/*
* Copyright 2015-2017 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.springframework.data.querydsl.binding;
import static org.assertj.core.api.Assertions.*;
import java.util.Optional;
import org.junit.Before;
import org.junit.Test;
import org.springframework.core.convert.support.DefaultConversionService;
import org.springframework.data.querydsl.QSpecialUser;
import org.springframework.data.querydsl.QUser;
import org.springframework.data.querydsl.SimpleEntityPathResolver;
import org.springframework.data.querydsl.User;
import org.springframework.data.util.ClassTypeInformation;
import com.querydsl.core.types.Path;
import com.querydsl.core.types.Predicate;
import com.querydsl.core.types.dsl.StringPath;
/**
* Unit tests for {@link QuerydslBindings}.
*
* @author Oliver Gierke
* @author Christoph Strobl
*/
public class QuerydslBindingsUnitTests {
QuerydslPredicateBuilder builder;
QuerydslBindings bindings;
static final SingleValueBinding<StringPath, String> CONTAINS_BINDING = (path, value) -> path.contains(value);
@Before
public void setUp() {
this.builder = new QuerydslPredicateBuilder(new DefaultConversionService(), SimpleEntityPathResolver.INSTANCE);
this.bindings = new QuerydslBindings();
}
@Test(expected = IllegalArgumentException.class) // DATACMNS-669
public void rejectsNullPath() {
bindings.getBindingForPath(null);
}
@Test // DATACMNS-669
public void returnsEmptyOptionalIfNoBindingRegisteredForPath() {
PathInformation path = PropertyPathInformation.of("lastname", User.class);
assertThat(bindings.getBindingForPath(path)).isEmpty();
}
@Test // DATACMNS-669
public void returnsRegisteredBindingForSimplePath() {
bindings.bind(QUser.user.firstname).first(CONTAINS_BINDING);
PathInformation path = PropertyPathInformation.of("firstname", User.class);
assertAdapterWithTargetBinding(bindings.getBindingForPath(path), CONTAINS_BINDING);
}
@Test // DATACMNS-669
public void getBindingForPathShouldReturnSpeficicBindingForNestedElementsWhenAvailable() {
bindings.bind(QUser.user.address.street).first(CONTAINS_BINDING);
PathInformation path = PropertyPathInformation.of("address.street", User.class);
assertAdapterWithTargetBinding(bindings.getBindingForPath(path), CONTAINS_BINDING);
}
@Test // DATACMNS-669
public void getBindingForPathShouldReturnSpeficicBindingForTypes() {
bindings.bind(String.class).first(CONTAINS_BINDING);
PathInformation path = PropertyPathInformation.of("address.street", User.class);
assertAdapterWithTargetBinding(bindings.getBindingForPath(path), CONTAINS_BINDING);
}
@Test // DATACMNS-669
public void propertyNotExplicitlyIncludedAndWithoutTypeBindingIsNotAvailable() {
bindings.bind(String.class).first(CONTAINS_BINDING);
PathInformation path = PropertyPathInformation.of("inceptionYear", User.class);
assertThat(bindings.getBindingForPath(path)).isEmpty();
}
@Test // DATACMNS-669
public void pathIsAvailableIfTypeBasedBindingWasRegistered() {
bindings.bind(String.class).first(CONTAINS_BINDING);
assertThat(bindings.isPathAvailable("inceptionYear", User.class)).isTrue();
}
@Test // DATACMNS-669
public void explicitlyIncludedPathIsAvailable() {
bindings.including(QUser.user.inceptionYear);
assertThat(bindings.isPathAvailable("inceptionYear", User.class)).isTrue();
}
@Test // DATACMNS-669
public void notExplicitlyIncludedPathIsNotAvailable() {
bindings.including(QUser.user.inceptionYear);
assertThat(bindings.isPathAvailable("firstname", User.class)).isFalse();
}
@Test // DATACMNS-669
public void excludedPathIsNotAvailable() {
bindings.excluding(QUser.user.inceptionYear);
assertThat(bindings.isPathAvailable("inceptionYear", User.class)).isFalse();
}
@Test // DATACMNS-669
public void pathIsAvailableIfNotExplicitlyExcluded() {
bindings.excluding(QUser.user.inceptionYear);
assertThat(bindings.isPathAvailable("firstname", User.class)).isTrue();
}
@Test // DATACMNS-669
public void pathIsAvailableIfItsBothBlackAndWhitelisted() {
bindings.excluding(QUser.user.firstname);
bindings.including(QUser.user.firstname);
assertThat(bindings.isPathAvailable("firstname", User.class)).isTrue();
