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org.gradle.api.internal.project.taskfactory.TaskFactoryTest.groovy Maven / Gradle / Ivy
/*
* Copyright 2012 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.gradle.api.internal.project.taskfactory
import org.gradle.api.DefaultTask
import org.gradle.api.InvalidUserDataException
import org.gradle.api.Task
import org.gradle.api.internal.AbstractTask
import org.gradle.api.internal.TaskInternal
import org.gradle.api.reflect.ObjectInstantiationException
import org.gradle.api.tasks.TaskInstantiationException
import org.gradle.internal.instantiation.DeserializationInstantiator
import org.gradle.internal.instantiation.InstanceGenerator
import org.gradle.internal.instantiation.InstantiationScheme
import org.gradle.internal.reflect.JavaReflectionUtil
import org.gradle.test.fixtures.AbstractProjectBuilderSpec
import org.gradle.util.Path
class TaskFactoryTest extends AbstractProjectBuilderSpec {
def instantiationScheme = Mock(InstantiationScheme)
def instantiator = Mock(InstanceGenerator)
def deserializeInstantiator = Mock(DeserializationInstantiator)
ITaskFactory taskFactory
def setup() {
taskFactory = new TaskFactory().createChild(project, instantiationScheme)
_ * instantiationScheme.instantiator() >> instantiator
_ * instantiationScheme.deserializationInstantiator() >> deserializeInstantiator
_ * instantiator.newInstanceWithDisplayName(_, _, _) >> { args -> JavaReflectionUtil.newInstance(args[0]) }
}
void injectsProjectAndNameIntoTask() {
when:
Task task = taskFactory.create(new TaskIdentity(DefaultTask, 'task', null, Path.path(':task'), null, 12))
then:
task.project == project
task.name == 'task'
}
void testCreateTaskOfTypeWithNoArgsConstructor() {
when:
Task task = taskFactory.create(new TaskIdentity(TestDefaultTask, 'task', null, Path.path(':task'), null, 12))
then:
task instanceof TestDefaultTask
}
void testCreateTaskWhereSuperTypeOfDefaultImplementationRequested() {
when:
Task task = taskFactory.create(new TaskIdentity(type, 'task', null, Path.path(':task'), null, 12))
then:
task instanceof DefaultTask
where:
type << [Task, TaskInternal, AbstractTask, DefaultTask]
}
void testCreateTaskForDeserialization() {
when:
Task task = taskFactory.create(new TaskIdentity(TestDefaultTask, 'task', null, Path.path(':task'), null, 12), (Object[]) null)
then:
1 * deserializeInstantiator.newInstance(TestDefaultTask, AbstractTask) >> { new TestDefaultTask() }
task instanceof TestDefaultTask
}
void testCreateTaskForTypeWhichDoesNotImplementTask() {
when:
taskFactory.create(new TaskIdentity(NotATask, 'task', null, Path.path(':task'), null, 12))
then:
InvalidUserDataException e = thrown()
e.message == "Cannot create task of type 'NotATask' as it does not implement the Task interface."
}
void wrapsFailureToCreateTaskInstance() {
def failure = new RuntimeException()
when:
taskFactory.create(new TaskIdentity(TestDefaultTask, 'task', null, Path.path(':task'), null, 12))
then:
TaskInstantiationException e = thrown()
e.message == "Could not create task of type 'TestDefaultTask'."
e.cause == failure
and:
_ * instantiator.newInstanceWithDisplayName(TestDefaultTask, _, _) >> { throw new ObjectInstantiationException(TestDefaultTask, failure) }
}
static class TestDefaultTask extends DefaultTask {
}
static class DecoratedTask extends TestDefaultTask {
}
static class NotATask {
}
}