aboutsummaryrefslogtreecommitdiff
path: root/test/core/src/lombok/DirectoryRunner.java
blob: 39e2b792f9409d3ec9ba99ea117ec7fbfcd6ec77 (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
/*
 * Copyright © 2009-2010 Reinier Zwitserloot and Roel Spilker.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package lombok;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileFilter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Map;
import java.util.TreeMap;

import org.junit.runner.Description;
import org.junit.runner.Runner;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunNotifier;

public class DirectoryRunner extends Runner {
	public enum Compiler {
		DELOMBOK, JAVAC, ECJ, ECLIPSE;
	}
	
	public interface TestParams {
		Compiler getCompiler();
		boolean printErrors();
		File getBeforeDirectory();
		File getAfterDirectory();
		File getMessagesDirectory();
	}
	
	private static final FileFilter JAVA_FILE_FILTER = new FileFilter() {
		@Override public boolean accept(File file) {
			return file.isFile() && file.getName().endsWith(".java");
		}
	};
	
	private final Description description;
	private final Map<String, Description> tests = new TreeMap<String, Description>();
	private final Throwable failure;
	private final TestParams params;
	
	public DirectoryRunner(Class<?> testClass) throws Exception {
		description = Description.createSuiteDescription(testClass);
		
		this.params = (TestParams) testClass.newInstance();
		
		Throwable error = null;
		try {
			addTests(testClass);
		}
		catch (Throwable t) {
			error = t;
		}
		this.failure = error;
	}
	
	private void addTests(Class<?> testClass) throws Exception {
		for (File file : params.getBeforeDirectory().listFiles(JAVA_FILE_FILTER)) {
			Description testDescription = Description.createTestDescription(testClass, file.getName());
			description.addChild(testDescription);
			tests.put(file.getName(), testDescription);
		}
	}
	
	@Override
	public Description getDescription() {
		return description;
	}
	
	@Override
	public void run(RunNotifier notifier) {
		if (failure != null) {
			notifier.fireTestStarted(description);
			notifier.fireTestFailure(new Failure(description, failure));
			notifier.fireTestFinished(description);
			return;
		}
		
		for (Map.Entry<String, Description> entry : tests.entrySet()) {
			Description testDescription = entry.getValue();
			notifier.fireTestStarted(testDescription);
			try {
				if (!runTest(entry.getKey())) {
					notifier.fireTestIgnored(testDescription);
				}
			}
			catch (Throwable t) {
				notifier.fireTestFailure(new Failure(testDescription, t));
			}
			notifier.fireTestFinished(testDescription);
		}
	}
	
	private boolean runTest(String fileName) throws Throwable {
		File file = new File(params.getBeforeDirectory(), fileName);
		if (mustIgnore(file)) {
			return false;
		}
		switch (params.getCompiler()) {
		case DELOMBOK:
			return new RunTestsViaDelombok().compareFile(params, file);
		case ECLIPSE:
			return new RunTestsViaEclipse().compareFile(params, file);
		case ECJ:
			return new RunTestsViaEcj().compareFile(params, file);
		default:
		case JAVAC:
			throw new UnsupportedOperationException();
		}
	}
	
	private boolean mustIgnore(File file) throws FileNotFoundException, IOException {
		BufferedReader reader = new BufferedReader(new FileReader(file));
		String line = reader.readLine();
		reader.close();
		return "//ignore".equals(line);
	}
}