add tests for determineParent()

Author: vladak

opengrok-indexer/src/main/java/org/opengrok/indexer/history/SCCSRepository.java

@@ -58,7 +58,7 @@ public class SCCSRepository extends Repository {
      */
     public static final String CMD_FALLBACK = "sccs";
 
-    private static final String CODEMGR_WSDATA = "Codemgr_wsdata";
+    static final String CODEMGR_WSDATA = "Codemgr_wsdata";
 
     public SCCSRepository() {
         type = "SCCS";

opengrok-indexer/src/test/java/org/opengrok/indexer/history/SCCSRepositoryTest.java

@@ -26,10 +26,12 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.opengrok.indexer.condition.EnabledForRepository;
+import org.opengrok.indexer.configuration.CommandTimeoutType;
 import org.opengrok.indexer.util.TestRepository;
 
 import java.io.File;
 import java.io.IOException;
+import java.io.PrintWriter;
 import java.nio.file.Files;
 import java.util.Date;
 import java.util.List;
@@ -38,6 +40,7 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.opengrok.indexer.condition.RepositoryInstalled.Type.SCCS;
 
@@ -139,4 +142,36 @@ void testGetHistory() throws Exception {
         History expectedHistory = new History(entries);
         assertEquals(expectedHistory, history);
     }
+
+    /**
+     * Negative test of {@link SCCSRepository#determineParent(CommandTimeoutType)}.
+     */
+    @Test
+    void testDetermineParentInvalid() throws Exception {
+        File codemgrDir = new File(repositoryRoot, SCCSRepository.CODEMGR_WSDATA);
+        assertTrue(codemgrDir.mkdirs());
+        File parentFile = new File(codemgrDir, "parent");
+        assertTrue(parentFile.createNewFile());
+        try (PrintWriter out = new PrintWriter(parentFile.toString())) {
+            out.println("foo");
+        }
+        assertNull(sccsRepository.determineParent(CommandTimeoutType.INDEXER));
+    }
+
+    /**
+     * Test of {@link SCCSRepository#determineParent(CommandTimeoutType)}.
+     */
+    @Test
+    void testDetermineParent() throws Exception {
+        File codemgrDir = new File(repositoryRoot, SCCSRepository.CODEMGR_WSDATA);
+        assertTrue(codemgrDir.mkdirs());
+        File parentFile = new File(codemgrDir, "parent");
+        assertTrue(parentFile.createNewFile());
+        final String expectedParent = "/foo";
+        try (PrintWriter out = new PrintWriter(parentFile.toString())) {
+            out.println("VERSION 1");
+            out.println(expectedParent);
+        }
+        assertEquals(expectedParent, sccsRepository.determineParent(CommandTimeoutType.INDEXER));
+    }
 }