Merge pull request #12 from bhearsum/reproducible-tests

fix tests to be reproducible
This commit is contained in:
Ben Hearsum (he/him) 2024-09-12 11:57:27 -04:00 коммит произвёл GitHub
Родитель 5eae96a7a9 0389a611e6
Коммит c631a40090
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: B5690EEEBB952194
8 изменённых файлов: 150 добавлений и 129 удалений

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@ -51,7 +51,7 @@ dmgs. It is separate from the HFS+ utility in order that the hfs directory
does not have dependencies on the dmg directory.
The makefile in the root folder will make all utilities.
mkdir build && cd build
cmake ..
make # Or only make hfs / make dmg / ...
@ -73,3 +73,10 @@ The makefile in the root folder will make all utilities.
### hdutil
cd hdiutil
make
TESTING
-------
* Configure in 'build': `cmake -B build`
* Install cram: `pipx install cram`
* Run tests: `cram test/*.t`

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@ -4,18 +4,20 @@ Make sure we have a fresh build:
$ cd $BUILDDIR
$ make 2> /dev/null >/dev/null
$ cd $CRAMTMP
$ export OUTPUT=attribution_output
$ mkdir $OUTPUT
$ $BUILDDIR/dmg/dmg build $TESTDIR/attribution_reference/hdiutila.hfs testa.dmg __MOZILLA__attr-value- >/dev/null
$ $BUILDDIR/dmg/dmg build $TESTDIR/attribution_reference/hdiutila.hfs $OUTPUT/testa.dmg __MOZILLA__attr-value- >/dev/null
Note the "attr-value-p" suffix below!
$ $BUILDDIR/dmg/dmg build $TESTDIR/attribution_reference/hdiutilp.hfs testb.dmg __MOZILLA__attr-value- >/dev/null
$ $BUILDDIR/dmg/dmg build $TESTDIR/attribution_reference/hdiutilp.hfs $OUTPUT/testb.dmg __MOZILLA__attr-value- >/dev/null
$ xxd testa.dmg > testa.txt
$ xxd testb.dmg > testb.txt
$ diff --unified=3 testa.txt testb.txt
--- testa.txt* (glob)
+++ testb.txt* (glob)
$ xxd $OUTPUT/testa.dmg > $OUTPUT/testa.txt
$ xxd $OUTPUT/testb.dmg > $OUTPUT/testb.txt
$ diff --unified=3 $OUTPUT/testa.txt $OUTPUT/testb.txt
--- *testa.txt* (glob)
+++ *testb.txt* (glob)
@@ -3349,7 +3349,7 @@
0000d140: 7400 7200 2d00 6b00 6500 7900 0000 1000 t.r.-.k.e.y.....
0000d150: 0000 0000 0000 0000 0000 175f 5f4d 4f5a ...........__MOZ
@ -102,7 +104,7 @@ Note the "attr-value-p" suffix below!
Check resources:
$ $BUILDDIR/dmg/dmg res testa.dmg - | expand -t 4
$ $BUILDDIR/dmg/dmg res $OUTPUT/testa.dmg - | expand -t 4
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
@ -437,20 +439,20 @@ Check resources:
Line in the sand:
$ shasum testa.dmg testb.dmg
85f7e85acef53b63fc199e84ff801ae96b3e8c83 testa.dmg
ef6e91b330f5eacd10eb5e37603b8baa06d4a1a4 testb.dmg
$ shasum $OUTPUT/testa.dmg $OUTPUT/testb.dmg
85f7e85acef53b63fc199e84ff801ae96b3e8c83 *testa.dmg (glob)
ef6e91b330f5eacd10eb5e37603b8baa06d4a1a4 *testb.dmg (glob)
Attribute:
$ $BUILDDIR/dmg/dmg attribute testa.dmg testa_updated.dmg __MOZILLA__attr-value- __MOZILLA__attr-value-p >/dev/null
$ $BUILDDIR/dmg/dmg attribute $OUTPUT/testa.dmg $OUTPUT/testa_updated.dmg __MOZILLA__attr-value- __MOZILLA__attr-value-p >/dev/null
Unfortunately, attributing builds does not update the cSum block, so we expect some differences here:
$ xxd testa_updated.dmg > testa_updated.txt
$ diff --unified=3 testb.txt testa_updated.txt
--- testb.txt* (glob)
+++ testa_updated.txt* (glob)
$ xxd $OUTPUT/testa_updated.dmg > $OUTPUT/testa_updated.txt
$ diff --unified=3 $OUTPUT/testb.txt $OUTPUT/testa_updated.txt
--- *testb.txt* (glob)
+++ *testa_updated.txt* (glob)
@@ -16831,7 +16831,7 @@
00041be0: 3c2f 7374 7269 6e67 3e0a 0909 0909 3c6b </string>.....<k
00041bf0: 6579 3e44 6174 613c 2f6b 6579 3e0a 0909 ey>Data</key>...
