Add test for general insert

Author: jeffgbutler

src/test/java/org/mybatis/dynamic/sql/insert/GeneralInsertStatementTest.java

@@ -0,0 +1,105 @@
+/**
+ *    Copyright 2016-2020 the original author or authors.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+package org.mybatis.dynamic.sql.insert;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mybatis.dynamic.sql.SqlBuilder.insertInto;
+
+import java.sql.JDBCType;
+
+import org.junit.jupiter.api.Test;
+import org.mybatis.dynamic.sql.SqlColumn;
+import org.mybatis.dynamic.sql.SqlTable;
+import org.mybatis.dynamic.sql.insert.render.GeneralInsertStatementProvider;
+import org.mybatis.dynamic.sql.render.RenderingStrategies;
+
+public class GeneralInsertStatementTest {
+
+    private static final SqlTable foo = SqlTable.of("foo");
+    private static final SqlColumn<Integer> id = foo.column("id", JDBCType.INTEGER);
+    private static final SqlColumn<String> firstName = foo.column("first_name", JDBCType.VARCHAR);
+    private static final SqlColumn<String> lastName = foo.column("last_name", JDBCType.VARCHAR);
+    private static final SqlColumn<String> occupation = foo.column("occupation", JDBCType.VARCHAR);
+    
+    @Test
+    public void testFullInsertStatementBuilder() {
+
+        GeneralInsertStatementProvider insertStatement = insertInto(foo)
+                .set(id).equalTo(2)
+                .set(firstName).equalTo("Jones")
+                .set(occupation).equalTo("dino driver")
+                .build()
+                .render(RenderingStrategies.MYBATIS3);
+        
+        String expectedStatement = "insert into foo "
+                + "(id, first_name, occupation) "
+                + "values (#{parameters.p1,jdbcType=INTEGER}, #{parameters.p2,jdbcType=VARCHAR}, #{parameters.p3,jdbcType=VARCHAR})";
+        
+        assertThat(insertStatement.getInsertStatement()).isEqualTo(expectedStatement);
+    }
+
+    @Test
+    public void testInsertStatementBuilderWithNulls() {
+
+        GeneralInsertStatementProvider insertStatement = insertInto(foo)
+                .set(id).equalTo(1)
+                .set(firstName).equalTo("Fred")
+                .set(lastName).equalTo("Smith")
+                .set(occupation).equalToNull()
+                .build()
+                .render(RenderingStrategies.MYBATIS3);
+
+        String expected = "insert into foo (id, first_name, last_name, occupation) "
+                + "values (#{parameters.p1,jdbcType=INTEGER}, #{parameters.p2,jdbcType=VARCHAR}, #{parameters.p3,jdbcType=VARCHAR}, null)";
+        assertThat(insertStatement.getInsertStatement()).isEqualTo(expected);
+    }
+
+    @Test
+    public void testInsertStatementBuilderWithConstants() {
+
+        GeneralInsertStatementProvider insertStatement = insertInto(foo)
+                .set(id).equalToConstant("3")
+                .set(firstName).equalTo("Fred")
+                .set(lastName).equalTo("Jones")
+                .set(occupation).equalToStringConstant("Y")
+                .build()
+                .render(RenderingStrategies.MYBATIS3);
+
+        String expected = "insert into foo (id, first_name, last_name, occupation) "
+                + "values (3, #{parameters.p1,jdbcType=VARCHAR}, #{parameters.p2,jdbcType=VARCHAR}, 'Y')";
+        assertThat(insertStatement.getInsertStatement()).isEqualTo(expected);
+    }
+    
+    @Test
+    public void testSelectiveInsertStatementBuilder() {
+        Integer myId = null;
+        String myFirstName = null;
+        String myLastName = "jones";
+        String myOccupation = "dino driver";
+        
+        GeneralInsertStatementProvider insertStatement = insertInto(foo)
+                .set(id).equalToWhenPresent(() -> myId)
+                .set(firstName).equalToWhenPresent(myFirstName)
+                .set(lastName).equalToWhenPresent(() -> myLastName)
+                .set(occupation).equalToWhenPresent(myOccupation)
+                .build()
+                .render(RenderingStrategies.MYBATIS3);
+
+        String expected = "insert into foo (last_name, occupation) "
+                + "values (#{parameters.p1,jdbcType=VARCHAR}, #{parameters.p2,jdbcType=VARCHAR})";
+        assertThat(insertStatement.getInsertStatement()).isEqualTo(expected);
+    }
+}