Add a unit test for makeJar()

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

src/test/java/org/scijava/plugins/scripting/java/MakeJarTest.java

@@ -0,0 +1,72 @@
+/*
+ * #%L
+ * JSR-223-compliant Java scripting language plugin.
+ * %%
+ * Copyright (C) 2008 - 2014 Board of Regents of the University of
+ * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
+ * Institute of Molecular Cell Biology and Genetics.
+ * %%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * #L%
+ */
+
+package org.scijava.plugins.scripting.java;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.Arrays;
+import java.util.Set;
+import java.util.TreeSet;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+import org.junit.Test;
+import org.scijava.util.FileUtils;
+import org.scijava.util.IteratorPlus;
+
+public class MakeJarTest {
+	@Test
+	public void testSingle() throws Exception {
+		final StringWriter writer = new StringWriter();
+		final JavaEngine engine = new JavaEngine();
+		final File file = FileUtils.urlToFile(getClass().getResource("/Dummy.java"));
+		final File output = File.createTempFile("jar-test-", ".jar");
+		engine.makeJar(file, false, output, writer);
+		assertJarEntries(output, "META-INF/MANIFEST.MF",
+				"META-INF/maven/net.imagej/Dummy/pom.xml", "Dummy.class");
+	}
+
+	private void assertJarEntries(File output, String... paths) throws IOException {
+		final Set<String> set = new TreeSet<String>(Arrays.asList(paths));
+		final JarFile jar = new JarFile(output);
+		for (final JarEntry entry : new IteratorPlus<JarEntry>(jar.entries())) {
+			final String path = entry.getName();
+			assertTrue("Unexpected: " + path, set.remove(path));
+		}
+		jar.close();
+		assertEquals("Missing: " + set, 0, set.size());
+	}
+}

src/test/resources/Dummy.java

@@ -0,0 +1,41 @@
+/*
+ * #%L
+ * JSR-223-compliant Java scripting language plugin.
+ * %%
+ * Copyright (C) 2008 - 2014 Board of Regents of the University of
+ * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
+ * Institute of Molecular Cell Biology and Genetics.
+ * %%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * #L%
+ */
+
+/**
+ * Dummy class for testing {@code .jar} file packaging.
+ * 
+ * @author Johannes Schindelin
+ */
+public class Dummy {
+	public static void main(final String... args) {
+		throw new RuntimeException("Civilized people do not execute!");
+	}
+}