Moved DbMigrationtests test to "ebean-tests"

ebean-test/src/test/java/io/ebeaninternal/dbmigration/DbMigrationGenerateTest.java

@@ -0,0 +1,126 @@
+package io.ebeaninternal.dbmigration;
+
+import io.ebean.Database;
+import io.ebean.DatabaseFactory;
+import io.ebean.annotation.Platform;
+import io.ebean.config.DatabaseConfig;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+
+/**
+ * This is the Migrationscript generator. It generates 3 migrationscript for the models
+ * @author Roland Praml, FOCONIS AG
+ *
+ */
+public class DbMigrationGenerateTest {
+
+  private static final Logger logger = LoggerFactory.getLogger(DbMigrationGenerateTest.class);
+
+  public static void main(String[] args) throws IOException {
+    run("ebean-ddl-generator/src/test/resources");
+  }
+
+  @Test
+  public void invokeTest() throws IOException {
+    run("src/test/resources");
+  }
+
+  public static void run(String pathToResources) throws IOException {
+    logger.info("start current directory: " + new File(".").getAbsolutePath());
+
+    DefaultDbMigration migration = new DefaultDbMigration();
+    migration.setIncludeIndex(true);
+    // We use src/test/resources as output directory (so we see in GIT if files will change)
+    migration.setPathToResources(pathToResources);
+    migration.setMigrationPath("db/migration");
+    migration.setMigrationPath(null); // use the default for this test
+
+    // migration.addPlatform(Platform.GENERIC, "generic"); there is no ddl handler for generic
+    // migration.addPlatform(Platform.SQLANYWHERE, "sqlanywhere"); and sqlanywhere
+    migration.addPlatform(Platform.DB2);
+    migration.addPlatform(Platform.H2);
+    migration.addPlatform(Platform.HSQLDB, "hsqldb");
+    migration.addPlatform(Platform.MYSQL, "mysql");
+    migration.addPlatform(Platform.MYSQL55, "mysql55");
+    migration.addPlatform(Platform.POSTGRES);
+    migration.addPlatform(Platform.ORACLE);
+    migration.addPlatform(Platform.SQLITE);
+    migration.addPlatform(Platform.SQLSERVER17, "sqlserver17");
+    migration.addPlatform(Platform.HANA);
+
+    DatabaseConfig config = new DatabaseConfig();
+    config.setName("migrationtest");
+    config.loadFromProperties();
+    config.setRegister(false);
+    config.setDefaultServer(false);
+    config.getProperties().put("ebean.hana.generateUniqueDdl", "true"); // need to generate unique statements to prevent them from being filtered out as duplicates by the DdlRunner
+
+
+    config.setPackages(Arrays.asList("misc.migration.v1_0"));
+    Database server = DatabaseFactory.create(config);
+    migration.setServer(server);
+
+    // First, we clean up the output-directory
+    assertThat(migration.migrationDirectory().getAbsolutePath()).contains("migrationtest");
+    Files.walk(migration.migrationDirectory().toPath())
+      .filter(Files::isRegularFile).map(Path::toFile).forEach(File::delete);
+
+    // then we generate migration scripts for v1_0
+    assertThat(migration.generateMigration()).isEqualTo("1.0__initial");
+    // and we check repeatative calls
+    assertThat(migration.generateMigration()).isNull();
+
+    // and now for v1_1
+    config.setPackages(Arrays.asList("misc.migration.v1_1"));
+    server.shutdown();
+    server = DatabaseFactory.create(config);
+    migration.setServer(server);
+    assertThat(migration.generateMigration()).isEqualTo("1.1");
+    assertThat(migration.generateMigration()).isNull(); // subsequent call
+
+
+
+    System.setProperty("ddl.migration.pendingDropsFor", "1.1");
+    assertThat(migration.generateMigration()).isEqualTo("1.2__dropsFor_1.1");
+
+    assertThatThrownBy(()->migration.generateMigration())
+      .isInstanceOf(IllegalArgumentException.class)
+      .hasMessageContaining("No 'pendingDrops'"); // subsequent call
+
+    System.clearProperty("ddl.migration.pendingDropsFor");
+    assertThat(migration.generateMigration()).isNull(); // subsequent call
+
+    // and now for v1_2 with
+    config.setPackages(Arrays.asList("misc.migration.v1_2"));
+    server.shutdown();
+    server = DatabaseFactory.create(config);
+    migration.setServer(server);
+    assertThat(migration.generateMigration()).isEqualTo("1.3");
+    assertThat(migration.generateMigration()).isNull(); // subsequent call
+
+
+    System.setProperty("ddl.migration.pendingDropsFor", "1.3");
+    assertThat(migration.generateMigration()).isEqualTo("1.4__dropsFor_1.3");
+    assertThatThrownBy(migration::generateMigration)
+      .isInstanceOf(IllegalArgumentException.class)
+      .hasMessageContaining("No 'pendingDrops'"); // subsequent call
+
+    System.clearProperty("ddl.migration.pendingDropsFor");
+    assertThat(migration.generateMigration()).isNull(); // subsequent call
+
+    server.shutdown();
+    logger.info("end");
+  }
+
+}