then:
        createdTasksFor(":a:t1") == [":a:t1"]
        createdTasksFor(":a:t1", "b:t1") == [":a:t1", ":b:t1"]
        createdTasksFor(":t1") == [":t1"]
        createdTasksFor("t1") == [":a:t1", ":b:t1", ":c:t1", ":t1"]
    }

    def "rule based tasks that are not requested on the command line are not created"() {
        when:
        buildFile << """
            ${ruleBasedTasks()}
            model {

#!/usr/bin/env bash

# shellcheck disable=SC2120
exit_1() {
	cleanup

	echo "minio1 ============"
	cat /tmp/minio1_1.log
	cat /tmp/minio1_2.log
	echo "minio2 ============"
	cat /tmp/minio2_1.log
	cat /tmp/minio2_2.log
	echo "minio3 ============"
	cat /tmp/minio3_1.log
	cat /tmp/minio3_2.log

	exit 1
}

cleanup() {
	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio

		echo "server1 log:"
		cat "${WORK_DIR}/dist-minio-server1.log"
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	if ! ps -p $pid2 1>&2 >/dev/null; then
		echo "server2 log:"
		cat "${WORK_DIR}/dist-minio-server2.log"
		echo "FAILED"
		purge "$WORK_DIR"
		exit 1
	fi

	if ! ps -p $pid3 1>&2 >/dev/null; then
		echo "server3 log:"
		cat "${WORK_DIR}/dist-minio-server3.log"
		echo "FAILED"

# Use a check-sleep-check loop to wait for MinIO service to be available
connectToMinio() {
  SCHEME=$1
  ATTEMPTS=0 ; LIMIT=29 ; # Allow 30 attempts
  set -e ; # fail if we can't read the keys.
  ACCESS=$(cat /config/rootUser) ; SECRET=$(cat /config/rootPassword) ;
  set +e ; # The connections to minio are allowed to fail.
  echo "Connecting to MinIO server: $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT" ;

# This will create a version like 1.4-alpha.sha
NEXT_VERSION=$(cat "${ROOT}/VERSION")
TAG=$(git rev-parse HEAD)
VERSION="${NEXT_VERSION}-alpha.${TAG}"

# In CI we want to store the outputs to artifacts, which will preserve the build
# If not specified, we can just create a temporary directory
WORK_DIR="$(mktemp -d)/build"
mkdir -p "${WORK_DIR}"

MANIFEST=$(cat <<EOF
version: ${VERSION}
docker: ${DOCKER_HUB}

# exists for documentation purposes.

CN_BASE="webhook_tests"

cat > intermediate_ca.conf << EOF
[ v3_ca ]
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid:always,issuer
basicConstraints = critical,CA:true
keyUsage = cRLSign, keyCertSign
EOF

cat > server.conf << EOF
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]

{{- $profile = (. | fromYaml) }}
{{- else }}
{{ fail (cat "unknown profile" $.Values.profile) }}
{{- end }}
{{- end }}
{{- with .Values.compatibilityVersion }}
{{- with $.Files.Get (printf "files/profile-compatibility-version-%s.yaml" .) }}
{{- $ignore := mustMergeOverwrite $profile (. | fromYaml) }}
{{- else }}
{{ fail (cat "unknown compatibility version" $.Values.compatibilityVersion) }}
{{- end }}
{{- end }}

{{- $profile = (. | fromYaml) }}
{{- else }}
{{ fail (cat "unknown profile" $.Values.profile) }}
{{- end }}
{{- end }}
{{- with .Values.compatibilityVersion }}
{{- with $.Files.Get (printf "files/profile-compatibility-version-%s.yaml" .) }}
{{- $ignore := mustMergeOverwrite $profile (. | fromYaml) }}
{{- else }}
{{ fail (cat "unknown compatibility version" $.Values.compatibilityVersion) }}
{{- end }}
{{- end }}

	const (
		CB2	= iota	// before CB1
		CB1		// before CB0
		CB0		// at end
	)

	// CAx constants should appear after CBx constants. 
	const (
		CA2	= iota	// before CA1
		CA1		// before CA0
		CA0		// at end
	)

	// C0 should be first. 
	const C0 = 0

	// C1 should be second. 
	const C1 = 1

	// C2 should be third. 
	const C2 = 2

	// 
	const (

        def black = withValues("black")
        def cat = withValues("cat")

        when:
        def zipped = providerFactory.zip(
                providerFactory.zip(big, black) { s1, s2 -> "$s1 $s2" } ,
                cat) { s1, s2 -> "${s1.capitalize()} ${s2}"}

        then:
        zipped instanceof Provider
        zipped.get() == 'Big black cat'
    }