when:
        succeeds "t", "--scan", "-D${LegacyGradleEnterprisePluginCheckInService.UNSUPPORTED_TOGGLE}=true"

        then:
        scanPlugin.assertUnsupportedMessage(output, LegacyGradleEnterprisePluginCheckInService.UNSUPPORTED_TOGGLE_MESSAGE)
        scanPlugin.issuedNoPluginWarning(output)
    }

    def "does not warn if no scan requested but no scan plugin applied"() {

        }

        buildFile << """
            task t
        """

        when:
        succeeds "t", "--configuration-cache"

        then:

    }

    void assertEnabled(String output, boolean enabled) {
        assert output.contains("buildScan.enabled: $enabled")
    }

    void assertUnsupportedMessage(String output, String unsupported) {
        assert output.contains("buildScan.unsupportedMessage: $unsupported")
    }

    BuildScanConfig.Attributes attributes(String output) {

    def "can convey unsupported to plugin that supports it"() {
        given:
        applyPlugin()

        when:
        succeeds "t", "-D${UNSUPPORTED_TOGGLE}=true"

        then:
        plugin.assertUnsupportedMessage(output, UNSUPPORTED_TOGGLE_MESSAGE)
    }

    def "checkin happens once for build with buildSrc"() {
        given:
        applyPlugin()
        file("buildSrc/src/main/groovy/Thing.groovy") << "class Thing {}"

    }

    void assertAutoApplied(String output, boolean autoApplied) {
        assert output.contains("${propertyPrefix}.serviceFactoryCreate.config.autoApplied = $autoApplied")
    }

    void assertUnsupportedMessage(String output, String unsupported) {
        assert output.contains("${propertyPrefix}.checkIn.unsupported.reasonMessage = $unsupported")
    }

        given:
        applyPlugin()

        when:
        succeeds "dummy", "--scan", "-D${DefaultGradleEnterprisePluginCheckInService.UNSUPPORTED_TOGGLE}=true"

        then:
        fixture.assertUnsupportedMessage(output, DefaultGradleEnterprisePluginCheckInService.UNSUPPORTED_TOGGLE_MESSAGE)
        fixture.didNotIssuedNoPluginWarning(output)
    }

    def "does not warn if no scan requested but no scan plugin applied"() {