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   1 /*
   2  * SonarQube
   3  * Copyright (C) 2009-2022 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 java.util.Optional;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.sonar.api.config.internal.ConfigurationBridge;
  28 import org.sonar.api.config.internal.MapSettings;
  29 import org.sonar.core.platform.SpringComponentContainer;
  30 import org.sonar.process.ProcessProperties;
  31 import org.sonar.server.platform.db.migration.SupportsBlueGreen;
  32 import org.sonar.server.platform.db.migration.history.MigrationHistory;
  33 import org.sonar.server.platform.db.migration.step.MigrationStep;
  34 import org.sonar.server.platform.db.migration.step.MigrationSteps;
  35 import org.sonar.server.platform.db.migration.step.MigrationStepsExecutor;
  36 import org.sonar.server.platform.db.migration.step.RegisteredMigrationStep;
  37
  38 import static java.util.Arrays.asList;
  39 import static java.util.Collections.singletonList;
  40 import static org.assertj.core.api.Assertions.assertThat;
  41 import static org.junit.Assert.fail;
  42 import static org.mockito.Mockito.mock;
  43 import static org.mockito.Mockito.times;
  44 import static org.mockito.Mockito.verify;
  45 import static org.mockito.Mockito.verifyZeroInteractions;
  46 import static org.mockito.Mockito.when;
  47
  48 public class MigrationEngineImplTest {
  49   private final MigrationHistory migrationHistory = mock(MigrationHistory.class);
  50   private final SpringComponentContainer serverContainer = new SpringComponentContainer();
  51   private final MigrationSteps migrationSteps = mock(MigrationSteps.class);
  52   private final StepRegistry stepRegistry = new StepRegistry();
  53   private final MapSettings settings = new MapSettings();
  54   private final MigrationEngineImpl underTest = new MigrationEngineImpl(migrationHistory, serverContainer, migrationSteps, new ConfigurationBridge(settings));
  55
  56   @Before
  57   public void before() {
  58     serverContainer.add(migrationSteps);
  59     serverContainer.add(migrationHistory);
  60     serverContainer.add(stepRegistry);
  61     serverContainer.startComponents();
  62   }
  63
  64   @Test
  65   public void execute_execute_all_steps_of_there_is_no_last_migration_number() {
  66     when(migrationHistory.getLastMigrationNumber()).thenReturn(Optional.empty());
  67     List<RegisteredMigrationStep> steps = singletonList(new RegisteredMigrationStep(1, "doo", TestMigrationStep.class));
  68     when(migrationSteps.readAll()).thenReturn(steps);
  69
  70     underTest.execute();
  71
  72     verify(migrationSteps, times(2)).readAll();
  73     assertThat(stepRegistry.stepRan).isTrue();
  74   }
  75
  76   @Test
  77   public void execute_execute_steps_from_last_migration_number_plus_1() {
  78     when(migrationHistory.getLastMigrationNumber()).thenReturn(Optional.of(50L));
  79     List<RegisteredMigrationStep> steps = singletonList(new RegisteredMigrationStep(1, "doo", TestMigrationStep.class));
  80     when(migrationSteps.readFrom(51)).thenReturn(steps);
  81     when(migrationSteps.readAll()).thenReturn(steps);
  82
  83     underTest.execute();
  84
  85     verify(migrationSteps).readFrom(51);
  86     assertThat(stepRegistry.stepRan).isTrue();
  87   }
  88
  89   @Test
  90   public void execute_steps_in_blue_green_mode() {
  91     settings.setProperty(ProcessProperties.Property.BLUE_GREEN_ENABLED.getKey(), true);
  92     when(migrationHistory.getLastMigrationNumber()).thenReturn(Optional.of(50L));
  93     List<RegisteredMigrationStep> steps = singletonList(new RegisteredMigrationStep(1, "doo", TestBlueGreenMigrationStep.class));
  94     when(migrationSteps.readFrom(51)).thenReturn(steps);
  95     when(migrationSteps.readAll()).thenReturn(steps);
  96
  97     underTest.execute();
  98
  99     verify(migrationSteps).readFrom(51);
 100     assertThat(stepRegistry.stepRan).isTrue();
 101   }
 102
 103   @Test
 104   public void fail_blue_green_execution_if_some_migrations_are_not_compatible() {
 105     settings.setProperty(ProcessProperties.Property.BLUE_GREEN_ENABLED.getKey(), true);
 106     when(migrationHistory.getLastMigrationNumber()).thenReturn(Optional.of(50L));
 107     List<RegisteredMigrationStep> steps = asList(
 108       new RegisteredMigrationStep(1, "foo", TestBlueGreenMigrationStep.class),
 109       new RegisteredMigrationStep(2, "bar", TestMigrationStep.class));
 110     when(migrationSteps.readFrom(51)).thenReturn(steps);
 111
 112     try {
 113       underTest.execute();
 114       fail();
 115     } catch (IllegalStateException e) {
 116       assertThat(e).hasMessage("All migrations canceled. #2 does not support blue/green deployment: bar");
 117       assertThat(stepRegistry.stepRan).isFalse();
 118     }
 119   }
 120
 121   private static class NoOpExecutor implements MigrationStepsExecutor {
 122     @Override
 123     public void execute(List<RegisteredMigrationStep> steps) {
 124       // no op
 125     }
 126   }
 127
 128   private static class StepRegistry {
 129     boolean stepRan = false;
 130   }
 131
 132   private static class TestMigrationStep implements MigrationStep {
 133     private final StepRegistry registry;
 134
 135     public TestMigrationStep(StepRegistry registry) {
 136       this.registry = registry;
 137     }
 138     @Override
 139     public void execute() throws SQLException {
 140       registry.stepRan = true;
 141     }
 142   }
 143
 144   @SupportsBlueGreen
 145   private static class TestBlueGreenMigrationStep implements MigrationStep {
 146     private final StepRegistry registry;
 147
 148     public TestBlueGreenMigrationStep(StepRegistry registry) {
 149       this.registry = registry;
 150     }
 151     @Override
 152     public void execute() throws SQLException {
 153       registry.stepRan = true;
 154     }
 155   }
 156 }