# Check that each output is attributed to the right test.
! go test -json -parallel 3 chatty_parallel_test.go -v
stdout -count=1 '"Test":"TestChattyParallel/sub-0","Output":"    chatty_parallel_test.go:38: error from sub-0\\n"'
stdout -count=1 '"Test":"TestChattyParallel/sub-1","Output":"    chatty_parallel_test.go:38: error from sub-1\\n"'

                configurations { create("default") }
            }
            project(":producer") {
                task producer {
                    ext.output = objects.fileProperty()
                    outputs.file output
                    output.set(file("out"))
                }
                task longRunning {
                    dependsOn producer
                    doLast {

                classpath(sourceSets.main.output.classesDirs)
                mainClass = 'org.gradle.TestMain'
                args projectDir, testFile
                def output = new ByteArrayOutputStream()
                standardOutput = output
                doLast {
                    assert testFile.exists()

                void transform(TransformOutputs outputs) {
                    def input = inputArtifact.get().asFile
                    println "processing [\${input.name}]"
                    assert input.file
                    def output = outputs.file(input.name + ".green")
                    output.text = input.name + ".green"
                }
            }
        """

        commandLineExecution.execute(executionListener)

        then:
        outputs.stdErr.contains('--broken')
        outputs.stdErr.contains('USAGE: gradle [option...] [task...]')
        outputs.stdErr.contains('--help')
        outputs.stdErr.contains('--some-option')

        and:

----
<1> *Register Output*: The `process` task writes its output to a log file.
<2> *Modify Output*: The task writes to its output file as it executes.
<3> *Task Failure*: The task throws a `VerificationException` and fails at this point.
<4> *Continue to Modify Output*: This line never runs due to the exception stopping the task.

        source "class A {}", "class B {}", "class C {}"
        outputs.snapshot { run language.compileTaskName }

        when:
        source "class B extends A {}"
        run language.compileTaskName

        then:
        outputs.recompiledClasses('B')

        when:
        outputs.snapshot()
        source "class A { /* change */ }"
        run language.compileTaskName

            task producer {
                outputs.cacheIf { true }
                outputs.file("build/outputs/producer.txt")
                doLast {
                    file("build/outputs/producer.txt").text = "alma"
                }
            }

            task consumer {
                dependsOn producer
                outputs.cacheIf { true }
                inputs.file("build/outputs/producer.txt")

class A2{}
"""
        file('src/main/groovy/org/gradle/B.groovy') << 'package org.gradle; class B{}'
        outputs.snapshot { run "compileGroovy" }

        when:
        a.text = 'package org.gradle; class A1 {}'
        run "compileGroovy"

        then:
        outputs.recompiledClasses('A1')
        outputs.deletedClasses('A2')
    }

    def 'only recompile removed packages'() {
        given:

"""
        and:
        outputs.snapshot { run "mainExecutable" }

        when:
        otherHeaderFile << """
            // Some extra content
"""
        and:
        run "mainExecutable"

        then:
        executedAndNotSkipped compileTask

        and:
        outputs.recompiledFile sourceFile
        and:
        !output.contains("should not be used")

        when: