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+/*
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+package org.apache.ambari.server.checks;
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+
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+import junit.framework.Assert;
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+
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+import org.apache.ambari.server.AmbariException;
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+import org.apache.ambari.server.controller.PrereqCheckRequest;
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+import org.apache.ambari.server.state.stack.PrereqCheckType;
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+import org.apache.ambari.server.state.stack.PrerequisiteCheck;
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+import org.junit.Test;
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+
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+/**
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+ * Unit tests for AbstractCheckDescriptor
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+ */
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+public class AbstractCheckDescriptorTest {
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+
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+ private class TestCheckImpl extends AbstractCheckDescriptor {
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+
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+ public TestCheckImpl(String id, PrereqCheckType type, String description) {
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+ super(id, type, description);
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+ }
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+
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+ @Override
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+ public void perform(PrerequisiteCheck prerequisiteCheck,
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+ PrereqCheckRequest request) throws AmbariException {
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+ }
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+ }
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+
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+ @Test
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+ public void testFormatEntityList() {
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+ AbstractCheckDescriptor check = new TestCheckImpl(null, PrereqCheckType.HOST, null);
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+
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+ Assert.assertEquals("", check.formatEntityList(null));
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+
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+ final List<String> failedOn = new ArrayList<String>();
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+ Assert.assertEquals("", check.formatEntityList(failedOn));
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+
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+ failedOn.add("host1");
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+ Assert.assertEquals("host1 host", check.formatEntityList(failedOn));
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+
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+ failedOn.add("host2");
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+ Assert.assertEquals("host1 and host2 hosts", check.formatEntityList(failedOn));
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+
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+ failedOn.add("host3");
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+ Assert.assertEquals("host1, host2 and host3 hosts", check.formatEntityList(failedOn));
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+
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+ check = new TestCheckImpl(null, PrereqCheckType.CLUSTER, null);
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+ Assert.assertEquals("host1, host2 and host3 clusters", check.formatEntityList(failedOn));
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+
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+ check = new TestCheckImpl(null, PrereqCheckType.SERVICE, null);
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+ Assert.assertEquals("host1, host2 and host3 services", check.formatEntityList(failedOn));
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+
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+ check = new TestCheckImpl(null, null, null);
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+ Assert.assertEquals("host1, host2 and host3", check.formatEntityList(failedOn));
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+ }
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+
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+}
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Lisnichenko Dmitro