On 07/27/2016 02:06 AM, [email protected] wrote:
From: Lars Schneider <[email protected]>
Generate a more interesting large test file with random characters in
between and reuse this test file in multiple tests. Run tests formerly
marked as EXPENSIVE every time but with a smaller test file.
Signed-off-by: Lars Schneider <[email protected]>
---
t/t0021-conversion.sh | 35 +++++++++++++++++++++++++----------
1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index 7b45136..b9911a4 100755
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -4,6 +4,13 @@ test_description='blob conversion via gitattributes'
. ./test-lib.sh
+if test_have_prereq EXPENSIVE
+then
+ T0021_LARGE_FILE_SIZE=2048
+else
+ T0021_LARGE_FILE_SIZE=30
+fi
+
cat <<EOF >rot13.sh
#!$SHELL_PATH
tr \
@@ -31,7 +38,15 @@ test_expect_success setup '
cat test >test.i &&
git add test test.t test.i &&
rm -f test test.t test.i &&
- git checkout -- test test.t test.i
+ git checkout -- test test.t test.i &&
+
+ mkdir -p generated-test-data &&
+ for i in $(test_seq 1 $T0021_LARGE_FILE_SIZE)
+ do
+ # Generate 1MB of empty data and 100 bytes of random characters
+ printf "%1048576d" 1
+ printf "$(LC_ALL=C tr -dc "A-Za-z0-9" </dev/urandom | dd
bs=$((RANDOM>>8)) count=1 2>/dev/null)"
I'm not sure how portable /dev/urandom is.
The other thing, that "really random" numbers are an overkill, and
it may be easier to use pre-defined numbers,
The rest of 1..4 looks good, I will look at 5/5 later.
+ done >generated-test-data/large.file
'
script='s/^\$Id: \([0-9a-f]*\) \$/\1/p'
@@ -199,9 +214,9 @@ test_expect_success 'required filter clean failure' '
test_expect_success 'filtering large input to small output should use little
memory' '
test_config filter.devnull.clean "cat >/dev/null" &&
test_config filter.devnull.required true &&
- for i in $(test_seq 1 30); do printf "%1048576d" 1; done >30MB &&
- echo "30MB filter=devnull" >.gitattributes &&
- GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add 30MB
+ cp generated-test-data/large.file large.file &&
+ echo "large.file filter=devnull" >.gitattributes &&
+ GIT_MMAP_LIMIT=1m GIT_ALLOC_LIMIT=1m git add large.file
'
test_expect_success 'filter that does not read is fine' '
@@ -214,15 +229,15 @@ test_expect_success 'filter that does not read is fine' '
test_cmp expect actual
'
-test_expect_success EXPENSIVE 'filter large file' '
+test_expect_success 'filter large file' '
test_config filter.largefile.smudge cat &&
test_config filter.largefile.clean cat &&
- for i in $(test_seq 1 2048); do printf "%1048576d" 1; done >2GB &&
- echo "2GB filter=largefile" >.gitattributes &&
- git add 2GB 2>err &&
+ echo "large.file filter=largefile" >.gitattributes &&
+ cp generated-test-data/large.file large.file &&
+ git add large.file 2>err &&
test_must_be_empty err &&
- rm -f 2GB &&
- git checkout -- 2GB 2>err &&
+ rm -f large.file &&
+ git checkout -- large.file 2>err &&
test_must_be_empty err
'
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