/*
* Copyright Terracotta, 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 org.ehcache.internal.store;
import org.ehcache.core.spi.store.Store;
import org.ehcache.core.spi.store.Store.RemoveStatus;
import org.ehcache.core.spi.store.StoreAccessException;
import org.ehcache.spi.test.After;
import org.ehcache.spi.test.LegalSPITesterException;
import org.ehcache.spi.test.SPITest;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
/**
* Test the {@link Store#remove(Object, Object)} contract of the
* {@link Store Store} interface.
*
* @author Aurelien Broszniowski
*/
public class StoreRemoveKeyValueTest<K, V> extends SPIStoreTester<K, V> {
public StoreRemoveKeyValueTest(final StoreFactory<K, V> factory) {
super(factory);
}
protected Store<K, V> kvStore;
protected Store<K, V> kvStore2;
@After
public void tearDown() {
if (kvStore != null) {
factory.close(kvStore);
kvStore = null;
}
if (kvStore2 != null) {
factory.close(kvStore2);
kvStore2 = null;
}
}
@SPITest
public void removeEntryForKeyIfMappedToValue()
throws IllegalAccessException, InstantiationException, StoreAccessException, LegalSPITesterException {
kvStore = factory.newStore();
K key = factory.createKey(1L);
V value = factory.createValue(1L);
kvStore.put(key, value);
K equalKey = factory.createKey(1L);
V equalValue = factory.createValue(1L);
assertThat(key, is(equalKey));
assertThat(value, is(equalValue));
try {
kvStore.remove(equalKey, equalValue);
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
assertThat(kvStore.containsKey(key), is(false));
}
@SPITest
public void doNothingForKeyNotMappedToValue()
throws IllegalAccessException, InstantiationException, StoreAccessException {
kvStore = factory.newStore();
K key = factory.createKey(1);
V value = factory.createValue(1);
assertThat(kvStore.containsKey(key), is(false));
try {
RemoveStatus status = kvStore.remove(key, value);
assertThat(status, is(RemoveStatus.KEY_MISSING));
} catch (StoreAccessException e) {
throw new AssertionError(e);
}
}
@SPITest
public void doNothingForWrongValue()
throws IllegalAccessException, InstantiationException, StoreAccessException {
kvStore = factory.newStore();
K key = factory.createKey(1);
V value = factory.createValue(1L);
kvStore.put(key, value);
V notEqualValue = factory.createValue(2L);
assertThat(value, not(notEqualValue));
try {
assertThat(kvStore.remove(key, notEqualValue), is(RemoveStatus.KEY_PRESENT));
} catch (StoreAccessException e) {
throw new AssertionError(e);
}
}
@SPITest
public void returnRemovedIfValueWasRemoved()
throws IllegalAccessException, InstantiationException, StoreAccessException, LegalSPITesterException {
kvStore = factory.newStore();
K key = factory.createKey(1);
V value = factory.createValue(1);
kvStore.put(key, value);
assertThat(kvStore.containsKey(key), is(true));
try {
assertThat(kvStore.remove(key, value), is(RemoveStatus.REMOVED));
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
@SPITest
public void returnKeyMisingIfValueWasNotRemoved()
throws IllegalAccessException, InstantiationException, StoreAccessException, LegalSPITesterException {
kvStore = factory.newStore();
K key = factory.createKey(1);
V value = factory.createValue(1);
assertThat(kvStore.containsKey(key), is(false));
try {
assertThat(kvStore.remove(key, value), is(RemoveStatus.KEY_MISSING));
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
@SPITest
public void nullKeyThrowsException()
throws IllegalAccessException, InstantiationException, LegalSPITesterException {
kvStore = factory.newStore();
K key = null;
V value = factory.createValue(1);
try {
kvStore.remove(key, value);
throw new AssertionError("Expected NullPointerException because the key is null");
} catch (NullPointerException e) {
// expected
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
@SPITest
public void nullValueThrowsException()
throws IllegalAccessException, InstantiationException, LegalSPITesterException {
kvStore = factory.newStore();
K key = factory.createKey(1);
V value = null;
try {
kvStore.remove(key, value);
throw new AssertionError("Expected NullPointerException because the value is null");
} catch (NullPointerException e) {
// expected
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
@SPITest
@SuppressWarnings("unchecked" )
public void wrongKeyTypeThrowsException()
throws IllegalAccessException, InstantiationException, LegalSPITesterException {
kvStore2 = factory.newStore();
V value = factory.createValue(1);
try {
if (this.factory.getKeyType() == String.class) {
kvStore2.remove((K) (Object) 1.0f, value);
} else {
kvStore2.remove((K) (Object) "key", value);
}
throw new AssertionError("Expected ClassCastException because the key is of the wrong type");
} catch (ClassCastException e) {
// expected
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
@SPITest
@SuppressWarnings("unchecked")
public void wrongValueTypeThrowsException()
throws IllegalAccessException, InstantiationException, LegalSPITesterException {
kvStore2 = factory.newStore();
K key = factory.createKey(1);
try {
if (this.factory.getValueType() == String.class) {
kvStore2.remove(key, (V) (Object) 1.0f);
} else {
kvStore2.remove(key, (V) (Object) "value");
}
throw new AssertionError("Expected ClassCastException because the value is of the wrong type");
} catch (ClassCastException e) {
// expected
} catch (StoreAccessException e) {
throw new LegalSPITesterException("Warning, an exception is thrown due to the SPI test");
}
}
}