@ -483,19 +485,19 @@ Unfortunately, attributing builds does not update the cSum block, so we expect s
00042440: 6b2b 596e 6c30 5a58 4d38 4c32 746c 6554 k+Ynl0ZXM8L2tleT
00042450: 344b 4354 7870 626e 526c 5a32 5679 0a09 4KCTxpbnRlZ2Vy..
[1]
$ shasum testb.dmg testa_updated.dmg
ef6e91b330f5eacd10eb5e37603b8baa06d4a1a4 testb.dmg
41fadf80df5625ac458a0c1c548f37afbc41b06e testa_updated.dmg
$ shasum $OUTPUT/testb.dmg $OUTPUT/testa_updated.dmg
ef6e91b330f5eacd10eb5e37603b8baa06d4a1a4 *testb.dmg (glob)
41fadf80df5625ac458a0c1c548f37afbc41b06e *testa_updated.dmg (glob)
However, if we revert, the checksums should match again:
We could also revert:
$ $BUILDDIR/dmg/dmg attribute testa_updated.dmg testa_reverted.dmg __MOZILLA__attr-value- __MOZILLA__attr-value-a >/dev/null
$ $BUILDDIR/dmg/dmg attribute $OUTPUT/testa_updated.dmg $OUTPUT/testa_reverted.dmg __MOZILLA__attr-value- __MOZILLA__attr-value-a >/dev/null
Note -- same same:
$ xxd testa_reverted.dmg > testa_reverted.txt
$ diff --unified=3 testa.txt testa_reverted.txt
$ shasum testa.dmg testa_reverted.dmg
85f7e85acef53b63fc199e84ff801ae96b3e8c83 testa.dmg
85f7e85acef53b63fc199e84ff801ae96b3e8c83 testa_reverted.dmg
$ xxd $OUTPUT/testa_reverted.dmg > $OUTPUT/testa_reverted.txt
$ diff --unified=3 $OUTPUT/testa.txt $OUTPUT/testa_reverted.txt
$ shasum $OUTPUT/testa.dmg $OUTPUT/testa_reverted.dmg
85f7e85acef53b63fc199e84ff801ae96b3e8c83 *testa.dmg (glob)
85f7e85acef53b63fc199e84ff801ae96b3e8c83 *testa_reverted.dmg (glob)

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@ -4,36 +4,38 @@ Make sure we have a fresh build:
$ cd $BUILDDIR
$ make 2> /dev/null >/dev/null
$ cd $CRAMTMP
$ export STAGEDIR=attribution_full_length_stagedir
$ export OUTPUT=attribution_full_length_output
Prepare content and the attribution code (997 is 1024 minus the length of the sentinel):
$ mkdir stagedir
$ echo "content-a" >> stagedir/a
$ mkdir $STAGEDIR
$ echo "content-a" >> $STAGEDIR/a
$ sentinel="__MOZILLA__attribution-code"
$ code=$(printf "${sentinel}%*s" "997" | tr ' ' '\011')
$ attributed_code=$(printf "${sentinel}%*s" "997" | tr ' ' '~')
Make a small HFS filesystem with a full length (1024 byte) attribution value:
$ mkdir output
$ cp $TESTDIR/empty.hfs output/full-length.hfs
$ $BUILDDIR/hfs/hfsplus output/full-length.hfs add stagedir/a a
$ $BUILDDIR/hfs/hfsplus output/full-length.hfs setattr a attr-key "$code"
$ mkdir $OUTPUT
$ cp $TESTDIR/empty.hfs $OUTPUT/full-length.hfs
$ $BUILDDIR/hfs/hfsplus $OUTPUT/full-length.hfs add $STAGEDIR/a a
$ $BUILDDIR/hfs/hfsplus $OUTPUT/full-length.hfs setattr a attr-key "$code"
Echo it back, make sure it is the right length in the HFS filesystem:
$ $BUILDDIR/hfs/hfsplus output/full-length.hfs getattr a attr-key | wc -c
1024
$ $BUILDDIR/hfs/hfsplus $OUTPUT/full-length.hfs getattr a attr-key | wc -c
\s*1024 (re)
Build a DMG:
$ $BUILDDIR/dmg/dmg build output/full-length.hfs output/full-length.dmg "$sentinel" >/dev/null
$ $BUILDDIR/dmg/dmg build $OUTPUT/full-length.hfs $OUTPUT/full-length.dmg "$sentinel" >/dev/null
