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[dunfell,06/16] quilt: fix intermittent failure in faildiff.test

Message ID 2c9fe8c3bb1cc1883c7bd445d019b2107e85ab2b.1676931497.git.steve@sakoman.com
State Accepted, archived
Commit 2c9fe8c3bb1cc1883c7bd445d019b2107e85ab2b
Headers show
Series [dunfell,01/16] qemu: Fix slirp determinism issue | expand

Commit Message

Steve Sakoman Feb. 20, 2023, 10:20 p.m. UTC 
From: Ross Burton <ross.burton@arm.com>

This test assumes that if a child process writes one line to stderr and
then another line to stdout, and stderr is redirected to stdout, that
the order the lines will be read is stable.

This isn't the case and occasionally the lines will be read in a
different order.  Change the test to ignore line ordering.

[ YOCTO #14469 ]

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 1ddbe4d2bd8d8da10dac8a054f130fcd1d242219)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 meta/recipes-devtools/quilt/quilt.inc         |  1 +
 .../quilt/quilt/faildiff-order.patch          | 28 +++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 meta/recipes-devtools/quilt/quilt/faildiff-order.patch
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Patch

diff --git a/meta/recipes-devtools/quilt/quilt.inc b/meta/recipes-devtools/quilt/quilt.inc
index d7ecda7aaa..ad23b8d922 100644
--- a/meta/recipes-devtools/quilt/quilt.inc
+++ b/meta/recipes-devtools/quilt/quilt.inc
@@ -12,6 +12,7 @@  SRC_URI = "${SAVANNAH_GNU_MIRROR}/quilt/quilt-${PV}.tar.gz \
         file://Makefile \
         file://test.sh \
         file://0001-tests-Allow-different-output-from-mv.patch \
+        file://faildiff-order.patch \
 "
 
 SRC_URI_append_class-target = " file://gnu_patch_test_fix_target.patch"
diff --git a/meta/recipes-devtools/quilt/quilt/faildiff-order.patch b/meta/recipes-devtools/quilt/quilt/faildiff-order.patch
new file mode 100644
index 0000000000..40f3c2636a
--- /dev/null
+++ b/meta/recipes-devtools/quilt/quilt/faildiff-order.patch
@@ -0,0 +1,28 @@ 
+This test assumes that two lines that are output on different streams (stdout
+and stderr) will be read in the same order, but thanks to buffering that may not
+be the case.
+
+Change the expected lines to be regexs that each match both expected lines, so
+the test always works no matter the actual order the lines are read in.
+
+Bug filed at https://savannah.nongnu.org/bugs/index.php?63651 to discuss a
+proper solution.
+
+Upstream-Status: Inappropriate
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+diff --git a/test/faildiff.test b/test/faildiff.test
+index 5afb8e3..5f32f71 100644
+--- a/test/faildiff.test
++++ b/test/faildiff.test
+@@ -28,8 +28,8 @@ What happens on binary files?
+ 
+ 	$ printf "\\003\\000\\001" > test.bin
+ 	$ quilt diff -pab --no-index
+-	>~ (Files|Binary files) a/test\.bin and b/test\.bin differ
+-	> Diff failed on file 'test.bin', aborting
++	>~ (.*[Ff]iles a/test\.bin and b/test\.bin differ|Diff failed on file 'test.bin', aborting)
++	>~ (.*[Ff]iles a/test\.bin and b/test\.bin differ|Diff failed on file 'test.bin', aborting)
+ 	$ echo %{?}
+ 	> 1
+