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
|
// Copyright 2018 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.sandbox;
import static com.google.common.truth.Truth.assertThat;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.Symlinks;
import java.io.IOException;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Tests for {@link SandboxfsSandboxedSpawn}. */
@RunWith(JUnit4.class)
public class SandboxfsSandboxedSpawnTest extends SandboxTestCase {
private Path workspaceDir;
private Path outerDir;
private SandboxfsProcess sandboxfs;
@Before
public final void setupTestDirs() throws IOException {
workspaceDir = testRoot.getRelative("workspace");
workspaceDir.createDirectory();
outerDir = testRoot.getRelative("scratch");
outerDir.createDirectory();
Path mountPoint = testRoot.getRelative("sandbox");
mountPoint.createDirectory();
sandboxfs = new FakeSandboxfsProcess(
mountPoint.getFileSystem(), mountPoint.asFragment());
}
@Test
public void testCreateFileSystem() throws Exception {
Path helloTxt = workspaceDir.getRelative("hello.txt");
FileSystemUtils.createEmptyFile(helloTxt);
SandboxedSpawn spawn =
new SandboxfsSandboxedSpawn(
sandboxfs,
outerDir,
ImmutableList.of("/bin/true"),
ImmutableMap.of(),
ImmutableMap.of(PathFragment.create("such/input.txt"), helloTxt),
ImmutableSet.of(PathFragment.create("very/output.txt")),
ImmutableSet.of(PathFragment.create("wow/writable")));
spawn.createFileSystem();
Path execRoot = spawn.getSandboxExecRoot();
assertThat(execRoot.getRelative("such/input.txt").isSymbolicLink()).isTrue();
assertThat(execRoot.getRelative("such/input.txt").resolveSymbolicLinks()).isEqualTo(helloTxt);
assertThat(execRoot.getRelative("very").isDirectory()).isTrue();
assertThat(execRoot.getRelative("wow/writable").isDirectory()).isTrue();
}
@Test
public void testDelete() throws Exception {
Path helloTxt = workspaceDir.getRelative("hello.txt");
FileSystemUtils.createEmptyFile(helloTxt);
SandboxedSpawn spawn = new SandboxfsSandboxedSpawn(
sandboxfs,
outerDir,
ImmutableList.of("/bin/true"),
ImmutableMap.of(),
ImmutableMap.of(PathFragment.create("such/input.txt"), helloTxt),
ImmutableSet.of(PathFragment.create("very/output.txt")),
ImmutableSet.of(PathFragment.create("wow/writable")));
spawn.createFileSystem();
Path execRoot = spawn.getSandboxExecRoot();
// Pretend to do some work inside the execRoot.
execRoot.getRelative("tempdir").createDirectory();
FileSystemUtils.createEmptyFile(execRoot.getRelative("very/output.txt"));
FileSystemUtils.createEmptyFile(execRoot.getRelative("wow/writable/temp.txt"));
spawn.delete();
assertThat(execRoot.exists()).isFalse();
}
@Test
public void testCopyOutputs() throws Exception {
// These tests are very simple because we just rely on SandboxedSpawnTest.testMoveOutputs to
// properly verify all corner cases.
PathFragment outputFile = PathFragment.create("very/output.txt");
SandboxedSpawn spawn =
new SandboxfsSandboxedSpawn(
sandboxfs,
outerDir,
ImmutableList.of("/bin/true"),
ImmutableMap.of(),
ImmutableMap.of(),
ImmutableSet.of(outputFile),
ImmutableSet.of());
spawn.createFileSystem();
Path execRoot = spawn.getSandboxExecRoot();
FileSystemUtils.createEmptyFile(execRoot.getRelative(outputFile));
Path outputsDir = testRoot.getRelative("outputs");
outputsDir.getRelative(outputFile.getParentDirectory()).createDirectoryAndParents();
spawn.copyOutputs(outputsDir);
assertThat(outputsDir.getRelative(outputFile).isFile(Symlinks.NOFOLLOW)).isTrue();
}
}
|
