t: colorize results on tty output

[barcat.git] / t / regress.t

diff --git a/t/regress.t b/t/regress.t
index f81cfd7aab1ace5f30f91baa8f09e77f23bdaa82..b8d05ddcc8a3170072dd2681c3ec99fadf6647d4 100755 (executable)
--- a/t/regress.t
+++ b/t/regress.t
@@ -3,10 +3,20 @@
 cd "${0%/*}" || exit 1
 
 test_count=0
+fail_count=0
 
 COLUMNS=40
-diffcmd='diff --unchanged-line-format= --old-line-format=<%L --new-line-format=>%L'
+colorize=
+test -t 1 && colorize=1
+color () {
+       test -n "$colorize" &&
+       printf '\e[%sm' $@
+}
 regenerate=
+diffcmd () {
+       comm --nocheck-order --output-delimiter=::: -3 $@ |
+       perl -pe"END{exit !!\$.} s/^:::/$(color 31)>/ || s/^/$(color 32)</"
+}
 
 for option in "$@"
 do
@@ -36,11 +46,30 @@ do
                $cmd >$file.out 2>&1
        else
                if test -e $file.sh;  then $cmd 2>&1 | ./$file.sh; fi &&
-               if test -e $file.out; then $cmd 2>&1 | $diffcmd "$file.out" -; fi
+               if test -e $file.out; then $cmd 2>&1 | diffcmd "$file.out" -; fi
        fi
 
-       test 0 = $? || printf 'not '
+       if test 0 != $?
+       then
+               fail_count=$((fail_count+1))
+               color 1\;31
+               printf 'not '
+       fi
        echo "ok $test_count - $name"
+       color 0
 done
 
+if test $fail_count = 0
+then
+       color 32
+       echo "# passed all $test_count test(s)"
+else
+       color 31
+       echo "# failed $fail_count among $test_count test(s)"
+       fail_count=1  # exit code
+fi
+
+color 0\;36
 echo "1..$test_count"
+color 0
+exit $fail_count