Add a unit test for PluginInfo

ctrueden · ctrueden · commit 1d690c20ea1e · 2015-10-11T09:03:35.000-05:00
Right now, it just verifies that names are populated correctly. Prompted by exploratory work toward solving imagej/imagej-ops#122.
diff --git a/src/test/java/org/scijava/plugin/PluginInfoTest.java b/src/test/java/org/scijava/plugin/PluginInfoTest.java
@@ -0,0 +1,93 @@
+/*
+ * #%L
+ * SciJava Common shared library for SciJava software.
+ * %%
+ * Copyright (C) 2009 - 2015 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.plugin;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertSame;
+
+import java.util.List;
+
+import org.junit.Test;
+import org.scijava.Context;
+import org.scijava.InstantiableException;
+import org.scijava.Priority;
+
+/**
+ * Tests {@link PluginInfo}.
+ * 
+ * @author Curtis Rueden
+ */
+public class PluginInfoTest {
+
+	@Test
+	public void testNames() throws InstantiableException {
+		final Context context = new Context(true);
+		final PluginIndex pluginIndex = context.getPluginIndex();
+
+		final List<PluginInfo<?>> infos = pluginIndex.get(IceCream.class);
+		assertEquals(3, infos.size());
+
+		assertPlugin(Chocolate.class, IceCream.class, "chocolate", infos.get(0));
+		assertPlugin(Vanilla.class, IceCream.class, "vanilla", infos.get(1));
+		assertPlugin(Flavorless.class, IceCream.class, "", infos.get(2));
+	}
+
+	private void assertPlugin(Class<?> pluginClass, Class<?> pluginType,
+		String name, PluginInfo<?> info) throws InstantiableException
+	{
+		assertSame(pluginClass, info.loadClass());
+		assertSame(pluginType, info.getPluginType());
+		assertEquals(name, info.getName());
+	}
+
+	public static interface IceCream extends SciJavaPlugin {
+		// NB: Marker interface.
+	}
+
+	@Plugin(type = IceCream.class, priority = Priority.VERY_LOW_PRIORITY)
+	public static class Flavorless implements SciJavaPlugin {
+		// NB: No implementation needed.
+	}
+
+	@Plugin(type = IceCream.class, name = "vanilla",
+		priority = Priority.LOW_PRIORITY)
+	public static class Vanilla implements SciJavaPlugin {
+		// NB: No implementation needed.
+	}
+
+	@Plugin(type = IceCream.class, name = "chocolate",
+		priority = Priority.VERY_HIGH_PRIORITY)
+	public static class Chocolate implements IceCream {
+		// NB: No implementation needed.
+	}
+
+}
