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-rw-r--r--t/test-lib-functions.sh79
1 files changed, 75 insertions, 4 deletions
diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
index a7e9aacbb2..aeae3ca769 100644
--- a/t/test-lib-functions.sh
+++ b/t/test-lib-functions.sh
@@ -1,4 +1,5 @@
-#!/bin/sh
+# Library of functions shared by all tests scripts, included by
+# test-lib.sh.
#
# Copyright (c) 2005 Junio C Hamano
#
@@ -76,11 +77,11 @@ 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 +649,7 @@ 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 +711,73 @@ 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
+}