#!/bin/bash

read -rd "\000" helpmessage <<EOF
$(basename $0): Run common workflow tool description language conformance tests.

Syntax:
        $(basename $0) [RUNNER=/path/to/cwl-runner] [DRAFT=cwl-draft-version]

Options:
  -nT   Run a specific test.
  -l    List tests
EOF

DRAFT=v1.0
TEST_N=""
RUNNER=cwl-runner
PLATFORM=$(uname -s)
COVERAGE="python"

while [[ -n "$1" ]]
do
    arg="$1"; shift
    case "$arg" in
        --help)
            echo >&2 "$helpmessage"
            echo >&2
            exit 1
            ;;
        -n*)
            TEST_N=$arg
            ;;
        -l)
            TEST_L=-l
            ;;
        --only-tools)
            ONLY_TOOLS=--only-tools
            ;;
        *=*)
            eval $(echo $arg | cut -d= -f1)=\"$(echo $arg | cut -d= -f2-)\"
            ;;
    esac
done

if ! runner="$(which $RUNNER)" ; then
    echo >&2 "$helpmessage"
    echo >&2
    echo >&2 "runner '$RUNNER' not found"
    exit 1
fi

runs=0
failures=0

checkexit() {
    if [[ "$?" != "0" ]]; then
        failures=$((failures+1))
    fi
}

runtest() {
    echo "--- Running conformance test $DRAFT on $1 ---"

    "$1" --version

    runs=$((runs+1))
    (cd $DRAFT
     ${COVERAGE} -m cwltool.cwltest --tool "$1" \
	     --test=conformance_test_${DRAFT}.yaml ${TEST_N} \
	     ${TEST_L} ${ONLY_TOOLS} --basedir ${DRAFT}
    )
    checkexit
}

if [[ $PLATFORM == "Linux" ]]; then
    runtest "$(readlink -f $runner)"
else
    runtest "$(greadlink -f $runner)"
fi

if [[ -n "$TEST_L" ]] ; then
   exit 0
fi

# Final reporting

echo

if [[ $failures != 0 ]]; then
    echo "$failures tool tests failed"
else
    if [[ $runs == 0 ]]; then
        echo >&2 "$helpmessage"
        echo >&2
        exit 1
    else
        echo "All tool tests succeeded"
    fi
fi

exit $failures