits can be understood as
21 // follows:
22 // * -1: No coverage data on this line.
23 // * 0: No hits on this line.
24 // * 1: ``Some'' hits on this line.
25 final coverageTests = [
26 {
27 'name': 'faculty',
28 'program': '''
29 dummy () {
30 for (int i = 0; i < 100; i++) {
31 print(i);
32 }
33 }
34
35 int fac(int n) {
36 int f = 1;
37 for (int i = 1; i <= n; i++) {
38 f *= i;
39 }
40 return f;
41 }
42
43 main() {
44 if (false) {
45 dummy(11);
46 } else {
47 fac(10);
48 }
49 }
50 ''',
51 'expectedHits': [-1, 0, 0, -1, -1, -1, -1, -1, 1, 1, -1, -1, -1, -1, -1, -1,
52 0, -1, 1, -1, -1]
53 },{
54 'name': 'closures',
55 'program': '''
56 main() {
57 foo(bar) {
58 bar();
59 }
60
61 foo(() {
62 print("in closure");
63 });
64 }
65 ''',
66 'expectedHits': [-1, -1, 1, -1, -1, 1, 1, -1, -1]
67 }
68 ];
69
70
71 String prepareEnv() {
72 Directory testDir = Directory.systemTemp.createTempSync("coverage-");
73 for (var coverageProg in coverageTests) {
74 var coverageProgDir = new Directory(
75 path.join(testDir.path, coverageProg["name"]))
76 ..createSync();
77 var f = new File(path.join(coverageProgDir.path,
78 "${coverageProg['name']}.dart"));
79 f.writeAsStringSync(coverageProg["program"], mode: FileMode.WRITE);
80 }
81 return testDir.path;
82 }
83
84
85 destroyEnv(base) => new Directory(base).deleteSync(recursive: true);
86
87
88 generateCoverage(String workingDirectory) {
89 for (var coverageProg in coverageTests) {
90 var progPath = path.join(workingDirectory, coverageProg['name']);
91 var script = path.join(progPath, "${coverageProg['name']}.dart");
92 var dartArgs = new List.from(dartBaseArgs)
93 ..addAll(['--coverage-dir=${progPath}', '${script}']);
94 var result = Process.runSync(Platform.executable, dartArgs);
95 expect(result.exitCode, 0);
96 }
97 }
98
99
100 Future<Process> convertCoverage(String programDir, String format) {
101 var dartArgs = new List.from(dartBaseArgs)
102 ..addAll([
103 coverageScript,
104 '--package-root=${packageRoot}',
105 '--in=${programDir}',
106 format
107 ]);
108 return Process.start(Platform.executable, dartArgs);
109 }
110
111
112 class PrettyPrintDescriptor {
113 var _programPath;
114 var _validFormat = new RegExp(r"^\s*\d*\|.*$", multiLine: true);
115 var _pattern = new RegExp(r"^\s*(\d+)\|", multiLine: true);
116
117 PrettyPrintDescriptor(this._programPath);
118
119 get sectionStart => _programPath;
120 get sectionEnd => '/';
121 get coverageParameter => '--pretty-print';
122
123 hitData(line) {
124 expect(_validFormat.hasMatch(line), isTrue);
125 var match = _pattern.firstMatch(line);
126 var result = -1;
127 if (match != null) {
128 result = (int.parse(match.group(1)) != 0) ? 1 : 0;
129 }
130 return [result];
131 }
132 }
133
134
135 class LcovDescriptor {
136 var _pattern = new RegExp(r"^DA:(\d+),(\d+)$", multiLine: true);
137 var _programPath;
138 var _line_nr = 0;
139
140 LcovDescriptor(this._programPath);
141
142 get sectionStart => 'SF:${_programPath}';
143 get sectionEnd => 'end_of_record';
144 get coverageParameter => '--lcov';
145
146 hitData(line) {
147 expect(_pattern.hasMatch(line), isTrue);
148 var match = _pattern.firstMatch(line);
149 // Lcov data starts at line 1, we start at 0.
150 var out_line = int.parse(match[1]) - 1;
151 var hitCount = int.parse(match[2]);
152 var result = [];
153 for ( ; _line_nr < out_line; _line_nr++) {
154 result.add(-1);
155 }
156 result.add((hitCount != 0) ? 1 : 0);
157 _line_nr++;
158 return result;
159 }
160 }
161
162
163 Stream filterHitData(input, descriptor) {
164 bool in_program_section = false;
165 return input.where((line) {
166 if (in_program_section) {
167 if (line.startsWith(descriptor.sectionEnd)) {
168 in_program_section = false;
169 return false;
170 }
171 return true;
172 }
173 if (line.startsWith(descriptor.sectionStart)) {
174 in_program_section = true;
175 }
176 return false;
177 }).map((line) {
178 return descriptor.hitData(line);
179 });
180 }
181
182
183 testCoverage(String programDir, String programPath, descriptor,
184 List expectedHitMap) {
185 var p = convertCoverage(programDir, descriptor.coverageParameter);
186 expect(p.then((process) {
187 var hitStream = filterHitData(
188 process.stdout.transform(UTF8.decoder)
189 .transform(const LineSplitter()),
190 descriptor);
191 var hitMap = [];
192 var subscription = hitStream.listen((data) {
193 // Flatten results.
194 data.forEach((e) => hitMap.add(e));
195 });
196 expect(subscription.asFuture().then((_) {
197 hitMap.forEach((e) {
198 expect(e, expectedHitMap.removeAt(0));
199 });
200 // Make sure that there are only lines left that do not contain coverage
201 // data.
202 expectedHitMap.forEach((e) => expect(e, -1));
203 }), completes);
204 }), completes);
205 }
206
207
208 main() {
209 String testingDirectory;
210
211 setUp(() {
212 testingDirectory = prepareEnv();
213 });
214
215 tearDown(() => destroyEnv(testingDirectory));
216
217 test('CoverageTests', () {
218 generateCoverage(testingDirectory);
219
220 coverageTests.forEach((cTest) {
221 String programDir = path.join(testingDirectory, cTest['name']);
222 String programPath = path.join(programDir, "${cTest['name']}.dart");
223 testCoverage(programDir, programPath,
224 new LcovDescriptor(programPath),
225 new List.from(cTest['expectedHits']));
226 testCoverage(programDir, programPath,
227 new PrettyPrintDescriptor(programPath),
228 new List.from(cTest['expectedHits']));
229 });
230 });
231 }
OLDNEW
« no previous file with comments | « no previous file | tests/standalone/standalone.status » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698