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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.MigrationStep;
  30 import org.sonar.server.platform.db.migration.step.MigrationStepRegistryImpl;
  31 import org.sonar.server.platform.db.migration.step.MigrationStepsExecutor;
  32 import org.sonar.server.platform.db.migration.step.RegisteredMigrationStep;
  33
  34 import static org.assertj.core.api.Assertions.assertThat;
  35
  36 public class MigrationContainerImplTest {
  37   private final SpringComponentContainer parent = new SpringComponentContainer();
  38   private MigrationContainerImpl underTest;
  39
  40   @Before
  41   public void setUp() {
  42     InternalMigrationStepRegistry registry = new MigrationStepRegistryImpl();
  43     registry.add(1, "test", NoOpMigrationStep.class);
  44
  45     parent.add(registry.build());
  46     parent.startComponents();
  47     underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  48     underTest.add(StartCallCounter.class);
  49   }
  50
  51   @Test
  52   public void adds_migration_steps_to_migration_container() {
  53     assertThat(underTest.getComponentByType(MigrationStep.class)).isInstanceOf(NoOpMigrationStep.class);
  54   }
  55
  56   @Test
  57   public void context_of_migration_container_has_specified_context_as_parent() {
  58     assertThat(underTest.context().getParent()).isEqualTo(parent.context());
  59   }
  60
  61   @Test
  62   public void context_of_migration_container_is_started_in_constructor() {
  63     assertThat(underTest.context().isActive()).isTrue();
  64   }
  65
  66   @Test
  67   public void add_duplicate_steps_has_no_effect() {
  68     InternalMigrationStepRegistry registry = new MigrationStepRegistryImpl();
  69     registry.add(1, "test", NoOpMigrationStep.class);
  70     registry.add(2, "test2", NoOpMigrationStep.class);
  71
  72     SpringComponentContainer parent = new SpringComponentContainer();
  73     parent.add(registry.build());
  74     parent.startComponents();
  75     MigrationContainerImpl underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  76     assertThat(underTest.getComponentsByType(MigrationStep.class)).hasSize(1);
  77   }
  78
  79   @Test
  80   public void migration_container_lazily_instance_components() {
  81     assertThat(StartCallCounter.startCalls).isZero();
  82
  83     StartCallCounter startCallCounter = underTest.getComponentByType(StartCallCounter.class);
  84
  85     assertThat(startCallCounter).isNotNull();
  86     assertThat(StartCallCounter.startCalls).isOne();
  87   }
  88
  89   @Test
  90   public void cleanup_does_not_fail_even_if_stop_of_component_fails() {
  91     parent.add(StopFailing.class);
  92     MigrationContainerImpl underTest = new MigrationContainerImpl(parent, NoOpExecutor.class);
  93
  94     underTest.cleanup();
  95   }
  96
  97   private static class NoOpExecutor implements MigrationStepsExecutor {
  98     @Override
  99     public void execute(List<RegisteredMigrationStep> steps) {
 100
 101     }
 102   }
 103
 104   private static class NoOpMigrationStep implements MigrationStep {
 105     @Override
 106     public void execute() throws SQLException {
 107
 108     }
 109   }
 110
 111   public static final class StartCallCounter implements Startable {
 112     private static int startCalls = 0;
 113
 114     @Override
 115     public void start() {
 116       startCalls++;
 117     }
 118
 119     @Override
 120     public void stop() {
 121       // do nothing
 122     }
 123   }
 124
 125   public static final class StopFailing implements Startable {
 126     @Override
 127     public void start() {
 128       // do nothing
 129     }
 130
 131     @Override
 132     public void stop() {
 133       throw new RuntimeException("Faking stop call failing");
 134     }
 135   }
 136 }