#919 - io.ebean package initial

src/test/java/io/ebeaninternal/server/expression/NullExpressionTest.java

@@ -0,0 +1,95 @@
+package io.ebeaninternal.server.expression;
+
+import io.ebeaninternal.api.ManyWhereJoins;
+import io.ebeaninternal.api.SpiExpression;
+import org.tests.model.basic.Order;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class NullExpressionTest extends BaseExpressionTest {
+
+  NullExpression nullExp(String propertyName, boolean notNull) {
+    NullExpression expr = new NullExpression(propertyName, notNull);
+    expr.containsMany(getBeanDescriptor(Order.class), new ManyWhereJoins());
+    return expr;
+  }
+
+  @Test
+  public void addSql_when_notNull() throws Exception {
+
+    DefaultExpressionRequest expReq = newExpressionRequest();
+
+    nullExp("id", true).addSql(expReq);
+
+    assertThat(expReq.getSql()).isEqualTo("id is not null ");
+  }
+
+  @Test
+  public void addSql_when_null() throws Exception {
+
+    DefaultExpressionRequest expReq = newExpressionRequest();
+
+    nullExp("id", false).addSql(expReq);
+
+    assertThat(expReq.getSql()).isEqualTo("id is null ");
+  }
+
+  @Test
+  public void addSql_when_notNull_and_assocOne() throws Exception {
+
+    DefaultExpressionRequest expReq = newExpressionRequest();
+
+    nullExp("customer", true).addSql(expReq);
+
+    assertThat(expReq.getSql()).isEqualTo("customer.id is not null ");
+  }
+
+  @Test
+  public void addSql_when_null_and_assocOne() throws Exception {
+
+    DefaultExpressionRequest expReq = newExpressionRequest();
+
+    nullExp("customer", false).addSql(expReq);
+
+    assertThat(expReq.getSql()).isEqualTo("customer.id is null ");
+  }
+
+  @Test
+  public void copyForPlanKey_isSameInstance() throws Exception {
+
+    NullExpression exp = nullExp("customer.name", false);
+    SpiExpression other = exp.copyForPlanKey();
+
+    assertThat(exp).isSameAs(other);
+  }
+
+  @Test
+  public void isSameByBind_true() throws Exception {
+
+    assertThat(nullExp("customer.name", false)
+      .isSameByBind(nullExp("customer.name", false))).isTrue();
+  }
+
+  @Test
+  public void isSameByPlan_true() throws Exception {
+
+    assertThat(nullExp("customer.name", false)
+      .isSameByPlan(nullExp("customer.name", false))).isTrue();
+  }
+
+  @Test
+  public void isSameByPlan_false_when_notNullDiff() throws Exception {
+
+    assertThat(new NullExpression("customer.name", false)
+      .isSameByPlan(new NullExpression("customer.name", true))).isFalse();
+  }
+
+  @Test
+  public void isSameByPlan_false_when_propertyNameDiff() throws Exception {
+
+    assertThat(new NullExpression("customer.startDate", true)
+      .isSameByPlan(new NullExpression("customer.name", true))).isFalse();
+  }
+
+}