diff options
Diffstat (limited to 't/test-lib-functions.sh')
| -rw-r--r-- | t/test-lib-functions.sh | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index a7e9aacbb2..2f79146e6c 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -76,11 +76,11 @@ test_decode_color () { } nul_to_q () { - "$PERL_PATH" -pe 'y/\000/Q/' + perl -pe 'y/\000/Q/' } q_to_nul () { - "$PERL_PATH" -pe 'y/Q/\000/' + perl -pe 'y/Q/\000/' } q_to_cr () { @@ -648,7 +648,7 @@ test_seq () { 2) ;; *) error "bug in the test script: not 1 or 2 parameters to test_seq" ;; esac - "$PERL_PATH" -le 'print for $ARGV[0]..$ARGV[1]' -- "$@" + perl -le 'print for $ARGV[0]..$ARGV[1]' -- "$@" } # This function can be used to schedule some commands to be run @@ -710,3 +710,73 @@ test_ln_s_add () { git update-index --add --cacheinfo 120000 $ln_s_obj "$2" fi } + +perl () { + command "$PERL_PATH" "$@" +} + +# The following mingw_* functions obey POSIX shell syntax, but are actually +# bash scripts, and are meant to be used only with bash on Windows. + +# A test_cmp function that treats LF and CRLF equal and avoids to fork +# diff when possible. +mingw_test_cmp () { + # Read text into shell variables and compare them. If the results + # are different, use regular diff to report the difference. + local test_cmp_a= test_cmp_b= + + # When text came from stdin (one argument is '-') we must feed it + # to diff. + local stdin_for_diff= + + # Since it is difficult to detect the difference between an + # empty input file and a failure to read the files, we go straight + # to diff if one of the inputs is empty. + if test -s "$1" && test -s "$2" + then + # regular case: both files non-empty + mingw_read_file_strip_cr_ test_cmp_a <"$1" + mingw_read_file_strip_cr_ test_cmp_b <"$2" + elif test -s "$1" && test "$2" = - + then + # read 2nd file from stdin + mingw_read_file_strip_cr_ test_cmp_a <"$1" + mingw_read_file_strip_cr_ test_cmp_b + stdin_for_diff='<<<"$test_cmp_b"' + elif test "$1" = - && test -s "$2" + then + # read 1st file from stdin + mingw_read_file_strip_cr_ test_cmp_a + mingw_read_file_strip_cr_ test_cmp_b <"$2" + stdin_for_diff='<<<"$test_cmp_a"' + fi + test -n "$test_cmp_a" && + test -n "$test_cmp_b" && + test "$test_cmp_a" = "$test_cmp_b" || + eval "diff -u \"\$@\" $stdin_for_diff" +} + +# $1 is the name of the shell variable to fill in +mingw_read_file_strip_cr_ () { + # Read line-wise using LF as the line separator + # and use IFS to strip CR. + local line + while : + do + if IFS=$'\r' read -r -d $'\n' line + then + # good + line=$line$'\n' + else + # we get here at EOF, but also if the last line + # was not terminated by LF; in the latter case, + # some text was read + if test -z "$line" + then + # EOF, really + break + fi + fi + eval "$1=\$$1\$line" + done +} |