Add some simple tests for the SciJava gateway

These tests fail before the previous commit's improvements.

Author: ctrueden

src/test/java/org/scijava/SciJavaTest.java

@@ -0,0 +1,68 @@
+/*
+ * #%L
+ * SciJava Common shared library for SciJava software.
+ * %%
+ * Copyright (C) 2009 - 2017 Board of Regents of the University of
+ * Wisconsin-Madison, Broad Institute of MIT and Harvard, Max Planck
+ * Institute of Molecular Cell Biology and Genetics, University of
+ * Konstanz, and KNIME GmbH.
+ * %%
+ * 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;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertSame;
+
+import org.junit.Test;
+import org.scijava.plugin.PluginInfo;
+
+/**
+ * Tests {@link SciJava}.
+ * 
+ * @author Curtis Rueden
+ */
+public class SciJavaTest {
+
+	@Test
+	public void testInfo() {
+		final SciJava sj = new SciJava();
+
+		final PluginInfo<?> infoFromObject = sj.getInfo();
+		final PluginInfo<?> infoFromServiceNoType = //
+			sj.plugin().getPlugin(SciJava.class);
+		final PluginInfo<Gateway> infoFromServiceWithType = //
+			sj.plugin().getPlugin(SciJava.class, Gateway.class);
+		assertSame(infoFromServiceNoType, infoFromObject);
+		assertSame(infoFromServiceWithType, infoFromObject);
+
+		assertNotNull(infoFromObject);
+		assertSame(Gateway.class, infoFromObject.getPluginType());
+
+		assertEquals(Priority.NORMAL, sj.getPriority(), 0);
+
+		sj.dispose();
+	}
+}