#!/bin/sh
# Test a command for presence and ability to output the sha1 hash of a file
is_hash() {
    echo -n "checking for SHA1 hashing command ... "
    if check_hash sha1sum; then
        sha1sum=sha1sum
    elif check_hash sha1; then
        sha1sum=sha1
    elif check_hash shasum; then
        sha1sum=shasum
    else
        echo "no"
        exit 1
    fi
}
check_hash() {
    which $1 &&
    $1 </dev/null 2>/dev/null |
    awk '{if ($1 != "da39a3ee5e6b4b0d3255bfef95601890afd80709") { exit 1; }}'
    # Test some common commands to find the correct one for the system being tested on.
}

# test if MBROLA synthesizer is installed
is_mbrola() {
    echo -n "checking if MBROLA is installed ... "
    if [ "`which mbrola`" != "" ]; then
        echo "yes"
    else
        echo "no"
        exit
    fi
}

# Check processed text by phonetic representation of the output
test_phon() {
    TEST_LANG=$1
    EXPECTED=$2
    TEST_TEXT=$3
    MESSAGE=$4
    OPTIONS=$5

    if [ "$MESSAGE" = "" ] ; then
        MESSAGE=$TEST_TEXT
    fi

    echo "testing ${TEST_LANG} $MESSAGE"
    RESULT=$(
        ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        $VALGRIND src/espeak-ng -xq ${OPTIONS} -v ${TEST_LANG} "${TEST_TEXT}" || exit 1
    )
    if [ "x$RESULT" != "x$EXPECTED" ] ; then
        echo "$RESULT != $EXPECTED"
        if [ "$MESSAGE" = "Ignore" ] ; then
            echo "... ignoring error"
        else
            exit 1
        fi
    fi
}

# Check generated wav file from processed text
test_wav () {
    VOICE=$1
    EXPECTED=$2
    TEST_TEXT=$3
    MESSAGE=$4

    echo "testing ${VOICE} ${MESSAGE}"
    RESULT=$(
        ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        $VALGRIND src/espeak-ng -D --stdout -v ${VOICE} "${TEST_TEXT}" | $sha1sum | awk '{ print $1 }' || exit 1
    )
    if [ "x$RESULT" != "x$EXPECTED" ] ; then
        echo "$RESULT != $EXPECTED"
        if [ "$MESSAGE" = "Ignore" ] ; then
            echo "... ignoring error"
        else
            exit 1
        fi
    fi
}

# Check generated wav file from processed text, where $EXPECTED is grep string
test_wav_grep () {
    VOICE=$1
    EXPECTED=$2
    TEST_TEXT=$3
    MESSAGE=$4
    echo "testing ${VOICE} ${MESSAGE}"
    $()
    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
            $VALGRIND src/espeak-ng -D --stdout -v ${VOICE} "${TEST_TEXT}" \
            > actual.txt || exit 1
    < actual.txt $sha1sum | awk '{ print $1 }' > sum.txt
    if [ "$MESSAGE" = "Ignore" ] ; then
        cat sum.txt | grep -E "$EXPECTED" || (echo "... ignoring error" && true)
    else
        cat sum.txt | grep -E "$EXPECTED" || { printf "wrong hash: "; cat sum.txt; exit 1; }
    fi
}

# Check generated wav file from list of phonemes
test_phwav() {
	TEST_LANG=$1
	EXPECTED=$2
	TEST_TEXT=$3
    test_wav $TEST_LANG $EXPECTED "[[$TEST_TEXT]]"
}

test_replace() {
    TEST_LANG=$1
    TEST_TEXT=$2
	EXPECTED=$3
    MESSAGE=$4

    if [ "$MESSAGE" = "" ] ; then
        MESSAGE=$TEST_TEXT
    fi

    echo "testing ${TEST_LANG}"
    RESULT=$(
        ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        $VALGRIND src/espeak-ng -Xq -v ${TEST_LANG} "${TEST_TEXT}" | \
        grep -a -E "(Translate|Found:) " | sed -e 's/ \[.*][ ]*$//g' || exit 1
    )
    if [ "x$RESULT" != "x$EXPECTED" ] ; then
        echo "$RESULT != $EXPECTED"
        if [ "$MESSAGE" = "Ignore" ] ; then
            echo "... ignoring error"
        else
            exit 1
        fi
    fi
}