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From els...@apache.org
Subject [36/49] hbase git commit: HBASE-16999 Implement master and regionserver synchronization of quota state
Date Mon, 22 May 2017 20:07:32 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/98b4181f/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestTableSpaceQuotaViolationNotifier.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestTableSpaceQuotaViolationNotifier.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestTableSpaceQuotaViolationNotifier.java
new file mode 100644
index 0000000..4a7000c
--- /dev/null
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestTableSpaceQuotaViolationNotifier.java
@@ -0,0 +1,144 @@
+/*
+ * 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.quotas;
+
+import static org.mockito.Matchers.argThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map.Entry;
+import java.util.NavigableMap;
+import java.util.Objects;
+
+import org.apache.hadoop.hbase.Cell;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.Connection;
+import org.apache.hadoop.hbase.client.Delete;
+import org.apache.hadoop.hbase.client.Mutation;
+import org.apache.hadoop.hbase.client.Put;
+import org.apache.hadoop.hbase.client.Table;
+import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
+import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota;
+import org.apache.hadoop.hbase.testclassification.SmallTests;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.mockito.ArgumentMatcher;
+
+/**
+ * Test case for {@link TableSpaceQuotaViolationNotifier}.
+ */
+@Category(SmallTests.class)
+public class TestTableSpaceQuotaViolationNotifier {
+
+  private TableSpaceQuotaViolationNotifier notifier;
+  private Connection conn;
+
+  @Before
+  public void setup() throws Exception {
+    notifier = new TableSpaceQuotaViolationNotifier();
+    conn = mock(Connection.class);
+    notifier.initialize(conn);
+  }
+
+  @Test
+  public void testToViolation() throws Exception {
+    final TableName tn = TableName.valueOf("inviolation");
+    final SpaceViolationPolicy policy = SpaceViolationPolicy.NO_INSERTS;
+    final Table quotaTable = mock(Table.class);
+    when(conn.getTable(QuotaTableUtil.QUOTA_TABLE_NAME)).thenReturn(quotaTable);
+
+    final Put expectedPut = new Put(Bytes.toBytes("t." + tn.getNameAsString()));
+    final SpaceQuota protoQuota = SpaceQuota.newBuilder()
+        .setViolationPolicy(ProtobufUtil.toProtoViolationPolicy(policy))
+        .build();
+    expectedPut.addColumn(Bytes.toBytes("u"), Bytes.toBytes("v"), protoQuota.toByteArray());
+
+    notifier.transitionTableToViolation(tn, policy);
+
+    verify(quotaTable).put(argThat(new SingleCellPutMatcher(expectedPut)));
+  }
+
+  @Test
+  public void testToObservance() throws Exception {
+    final TableName tn = TableName.valueOf("notinviolation");
+    final Table quotaTable = mock(Table.class);
+    when(conn.getTable(QuotaTableUtil.QUOTA_TABLE_NAME)).thenReturn(quotaTable);
+
+    final Delete expectedDelete = new Delete(Bytes.toBytes("t." + tn.getNameAsString()));
+    expectedDelete.addColumn(Bytes.toBytes("u"), Bytes.toBytes("v"));
+
+    notifier.transitionTableToObservance(tn);
+
+    verify(quotaTable).delete(argThat(new SingleCellDeleteMatcher(expectedDelete)));
+  }
+
+  /**
+   * Parameterized for Puts.
+   */
+  private static class SingleCellPutMatcher extends SingleCellMutationMatcher<Put>
{
+    private SingleCellPutMatcher(Put expected) {
+      super(expected);
+    }
+  }
+
+  /**
+   * Parameterized for Deletes.
+   */
+  private static class SingleCellDeleteMatcher extends SingleCellMutationMatcher<Delete>
{
+    private SingleCellDeleteMatcher(Delete expected) {
+      super(expected);
+    }
+  }
+
+  /**
+   * Quick hack to verify a Mutation with one column.
+   */
+  private static class SingleCellMutationMatcher<T> extends ArgumentMatcher<T>
{
+    private final Mutation expected;
+
+    private SingleCellMutationMatcher(Mutation expected) {
+      this.expected = expected;
+    }
+
+    @Override
+    public boolean matches(Object argument) {
+      if (!expected.getClass().isAssignableFrom(argument.getClass())) {
+        return false;
+      }
+      Mutation actual = (Mutation) argument;
+      if (!Arrays.equals(expected.getRow(), actual.getRow())) {
+        return false;
+      }
+      if (expected.size() != actual.size()) {
+        return false;
+      }
+      NavigableMap<byte[],List<Cell>> expectedCells = expected.getFamilyCellMap();
+      NavigableMap<byte[],List<Cell>> actualCells = actual.getFamilyCellMap();
+      Entry<byte[],List<Cell>> expectedEntry = expectedCells.entrySet().iterator().next();
+      Entry<byte[],List<Cell>> actualEntry = actualCells.entrySet().iterator().next();
+      if (!Arrays.equals(expectedEntry.getKey(), actualEntry.getKey())) {
+        return false;
+      }
+      return Objects.equals(expectedEntry.getValue(), actualEntry.getValue());
+    }
+  }
+}


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