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
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.android.apkzlib.zip;
import static org.junit.Assert.assertFalse;
import com.android.apkzlib.utils.ApkZFileTestUtils;
import com.google.common.io.Files;
import java.io.File;
import java.io.IOException;
import javax.annotation.Nonnull;
import org.junit.rules.TemporaryFolder;
/**
* Utility method for zip tests.
*/
class ZipTestUtils {
/**
* Obtains the data of a resource with the given name.
*
* @param rsrcName the resource name inside packaging resource folder
* @return the resource data
* @throws IOException I/O failed
*/
@Nonnull
static byte[] rsrcBytes(@Nonnull String rsrcName) throws IOException {
return ApkZFileTestUtils.getResourceBytes("/testData/packaging/" + rsrcName).read();
}
/**
* Clones a resource to a temporary folder. Generally, resources do not need to be cloned to
* be used. However, in code where there is danger of changing resource files and corrupting
* the source directory, cloning should be done before accessing the resources.
*
* @param rsrcName the resource name
* @param folder the temporary folder
* @return the file that was created with the resource
* @throws IOException failed to clone the resource
*/
static File cloneRsrc(@Nonnull String rsrcName, @Nonnull TemporaryFolder folder)
throws IOException {
String cloneName;
if (rsrcName.contains("/")) {
cloneName = rsrcName.substring(rsrcName.lastIndexOf('/') + 1);
} else {
cloneName = rsrcName;
}
return cloneRsrc(rsrcName, folder, cloneName);
}
/**
* Clones a resource to a temporary folder. Generally, resources do not need to be cloned to
* be used. However, in code where there is danger of changing resource files and corrupting
* the source directory, cloning should be done before accessing the resources.
*
* @param rsrcName the resource name
* @param folder the temporary folder
* @param cloneName the name of the cloned resource that will be created inside the temporary
* folder
* @return the file that was created with the resource
* @throws IOException failed to clone the resource
*/
static File cloneRsrc(
@Nonnull String rsrcName,
@Nonnull TemporaryFolder folder,
@Nonnull String cloneName)
throws IOException {
File result = new File(folder.getRoot(), cloneName);
assertFalse(result.exists());
Files.write(rsrcBytes(rsrcName), result);
return result;
}
}
|
