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git/t/t5600-clone-fail-cleanup.sh
Junio C Hamano 41ac414ea2 Sane use of test_expect_failure
Originally, test_expect_failure was designed to be the opposite
of test_expect_success, but this was a bad decision.  Most tests
run a series of commands that leads to the single command that
needs to be tested, like this:

    test_expect_{success,failure} 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        what is to be tested
    '

And expecting a failure exit from the whole sequence misses the
point of writing tests.  Your setup$N that are supposed to
succeed may have failed without even reaching what you are
trying to test.  The only valid use of test_expect_failure is to
check a trivial single command that is expected to fail, which
is a minority in tests of Porcelain-ish commands.

This large-ish patch rewrites all uses of test_expect_failure to
use test_expect_success and rewrites the condition of what is
tested, like this:

    test_expect_success 'test title' '
	setup1 &&
        setup2 &&
        setup3 &&
        ! this command should fail
    '

test_expect_failure is redefined to serve as a reminder that
that test *should* succeed but due to a known breakage in git it
currently does not pass.  So if git-foo command should create a
file 'bar' but you discovered a bug that it doesn't, you can
write a test like this:

    test_expect_failure 'git-foo should create bar' '
        rm -f bar &&
        git foo &&
        test -f bar
    '

This construct acts similar to test_expect_success, but instead
of reporting "ok/FAIL" like test_expect_success does, the
outcome is reported as "FIXED/still broken".

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-01 20:49:34 -08:00

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#!/bin/sh
#
# Copyright (C) 2006 Carl D. Worth <cworth@cworth.org>
#
test_description='test git-clone to cleanup after failure
This test covers the fact that if git-clone fails, it should remove
the directory it created, to avoid the user having to manually
remove the directory before attempting a clone again.'
. ./test-lib.sh
test_expect_success \
'clone of non-existent source should fail' \
'! git-clone foo bar'
test_expect_success \
'failed clone should not leave a directory' \
'! test -d bar'
# Need a repo to clone
test_create_repo foo
# clone doesn't like it if there is no HEAD. Is that a bug?
(cd foo && touch file && git add file && git commit -m 'add file' >/dev/null 2>&1)
# source repository given to git-clone should be relative to the
# current path not to the target dir
test_expect_success \
'clone of non-existent (relative to $PWD) source should fail' \
'! git-clone ../foo baz'
test_expect_success \
'clone should work now that source exists' \
'git-clone foo bar'
test_expect_success \
'successful clone must leave the directory' \
'cd bar'
test_done