content: /*
   * 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.ambari.server.topology;
  
  import static junit.framework.Assert.assertEquals;
  import static org.easymock.EasyMock.expect;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  
  import org.apache.ambari.server.controller.internal.Stack;
  import org.apache.ambari.server.state.PropertyInfo;
  import org.apache.ambari.server.topology.validators.RequiredPasswordValidator;
  import org.easymock.EasyMockRule;
  import org.easymock.EasyMockSupport;
  import org.easymock.Mock;
  import org.easymock.TestSubject;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  
  /**
   * Unit tests for RequiredPasswordValidator.
   */
  public class RequiredPasswordValidatorTest extends EasyMockSupport {
  
    @Rule
    public EasyMockRule mocks = new EasyMockRule(this);
  
    @Mock
    private ClusterTopology topology;
  
    @Mock
    private Blueprint blueprint;
  
    @Mock
    private Stack stack;
  
    @Mock
    private HostGroup group1;
  
    @Mock
    private HostGroup group2;
  
    private static Configuration stackDefaults;
    private static Configuration bpClusterConfig;
    private static Configuration topoClusterConfig;
    private static Configuration bpGroup1Config;
    private static Configuration bpGroup2Config;
    private static Configuration topoGroup1Config;
    private static Configuration topoGroup2Config;
  
    private static final Map<String, HostGroup> hostGroups = new HashMap<>();
    private static final Map<String, HostGroupInfo> hostGroupInfo = new HashMap<>();
  
    private static final Collection<String> group1Components = new HashSet<>();
    private static final Collection<String> group2Components = new HashSet<>();
    private static final Collection<String> service1Components = new HashSet<>();
    private static final Collection<String> service2Components = new HashSet<>();
    private static final Collection<String> service3Components = new HashSet<>();
  
    private static final Collection<Stack.ConfigProperty> service1RequiredPwdConfigs = new HashSet<>();
    private static final Collection<Stack.ConfigProperty> service2RequiredPwdConfigs = new HashSet<>();
    private static final Collection<Stack.ConfigProperty> service3RequiredPwdConfigs = new HashSet<>();
  
    @TestSubject
    private RequiredPasswordValidator validator = new RequiredPasswordValidator();
  
  
    @Before
    public void setup() {
  
      stackDefaults = new Configuration(new HashMap<>(),
        new HashMap<>());
  
      bpClusterConfig = new Configuration(new HashMap<>(),
        new HashMap<>(), stackDefaults);
  
      topoClusterConfig = new Configuration(new HashMap<>(),
        new HashMap<>(), bpClusterConfig);
  
      bpGroup1Config = new Configuration(new HashMap<>(),
        new HashMap<>(), topoClusterConfig);
  
      bpGroup2Config = new Configuration(new HashMap<>(),
        new HashMap<>(), topoClusterConfig);
  
      topoGroup1Config = new Configuration(new HashMap<>(),
        new HashMap<>(), bpGroup1Config);
  
      topoGroup2Config = new Configuration(new HashMap<>(),
        new HashMap<>(), bpGroup2Config);
  
      service1RequiredPwdConfigs.clear();
      service2RequiredPwdConfigs.clear();
      service3RequiredPwdConfigs.clear();
  
      hostGroups.put("group1", group1);
      hostGroups.put("group2", group2);
  
      group1Components.add("component1");
      group1Components.add("component2");
      group1Components.add("component3");
  
      group2Components.add("component1");
      group2Components.add("component4");
  
      service1Components.add("component1");
      service1Components.add("component2");
      service2Components.add("component3");
      service3Components.add("component4");
  
      HostGroupInfo hostGroup1Info = new HostGroupInfo("group1");
      hostGroup1Info.setConfiguration(topoGroup1Config);
      HostGroupInfo hostGroup2Info = new HostGroupInfo("group2");
      hostGroup2Info.setConfiguration(topoGroup2Config);
      hostGroupInfo.put("group1", hostGroup1Info);
      hostGroupInfo.put("group2", hostGroup2Info);
  
      expect(topology.getConfiguration()).andReturn(topoClusterConfig).anyTimes();
      expect(topology.getBlueprint()).andReturn(blueprint).anyTimes();
      expect(topology.getHostGroupInfo()).andReturn(hostGroupInfo).anyTimes();
  
      expect(blueprint.getHostGroups()).andReturn(hostGroups).anyTimes();
      expect(blueprint.getHostGroup("group1")).andReturn(group1).anyTimes();
      expect(blueprint.getHostGroup("group2")).andReturn(group2).anyTimes();
      expect(blueprint.getStack()).andReturn(stack).anyTimes();
  
      expect(group1.getComponentNames()).andReturn(group1Components).anyTimes();
      expect(group2.getComponentNames()).andReturn(group2Components).anyTimes();
      expect(group1.getComponents("service1")).andReturn(Arrays.asList("component1", "component2")).anyTimes();
      expect(group1.getComponents("service2")).andReturn(Arrays.asList("component3")).anyTimes();
      expect(group1.getComponents("service3")).andReturn(Collections.emptySet()).anyTimes();
      expect(group2.getComponents("service1")).andReturn(Arrays.asList("component1")).anyTimes();
      expect(group2.getComponents("service2")).andReturn(Collections.emptySet()).anyTimes();
      expect(group2.getComponents("service3")).andReturn(Arrays.asList("component4")).anyTimes();
  
      expect(stack.getServiceForComponent("component1")).andReturn("service1").anyTimes();
      expect(stack.getServiceForComponent("component2")).andReturn("service1").anyTimes();
      expect(stack.getServiceForComponent("component3")).andReturn("service2").anyTimes();
      expect(stack.getServiceForComponent("component4")).andReturn("service3").anyTimes();
  
      expect(stack.getRequiredConfigurationProperties("service1", PropertyInfo.PropertyType.PASSWORD)).andReturn(service1RequiredPwdConfigs).anyTimes();
      expect(stack.getRequiredConfigurationProperties("service2", PropertyInfo.PropertyType.PASSWORD)).andReturn(service2RequiredPwdConfigs).anyTimes();
      expect(stack.getRequiredConfigurationProperties("service3", PropertyInfo.PropertyType.PASSWORD)).andReturn(service3RequiredPwdConfigs).anyTimes();
  
