Re: t5545: reduced test coverage

[Junio C Hamano <gitster@pobox.com>]

Junio C Hamano <gitster@pobox.com> writes:

> Junio C Hamano <gitster@pobox.com> writes:
>
>> It appears to me that only a few tests in the entire script wants to
>> work with HTTP server, so perhaps moving them to the end, together
>> with the inclusion of lib-httpd and start_httpd that 438fc684 ("push
>> options: pass push options to the transport helper", 2017-02-08)
>> introduced, may be sufficient?
>
> Probably not, as lib-httpd, when it gives up, does the
> "skip_all=message; test_done" thing, which makes test_done
> to trigger this:
>
> 	# Maybe print SKIP message
> 	if test -n "$skip_all" && test $test_count -gt 0
> 	then
> 		error "Can't use skip_all after running some tests"
> 	fi
>
> So a bit more work is needed, than just moving things around, I am
> afraid...

And now I am visiting bf4b7219 ("test-lib.sh: Add check for invalid
use of 'skip_all' facility", 2012-09-01), which is yours ;-)

I am wondering what the fallouts would be if we did the following to
test-lib.  We used to say "1..0 # SKIP <why>" when we skip
everything, which is still kept, so that prove can notice why things
are skipped.

When we abort early but after executing any test, we used to error
out, but instead we pretend that the test finished right there, as
it seems that we are not allowed to say "1..4 # SKIP <why>" after
running 4 tests.

 t/test-lib.sh | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 13b5696822..46f29cf112 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -745,20 +745,25 @@ test_done () {
 	fi
 	case "$test_failure" in
 	0)
-		# Maybe print SKIP message
-		if test -n "$skip_all" && test $test_count -gt 0
-		then
-			error "Can't use skip_all after running some tests"
-		fi
-		test -z "$skip_all" || skip_all=" # SKIP $skip_all"
-
 		if test $test_external_has_tap -eq 0
 		then
 			if test $test_remaining -gt 0
 			then
 				say_color pass "# passed all $msg"
 			fi
-			say "1..$test_count$skip_all"
+
+			# Maybe print SKIP message
+			test -z "$skip_all" || skip_all="# SKIP $skip_all"
+			case "$test_count" in
+			0)			    
+				say "1..$test_count${skip_all:+ $skip_all}"
+				;;
+			*)
+				test -z "$skip_all" ||
+				say_color warn "$skip_all"
+				say "1..$test_count"
+				;;
+			esac
 		fi
 
 		test -d "$remove_trash" &&