Examples with DatabaseStateService org.neo4j.dbms.DatabaseStateService used on opensource projects

Example 16 with DatabaseStateService

use of org.neo4j.dbms.DatabaseStateService in project neo4j by neo4j.

the class DatabaseStartupTest method startTheDatabaseWithWrongVersionShouldFailWithUpgradeNotAllowed.

@Test
void startTheDatabaseWithWrongVersionShouldFailWithUpgradeNotAllowed() throws Throwable {
    // given
    // create a store
    DatabaseManagementService managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
    GraphDatabaseAPI db = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    try (Transaction tx = db.beginTx()) {
        tx.createNode();
        tx.commit();
    }
    managementService.shutdown();
    // mess up the version in the metadatastore
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        ThreadPoolJobScheduler scheduler = new ThreadPoolJobScheduler();
        PageCache pageCache = createPageCache(fileSystem, scheduler, PageCacheTracer.NULL)) {
        MetaDataStore.setRecord(pageCache, databaseLayout.metadataStore(), MetaDataStore.Position.STORE_VERSION, MetaDataStore.versionStringToLong("bad"), databaseLayout.getDatabaseName(), NULL);
    }
    managementService = new TestDatabaseManagementServiceBuilder(databaseLayout).build();
    GraphDatabaseAPI databaseService = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    try {
        assertThrows(DatabaseShutdownException.class, databaseService::beginTx);
        DatabaseStateService dbStateService = databaseService.getDependencyResolver().resolveDependency(DatabaseStateService.class);
        assertTrue(dbStateService.causeOfFailure(databaseService.databaseId()).isPresent());
        Throwable throwable = findCauseOrSuppressed(dbStateService.causeOfFailure(databaseService.databaseId()).get(), e -> e instanceof IllegalArgumentException).get();
        assertEquals("Unknown store version 'bad'", throwable.getMessage());
    } finally {
        managementService.shutdown();
    }
}