#414 - Enh info: @History support for H2

src/test/java/com/avaje/ebean/dbmigration/model/ModelContainerApplyTest.java

@@ -35,7 +35,7 @@ public class ModelContainerApplyTest {
     assertThat(foo.getComment()).isEqualTo("comment");
     assertThat(foo.getTablespace()).isEqualTo("fooSpace");
     assertThat(foo.getIndexTablespace()).isEqualTo("fooIndexSpace");
-    assertThat(foo.isWithHistory()).isEqualTo(true);
+    assertThat(foo.isWithHistory()).isEqualTo(false);
     assertThat(foo.getColumns()).containsKeys("col1", "col3", "added_to_foo");
   }
 }

src/test/java/com/avaje/tests/history/TestHistoryInsert.java

@@ -0,0 +1,83 @@
+package com.avaje.tests.history;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+import com.avaje.ebean.SqlQuery;
+import com.avaje.ebean.SqlRow;
+import com.avaje.ebean.Version;
+import com.avaje.tests.model.converstation.User;
+import org.junit.Test;
+
+import java.sql.Timestamp;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestHistoryInsert extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    User user = new User();
+    user.setName("Jim");
+    user.setEmail("one@email.com");
+
+    Ebean.save(user);
+
+    Timestamp afterInsert = new Timestamp(System.currentTimeMillis());
+
+    List<SqlRow> history = fetchHistory(user);
+    assertThat(history).isEmpty();
+
+    List<Version<User>> versions = Ebean.find(User.class).setId(user.getId()).findVersions();
+    assertThat(versions).hasSize(1);
+
+    user.setName("Jim v2");
+    Ebean.save(user);
+
+    history = fetchHistory(user);
+    assertThat(history).hasSize(1);
+    assertThat(history.get(0).getString("name")).isEqualTo("Jim");
+
+    versions = Ebean.find(User.class).setId(user.getId()).findVersions();
+    assertThat(versions).hasSize(2);
+    assertThat(versions.get(0).getDiff()).containsKeys("name", "version", "whenModified");
+
+    user.setName("Jim v3");
+    user.setEmail("three@email.com");
+    Ebean.save(user);
+
+    history = fetchHistory(user);
+    assertThat(history).hasSize(2);
+    assertThat(history.get(1).getString("name")).isEqualTo("Jim v2");
+    assertThat(history.get(1).getString("email")).isEqualTo("one@email.com");
+
+    versions = Ebean.find(User.class).setId(user.getId()).findVersions();
+    assertThat(versions).hasSize(3);
+    assertThat(versions.get(0).getDiff()).containsKeys("name", "email", "version", "whenModified");
+
+    Ebean.delete(user);
+
+    User earlyVersion = Ebean.find(User.class).setId(user.getId()).asOf(afterInsert).findUnique();
+    assertThat(earlyVersion.getName()).isEqualTo("Jim");
+    assertThat(earlyVersion.getEmail()).isEqualTo("one@email.com");
+
+
+    history = fetchHistory(user);
+    assertThat(history).hasSize(3);
+    assertThat(history.get(2).getString("name")).isEqualTo("Jim v3");
+    assertThat(history.get(2).getString("email")).isEqualTo("three@email.com");
+
+    versions = Ebean.find(User.class).setId(user.getId()).findVersions();
+    assertThat(versions).hasSize(3);
+  }
+
+  /**
+   * Use SqlQuery to query the history table directly.
+   */
+  private List<SqlRow> fetchHistory(User user) {
+    SqlQuery sqlQuery = Ebean.createSqlQuery("select * from c_user_history where id = :id order by sys_period_start");
+    sqlQuery.setParameter("id", user.getId());
+    return sqlQuery.findList();
+  }
+}

src/test/java/com/avaje/tests/model/converstation/User.java

@@ -4,8 +4,10 @@ import javax.persistence.Entity;
 import javax.persistence.ManyToOne;
 import javax.persistence.Table;
 
+import com.avaje.ebean.annotation.History;
 import com.avaje.tests.model.BaseModel;
 
+@History
 @Entity
 @Table(name="c_user")
 public class User extends BaseModel {