aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/test/java/com/google/devtools/build/lib/testutil/FoundationTestCase.java
blob: f23af18b5cc4bbe615e0fa76995e5520dd9ae555 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
// Copyright 2014 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.testutil;

import static org.junit.Assert.fail;

import com.google.common.eventbus.EventBus;
import com.google.devtools.build.lib.clock.BlazeClock;
import com.google.devtools.build.lib.events.Event;
import com.google.devtools.build.lib.events.EventCollector;
import com.google.devtools.build.lib.events.EventHandler;
import com.google.devtools.build.lib.events.EventKind;
import com.google.devtools.build.lib.events.Reporter;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
import java.util.Set;
import org.junit.After;
import org.junit.Before;

/**
 * A helper class for implementing tests of the "foundation" library.
 */
public abstract class FoundationTestCase {
  protected Path rootDirectory;
  protected Path outputBase;

  // May be overridden by subclasses:
  protected Reporter reporter;
  // The event bus of the reporter
  protected EventBus eventBus;
  protected EventCollector eventCollector;
  protected FileSystem fileSystem;
  protected Scratch scratch;

  /** Returns the Scratch instance for this test case. */
  public Scratch getScratch() {
    return scratch;
  }

  // Individual tests can opt-out of this handler if they expect an error, by
  // calling reporter.removeHandler(failFastHandler).
  protected static final EventHandler failFastHandler =
      new EventHandler() {
        @Override
        public void handle(Event event) {
          if (EventKind.ERRORS.contains(event.getKind())) {
            fail(event.toString());
          }
        }
      };

  protected static final EventHandler printHandler = new EventHandler() {
      @Override
      public void handle(Event event) {
        System.out.println(event);
      }
    };

  @Before
  public final void initializeFileSystemAndDirectories() throws Exception {
    fileSystem = createFileSystem();
    scratch = new Scratch(fileSystem, "/workspace");
    outputBase = scratch.dir("/usr/local/google/_blaze_jrluser/FAKEMD5/");
    rootDirectory = scratch.dir("/workspace");
    scratch.file(rootDirectory.getRelative("WORKSPACE").getPathString());
  }

  @Before
  public final void initializeLogging() throws Exception {
    eventCollector = new EventCollector(EventKind.ERRORS_WARNINGS_AND_INFO);
    eventBus = new EventBus();
    reporter = new Reporter(eventBus, eventCollector);
    reporter.addHandler(failFastHandler);
  }

  @After
  public final void clearInterrupts() throws Exception {
    Thread.interrupted(); // Clear any interrupt pending against this thread,
                          // so that we don't cause later tests to fail.
  }

  /**
   * Creates the file system; override to inject FS behavior.
   */
  protected FileSystem createFileSystem() {
    return new InMemoryFileSystem(BlazeClock.instance());
  }

  // Mix-in assertions:

  protected void assertNoEvents() {
    MoreAsserts.assertNoEvents(eventCollector);
  }

  protected Event assertContainsEvent(String expectedMessage) {
    return MoreAsserts.assertContainsEvent(eventCollector,
                                              expectedMessage);
  }

  protected Event assertContainsEvent(String expectedMessage, Set<EventKind> kinds) {
    return MoreAsserts.assertContainsEvent(eventCollector,
                                              expectedMessage,
                                              kinds);
  }

  protected void assertContainsEventWithFrequency(String expectedMessage,
      int expectedFrequency) {
    MoreAsserts.assertContainsEventWithFrequency(eventCollector, expectedMessage,
        expectedFrequency);
  }

  protected void assertDoesNotContainEvent(String expectedMessage) {
    MoreAsserts.assertDoesNotContainEvent(eventCollector,
                                             expectedMessage);
  }

  protected Event assertContainsEventWithWordsInQuotes(String... words) {
    return MoreAsserts.assertContainsEventWithWordsInQuotes(
        eventCollector, words);
  }

  protected void assertContainsEventsInOrder(String... expectedMessages) {
    MoreAsserts.assertContainsEventsInOrder(eventCollector, expectedMessages);
  }

  protected void writeBuildFileForJavaToolchain() throws Exception  {
    scratch.file("java/com/google/test/turbine_canary_deploy.jar");
    scratch.file("java/com/google/test/tzdata.jar");
    scratch.overwriteFile(
        "java/com/google/test/BUILD",
        "java_toolchain(name = 'toolchain',",
        "    source_version = '6',",
        "    target_version = '6',",
        "    bootclasspath = ['rt.jar'],",
        "    extclasspath = ['ext/lib.jar'],",
        "    encoding = 'ISO-8859-1',",
        "    xlint = ['toto'],",
        "    misc = ['-Xmaxerrs 500'],",
        "    compatible_javacopts = {",
        "        'appengine': ['-XDappengineCompatible'],",
        "        'android': ['-XDandroidCompatible'],",
        "    },",
        "    javac = [':javac_canary.jar'],",
        "    javabuilder = [':JavaBuilderCanary_deploy.jar'],",
        "    header_compiler = [':turbine_canary_deploy.jar'],",
        "    singlejar = ['SingleJar_deploy.jar'],",
        "    ijar = ['ijar'],",
        "    genclass = ['GenClass_deploy.jar'],",
        "    timezone_data = 'tzdata.jar',",
        ")"
    );
  }
}