svn commit: r1389219 - /incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java

[to...@apache.org]

Author: toffer
Date: Mon Sep 24 06:16:35 2012
New Revision: 1389219

URL: http://svn.apache.org/viewvc?rev=1389219&view=rev
Log:
addendum to HCAT-490: missing one file to add HCatBaseTest.java (amalakar via toffer)

Added:
    incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java

Added: incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java
URL: http://svn.apache.org/viewvc/incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java?rev=1389219&view=auto
==============================================================================
--- incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java (added)
+++ incubator/hcatalog/branches/branch-0.4/src/test/org/apache/hcatalog/mapreduce/HCatBaseTest.java Mon Sep 24 06:16:35 2012
@@ -0,0 +1,85 @@
+/*
+ * 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.
+ */
+
+package org.apache.hcatalog.mapreduce;
+
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hadoop.hive.cli.CliSessionState;
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
+import org.apache.hadoop.hive.ql.Driver;
+import org.apache.hadoop.hive.ql.session.SessionState;
+import org.apache.pig.PigServer;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Simplify writing HCatalog tests that require a HiveMetaStore.
+ */
+public class HCatBaseTest {
+    protected static final Logger LOG = LoggerFactory.getLogger(HCatBaseTest.class);
+    protected static final String TEST_DATA_DIR = System.getProperty("user.dir") +
+            "/build/test/data/" + HCatBaseTest.class.getCanonicalName();
+    protected static final String TEST_WAREHOUSE_DIR = TEST_DATA_DIR + "/warehouse";
+
+    protected HiveConf hiveConf = null;
+    protected Driver driver = null;
+    protected HiveMetaStoreClient client = null;
+
+    @BeforeClass
+    public static void setUpTestDataDir() throws Exception {
+        LOG.info("Using warehouse directory " + TEST_WAREHOUSE_DIR);
+        File f = new File(TEST_WAREHOUSE_DIR);
+        if (f.exists()) {
+            FileUtil.fullyDelete(f);
+        }
+        Assert.assertTrue(new File(TEST_WAREHOUSE_DIR).mkdirs());
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        if (driver == null) {
+            setUpHiveConf();
+            driver = new Driver(hiveConf);
+            client = new HiveMetaStoreClient(hiveConf);
+            SessionState.start(new CliSessionState(hiveConf));
+        }
+    }
+
+    /**
+     * Create a new HiveConf and set properties necessary for unit tests.
+     */
+    protected void setUpHiveConf() {
+        hiveConf = new HiveConf(this.getClass());
+        hiveConf.setVar(HiveConf.ConfVars.PREEXECHOOKS, "");
+        hiveConf.setVar(HiveConf.ConfVars.POSTEXECHOOKS, "");
+        hiveConf.setBoolVar(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY, false);
+        hiveConf.setVar(HiveConf.ConfVars.METASTOREWAREHOUSE, TEST_WAREHOUSE_DIR);
+    }
+
+    protected void logAndRegister(PigServer server, String query) throws IOException {
+        LOG.info("Registering pig query: " + query);
+        server.registerQuery(query);
+    }
+}