    }
  
    @After
    public void tearDown() {
      verifyAll();
      resetAll();
    }
  
  
    @Test
    public void testValidate_noRequiredProps__noDefaultPwd() throws Exception {
      // GIVEN
      // no required pwd properties so shouldn't throw an exception
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      // WHEN
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_noRequiredProps__defaultPwd() throws Exception {
      // GIVEN
      expect(topology.getDefaultPassword()).andReturn("pwd");
      replayAll();
  
      // WHEN
      validator.validate(topology);
  
    }
  
    @Test(expected = InvalidTopologyException.class)
    public void testValidate_missingPwd__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service1RequiredPwdConfigs.add(pwdProp);
  
  
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_missingPwd__defaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn("default-pwd");
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service1RequiredPwdConfigs.add(pwdProp);
  
      // default value should be set
      validator.validate(topology);
  
      assertEquals(1, topoClusterConfig.getProperties().size());
      assertEquals("default-pwd", topoClusterConfig.getProperties().get("test-type").get("pwdProp"));
    }
  
    @Test
    public void testValidate_pwdPropertyInTopoGroupConfig__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service3RequiredPwdConfigs.add(pwdProp);
      // group2 has a component from service 3
      topoGroup2Config.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret"));
  
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_pwdPropertyInTopoClusterConfig__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service3RequiredPwdConfigs.add(pwdProp);
      // group2 has a component from service 3
      topoClusterConfig.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret"));
  
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_pwdPropertyInBPGroupConfig__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service3RequiredPwdConfigs.add(pwdProp);
      // group2 has a component from service 3
      bpGroup2Config.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret"));
  
  
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_pwdPropertyInBPClusterConfig__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service3RequiredPwdConfigs.add(pwdProp);
      // group2 has a component from service 3
      bpClusterConfig.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret"));
  
  
      validator.validate(topology);
    }
  
    @Test(expected = InvalidTopologyException.class)
    public void testValidate_pwdPropertyInStackConfig__NoDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn(null);
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      service3RequiredPwdConfigs.add(pwdProp);
      // group2 has a component from service 3
      stackDefaults.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret"));
  
  
      // because stack config is ignored for validation, an exception should be thrown
      validator.validate(topology);
    }
  
    @Test
    public void testValidate_twoRequiredPwdOneSpecified__defaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn("default-pwd");
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      Stack.ConfigProperty pwdProp2 = new Stack.ConfigProperty("test2-type", "pwdProp2", null);
      service1RequiredPwdConfigs.add(pwdProp);
      service3RequiredPwdConfigs.add(pwdProp2);
  
      topoClusterConfig.getProperties().put("test2-type", Collections.singletonMap("pwdProp2", "secret"));
  
      // default value should be set
      validator.validate(topology);
  
      assertEquals(2, topoClusterConfig.getProperties().size());
      assertEquals("default-pwd", topoClusterConfig.getProperties().get("test-type").get("pwdProp"));
      assertEquals("secret", topoClusterConfig.getProperties().get("test2-type").get("pwdProp2"));
    }
  
    @Test
    public void testValidate_twoRequiredPwdTwoSpecified__noDefaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn("default-pwd");
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      Stack.ConfigProperty pwdProp2 = new Stack.ConfigProperty("test2-type", "pwdProp2", null);
      service1RequiredPwdConfigs.add(pwdProp);
      service3RequiredPwdConfigs.add(pwdProp2);
  
      topoClusterConfig.getProperties().put("test2-type", Collections.singletonMap("pwdProp2", "secret2"));
      topoClusterConfig.getProperties().put("test-type", Collections.singletonMap("pwdProp", "secret1"));
  
      // default value should be set
      validator.validate(topology);
  
      assertEquals(2, topoClusterConfig.getProperties().size());
      assertEquals("secret1", topoClusterConfig.getProperties().get("test-type").get("pwdProp"));
      assertEquals("secret2", topoClusterConfig.getProperties().get("test2-type").get("pwdProp2"));
    }
  
    @Test
    public void testValidate_multipleMissingPwd__defaultPwd() throws Exception {
      expect(topology.getDefaultPassword()).andReturn("default-pwd");
      replayAll();
  
      Stack.ConfigProperty pwdProp = new Stack.ConfigProperty("test-type", "pwdProp", null);
      Stack.ConfigProperty pwdProp2 = new Stack.ConfigProperty("test2-type", "pwdProp2", null);
      service1RequiredPwdConfigs.add(pwdProp);
      service3RequiredPwdConfigs.add(pwdProp2);
  
      // default value should be set
      validator.validate(topology);
  
      assertEquals(2, topoClusterConfig.getProperties().size());
      assertEquals("default-pwd", topoClusterConfig.getProperties().get("test-type").get("pwdProp"));
      assertEquals("default-pwd", topoClusterConfig.getProperties().get("test2-type").get("pwdProp2"));
    }
  
  }
  