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|
#!/bin/bash
set -e
PREFIX=${1:-"./example"}
## purpose : sanity tests
s3select_calc()
{
l="$*"
res=$( echo 1 | "$PREFIX"/s3select_example -q "select ${l} from stdin;" )
echo "$res" | sed 's/.$//'
}
# create c file with expression , compile it and run it.
c_calc()
{
cat << @@ > "$PREFIX"/tmp.c
#include <stdio.h>
int main()
{
printf("%f\n",$*);
}
@@
gcc -o "$PREFIX"/a.out "$PREFIX"/tmp.c
"$PREFIX"/a.out
}
expr_test()
{
## test the arithmetic evaluation of s3select against C program
for i in {1..100}
do
e=$(python2 "$PREFIX"/expr_genrator.py 5)
echo expression["$i"]="$e"
r1=$(s3select_calc "$e")
r2=$(c_calc "$e")
echo "$r1" "$r2"
## should be zero or very close to zero; ( s3select is C compile program )
res=$(echo "" | awk -v e="$e" -v r1="$r1" -v r2="$r2" 'function abs(n){if (n<0) return -n; else return n;}{if (abs(r1-r2) > 0.00001) {print "MISSMATCH result for expression",e;}}')
if test "$res" != ""; then
echo "$res"
exit 1
fi
done
}
aggregate_test()
{
## generate_rand_csv is generating with the same seed
echo check sum
s3select_val=$("$PREFIX"/generate_rand_csv 10 10 | "$PREFIX"/s3select_example -q 'select sum(int(_1)) from stdin;')
awk_val=$("$PREFIX"/generate_rand_csv 10 10 | awk 'BEGIN{FS=",";} {s+=$1;} END{print s;}')
s3select_val=${s3select_val::-1}
echo "$s3select_val" "$awk_val"
if test "$s3select_val" -ne "$awk_val"; then
exit 1
fi
echo check min
s3select_val=$("$PREFIX"/generate_rand_csv 10 10 | "$PREFIX"/s3select_example -q 'select min(int(_1)) from stdin;')
awk_val=$("$PREFIX"/generate_rand_csv 10 10 | awk 'BEGIN{FS=",";min=100000;} {if(min>$1) min=$1;} END{print min;}')
s3select_val=${s3select_val::-1}
echo "$s3select_val" "$awk_val"
if test "$s3select_val" -ne "$awk_val"; then
exit 1
fi
echo check max
s3select_val=$("$PREFIX"/generate_rand_csv 10 10 | "$PREFIX"/s3select_example -q 'select max(int(_1)) from stdin;')
awk_val=$("$PREFIX"/generate_rand_csv 10 10 | awk 'BEGIN{FS=",";max=0;} {if(max<$1) max=$1;} END{print max;}' )
s3select_val=${s3select_val::-1}
echo "$s3select_val" "$awk_val"
if test "$s3select_val" -ne "$awk_val"; then
exit 1
fi
echo check substr and count
s3select_val=$("$PREFIX"/generate_rand_csv 10000 10 | "$PREFIX"/s3select_example -q 'select count(int(_1)) from stdin where int(_1)>200 and int(_1)<250;')
awk_val=$("$PREFIX"/generate_rand_csv 10000 10 | "$PREFIX"/s3select_example -q 'select substr(_1,1,1) from stdin where int(_1)>200 and int(_1)<250;' | uniq -c | awk '{print $1;}')
s3select_val=${s3select_val::-1}
echo "$s3select_val" "$awk_val"
if test "$s3select_val" -ne "$awk_val"; then
exit 1
fi
}
###############################################################
expr_test
aggregate_test
rm "$PREFIX"/tmp.c "$PREFIX"/a.out
exit 0
|
