tests: do not use temp files

tests/common

 #!/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
+    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.
+    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
     fi
 
     echo "testing ${TEST_LANG} $MESSAGE"
-    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
-        $VALGRIND src/espeak-ng -xq ${OPTIONS} -v ${TEST_LANG} "${TEST_TEXT}" \
-        > actual.txt || exit 1
-    echo "${EXPECTED}" > expected.txt
-    if [ "$MESSAGE" = "Ignore" ] ; then
-        diff expected.txt actual.txt || (echo "... ignoring error" && true)
-    else
-        diff expected.txt actual.txt || exit 1
+    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
+    VOICE=$1
+    EXPECTED=$2
+    TEST_TEXT=$3
+    MESSAGE=$4
 
-        echo "testing ${VOICE}${MESSAGE}"
+    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}" \
-                > actual.txt || exit 1
-        < actual.txt $sha1sum | awk '{ print $1 }' > sum.txt
-        echo "${EXPECTED}" > expected.txt
+        $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
-            diff expected.txt sum.txt || (echo "... ignoring error" && true)
+            echo "... ignoring error"
         else
-            diff expected.txt sum.txt || exit 1
+            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
+    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_LANG=$1
 	EXPECTED=$2
 	TEST_TEXT=$3
-        test_wav $TEST_LANG $EXPECTED "[[$TEST_TEXT]]"
+    test_wav $TEST_LANG $EXPECTED "[[$TEST_TEXT]]"
 }
 
 test_replace() {
     TEST_LANG=$1
     TEST_TEXT=$2
-    MESSAGE=$3
+	EXPECTED=$3
+    MESSAGE=$4
 
     if [ "$MESSAGE" = "" ] ; then
         MESSAGE=$TEST_TEXT
     fi
 
     echo "testing ${TEST_LANG}"
-    ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
-        $VALGRIND src/espeak-ng -Xq -v ${TEST_LANG} "${TEST_TEXT}" \
-        > actual.txt || exit 1
-    < actual.txt grep -a -E "(Translate|Found:) " | sed -e 's/ \[.*][ ]*$//g' > filtered.txt
-    if [ "$MESSAGE" = "Ignore" ] ; then
-        diff expected.txt filtered.txt || (echo "... ignoring error" && true)
-    else
-        diff expected.txt filtered.txt || exit 1
+    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
 }
-

tests/language-replace.test

 ##### bs: Bosnian
 
 # Ljubazni fenjerdžija čađavog lica hoće da mi pokaže štos.
-cat > expected.txt <<EOF
-Translate 'ljubazni'
+test_replace bs "Љубазни фењерџија чађавог лица хоће да ми покаже штос." "Translate 'ljubazni'
 Translate 'fenjerdžija'
 Translate 'čađavog'
 Translate 'lica'
 Translate 'da'
 Translate 'mi'
 Translate 'pokaže'
-Translate 'štos'
-EOF
-test_replace bs "Љубазни фењерџија чађавог лица хоће да ми покаже штос."
+Translate 'štos'"
 
 ##### en: English
 
-cat > expected.txt <<EOF
-Translate 'aeon'
+test_replace en "Æon mediæval. Œconomy phœnix. Loſt history." "Translate 'aeon'
 Found: 'mediaeval'
 Translate 'oeconomy'
 Found: 'phoenix'
 Found: 'lost'
-Translate 'history'
-EOF
-test_replace en "Æon mediæval. Œconomy phœnix. Loſt history."
+Translate 'history'"
 
 ##### hr: Croatian
 
 # Ljubazni fenjerdžija čađavog lica hoće da mi pokaže štos.
-cat > expected.txt <<EOF
-Translate 'ljubazni'
+test_replace hr "Љубазни фењерџија чађавог лица хоће да ми покаже штос." "Translate 'ljubazni'
 Translate 'fenjerdžija'
 Translate 'čađavog'
 Translate 'lica'
 Translate 'da'
 Translate 'mi'
 Translate 'pokaže'
-Translate 'štos'
-EOF
-test_replace hr "Љубазни фењерџија чађавог лица хоће да ми покаже штос."
+Translate 'štos'"
 
