error "Could not locate binary: molecule. Please ensure you are running the script from within correctly set-up Python virtual environment."

    exit $ERROR_MISSING_BINARY

fi

# Assume success.

test_result=0

# Verify arguments.

if [[ $tests != "all" && $tests != "lint" ]]; then

    error "Unsupported type of tests requested: $tests"

    exit $ERROR_ARGUMENTS

fi

# Assemble list of roles to run against.

roles=()

roles_to_test=()

roles_to_skip=()

# Assemble list of roles to test.

if [[ $1 == "all" ]]; then

    debug "Testing of all roles was requested, assembling role list."

    # Traverse directory.

    for role_dir in roles/*; do

        if [[ -d $role_dir ]]; then

            debug "Located candiate role in directory $role_dir"

            roles+=("${role_dir#roles/}")

        else

            debug "Ignoring non-directory $role_dir"

        fi

    done

else

    while [[ -n $1 ]]; do

        roles+=("$1")

        shift 1

    done

fi

if [[ ${#roles[@]} == 0 ]]; then

    error "No role has been specified for testing."

    exit $ERROR_ARGUMENTS

fi

# Determine which roles have available tests.

for role in "${roles[@]}"; do

    role_dir="roles/$role"

    if [[ ! -d "roles/$role" ]]; then

        warning "Could not locate role $role in directory $role_dir"

        roles_to_skip+=("$role")

    elif [[ -f "$role_dir/molecule/default/molecule.yml" ]]; then

        debug "Role $role contains Molecule configuration."

         roles_to_test+=("$role")

    else

        warning "Role $role cannot be tested - missing Molecule configuration."

        roles_to_skip+=("$role")

    fi

done

# Output some helpful info, and ensure we can actually run tests against

# something.

info "Testing requested for roles: ${roles[*]}"

[[ ${#roles_to_skip[@]} != 0 ]] && info "The following roles will not be tested: ${roles_to_skip[*]}"

if [[ ${#roles_to_test[@]} == 0 ]]; then

    error "No roles can be tested."

    exit $ERROR_NO_ROLES

fi

info "The following roles will be tested: ${roles_to_test[*]}"

# Prepare directory for storing reports.

if [[ $report == 1 ]]; then

    report_directory="$(pwd)/test_report-$(date +%Y_%m_%d-%H_%M_%S)"

    report_summary="${report_directory}/summary.txt"

    if ! mkdir "$report_directory"; then

        error "Failed to create report directory $report_directory"

        exit $ERROR_REPORT

    fi

    touch "$report_summary"

    debug "Created report directory $report_directory."

    # Output skipped roles to summary immediatelly.

    for role in "${roles_to_skip[@]}"; do

        echo "[SKIP] $role" >> "$report_summary"

    done

else

    debug "No report directory will be created."

fi

# Test the roles.

passed_roles=()

failed_roles=()

work_dir="$(pwd)"

for role in "${roles_to_test[@]}"; do

    # Calculate directories between which we need to move.

    role_dir="$work_dir/roles/$role"

    if [[ $report == 1 ]]; then

        report_file="$report_directory/role-${role}.txt"

    else

        report_file="/dev/null"

    fi

    info "Running tests for: $role"

    last_pipe_status="${PIPESTATUS[0]}"

        last_pipe_status="${PIPESTATUS[0]}"

        last_pipe_status="${PIPESTATUS[0]}"

        last_pipe_status="${PIPESTATUS[0]}"

    fi

    # Determine result.

        passed_roles+=("$role")

        [[ $report == 1 ]] && echo "[PASS] $role" >> "$report_summary"

    else

        test_result=$ERROR_FAILED_ROLES

        failed_roles+=("$role")

        # Log failure in summary if requested.

        [[ $report == 1 ]] && echo "[FAIL] $role" >> "$report_summary"

    fi

done

for role in "${roles_to_skip[@]}"; do

    warning "SKIP: $role"

done

for role in "${passed_roles[@]}"; do

    success "PASS: $role"

done

for role in "${failed_roles[@]}"; do

    error "FAIL: $role"

done

exit $test_result