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-rwxr-xr-xt/t4125-apply-ws-fuzz.sh103
1 files changed, 103 insertions, 0 deletions
diff --git a/t/t4125-apply-ws-fuzz.sh b/t/t4125-apply-ws-fuzz.sh
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+++ b/t/t4125-apply-ws-fuzz.sh
@@ -0,0 +1,103 @@
+#!/bin/sh
+
+test_description='applying patch that has broken whitespaces in context'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+ >file &&
+ git add file &&
+
+ # file-0 is full of whitespace breakages
+ for l in a bb c d eeee f ggg h
+ do
+ echo "$l "
+ done >file-0 &&
+
+ # patch-0 creates a whitespace broken file
+ cat file-0 >file &&
+ git diff >patch-0 &&
+ git add file &&
+
+ # file-1 is still full of whitespace breakages,
+ # but has one line updated, without fixing any
+ # whitespaces.
+ # patch-1 records that change.
+ sed -e "s/d/D/" file-0 >file-1 &&
+ cat file-1 >file &&
+ git diff >patch-1 &&
+
+ # patch-all is the effect of both patch-0 and patch-1
+ >file &&
+ git add file &&
+ cat file-1 >file &&
+ git diff >patch-all &&
+
+ # patch-2 is the same as patch-1 but is based
+ # on a version that already has whitespace fixed,
+ # and does not introduce whitespace breakages.
+ sed -e "s/ \$//" patch-1 >patch-2 &&
+
+ # If all whitespace breakages are fixed the contents
+ # should look like file-fixed
+ sed -e "s/ \$//" file-1 >file-fixed
+
+'
+
+test_expect_success nofix '
+
+ >file &&
+ git add file &&
+
+ # Baseline. Applying without fixing any whitespace
+ # breakages.
+ git apply --whitespace=nowarn patch-0 &&
+ git apply --whitespace=nowarn patch-1 &&
+
+ # The result should obviously match.
+ test_cmp file-1 file
+'
+
+test_expect_success 'withfix (forward)' '
+
+ >file &&
+ git add file &&
+
+ # The first application will munge the context lines
+ # the second patch depends on. We should be able to
+ # adjust and still apply.
+ git apply --whitespace=fix patch-0 &&
+ git apply --whitespace=fix patch-1 &&
+
+ test_cmp file-fixed file
+'
+
+test_expect_success 'withfix (backward)' '
+
+ >file &&
+ git add file &&
+
+ # Now we have a whitespace breakages on our side.
+ git apply --whitespace=nowarn patch-0 &&
+
+ # And somebody sends in a patch based on image
+ # with whitespace already fixed.
+ git apply --whitespace=fix patch-2 &&
+
+ # The result should accept the whitespace fixed
+ # postimage. But the line with "h" is beyond context
+ # horizon and left unfixed.
+
+ sed -e /h/d file-fixed >fixed-head &&
+ sed -e /h/d file >file-head &&
+ test_cmp fixed-head file-head &&
+
+ sed -n -e /h/p file-fixed >fixed-tail &&
+ sed -n -e /h/p file >file-tail &&
+
+ ! test_cmp fixed-tail file-tail
+
+'
+
+test_done