test non-working repository code path in RepositoryFactory.getRepository()

Author: Vladimir Kotal

test/org/opensolaris/opengrok/history/RepositoryFactoryTest.java

@@ -0,0 +1,69 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * See LICENSE.txt included in this distribution for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at LICENSE.txt.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ */
+package org.opensolaris.opengrok.history;
+
+import java.io.File;
+import java.lang.reflect.InvocationTargetException;
+import org.junit.AfterClass;
+import static org.junit.Assert.assertFalse;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.opensolaris.opengrok.util.TestRepository;
+
+/**
+ * Test RepositoryFactory
+ *
+ * @author Vladimir Kotal
+ */
+public class RepositoryFactoryTest {
+    private static TestRepository repository;
+    
+    @BeforeClass
+    public static void setUpClass() throws Exception {
+        repository = new TestRepository();
+        repository.create(RepositoryFactory.class.getResourceAsStream("repositories.zip"));
+    }
+    
+    @AfterClass
+    public static void tearDown() {
+        if (repository != null) {
+            repository.destroy();
+            repository = null;
+        }
+    }
+    
+    /*
+     * There is no conditonal run based on whether Mercurial is installed because
+     * this test is not supposed to have working Mercurial anyway.
+     */
+    @Test
+    public void testNotWorkingRepository() throws InstantiationException, IllegalAccessException, 
+            NoSuchMethodException, InvocationTargetException {
+        
+        String propName = MercurialRepository.CMD_PROPERTY_KEY;
+        System.setProperty(propName, "/foo/bar/nonexistent");
+        File root = new File(repository.getSourceRoot(), "mercurial");
+        Repository repo = RepositoryFactory.getRepository(root);
+        assertFalse(repo.isWorking());
+    }
+}