diff options
Diffstat (limited to 'test/core/src/lombok/RunTestsViaDelombok.java')
-rw-r--r-- | test/core/src/lombok/RunTestsViaDelombok.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/test/core/src/lombok/RunTestsViaDelombok.java b/test/core/src/lombok/RunTestsViaDelombok.java new file mode 100644 index 00000000..f2aedfa3 --- /dev/null +++ b/test/core/src/lombok/RunTestsViaDelombok.java @@ -0,0 +1,123 @@ +/* + * Copyright © 2009 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 static org.junit.Assert.*; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileReader; +import java.io.IOException; +import java.io.StringWriter; +import java.util.ArrayList; +import java.util.List; + +import lombok.delombok.Delombok; + +public class RunTestsViaDelombok { + private static Delombok delombok = new Delombok(); + private static volatile boolean printErrors = false; + + private static final String LINE_SEPARATOR = System.getProperty("line.separator"); + + public static void runComparison(File beforeDir, File afterDir) throws Throwable { + File[] listFiles = beforeDir.listFiles(); + + for (File file : listFiles) { + compareFile(afterDir, file); + } + } + + public static void compareFile(File afterDir, File file) throws Throwable { + delombok.setVerbose(false); + delombok.setForceProcess(true); + delombok.setCharset("UTF-8"); + StringWriter writer = new StringWriter(); + delombok.delombok(file.getAbsolutePath(), writer); + compare(file.getName(), readAfter(afterDir, file), writer.toString()); + } + + public static void printErrors(boolean print) { + printErrors = print; + } + + private static void compare(String name, String expectedFile, String actualFile) throws Throwable { + try { + compareContent(name, expectedFile, actualFile); + } + catch (Throwable e) { + if (printErrors) { + System.out.println("***** " + name + " *****"); + System.out.println(e.getMessage()); + System.out.println("**** Expected ******"); + System.out.println(expectedFile); + System.out.println("**** Actual ******"); + System.out.println(actualFile); + System.out.println("*******************"); + } + throw e; + } + } + + private static void compareContent(String name, String expectedFile, + String actualFile) { + String[] expectedLines = expectedFile.split("(\\r?\\n)"); + String[] actualLines = actualFile.split("(\\r?\\n)"); + if (actualLines[0].startsWith("// Generated by delombok at ")) { + actualLines[0] = ""; + } + expectedLines = removeBlanks(expectedLines); + actualLines = removeBlanks(actualLines); + int size = Math.min(expectedLines.length, actualLines.length); + for (int i = 0; i < size; i++) { + String expected = expectedLines[i]; + String actual = actualLines[i]; + assertEquals(String.format("Difference in %s on line %d", name, i + 1), expected, actual); + } + if (expectedLines.length > actualLines.length) { + fail(String.format("Missing line %d in generated %s: %s", size + 1, name, expectedLines[size])); + } + if (expectedLines.length < actualLines.length) { + fail(String.format("Extra line %d in generated %s: %s", size + 1, name, actualLines[size])); + } + } + + private static String readAfter(File afterDir, File file) throws IOException { + BufferedReader reader = new BufferedReader(new FileReader(new File(afterDir, file.getName()))); + StringBuilder result = new StringBuilder(); + String line; + while ((line = reader.readLine()) != null) { + result.append(line); + result.append(LINE_SEPARATOR); + } + reader.close(); + return result.toString(); + } + + private static String[] removeBlanks(String[] in) { + List<String> out = new ArrayList<String>(); + for (String s : in) { + if (!s.trim().isEmpty()) out.add(s); + } + return out.toArray(new String[0]); + } +}
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