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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* Copyright (C) 2022, Simeon Andreev <simeon.danailov.andreev@gmail.com> and others.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.pgm;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.diff.DiffEntry;
import org.eclipse.jgit.lib.CLIRepositoryTestCase;
import org.eclipse.jgit.pgm.opt.CmdLineParser;
import org.eclipse.jgit.pgm.opt.SubcommandHandler;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.treewalk.FileTreeIterator;
import org.eclipse.jgit.treewalk.TreeWalk;
import org.eclipse.jgit.util.SystemReader;
import org.junit.Assume;
import org.junit.Before;
import org.kohsuke.args4j.Argument;
import org.kohsuke.args4j.CmdLineException;
/**
* Base test case for the {@code difftool} and {@code mergetool} commands.
*/
public abstract class ToolTestCase extends CLIRepositoryTestCase {
public static class GitCliJGitWrapperParser {
@Argument(index = 0, metaVar = "metaVar_command", required = true, handler = SubcommandHandler.class)
TextBuiltin subcommand;
@Argument(index = 1, metaVar = "metaVar_arg")
List<String> arguments = new ArrayList<>();
}
protected static final String TOOL_NAME = "some_tool";
private static final String TEST_BRANCH_NAME = "test_branch";
private Git git;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
git = new Git(db);
git.commit().setMessage("initial commit").call();
git.branchCreate().setName(TEST_BRANCH_NAME).call();
}
protected String[] runAndCaptureUsingInitRaw(String... args)
throws Exception {
InputStream inputStream = null; // no input stream
return runAndCaptureUsingInitRaw(inputStream, args);
}
protected String[] runAndCaptureUsingInitRaw(
List<String> expectedErrorOutput, String... args) throws Exception {
InputStream inputStream = null; // no input stream
return runAndCaptureUsingInitRaw(inputStream, expectedErrorOutput,
args);
}
protected String[] runAndCaptureUsingInitRaw(InputStream inputStream,
String... args) throws Exception {
List<String> expectedErrorOutput = Collections.emptyList();
return runAndCaptureUsingInitRaw(inputStream, expectedErrorOutput,
args);
}
protected String[] runAndCaptureUsingInitRaw(InputStream inputStream,
List<String> expectedErrorOutput, String... args)
throws CmdLineException, Exception, IOException {
CLIGitCommand.Result result = new CLIGitCommand.Result();
GitCliJGitWrapperParser bean = new GitCliJGitWrapperParser();
CmdLineParser clp = new CmdLineParser(bean);
clp.parseArgument(args);
TextBuiltin cmd = bean.subcommand;
cmd.initRaw(db, null, inputStream, result.out, result.err);
cmd.execute(bean.arguments.toArray(new String[bean.arguments.size()]));
if (cmd.getOutputWriter() != null) {
cmd.getOutputWriter().flush();
}
if (cmd.getErrorWriter() != null) {
cmd.getErrorWriter().flush();
}
List<String> errLines = result.errLines().stream()
.filter(l -> !l.isBlank()) // we care only about error messages
.collect(Collectors.toList());
assertEquals("Expected no standard error output from tool",
expectedErrorOutput.toString(), errLines.toString());
return result.outLines().toArray(new String[0]);
}
protected String[] createMergeConflict() throws Exception {
// create files on initial branch
git.checkout().setName(TEST_BRANCH_NAME).call();
writeTrashFile("dir1/a", "Hello world a");
writeTrashFile("dir2/b", "Hello world b");
git.add().addFilepattern(".").call();
git.commit().setMessage("files a & b added").call();
// create another branch and change files
git.branchCreate().setName("branch_1").call();
git.checkout().setName("branch_1").call();
writeTrashFile("dir1/a", "Hello world a 1");
writeTrashFile("dir2/b", "Hello world b 1");
git.add().addFilepattern(".").call();
RevCommit commit1 = git.commit()
.setMessage("files a & b modified commit 1").call();
// checkout initial branch
git.checkout().setName(TEST_BRANCH_NAME).call();
// create another branch and change files
git.branchCreate().setName("branch_2").call();
git.checkout().setName("branch_2").call();
writeTrashFile("dir1/a", "Hello world a 2");
writeTrashFile("dir2/b", "Hello world b 2");
