Refactor move tests from ebean-core to ebean-test

ebean-test/src/test/java/org/tests/basic/TestAssocOneEqExpression.java

@@ -0,0 +1,44 @@
+package org.tests.basic;
+
+import io.ebean.BaseTestCase;
+import io.ebean.DB;
+import io.ebean.Query;
+import org.tests.model.basic.Address;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.Order;
+import org.tests.model.basic.ResetBasicData;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class TestAssocOneEqExpression extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    ResetBasicData.reset();
+
+    Customer c = new Customer();
+    c.setId(1);
+
+    Query<Order> query = DB.find(Order.class)
+      .where().eq("customer", c)
+      .query();
+
+    query.findList();
+    String sql = query.getGeneratedSql();
+    assertTrue(sql.contains("where t0.kcustomer_id = ?"));
+
+    Address b = new Address();
+    b.setId(1);
+
+    Query<Order> q2 = DB.find(Order.class)
+      .where().eq("customer.billingAddress", b)
+      .query();
+
+    q2.findList();
+    sql = q2.getGeneratedSql();
+    assertTrue(sql.contains("where t1.billing_address_id = ?"));
+
+  }
+}