pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / src / test / org / apache / lucene / store / TestFileSwitchDirectory.java

diff --git a/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/store/TestFileSwitchDirectory.java b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/store/TestFileSwitchDirectory.java
new file mode 100644 (file)
index 0000000..66dcc8b
--- /dev/null
+++ b/lucene-java-3.5.0/lucene/src/test/org/apache/lucene/store/TestFileSwitchDirectory.java
@@ -0,0 +1,115 @@
+package org.apache.lucene.store;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.IndexWriter;
+import org.apache.lucene.index.IndexWriterConfig;
+import org.apache.lucene.index.TestIndexWriterReader;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+
+public class TestFileSwitchDirectory extends LuceneTestCase {
+  /**
+   * Test if writing doc stores to disk and everything else to ram works.
+   * @throws IOException
+   */
+  public void testBasic() throws IOException {
+    Set<String> fileExtensions = new HashSet<String>();
+    fileExtensions.add(IndexFileNames.FIELDS_EXTENSION);
+    fileExtensions.add(IndexFileNames.FIELDS_INDEX_EXTENSION);
+    
+    MockDirectoryWrapper primaryDir = new MockDirectoryWrapper(random, new RAMDirectory());
+    primaryDir.setCheckIndexOnClose(false); // only part of an index
+    MockDirectoryWrapper secondaryDir = new MockDirectoryWrapper(random, new RAMDirectory());
+    secondaryDir.setCheckIndexOnClose(false); // only part of an index
+    
+    FileSwitchDirectory fsd = new FileSwitchDirectory(fileExtensions, primaryDir, secondaryDir, true);
+    IndexWriter writer = new IndexWriter(
+        fsd,
+        new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
+            setMergePolicy(newLogMergePolicy(false))
+    );
+    TestIndexWriterReader.createIndexNoClose(true, "ram", writer);
+    IndexReader reader = IndexReader.open(writer, true);
+    assertEquals(100, reader.maxDoc());
+    writer.commit();
+    // we should see only fdx,fdt files here
+    String[] files = primaryDir.listAll();
+    assertTrue(files.length > 0);
+    for (int x=0; x < files.length; x++) {
+      String ext = FileSwitchDirectory.getExtension(files[x]);
+      assertTrue(fileExtensions.contains(ext));
+    }
+    files = secondaryDir.listAll();
+    assertTrue(files.length > 0);
+    // we should not see fdx,fdt files here
+    for (int x=0; x < files.length; x++) {
+      String ext = FileSwitchDirectory.getExtension(files[x]);
+      assertFalse(fileExtensions.contains(ext));
+    }
+    reader.close();
+    writer.close();
+
+    files = fsd.listAll();
+    for(int i=0;i<files.length;i++) {
+      assertNotNull(files[i]);
+    }
+    fsd.close();
+  }
+  
+  private Directory newFSSwitchDirectory(Set<String> primaryExtensions) throws IOException {
+    Directory a = new SimpleFSDirectory(_TestUtil.getTempDir("foo"));
+    Directory b = new SimpleFSDirectory(_TestUtil.getTempDir("bar"));
+    FileSwitchDirectory switchDir = new FileSwitchDirectory(primaryExtensions, a, b, true);
+    return new MockDirectoryWrapper(random, switchDir);
+  }
+  
+  // LUCENE-3380 -- make sure we get exception if the directory really does not exist.
+  public void testNoDir() throws Throwable {
+    Directory dir = newFSSwitchDirectory(Collections.<String>emptySet());
+    try {
+      IndexReader.open(dir, true);
+      fail("did not hit expected exception");
+    } catch (NoSuchDirectoryException nsde) {
+      // expected
+    }
+    dir.close();
+  }
+  
+  // LUCENE-3380 test that we can add a file, and then when we call list() we get it back
+  public void testDirectoryFilter() throws IOException {
+    Directory dir = newFSSwitchDirectory(Collections.<String>emptySet());
+    String name = "file";
+    try {
+      dir.createOutput(name).close();
+      assertTrue(dir.fileExists(name));
+      assertTrue(Arrays.asList(dir.listAll()).contains(name));
+    } finally {
+      dir.close();
+    }
+  }
+}