Re: [PATCH 5/7] t0000: verify that real_path() works correctly with absolute paths

> Am 9/4/2012 10:14, schrieb mhagger@alum.mit.edu:
>> From: Michael Haggerty <mhagger@alum.mit.edu>
>>
>> There is currently a bug: if passed an absolute top-level path that
>> doesn't exist (e.g., "/foo") it incorrectly interprets the path as a
>> relative path (e.g., returns "$(pwd)/foo").  So mark the test as
>> failing.
>>
>> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
>> ---
>>  t/t0000-basic.sh | 12 +++++++++++-
>>  1 file changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh
>> index 1a51634..ad002ee 100755
>> --- a/t/t0000-basic.sh
>> +++ b/t/t0000-basic.sh
>> @@ -458,7 +458,17 @@ test_expect_success 'real path rejects the empty string' '
>>  	test_must_fail test-path-utils real_path ""
>>  '
>>  
> 
> These tests should really be in t0060-path-utils.sh.
> 
>> -test_expect_success SYMLINKS 'real path works as expected' '
>> +test_expect_failure 'real path works on absolute paths' '
>> +	nopath="hopefully-absent-path" &&
>> +	test "/" = "$(test-path-utils real_path "/")" &&
>> +	test "/$nopath" = "$(test-path-utils real_path "/$nopath")" &&
> 
> These tests fail on Windows because test-path-utils operates on a
> DOS-style absolute path even if a POSIX style absolute path is passed as
> argument. The best thing would be to move this to a separate test that is
> protected by a POSIX prerequisite (which is set in t0060).
> 
>> +	# Find an existing top-level directory for the remaining tests:
>> +	d=$(pwd -P | sed -e "s|^\(/[^/]*\)/.*|\1|") &&
> 
> pwd -P actually expands to pwd -W on Windows, and produces a DOS-style
> path. I suggest to insert [^/]* to skip drive letter-colon like so:
> 
> 	d=$(pwd -P | sed -e "s|^\([^/]*/[^/]*\)/.*|\1|") &&
> 
>> +	test "$d" = "$(test-path-utils real_path "$d")" &&
>> +	test "$d/$nopath" = "$(test-path-utils real_path "$d/$nopath")"
> 
> Then these tests pass.