v.what.rast3: Rename test folder and fix execution of test

vector/v.what.rast3/test_suite/test.v.what.rast3.sh → vector/v.what.rast3/testsuite/test.v.what.rast3.sh

@@ -11,14 +11,28 @@ r3.mapcalc --o expr="plume = double(col() + row() + depth())"
 # v.random --o -z seed=1 output=random_points npoints=10 zmin=0  zmax=50
 # v.out.ascii --o format=standard input=random_points output=random_points.txt
 
-v.in.ascii --o -z format=standard input=random_points.txt output=random_points
+v.in.ascii --o -z format=standard input=data/random_points.ref output=random_points
+v.out.ascii --o format=standard input=random_points > data/random_points.txt
 v.db.addtable --o map=random_points column="concentration double precision"
 
 # @test the voxel sampling with vector points
 v.what.rast3 map=random_points raster3d=plume column=concentration
+v.db.select map=random_points > data/random_points_db.txt
 
 # Some data export commands for reference data creation and visual validation
 #v.out.ascii --o format=standard input=random_points output=random_points.ref
 #v.db.select map=random_points > random_points_db.ref
 #r3.out.vtk --o input=plume output=plume.vtk null=0
 #v.out.vtk --o -n input=random_points output=random_points.vtk
+
+
+cd data
+
+for i in `ls *.txt` ; do
+    diff $i "`basename $i .txt`.ref" >> out.diff
+done
+
+CHAR_NUM=`cat out.diff | wc -c`
+
+# Return as exit status 0 in case no diffs are found
+exit $CHAR_NUM