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authorSZEDER Gábor <szeder.dev@gmail.com>2018-08-19 21:57:25 (GMT)
committerJunio C Hamano <gitster@pobox.com>2018-08-21 18:48:36 (GMT)
commit1c5e94f459a0b7c23ef7e855441a65afdc4effab (patch)
treeaa11042b35029df758f45585b0d7aeb84efdd731 /t/t7004-tag.sh
parentec21ac8c189537df815e49bdf8f08da927665cf2 (diff)
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tests: use 'test_must_be_empty' instead of 'test_cmp <empty> <out>'
Using 'test_must_be_empty' is shorter and more idiomatic than >empty && test_cmp empty out as it saves the creation of an empty file. Furthermore, sometimes the expected empty file doesn't have such a descriptive name like 'empty', and its creation is far away from the place where it's finally used for comparison (e.g. in 't7600-merge.sh', where two expected empty files are created in the 'setup' test, but are used only about 500 lines later). These cases were found by instrumenting 'test_cmp' to error out the test script when it's used to compare empty files, and then converted manually. Note that even after this patch there still remain a lot of cases where we use 'test_cmp' to check empty files: - Sometimes the expected output is not hard-coded in the test, but 'test_cmp' is used to ensure that two similar git commands produce the same output, and that output happens to be empty, e.g. the test 'submodule update --merge - ignores --merge for new submodules' in 't7406-submodule-update.sh'. - Repetitive common tasks, including preparing the expected results and running 'test_cmp', are often extracted into a helper function, and some of this helper's callsites expect no output. - For the same reason as above, the whole 'test_expect_success' block is within a helper function, e.g. in 't3070-wildmatch.sh'. - Or 'test_cmp' is invoked in a loop, e.g. the test 'cvs update (-p)' in 't9400-git-cvsserver-server.sh'. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t7004-tag.sh')
-rwxr-xr-xt/t7004-tag.sh8
1 files changed, 2 insertions, 6 deletions
diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh
index 93a6694..2e17cdb 100755
--- a/t/t7004-tag.sh
+++ b/t/t7004-tag.sh
@@ -325,11 +325,10 @@ test_expect_success \
test_cmp expect actual
'
->expect
test_expect_success \
'listing tags using v.* should print nothing because none have v.' '
git tag -l "v.*" > actual &&
- test_cmp expect actual
+ test_must_be_empty actual
'
cat >expect <<EOF
@@ -1498,12 +1497,9 @@ test_expect_success 'inverse of the last test, with --no-contains' "
test_cmp expected actual
"
-cat > expected <<EOF
-EOF
-
test_expect_success 'checking that third commit has no tags' "
git tag -l --contains $hash3 v* >actual &&
- test_cmp expected actual
+ test_must_be_empty actual
"
cat > expected <<EOF