/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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 com.datastax.driver.core;
import org.testng.annotations.Test;
import static com.datastax.driver.core.Assertions.assertThat;
public abstract class AbstractBatchIdempotencyTest {
protected abstract TestBatch createBatch();
/**
* Unify Batch and BatchStatement to avoid duplicating all tests
*/
protected interface TestBatch {
//Batch only accepts RegularStatement, so we use it for common interface
void add(RegularStatement statement);
Boolean isIdempotent();
void setIdempotent(boolean idempotent);
}
@Test(groups = "unit")
public void isIdempotent_should_return_true_if_no_statements_added() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
}
@Test(groups = "unit")
public void isIdempotent_should_return_true_if_all_statements_are_idempotent() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
}
@Test(groups = "unit")
public void isIdempotent_should_return_false_if_any_statements_is_nonidempotent() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(false));
assertThat(batch.isIdempotent()).isFalse();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isFalse();
}
@Test(groups = "unit")
public void isIdempotent_should_return_null_if_no_nonidempotent_statements_and_some_are_nullidempotent() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(null));
assertThat(batch.isIdempotent()).isNull();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isNull();
}
@Test(groups = "unit")
public void isIdempotent_should_return_false_if_both_nonidempotent_and_nullidempotent_statements_present() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(null));
assertThat(batch.isIdempotent()).isNull();
batch.add(statementWithIdempotency(false));
assertThat(batch.isIdempotent()).isFalse();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isFalse();
batch.add(statementWithIdempotency(null));
assertThat(batch.isIdempotent()).isFalse();
batch.add(statementWithIdempotency(false));
assertThat(batch.isIdempotent()).isFalse();
}
@Test(groups = "unit")
public void isIdempotent_should_return_override_flag_if_no_statements_added() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.setIdempotent(false);
assertThat(batch.isIdempotent()).isFalse();
}
@Test(groups = "unit")
public void isIdempotent_should_return_override_flag_if_calculated_idempotency_true() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(true));
assertThat(batch.isIdempotent()).isTrue();
batch.setIdempotent(false);
assertThat(batch.isIdempotent()).isFalse();
}
@Test(groups = "unit")
public void isIdempotent_should_return_override_flag_if_calculated_idempotency_null() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(null));
assertThat(batch.isIdempotent()).isNull();
batch.setIdempotent(false);
assertThat(batch.isIdempotent()).isFalse();
}
@Test(groups = "unit")
public void isIdempotent_should_return_override_flag_if_calculated_idempotency_false() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(false));
assertThat(batch.isIdempotent()).isFalse();
batch.setIdempotent(true);
assertThat(batch.isIdempotent()).isTrue();
}
@Test(groups = "unit")
public void isIdempotent_should_return_override_flag_if_calculated_idempotency_equals_override_value() {
TestBatch batch = createBatch();
assertThat(batch.isIdempotent()).isTrue();
batch.add(statementWithIdempotency(false));
assertThat(batch.isIdempotent()).isFalse();
batch.setIdempotent(false);
assertThat(batch.isIdempotent()).isFalse();
}
private RegularStatement statementWithIdempotency(Boolean idempotency) {
RegularStatement statement = new SimpleStatement("fake statement");
if (idempotency != null) {
statement.setIdempotent(idempotency);
assertThat(statement.isIdempotent()).isEqualTo(idempotency);
} else {
assertThat(statement.isIdempotent()).isNull();
}
return statement;
}
}