broken!
        """
        buildA.buildFile << """
            task other {
                dependsOn configurations.compileClasspath
            }
            classes.dependsOn other
        """
        buildA.file("src/main/java/A.java") << """
            class A { }
        """

        when:
        fails(buildA, "assemble")

        then:

                gradle.parent != null
            }
"""
        buildA.buildFile << detectionMethods
        buildB.buildFile << detectionMethods
    }

    def "can detect composite build"() {
        when:
        buildA.buildFile << """
            assert isComposite(gradle)
            assert !isNested(gradle)
"""

        then:
        execute(buildA, "jar")
    }

@TargetGradleVersion(">=3.1")
class PersistentCompositeDependencySubstitutionCrossVersionSpec extends ToolingApiSpecification implements WithOldConfigurationsSupport {
    TestFile buildA
    TestFile buildB
    TestFile buildC

    def setup() {

        buildA = singleProjectBuildInRootFolder("buildA") {
            buildFile << """
                apply plugin: 'java'
                dependencies {

        when:
        includedBuilds << buildB << buildC << buildD

        buildA.buildFile << """
            task testAll {
                dependsOn gradle.includedBuilds*.task(':test')
            }
        """

        and:
        fails(buildA, 'testAll', [CONTINUE_COMMAND_LINE_OPTION])

        then:
        assertTaskExecuted(':buildB', ':test')

        includeBuild(buildB)

        buildA.buildFile << """
            task broken {
                dependsOn gradle.includedBuild("buildB").task(":broken")
            }
        """

        when:
        fails(buildA, "buildC:broken1")

        then:
        failure.assertHasCause("Included build 'buildA' not found in build 'buildC'.")

        when:
        fails(buildA, "buildC:broken2")

        then:

 */
abstract class AbstractCompositeBuildIntegrationTest extends AbstractIntegrationSpec {
    BuildTestFile buildA
    List<File> includedBuilds = []
    def operations = new BuildOperationsFixture(executer, temporaryFolder)

    def setup() {
        buildTestFixture.withBuildInSubDir()
        buildA = singleProjectBuild("buildA") {
            buildFile << """
                apply plugin: 'java'
                repositories {

            """
        }
        buildA.buildFile << """
            // add lifecycle task here since we can not call the task of buildB directly yet - https://github.com/gradle/gradle/issues/2533
           tasks.register("buildBJar") {
                dependsOn(gradle.includedBuild("buildB").task(":jar"))
            }
        """
        buildA.settingsFile << """
            includeBuild('.')
        """

        }
        expect:
        execute(buildA, "delegate", "--parallel", "--max-workers=$maxWorkers")
        operations.assertConcurrentOperationsDoNotExceed(ExecuteTaskBuildOperationType, maxWorkers, maxWorkers != 1)

        where:
        maxWorkers << [ 1, 2, 4 ]
    }

    def "can build transitive dependency chain with --max-workers == 1"() {
        def previousBuild = buildA

		f := rt.Field(i).Name
		buildTag := "goexperiment." + strings.ToLower(f)
		for _, val := range []bool{false, true} {
			name := fmt.Sprintf("exp_%s_%s.go", strings.ToLower(f), pick(val, "off", "on"))
			data := fmt.Sprintf(`// Code generated by mkconsts.go. DO NOT EDIT.

//go:build %s%s

package goexperiment

const %s = %v
const %sInt = %s
`, pick(val, "!", ""), buildTag, f, val, f, pick(val, "0", "1"))

                }
            }
        """
        includedBuilds << buildB

        buildA.buildFile << """
            task run {
                dependsOn gradle.includedBuild('buildB').task(':app:resolve')
            }
        """

        when:
        execute(buildA, 'run')

        then:
        assertTaskExecuted(':buildB', ':lib:compileJava')