#!/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 Klatt synthesizer is installed
is_klatt() {
    echo -n "checking if klatt is installed ... "
    if [ "`which klatt`" != "" ]; then
        echo "yes"
    else
        echo "no"
        exit
    fi
}

# 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

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

    echo "testing ${TEST_LANG} ... $MESSAGE"
    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        src/espeak-ng -xq -v ${TEST_LANG} "${TEST_TEXT}" > actual.txt
    echo "${EXPECTED}" > expected.txt
    if [ "$MESSAGE" = "broken" ] ; then
        diff expected.txt actual.txt || (echo "... ignoring error (broken)" && true)
    else
        diff expected.txt actual.txt || exit 1
    fi
}

# Check generated wav file from processed text
test_wav () {
        VOICE=$1
        EXPECTED=$2
        TEST_TEXT=$3
        echo "testing ${VOICE} ... "
        ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        src/espeak-ng --stdout -v ${VOICE} "${TEST_TEXT}" | \
        $sha1sum | awk '{ print $1 }' > actual.txt
        echo "${EXPECTED}" > expected.txt
        diff expected.txt actual.txt || exit 1
}

# 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
    MESSAGE=$3

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

    echo "testing ${TEST_LANG}"
    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        src/espeak-ng -Xq -v ${TEST_LANG} "${TEST_TEXT}" | grep -E "(Translate|Found:) " | sed -e 's/ \[.*][ ]*$//g' > actual.txt
    if [ "$MESSAGE" = "broken" ] ; then
        diff expected.txt actual.txt || (echo "... ignoring error (broken)" && true)
    else
        diff expected.txt actual.txt || exit 1
    fi
}

test_commandlineoptions() {
    TEST_LANG=$1
    MESSAGE=$2
    OPTIONS=$3
    EXPECTED=$4
    TEST_TEXT=$5
    TEST_BROKEN=${6:-false}

    if [ "x$MESSAGE" = x- ] ; then
        echo "testing ${TEST_LANG}"
    else
        echo "testing ${TEST_LANG} ($MESSAGE)"
    fi
    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
        src/espeak-ng ${OPTIONS} -xq -v ${TEST_LANG} "${TEST_TEXT}" > actual.txt
    echo "${EXPECTED}" > expected.txt
    if [ x$TEST_BROKEN = xbroken ] ; then
        diff expected.txt actual.txt || (echo "... ignoring error (broken)" && true)
    else
        diff expected.txt actual.txt || exit 1
    fi
}