Now attribute, using printable characters for the full length:
$ $BUILDDIR/dmg/dmg attribute output/full-length.dmg output/full-length-attributed.dmg "$sentinel" "$attributed_code" >/dev/null
$ $BUILDDIR/dmg/dmg attribute $OUTPUT/full-length.dmg $OUTPUT/full-length-attributed.dmg "$sentinel" "$attributed_code" >/dev/null
Extract the HFS from the attributed DMG, and check to see if the code is correct:
$ $BUILDDIR/dmg/dmg extract output/full-length-attributed.dmg output/full-length-attributed.hfs >/dev/null
$ $BUILDDIR/hfs/hfsplus output/full-length-attributed.hfs getattr a attr-key | grep -c "$attributed_code"
$ $BUILDDIR/dmg/dmg extract $OUTPUT/full-length-attributed.dmg $OUTPUT/full-length-attributed.hfs >/dev/null
$ $BUILDDIR/hfs/hfsplus $OUTPUT/full-length-attributed.hfs getattr a attr-key | grep -c "$attributed_code"
1

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@ -4,30 +4,32 @@ Make sure we have a fresh build:
$ cd $BUILDDIR
$ make 2> /dev/null >/dev/null
$ cd $CRAMTMP
$ export STAGEDIR=attribution_shorter_than_sentinel_stagedir
$ export OUTPUT=attribution_shorter_than_sentinel_output
Prepare content and the attribution code:
$ mkdir stagedir
$ echo "content-a" >> stagedir/a
$ mkdir $STAGEDIR
$ echo "content-a" >> $STAGEDIR/a
$ sentinel="__MOZILLA__attribution-code"
$ attribution_code="short"
Create the filesystem with the sentinel value in the attribute:
$ mkdir output
$ cp $TESTDIR/empty.hfs output/short.hfs
$ $BUILDDIR/hfs/hfsplus output/short.hfs add stagedir/a a
$ $BUILDDIR/hfs/hfsplus output/short.hfs setattr a attr-key "$sentinel"
$ mkdir $OUTPUT
$ cp $TESTDIR/empty.hfs $OUTPUT/short.hfs
$ $BUILDDIR/hfs/hfsplus $OUTPUT/short.hfs add $STAGEDIR/a a
$ $BUILDDIR/hfs/hfsplus $OUTPUT/short.hfs setattr a attr-key "$sentinel"
Build a DMG:
$ $BUILDDIR/dmg/dmg build output/short.hfs output/short.dmg "$sentinel" >/dev/null
$ $BUILDDIR/dmg/dmg build $OUTPUT/short.hfs $OUTPUT/short.dmg "$sentinel" >/dev/null
Now attribute:
$ $BUILDDIR/dmg/dmg attribute output/short.dmg output/short-attributed.dmg "__MOZILLA__" "$attribution_code" >/dev/null
$ $BUILDDIR/dmg/dmg attribute $OUTPUT/short.dmg $OUTPUT/short-attributed.dmg "__MOZILLA__" "$attribution_code" >/dev/null
Extract the HFS from the attributed DMG, and check to see if the code is correct:
$ $BUILDDIR/dmg/dmg extract output/short-attributed.dmg output/short-attributed.hfs >/dev/null
$ $BUILDDIR/hfs/hfsplus output/short-attributed.hfs getattr a attr-key | tr -d '\0'
$ $BUILDDIR/dmg/dmg extract $OUTPUT/short-attributed.dmg $OUTPUT/short-attributed.hfs >/dev/null
$ $BUILDDIR/hfs/hfsplus $OUTPUT/short-attributed.hfs getattr a attr-key | tr -d '\0'
short (no-eol)

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@ -4,12 +4,14 @@ Make sure we have a fresh build:
$ cd $BUILDDIR
$ make 2> /dev/null >/dev/null
$ cd $CRAMTMP
$ export STAGEDIR=hfs_xattrs_stagedir
$ export OUTPUT=hfs_xattrs_output
Prepare content:
$ mkdir stagedir
$ echo "content-a" >> stagedir/a
$ echo "content-b" >> stagedir/b
