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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2024 SonarSource SA
   4  * mailto:info AT sonarsource DOT com
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  */
  20 package org.sonar.server.platform.db.migration.engine;
  21
  22 import java.sql.SQLException;
  23 import java.util.List;
  24 import org.junit.Before;
  25 import org.junit.Test;
  26 import org.sonar.api.Startable;
  27 import org.sonar.core.platform.SpringComponentContainer;
  28 import org.sonar.server.platform.db.migration.step.InternalMigrationStepRegistry;
  29 import org.sonar.server.platform.db.migration.step.MigrationStatusListener;
  30 import org.sonar.server.platform.db.migration.step.MigrationStep;
  31 import org.sonar.server.platform.db.migration.step.MigrationStepRegistryImpl;
  32 import org.sonar.server.platform.db.migration.step.MigrationStepsExecutor;
  33 import org.sonar.server.platform.db.migration.step.RegisteredMigrationStep;
  34
  35 import static org.assertj.core.api.Assertions.assertThat;
  36
  37 public class MigrationContainerImplTest {
  38   private final SpringComponentContainer parent = new SpringComponentContainer();
  39   private MigrationContainerImpl underTest;
  40
  41   @Before
  42   public void setUp() {
  43     InternalMigrationStepRegistry registry = new MigrationStepRegistryImpl();
  44     registry.add(1, "test", NoOpMigrationStep.class);
  45
  46     parent.add(registry.build());
  47     parent.startComponents();
  48     underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  49     underTest.add(StartCallCounter.class);
  50   }
  51
  52   @Test
  53   public void adds_migration_steps_to_migration_container() {
  54     assertThat(underTest.getComponentByType(MigrationStep.class)).isInstanceOf(NoOpMigrationStep.class);
  55   }
  56
  57   @Test
  58   public void context_of_migration_container_has_specified_context_as_parent() {
  59     assertThat(underTest.context().getParent()).isEqualTo(parent.context());
  60   }
  61
  62   @Test
  63   public void context_of_migration_container_is_started_in_constructor() {
  64     assertThat(underTest.context().isActive()).isTrue();
  65   }
  66
  67   @Test
  68   public void add_duplicate_steps_has_no_effect() {
  69     InternalMigrationStepRegistry registry = new MigrationStepRegistryImpl();
  70     registry.add(1, "test", NoOpMigrationStep.class);
  71     registry.add(2, "test2", NoOpMigrationStep.class);
  72
  73     SpringComponentContainer parent = new SpringComponentContainer();
  74     parent.add(registry.build());
  75     parent.startComponents();
  76     MigrationContainerImpl underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  77     assertThat(underTest.getComponentsByType(MigrationStep.class)).hasSize(1);
  78   }
  79
  80   @Test
  81   public void migration_container_lazily_instance_components() {
  82     assertThat(StartCallCounter.startCalls).isZero();
  83
  84     StartCallCounter startCallCounter = underTest.getComponentByType(StartCallCounter.class);
  85
  86     assertThat(startCallCounter).isNotNull();
  87     assertThat(StartCallCounter.startCalls).isOne();
  88   }
  89
  90   @Test
  91   public void cleanup_does_not_fail_even_if_stop_of_component_fails() {
  92     parent.add(StopFailing.class);
  93     MigrationContainerImpl underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  94
  95     underTest.cleanup();
  96   }
  97
  98   private static class NoOpExecutor implements MigrationStepsExecutor {
  99     @Override
 100     public void execute(List<RegisteredMigrationStep> steps, MigrationStatusListener listener) {
 101
 102     }
 103   }
 104
 105   private static class NoOpMigrationStep implements MigrationStep {
 106     @Override
 107     public void execute() throws SQLException {
 108
 109     }
 110   }
 111
 112   public static final class StartCallCounter implements Startable {
 113     private static int startCalls = 0;
 114
 115     @Override
 116     public void start() {
 117       startCalls++;
 118     }
 119
 120     @Override
 121     public void stop() {
 122       // do nothing
 123     }
 124   }
 125
 126   public static final class StopFailing implements Startable {
 127     @Override
 128     public void start() {
 129       // do nothing
 130     }
 131
 132     @Override
 133     public void stop() {
 134       throw new RuntimeException("Faking stop call failing");
 135     }
 136   }
 137 }