git.add().addFilepattern(".").call();
git.commit().setMessage("files a & b modified commit 2").call();
// cherry-pick conflicting changes
git.cherryPick().include(commit1).call();
String[] conflictingFilenames = { "dir1/a", "dir2/b" };
return conflictingFilenames;
}
protected String[] createDeletedConflict() throws Exception {
// create files on initial branch
git.checkout().setName(TEST_BRANCH_NAME).call();
writeTrashFile("dir1/a", "Hello world a");
writeTrashFile("dir2/b", "Hello world b");
git.add().addFilepattern(".").call();
git.commit().setMessage("files a & b added").call();
// create another branch and change files
git.branchCreate().setName("branch_1").call();
git.checkout().setName("branch_1").call();
writeTrashFile("dir1/a", "Hello world a 1");
writeTrashFile("dir2/b", "Hello world b 1");
git.add().addFilepattern(".").call();
RevCommit commit1 = git.commit()
.setMessage("files a & b modified commit 1").call();
// checkout initial branch
git.checkout().setName(TEST_BRANCH_NAME).call();
// create another branch and change files
git.branchCreate().setName("branch_2").call();
git.checkout().setName("branch_2").call();
git.rm().addFilepattern("dir1/a").call();
git.rm().addFilepattern("dir2/b").call();
git.commit().setMessage("files a & b deleted commit 2").call();
// cherry-pick conflicting changes
git.cherryPick().include(commit1).call();
String[] conflictingFilenames = { "dir1/a", "dir2/b" };
return conflictingFilenames;
}
protected String[] createUnstagedChanges() throws Exception {
writeTrashFile("dir1/a", "Hello world a");
writeTrashFile("dir2/b", "Hello world b");
git.add().addFilepattern(".").call();
git.commit().setMessage("files a & b").call();
writeTrashFile("dir1/a", "New Hello world a");
writeTrashFile("dir2/b", "New Hello world b");
String[] conflictingFilenames = { "dir1/a", "dir2/b" };
return conflictingFilenames;
}
protected String[] createStagedChanges() throws Exception {
String[] conflictingFilenames = createUnstagedChanges();
git.add().addFilepattern(".").call();
return conflictingFilenames;
}
protected List<DiffEntry> getRepositoryChanges(RevCommit commit)
throws Exception {
TreeWalk tw = new TreeWalk(db);
tw.addTree(commit.getTree());
FileTreeIterator modifiedTree = new FileTreeIterator(db);
tw.addTree(modifiedTree);
List<DiffEntry> changes = DiffEntry.scan(tw);
return changes;
}
protected Path getFullPath(String repositoryFilename) {
Path dotGitPath = db.getDirectory().toPath();
Path repositoryRoot = dotGitPath.getParent();
Path repositoryFilePath = repositoryRoot.resolve(repositoryFilename);
return repositoryFilePath;
}
protected static InputStream createInputStream(String[] inputLines) {
return createInputStream(Arrays.asList(inputLines));
}
protected static InputStream createInputStream(List<String> inputLines) {
String input = String.join(System.lineSeparator(), inputLines);
InputStream inputStream = new ByteArrayInputStream(input.getBytes());
return inputStream;
}
protected static void assertArrayOfLinesEquals(String failMessage,
String[] expected, String[] actual) {
assertEquals(failMessage, toString(expected), toString(actual));
}
protected static void assertArrayOfMatchingLines(String failMessage,
Pattern[] expected, String[] actual) {
assertEquals(failMessage + System.lineSeparator()
+ "Expected and actual lines count don't match. Expected: "
+ Arrays.asList(expected) + ", actual: "
+ Arrays.asList(actual), expected.length, actual.length);
int n = expected.length;
for (int i = 0; i < n; ++i) {
Pattern expectedPattern = expected[i];
String actualLine = actual[i];
Matcher matcher = expectedPattern.matcher(actualLine);
boolean matches = matcher.matches();
assertTrue(failMessage + System.lineSeparator() + "Line " + i + " '"
+ actualLine + "' doesn't match expected pattern: "
+ expectedPattern + System.lineSeparator() + "Expected: "
+ Arrays.asList(expected) + ", actual: "
+ Arrays.asList(actual),
matches);
}
}
protected static void assumeLinuxPlatform() {
Assume.assumeTrue("This test can run only in Linux tests",
SystemReader.getInstance().isLinux());
}
}
|
