def task2 = taskDetails('a:task_A')
        def task3 = taskDetails('a:a:task_A')
        def task4 = taskDetails('B:task_A')
        def task5 = taskDetails('c:task_A')
        def task6 = taskDetails('b:task_a')
        def task7 = taskDetails('a:task_Abc')
        def task8 = taskDetails('task_b')
        _ * target.groups >> ['group']

Group tasks
-----------
:task1 - task1Description
:task2
:task3

Rules
-----
rule1Description
rule2Description
'''
    }

    def writesTasksForSingleGroup() {
        TaskDetails task = taskDetails(':task1')

        when:
        renderer.addDefaultTasks([])
        renderer.startTaskGroup('group')
        renderer.addTask(task)

        def task3 = task('task3')
        def task4 = task('task4', task2)
        def task5 = task('task5', task3, task4)

        when:
        def model = modelFor([task1, task2, task3, task4, task5])

        then:
        model.groups == ['group', ''] as Set
        def tasks = model.getTasksForGroup('') as List
        tasks*.path == [pathOf(task1), pathOf(task3), pathOf(task4), pathOf(task5)]
        def t = tasks.first()

        TaskDetails task3 = taskDetails(':sub:task')
        _ * task1.findTask(_) >> Mock(Task)
        _ * task2.findTask(_) >> Mock(Task)
        _ * task3.findTask(_) >> Mock(Task)

        TaskReportModel project1 = Mock()
        TaskReportModel project2 = Mock()
        _ * project1.groups >> (['group'] as LinkedHashSet)
        _ * project1.getTasksForGroup('group') >> ([task1, task2] as Set)

        def task1 = Stub(Task)
        def task2 = Stub(Task)
        def task3 = Stub(Task)
        def source1 = Stub(FileCollectionInternal)
        def source2 = Stub(FileCollectionInternal)

        given:
        source1.visitDependencies(_) >> { TaskDependencyResolveContext context ->
            context.add(task1)
            context.add(task2)
        }

    def "set is built by the union of the tasks that build the publish artifacts"() {
        PublishArtifact artifact1 = Mock()
        PublishArtifact artifact2 = Mock()
        Task task1 = Mock()
        Task task2 = Mock()
        Task task3 = Mock()

        given:
        store.add(artifact1)
        store.add(artifact2)
        builtBy(artifact1, task1, task2)
        builtBy(artifact2, task1, task3)

    def taskConfigurer = Mock(CommandLineTaskConfigurer)
    def task = Mock(Task)
    def task2 = Mock(Task)
    def task3 = Mock(Task)
    def parser = new CommandLineTaskParser(taskConfigurer, selector, defaultBuild)

    def setup() {
        taskConfigurer.configureTasks(_, _) >> { args -> args[1] }
    }

    def "parses a single task selector"() {
        given:

        1 * tasks.names >> (['task1', 'task2'] as SortedSet)
        0 * tasks._

        when:
        def matches = asTasks(result['task1'])

        then:
        matches == [task1]

        and:
        1 * tasks.getByName('task1') >> task1
        0 * tasks._
    }

    def "lazily locates all tasks for multiple projects"() {
        given:
        def task1 = task('task1')

        outputContains("Create :task2")
        outputContains("Configure :task2")
        result.assertNotOutput(":task1")
        result.assertNotOutput(":task3")

        when:
        run("task3")

        then:
        outputContains("Create :task3")
        result.assertNotOutput(":task1")
        result.assertNotOutput(":task2")
    }

    def "task is created and configured when referenced as a task dependency"() {

        def task1 = Stub(Task)
        def task2 = Stub(Task)
        def task3 = Stub(Task)
        def tree1 = Stub(FileTreeInternal)
        def tree2 = Stub(FileTreeInternal)

        given:
        tree1.visitDependencies(_) >> { TaskDependencyResolveContext context ->
            context.add(task1)
            context.add(task2)
        }