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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/*******************************************************************************
* Copyright (c) 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - implementation
*******************************************************************************/
package org.eclipse.compare.tests;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.List;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.eclipse.compare.internal.Utilities;
import org.eclipse.compare.internal.core.patch.FileDiffResult;
import org.eclipse.compare.internal.core.patch.FilePatch2;
import org.eclipse.compare.internal.core.patch.LineReader;
import org.eclipse.compare.internal.patch.WorkspacePatcher;
import org.eclipse.compare.patch.ApplyPatchOperation;
import org.eclipse.compare.patch.IFilePatch;
import org.eclipse.compare.patch.IFilePatchResult;
import org.eclipse.compare.patch.PatchConfiguration;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.osgi.framework.Bundle;
public abstract class AbstractPatchTest extends TestCase {
public AbstractPatchTest() {
super();
}
public AbstractPatchTest(String name) {
super(name);
}
class StringStorage implements IStorage {
String fileName;
public StringStorage(String old) {
fileName = old;
}
public Object getAdapter(Class adapter) {
return null;
}
public boolean isReadOnly() {
return false;
}
public String getName() {
return fileName;
}
public IPath getFullPath() {
return null;
}
public InputStream getContents() throws CoreException {
return new BufferedInputStream(asInputStream(fileName));
}
}
class FileStorage implements IStorage {
File file;
public FileStorage(File file) {
this.file = file;
}
public InputStream getContents() throws CoreException {
try {
return new FileInputStream(file);
} catch (FileNotFoundException e) {
// ignore, should never happen
}
return null;
}
public IPath getFullPath() {
return new Path(file.getAbsolutePath());
}
public String getName() {
return file.getName();
}
public boolean isReadOnly() {
return true;
}
public Object getAdapter(Class adapter) {
return null;
}
}
protected abstract String getWorkingFolder();
protected BufferedReader getReader(String name) {
InputStream resourceAsStream = asInputStream(name);
InputStreamReader reader2 = new InputStreamReader(resourceAsStream);
return new BufferedReader(reader2);
}
protected InputStream asInputStream(String name) {
IPath path = new Path(getWorkingFolder()).append(name);
try {
URL url = new URL(getBundle().getEntry("/"), path.toString());
return url.openStream();
} catch (IOException e) {
fail("Failed while reading " + name);
return null; // never reached
}
}
protected void patch(final String old, String patch, String expt)
throws CoreException, IOException {
patcherPatch(old, patch, expt);
filePatch(old, patch, expt);
}
void filePatch(final String old, String patch, String expt)
throws CoreException, IOException {
LineReader lr = new LineReader(getReader(expt));
List inLines = lr.readLines();
String expected = LineReader.createString(false, inLines);
IStorage oldStorage = new StringStorage(old);
IStorage patchStorage = new StringStorage(patch);
IFilePatch[] patches = ApplyPatchOperation.parsePatch(patchStorage);
assertTrue(patches.length == 1);
IFilePatchResult result = patches[0].apply(oldStorage,
new PatchConfiguration(), null);
assertTrue(result.hasMatches());
assertFalse(result.hasRejects());
InputStream actualStream = result.getPatchedContents();
String actual = asString(actualStream);
assertEquals(expected, actual);
}
protected String asString(InputStream exptStream) throws IOException {
return Utilities.readString(exptStream, ResourcesPlugin.getEncoding());
}
void patcherPatch(String old, String patch, String expt) {
LineReader lr = new LineReader(getReader(old));
List inLines = lr.readLines();
WorkspacePatcher patcher = new WorkspacePatcher();
try {
patcher.parse(getReader(patch));
} catch (IOException e) {
e.printStackTrace();
}
FilePatch2[] diffs = patcher.getDiffs();
Assert.assertEquals(diffs.length, 1);
FileDiffResult diffResult = patcher.getDiffResult(diffs[0]);
diffResult.patch(inLines, null);
LineReader expectedContents = new LineReader(getReader(expt));
List expectedLines = expectedContents.readLines();
Object[] expected = expectedLines.toArray();
Object[] result = inLines.toArray();
Assert.assertEquals(expected.length, result.length);
for (int i = 0; i < expected.length; i++)
Assert.assertEquals(expected[i], result[i]);
}
protected Bundle getBundle() {
return CompareTestPlugin.getDefault().getBundle();
}
}
|
