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Diffstat (limited to 't/test-lib.sh')
| -rw-r--r-- | t/test-lib.sh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/t/test-lib.sh b/t/test-lib.sh index 6aea0ea0a5..268b26c959 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -42,6 +42,7 @@ export GIT_MERGE_VERBOSITY export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME export EDITOR VISUAL +GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u} # Protect ourselves from common misconfiguration to export # CDPATH into the environment @@ -302,6 +303,23 @@ test_must_fail () { test $? -gt 0 -a $? -le 128 } +# test_cmp is a helper function to compare actual and expected output. +# You can use it like: +# +# test_expect_success 'foo works' ' +# echo expected >expected && +# foo >actual && +# test_cmp expected actual +# ' +# +# This could be written as either "cmp" or "diff -u", but: +# - cmp's output is not nearly as easy to read as diff -u +# - not all diff versions understand "-u" + +test_cmp() { + $GIT_TEST_CMP "$@" +} + # Most tests can use the created repository, but some may need to create more. # Usage: test_create_repo <directory> test_create_repo () { |