testsuite: minor fixes (#855)

testsuite/README.md

@@ -2,9 +2,18 @@ This directory contains scripts to check some functionality of GRASS GIS.
 
 GRASS GIS testsuite documentation: https://grass.osgeo.org/grass79/manuals/libpython/gunittest_testing.html
 
-Some tests may be launched in the location `../demolocation/`
+## Simple test data
 
-## Test data
+Some tests may be launched in the location `../demolocation/`:
+
+```
+# create new mapset for test
+grass79 ../demolocation/user1 -c
+# run the test
+make
+```
+
+## Extended test data
 
 Most tests require the North Carolina Sample dataset, available from
 https://grass.osgeo.org/sampledata/north_carolina/

testsuite/raster/raster_md5test.sh

@@ -35,6 +35,9 @@ fi
 unset LC_ALL
 export LC_NUMERIC=C
 
+# enforce ZLIB
+export GRASS_COMPRESSOR=ZLIB
+
 eval `g.gisenv`
 : ${GISBASE?} ${GISDBASE?} ${LOCATION_NAME?} ${MAPSET?}
 MAPSET_PATH=$GISDBASE/$LOCATION_NAME/$MAPSET
@@ -115,7 +118,7 @@ r.mapcalc "$TMPNAME = 1"
 check_exit_status $?
 
 echo "MD5 checksum on output of INT/CELL test."
-MD5="`r.out.ascii $TMPNAME dp=15 | md5sum | cut -d' ' -f1`"
+MD5="`r.out.ascii $TMPNAME precision=15 | md5sum | cut -d' ' -f1`"
 check_md5sum "549e7dabe70df893803690571d2e1503" "$MD5"
 
 cleanup
@@ -129,7 +132,7 @@ r.mapcalc "$TMPNAME = $VALUE"
 check_exit_status $?
 
 echo "MD5 checksum on output of FLOAT/FCELL test."
-MD5="`r.out.ascii $TMPNAME dp=15 | md5sum | cut -d' ' -f1`"
+MD5="`r.out.ascii $TMPNAME precision=15 | md5sum | cut -d' ' -f1`"
 check_md5sum "379f3d880b6d509051af6b4ccf470762" "$MD5"
 
 cleanup