On Sat, Nov 17, 2012 at 12:05 PM, SZEDER Gábor <szeder@xxxxxxxxxx> wrote:
> The 'basic' test uses 'grep -q' to filter the resulting possible
> completion words while looking for the presence or absence of certain
> git commands, and relies on grep's exit status to indicate a failure.
>
> This works fine as long as there are no errors. However, in case of a
> failure it doesn't give any indication whatsoever about the reason of
> the failure, i.e. which condition failed.
>
> To make testers' life easier provide some output about the failed
> condition: store the results of the filtering in a file and compare
> its contents to the expected results by the good old test_cmp helper.
> However, to actually get output from test_cmp in case of an error we
> must make sure that test_cmp is always executed. Since in case of an
> error grep's exit code aborts the test immediately, before running the
> subsequent test_cmp, do the filtering using sed instead of grep.
>
> Signed-off-by: SZEDER Gábor <szeder@xxxxxxxxxx>
> ---
> t/t9902-completion.sh | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
> index 8fa025f9..b56759f7 100755
> --- a/t/t9902-completion.sh
> +++ b/t/t9902-completion.sh
> @@ -158,14 +158,22 @@ test_expect_success '__gitcomp - suffix' '
> test_expect_success 'basic' '
> run_completion "git \"\"" &&
> # built-in
> - grep -q "^add \$" out &&
> + echo "add " >expected &&
> + sed -n "/^add \$/p" out >out2 &&
> + test_cmp expected out2 &&
> # script
> - grep -q "^filter-branch \$" out &&
> + echo "filter-branch " >expected &&
> + sed -n "/^filter-branch \$/p" out >out2 &&
> + test_cmp expected out2 &&
> # plumbing
> - ! grep -q "^ls-files \$" out &&
> + >expected &&
> + sed -n "/^ls-files \$/p" out >out2 &&
> + test_cmp expected out2 &&
>
> run_completion "git f" &&
> - ! grep -q -v "^f" out
> + >expected &&
> + sed -n "/^[^f]/p" out >out2 &&
> + test_cmp expected out2
> '
>
> test_expect_success 'double dash "git" itself' '
It's not very useful to see a single failure without context. Maybe this:
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -191,18 +191,20 @@ test_expect_success '__gitcomp_nl - doesnt fail
because of invalid variable name
test_expect_success 'basic' '
run_completion "git " &&
+ (
# built-in
- echo "add " >expected &&
- sed -n "/^add \$/p" out >out2 &&
- test_cmp expected out2 &&
+ sed -n "/^add $/p" out &&
# script
- echo "filter-branch " >expected &&
- sed -n "/^filter-branch \$/p" out >out2 &&
- test_cmp expected out2 &&
+ sed -n "/^filter-branch $/p" out &&
# plumbing
- >expected &&
- sed -n "/^ls-files \$/p" out >out2 &&
- test_cmp expected out2 &&
+ sed -n "/^ls-files $/p" out
+ ) > actual &&
+
+ sed -e 's/Z$//' > expected <<-EOF &&
+ add Z
+ filter-branch Z
+ EOF
+ test_cmp expected actual &&
run_completion "git f" &&
>expected &&
--
Felipe Contreras
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