content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 com.datastax.oss.driver.api.querybuilder.delete;
  
  import static com.datastax.oss.driver.api.querybuilder.Assertions.assertThat;
  import static com.datastax.oss.driver.api.querybuilder.QueryBuilder.bindMarker;
  import static com.datastax.oss.driver.api.querybuilder.QueryBuilder.deleteFrom;
  import static com.datastax.oss.driver.api.querybuilder.QueryBuilder.literal;
  
  import org.junit.Test;
  
  public class DeleteFluentConditionTest {
  
    @Test
    public void should_generate_simple_column_condition() {
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifColumn("v")
                  .isEqualTo(literal(1)))
          .hasCql("DELETE FROM foo WHERE k=? IF v=1");
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifColumn("v1")
                  .isEqualTo(literal(1))
                  .ifColumn("v2")
                  .isEqualTo(literal(2)))
          .hasCql("DELETE FROM foo WHERE k=? IF v1=1 AND v2=2");
    }
  
    @Test
    public void should_generate_field_condition() {
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifField("v", "f")
                  .isEqualTo(literal(1)))
          .hasCql("DELETE FROM foo WHERE k=? IF v.f=1");
    }
  
    @Test
    public void should_generate_element_condition() {
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifElement("v", literal(1))
                  .isEqualTo(literal(1)))
          .hasCql("DELETE FROM foo WHERE k=? IF v[1]=1");
    }
  
    @Test
    public void should_generate_if_exists_condition() {
      assertThat(deleteFrom("foo").whereColumn("k").isEqualTo(bindMarker()).ifExists())
          .hasCql("DELETE FROM foo WHERE k=? IF EXISTS");
    }
  
    @Test
    public void should_cancel_if_exists_if_other_condition_added() {
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifExists()
                  .ifColumn("v")
                  .isEqualTo(literal(1)))
          .hasCql("DELETE FROM foo WHERE k=? IF v=1");
    }
  
    @Test
    public void should_cancel_other_conditions_if_if_exists_added() {
      assertThat(
              deleteFrom("foo")
                  .whereColumn("k")
                  .isEqualTo(bindMarker())
                  .ifColumn("v1")
                  .isEqualTo(literal(1))
                  .ifColumn("v2")
                  .isEqualTo(literal(2))
                  .ifExists())
          .hasCql("DELETE FROM foo WHERE k=? IF EXISTS");
    }
  }
  