From fb2488e3b89646a739b7ff5a8008d8e978c733f1 Mon Sep 17 00:00:00 2001
From: Victor Jimenez Kwast <victor.jimenezkwast@nedap.com>
Date: Fri, 20 May 2016 00:21:33 +0200
Subject: [PATCH] Added tests for query isNull expressions

---
 .../avaje/tests/query/TestQueryIsNull.java    | 58 +++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/test/java/com/avaje/tests/query/TestQueryIsNull.java

diff --git a/src/test/java/com/avaje/tests/query/TestQueryIsNull.java b/src/test/java/com/avaje/tests/query/TestQueryIsNull.java
new file mode 100644
index 000000000..5998df113
--- /dev/null
+++ b/src/test/java/com/avaje/tests/query/TestQueryIsNull.java
@@ -0,0 +1,58 @@
+package com.avaje.tests.query;
+
+import com.avaje.ebean.BaseTestCase;
+import com.avaje.ebean.Ebean;
+import com.avaje.ebean.Query;
+import com.avaje.tests.model.basic.Order;
+import com.avaje.tests.model.basic.ResetBasicData;
+import com.avaje.tests.model.m2m.Role;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestQueryIsNull extends BaseTestCase {
+
+
+    @Test
+    public void queryShouldContainIsNullOnColumn() {
+        ResetBasicData.reset();
+
+        Query<Order> query = Ebean.find(Order.class).where().isNull("customerName").query();
+        query.findList();
+
+        Assert.assertTrue(query.getGeneratedSql().contains("name is null"));
+    }
+
+    @Test
+    public void queryShouldLeftJoinForOneToManyInDisjunction() {
+        ResetBasicData.reset();
+
+        Query<Order> query = Ebean.find(Order.class).where().disjunction().isNull("details").endJunction().query();
+        query.findList();
+
+        Assert.assertTrue(query.getGeneratedSql().contains("left outer join"));
+        Assert.assertTrue(query.getGeneratedSql().contains("is null"));
+    }
+
+    @Test
+    public void queryShouldLeftJoinForOneToManyRelation() {
+        ResetBasicData.reset();
+
+        Query<Order> query = Ebean.find(Order.class).where().isNull("details").query();
+        query.findList();
+
+        Assert.assertTrue(query.getGeneratedSql().contains("left outer join"));
+        Assert.assertTrue(query.getGeneratedSql().contains("is null"));
+
+    }
+
+    @Test
+    public void queryShouldLeftJoinForManyToManyRelation() {
+        ResetBasicData.reset();
+
+        Query<Role> query = Ebean.find(Role.class).where().isNull("permissions").query();
+        query.findList();
+
+        Assert.assertTrue(query.getGeneratedSql().contains("left outer join"));
+        Assert.assertTrue(query.getGeneratedSql().contains("is null"));
+    }
+}