HBASE-29558: Addendum to fix checkstyle warnings

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/AbstractTestShell.java

@@ -18,9 +18,7 @@
 package org.apache.hadoop.hbase.client;
 
 import java.io.IOException;
-import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.hbase.HBaseTestingUtil;
-import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.jruby.embed.ScriptingContainer;
 import org.junit.After;
 import org.junit.Before;
@@ -30,14 +28,17 @@ public abstract class AbstractTestShell implements RubyShellTest {
   protected final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
   protected final ScriptingContainer jruby = new ScriptingContainer();
 
+  @Override
   public HBaseTestingUtil getTEST_UTIL() {
     return TEST_UTIL;
   }
 
+  @Override
   public ScriptingContainer getJRuby() {
     return jruby;
   }
 
+  @Override
   public String getSuitePattern() {
     return "**/*_test.rb";
   }
@@ -47,20 +48,13 @@ public void setUp() throws Exception {
     RubyShellTest.setUpConfig(this);
 
     // Start mini cluster
-    // 3 datanodes needed for erasure coding checks
-    TEST_UTIL.startMiniCluster(3);
+    TEST_UTIL.startMiniCluster(1);
 
     RubyShellTest.setUpJRubyRuntime(this);
 
     RubyShellTest.doTestSetup(this);
   }
 
-  protected void setupDFS() throws IOException {
-    DistributedFileSystem dfs =
-      (DistributedFileSystem) FileSystem.get(TEST_UTIL.getConfiguration());
-    dfs.enableErasureCodingPolicy("XOR-2-1-1024k");
-  }
-
   @After
   public void tearDown() throws Exception {
     TEST_UTIL.shutdownMiniCluster();

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestAdminShell.java

@@ -0,0 +1,65 @@
+/*
+ * 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.hadoop.hbase.client;
+
+import java.io.IOException;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.hbase.HBaseClassTestRule;
+import org.apache.hadoop.hbase.testclassification.ClientTests;
+import org.apache.hadoop.hbase.testclassification.LargeTests;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.experimental.categories.Category;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Category({ ClientTests.class, LargeTests.class })
+public class TestAdminShell extends AbstractTestShell {
+  private static final Logger LOG = LoggerFactory.getLogger(TestAdminShell.class);
+
+  @ClassRule
+  public static final HBaseClassTestRule CLASS_RULE =
+    HBaseClassTestRule.forClass(TestAdminShell.class);
+
+  @Override
+  public String getIncludeList() {
+    return "admin_test.rb";
+  }
+
+  @Before
+  public void setUp() throws Exception {
+    RubyShellTest.setUpConfig(this);
+
+    // Start mini cluster
+    // 3 datanodes needed for erasure coding checks
+    TEST_UTIL.startMiniCluster(3);
+
+    setupDFS();
+
+    RubyShellTest.setUpJRubyRuntime(this);
+
+    RubyShellTest.doTestSetup(this);
+  }
+
+  protected void setupDFS() throws IOException {
+    DistributedFileSystem dfs =
+      (DistributedFileSystem) FileSystem.get(TEST_UTIL.getConfiguration());
+    dfs.enableErasureCodingPolicy("XOR-2-1-1024k");
+  }
+}

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestQuotasShell.java

@@ -24,7 +24,7 @@
 import org.junit.experimental.categories.Category;
 
 @Category({ ClientTests.class, LargeTests.class })
-public class TestQuotasShell extends BaseTestShell {
+public class TestQuotasShell extends AbstractTestShell {
   @ClassRule
   public static final HBaseClassTestRule CLASS_RULE =
     HBaseClassTestRule.forClass(TestQuotasShell.class);

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestRSGroupShell.java

@@ -32,11 +32,19 @@ public class TestRSGroupShell extends AbstractTestShell {
   public static final HBaseClassTestRule CLASS_RULE =
     HBaseClassTestRule.forClass(TestRSGroupShell.class);
 
+  @Override
   @Before
   public void setUp() throws Exception {
+    RubyShellTest.setUpConfig(this);
     // enable rs group
     RSGroupUtil.enableRSGroup(TEST_UTIL.getConfiguration());
-    super.setUp();
+
+    // Start mini cluster, need 3 nodes
+    TEST_UTIL.startMiniCluster(3);
+
+    RubyShellTest.setUpJRubyRuntime(this);
+
+    RubyShellTest.doTestSetup(this);
   }
 
   @Override

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestReplicationShell.java

@@ -24,7 +24,7 @@
 import org.junit.experimental.categories.Category;
 
 @Category({ ClientTests.class, LargeTests.class })
-public class TestReplicationShell extends BaseTestShell {
+public class TestReplicationShell extends AbstractTestShell {
   @ClassRule
   public static final HBaseClassTestRule CLASS_RULE =
     HBaseClassTestRule.forClass(TestReplicationShell.class);

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestShell.java

@@ -24,7 +24,7 @@
 import org.junit.experimental.categories.Category;
 
 @Category({ ClientTests.class, LargeTests.class })
-public class TestShell extends BaseTestShell {
+public class TestShell extends AbstractTestShell {
   @ClassRule
   public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestShell.class);
 

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestShellNoCluster.java

@@ -31,6 +31,7 @@ public class TestShellNoCluster extends AbstractTestShell {
   public static final HBaseClassTestRule CLASS_RULE =
     HBaseClassTestRule.forClass(TestShellNoCluster.class);
 
+  @Override
   @Before
   public void setUp() throws Exception {
     RubyShellTest.setUpConfig(this);
@@ -42,6 +43,7 @@ public void setUp() throws Exception {
     RubyShellTest.doTestSetup(this);
   }
 
+  @Override
   @After
   public void tearDown() throws Exception {
     // no cluster

hbase-shell/src/test/java/org/apache/hadoop/hbase/client/TestTableShell.java

@@ -24,7 +24,7 @@
 import org.junit.experimental.categories.Category;
 
 @Category({ ClientTests.class, MediumTests.class })
-public class TestTableShell extends BaseTestShell {
+public class TestTableShell extends AbstractTestShell {
   @ClassRule
   public static final HBaseClassTestRule CLASS_RULE =
     HBaseClassTestRule.forClass(TestTableShell.class);