#566 - Refactor internals - SpiExpression, add prepareExpression() to merge queryAutoTuneHash() and queryPlanHash() - sameByPlan() & sameByBind()

src/test/java/com/avaje/ebeaninternal/server/deploy/TableJoinTest.java

@@ -0,0 +1,67 @@
+package com.avaje.ebeaninternal.server.deploy;
+
+
+import com.avaje.ebeaninternal.server.deploy.meta.DeployTableJoin;
+import com.avaje.ebeaninternal.server.deploy.meta.DeployTableJoinColumn;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TableJoinTest {
+
+  DeployTableJoinColumn col(String localDbColumn, String foreignDbColumn, boolean insertable, boolean updateable) {
+    return new DeployTableJoinColumn(localDbColumn, foreignDbColumn, insertable, updateable);
+  }
+
+  TableJoin table(String tableName, String col1, String col2) {
+    DeployTableJoin deploy = new DeployTableJoin();
+    deploy.setTable(tableName);
+    deploy.addJoinColumn(col(col1, col2, true, true));
+    return new TableJoin(deploy);
+  }
+
+  TableJoin table(String tableName, String col1, String col2, String col3, String col4) {
+    DeployTableJoin deploy = new DeployTableJoin();
+    deploy.setTable(tableName);
+    deploy.addJoinColumn(col(col1, col2, true, true));
+    deploy.addJoinColumn(col(col3, col4, true, true));
+    return new TableJoin(deploy);
+  }
+
+  @Test
+  public void equals_when_same() {
+    assertSame(table("myTable", "a", "b"), table("myTable", "a", "b"));
+  }
+
+  @Test
+  public void equals_when_diffTable() {
+    assertDifferent(table("myTable", "a", "b"), table("diffTable", "a", "b"));
+  }
+
+  @Test
+  public void equals_when_diffColumn() {
+    assertDifferent(table("myTable", "a", "b"), table("myTable", "c", "b"));
+  }
+
+  @Test
+  public void equals_when_moreColumns() {
+    assertDifferent(table("myTable", "a", "b"), table("myTable", "a", "b", "c", "d"));
+  }
+
+  @Test
+  public void equals_when_lessColumns() {
+    assertDifferent(table("myTable", "a", "b", "c", "d"), table("myTable", "a", "b"));
+  }
+
+  void assertSame(TableJoin join1, TableJoin join2) {
+    assertThat(join1).isEqualTo(join1);
+    assertThat(join1.hashCode()).isEqualTo(join1.hashCode());
+  }
+
+
+  void assertDifferent(TableJoin join1, TableJoin join2) {
+    assertThat(join1).isNotEqualTo(join2);
+    assertThat(join1.hashCode()).isNotEqualTo(join2.hashCode());
+  }
+
+}