#!/usr/bin/env sh

TESTS_RUN=0
TESTS_PASSED=0
TESTS_FAILED=0

TEST_DIRS='empty_input pass_thru single_test_line basic_complete'
TEST_DIRS="$TEST_DIRS multiple_everything between_the_lines"
TEST_DIRS="$TEST_DIRS repeated_suites repeated_tcases repeated_tests"
TEST_DIRS="$TEST_DIRS not_really_repeated tcase_implied_repeat"
TEST_DIRS="$TEST_DIRS case_insensitive_pp trailing_ws non_word_chars"
TEST_DIRS="$TEST_DIRS test_chars num_start_test_name"
TEST_DIRS="$TEST_DIRS no_args clean_mode declarations test_after_main_pre"
TEST_DIRS="$TEST_DIRS main_pre_multiple main_post main_pre_after_post"
TEST_DIRS="$TEST_DIRS test_after_main_post main_post_multiple ucn"
TEST_DIRS="$TEST_DIRS invalid_ucn argument_ws repeated_argument_tests"

check_dir() {
    status=0

    checkmkdir=$PWD
    outdir="test.out/$1"
    testdir="$srcdir/test/$1"

    if ! mkdir -p "$outdir"
    then
        echo "Couldn't make path \"$outdir\"!"
    fi
    outdir=$(cd "$outdir" && pwd)

    if ! cd "$testdir"
    then
        echo "Couldn't chdir to \"$testdir\"!"
    fi

    # set up expected input/output file names
    infname=in
    outfname="$outdir/output"
    errfname="$outdir/err"
    diffname="$outdir/diff"
    errdiffname="$outdir/err-diff"
    CHECKMK="$checkmkdir/checkmk"
    checkmk_cmd='"$CHECKMK" "$infname" > "$outfname" 2>"$errfname"'

    rm -f "$outfname" "$errfname" "$diffname" "$errdiffname"

    # source local versions, if available.
    [ -r ./cmd ] && . ./cmd

    # Check output.
    eval "$checkmk_cmd"
    ckstat=$?

    if ! diff -c "x_output" "$outfname" > "$diffname"
    then
        echo "Unexpected output differences:"
        cat "$diffname"
        status=1
    fi

    # Check stderr.
    if [ -s x_err ]
    then
        if ! diff -c "x_err" "$errfname" > "$errdiffname"
        then
            echo "Unexpected error differences:"
            cat "$errdiffname"
            status=1
        fi
    elif [ -s err ]
    then
        echo "Unexpected text from standard error:"
        echo "------------------------------------"
        cat "$errfname"
        echo "------------------------------------"
        status=1
    fi

    # Check status.
    xstat=0
    if [ -e "x_exit" ]
    then
        xstat=`cat x_exit`
    elif [ -s "x_err" ]
    then
        xstat=1
    fi

    if [ $xstat != $ckstat ]
    then
        echo "Expected exit status of $xstat, but got $ckstat."
        status=1
    fi

    return $status
}

pass_dir() {
    echo "Test $1 passed."
    TESTS_PASSED=$(($TESTS_PASSED+1))
}

fail_dir() {
    echo "Test $1 FAILED."
    TESTS_FAILED=$(($TESTS_FAILED+1))
}

echo "These are the tests for the checkmk program."
echo
echo "===================="
echo "   Test Run Start"
echo "===================="
echo

for dir in $TEST_DIRS
do
    echo "Running test $dir..."
    if ( check_dir $dir )
    then
        pass_dir $dir
    else
        fail_dir $dir
    fi
    TESTS_RUN=$(($TESTS_RUN+1))
    echo
done

echo "===================="
echo " Test Run Complete"
echo "===================="
echo "Total:  $TESTS_RUN"
echo "Passed: $TESTS_PASSED"
echo "Failed: $TESTS_FAILED"

if [ "$TESTS_FAILED" -gt 0 ]
then
    echo
    echo "****************************************"
    echo "          TEST RUN FAILED!!!!"
    echo "****************************************"
    exit 1;
fi
echo