}
@Test // DATACMNS-669
public void nestedPathIsNotAvailableIfAParanetPathWasExcluded() {
bindings.excluding(QUser.user.address);
assertThat(bindings.isPathAvailable("address.city", User.class)).isFalse();
}
@Test // DATACMNS-669
public void pathIsAvailableIfConcretePathIsAvailableButParentExcluded() {
bindings.excluding(QUser.user.address);
bindings.including(QUser.user.address.city);
assertThat(bindings.isPathAvailable("address.city", User.class)).isTrue();
}
@Test // DATACMNS-669
public void isPathAvailableShouldReturnFalseWhenPartialPathContainedInExcludingAndConcretePathToDifferentPropertyIsIncluded() {
bindings.excluding(QUser.user.address);
bindings.including(QUser.user.address.city);
assertThat(bindings.isPathAvailable("address.street", User.class)).isFalse();
}
@Test // DATACMNS-669
public void whitelistsPropertiesCorrectly() {
bindings.including(QUser.user.firstname, QUser.user.address.street);
assertThat(bindings.isPathAvailable("firstname", User.class)).isTrue();
assertThat(bindings.isPathAvailable("address.street", User.class)).isTrue();
assertThat(bindings.isPathAvailable("lastname", User.class)).isFalse();
assertThat(bindings.isPathAvailable("address.city", User.class)).isFalse();
}
@Test(expected = IllegalArgumentException.class) // DATACMNS-787
public void rejectsNullAlias() {
bindings.bind(QUser.user.address).as(null);
}
@Test(expected = IllegalArgumentException.class) // DATACMNS-787
public void rejectsEmptyAlias() {
bindings.bind(QUser.user.address).as("");
}
@Test // DATACMNS-787
public void aliasesBinding() {
bindings.bind(QUser.user.address.city).as("city").first(CONTAINS_BINDING);
PathInformation path = bindings.getPropertyPath("city", ClassTypeInformation.from(User.class));
assertThat(path).isNotNull();
assertThat(bindings.isPathAvailable("city", User.class)).isTrue();
// Aliasing implicitly blacklists original path
assertThat(bindings.isPathAvailable("address.city", User.class)).isFalse();
}
@Test // DATACMNS-787
public void explicitlyIncludesOriginalBindingDespiteAlias() {
bindings.including(QUser.user.address.city);
bindings.bind(QUser.user.address.city).as("city").first(CONTAINS_BINDING);
PathInformation path = bindings.getPropertyPath("city", ClassTypeInformation.from(User.class));
assertThat(path).isNotNull();
assertThat(bindings.isPathAvailable("city", User.class)).isTrue();
assertThat(bindings.isPathAvailable("address.city", User.class)).isTrue();
PathInformation propertyPath = bindings.getPropertyPath("address.city", ClassTypeInformation.from(User.class));
assertThat(propertyPath).isNotNull();
assertAdapterWithTargetBinding(bindings.getBindingForPath(propertyPath), CONTAINS_BINDING);
}
@Test // DATACMNS-787
public void registedAliasWithNullBinding() {
bindings.bind(QUser.user.address.city).as("city").withDefaultBinding();
PathInformation path = bindings.getPropertyPath("city", ClassTypeInformation.from(User.class));
assertThat(path).isNotNull();
assertThat(bindings.getBindingForPath(path)).isNotPresent();
}
@Test // DATACMNS-941
public void registersBindingForPropertyOfSubtype() {
bindings.bind(QUser.user.as(QSpecialUser.class).specialProperty).first(ContainsBinding.INSTANCE);
assertThat(bindings.isPathAvailable("specialProperty", User.class)).isTrue();
}
private static <P extends Path<? extends S>, S> void assertAdapterWithTargetBinding(
Optional<MultiValueBinding<P, S>> binding, SingleValueBinding<? extends Path<?>, ?> expected) {
assertThat(binding).hasValueSatisfying(it -> {
// assertThat(binding, is(instanceOf(QuerydslBindings.MultiValueBindingAdapter.class)));
// assertThat(ReflectionTestUtils.getField(binding, "delegate"), is((Object) expected));
});
}
enum ContainsBinding implements SingleValueBinding<StringPath, String> {
INSTANCE;
/*
* (non-Javadoc)
* @see org.springframework.data.querydsl.binding.SingleValueBinding#bind(com.querydsl.core.types.Path, java.lang.Object)
*/
@Override
public Predicate bind(StringPath path, String value) {
return path.contains(value);
}
}
}