 ##### ja: Japanese
 
 # いろはにほへと.  ちりぬるを.  わかよたれそ.  つねならむ.  うゐのおくやま.  けふこえて.  あさきゆめみし.  ゑひもせすん.
-cat > expected.txt <<EOF
-Translate 'いろはにほへと'
+test_replace ja "イロハニホヘト. チリヌルヲ. ワカヨタレソ. ツネナラム. ウヰノオクヤマ. ケフコエテ. アサキユメミシ. ヱヒモセスン." "Translate 'いろはにほへと'
 Translate 'ちりぬるを'
 Translate 'わかよたれそ'
 Translate 'つねならむ'
 Translate 'うゐのおくやま'
 Translate 'けふこえて'
 Translate 'あさきゆめみし'
-Translate 'ゑひもせすん'
-EOF
-test_replace ja "イロハニホヘト. チリヌルヲ. ワカヨタレソ. ツネナラム. ウヰノオクヤマ. ケフコエテ. アサキユメミシ. ヱヒモセスン."
+Translate 'ゑひもせすん'"
 
 ##### mk: Macedonian
 
 # Ѕидарски пејзаж: шугав билмез со чудење џвака ќофте и кељ на туѓ цех.
-cat > expected.txt <<EOF
-Translate 'ѕидарски'
+test_replace mk "Dzidarski pejzaž: šugav bilmez so čudenje džvaka ćofte i kelj na tuđ ceh." "Translate 'ѕидарски'
 Translate 'пејзаж'
 Translate 'шугав'
 Translate 'билмез'
 Translate 'кељ'
 Translate 'на'
 Translate 'туѓ'
-Translate 'цех'
-EOF
-test_replace mk "Dzidarski pejzaž: šugav bilmez so čudenje džvaka ćofte i kelj na tuđ ceh."
+Translate 'цех'"
 
 ##### sr: Serbian
 
 # Ljubazni fenjerdžija čađavog lica hoće da mi pokaže štos.
-cat > expected.txt <<EOF
-Translate 'ljubazni'
+test_replace sr "Љубазни фењерџија чађавог лица хоће да ми покаже штос." "Translate 'ljubazni'
 Translate 'fenjerdžija'
 Translate 'čađavog'
 Translate 'lica'
 Translate 'da'
 Translate 'mi'
 Translate 'pokaže'
-Translate 'štos'
-EOF
-test_replace sr "Љубазни фењерџија чађавог лица хоће да ми покаже штос."
-
+Translate 'štos'"

tests/ssml.test

 	OPTS=$4
 
 	echo "testing ${TEST_NAME}"
-	ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
-		$VALGRIND src/espeak-ng --stdout -m "${TEST_TEXT}" ${OPTS} \
-		> actual.txt || exit 1
-	< actual.txt $sha1sum | awk '{ print $1 }' > sum.txt
-	echo "${EXPECTED}" > expected.txt
-	diff expected.txt sum.txt || exit 1
+	RESULT=$(
+		ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
+		$VALGRIND src/espeak-ng --stdout -m "${TEST_TEXT}" ${OPTS} | $sha1sum | awk '{ print $1 }' || exit 1
+	)
+	if [ "x$RESULT" != "x$EXPECTED" ] ; then
+		echo "$RESULT != $EXPECTED"
+		exit 1
+	fi
 }
 
 test_ssml() {
 	fi
 
 	echo "testing ${INPUT}"
-	cp $(dirname $INPUT)/$(basename ${INPUT%.*}).expected expected.txt
-	ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
-		$VALGRIND src/espeak-ng -m -q $PARAMETERS -f ${INPUT} \
-		> actual.txt || exit 1
-	diff expected.txt actual.txt || exit 1
+	EXPECTED=$(cat $(dirname $INPUT)/$(basename ${INPUT%.*}).expected)
+	RESULT=$(
+		ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} \
+		$VALGRIND src/espeak-ng -m -q $PARAMETERS -f ${INPUT} || exit 1
+	)
+	if [ "x$RESULT" != "x$EXPECTED" ] ; then
+		echo "$RESULT != $EXPECTED"
+		exit 1
+	fi
 }
 
 for i in `dirname $0`/ssml/*.ssml ; do test_ssml $i; done