$ mkdir $STAGEDIR
$ echo "content-a" >> $STAGEDIR/a
$ echo "content-b" >> $STAGEDIR/b
Extract reference HFSs and attributes. We parse the debugattrs a bit because the attribute numbers from hdiutil and hfsplus may not match:
@ -23,26 +25,26 @@ Extract reference HFSs and attributes. We parse the debugattrs a bit because the
Generate comparison HFSs:
$ mkdir output
$ cp $TESTDIR/empty.hfs output/stageda.hfs
$ $BUILDDIR/hfs/hfsplus output/stageda.hfs add stagedir/a a
$ $BUILDDIR/hfs/hfsplus output/stageda.hfs add stagedir/b b
$ $BUILDDIR/hfs/hfsplus output/stageda.hfs setattr a 'attr-key-a' '__MOZILLA__attr-value-a__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus output/stageda.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > output/stageda.attrs
$ cp $TESTDIR/empty.hfs output/stagedab.hfs
$ $BUILDDIR/hfs/hfsplus output/stagedab.hfs add stagedir/a a
$ $BUILDDIR/hfs/hfsplus output/stagedab.hfs add stagedir/b b
$ $BUILDDIR/hfs/hfsplus output/stagedab.hfs setattr a 'attr-key-a' '__MOZILLA__attr-value-a__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus output/stagedab.hfs setattr b 'attr-key-b' '__MOZILLA__attr-value-b__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus output/stagedab.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > output/stagedab.attrs
$ cp $TESTDIR/empty.hfs output/stagedb.hfs
$ $BUILDDIR/hfs/hfsplus output/stagedb.hfs add stagedir/a a
$ $BUILDDIR/hfs/hfsplus output/stagedb.hfs add stagedir/b b
$ $BUILDDIR/hfs/hfsplus output/stagedb.hfs setattr b 'attr-key-b' '__MOZILLA__attr-value-b__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus output/stagedb.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > output/stagedb.attrs
$ mkdir $OUTPUT
$ cp $TESTDIR/empty.hfs $OUTPUT/stageda.hfs
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stageda.hfs add $STAGEDIR/a a
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stageda.hfs add $STAGEDIR/b b
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stageda.hfs setattr a 'attr-key-a' '__MOZILLA__attr-value-a__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stageda.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > $OUTPUT/stageda.attrs
$ cp $TESTDIR/empty.hfs $OUTPUT/stagedab.hfs
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedab.hfs add $STAGEDIR/a a
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedab.hfs add $STAGEDIR/b b
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedab.hfs setattr a 'attr-key-a' '__MOZILLA__attr-value-a__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedab.hfs setattr b 'attr-key-b' '__MOZILLA__attr-value-b__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedab.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > $OUTPUT/stagedab.attrs
$ cp $TESTDIR/empty.hfs $OUTPUT/stagedb.hfs
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedb.hfs add $STAGEDIR/a a
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedb.hfs add $STAGEDIR/b b
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedb.hfs setattr b 'attr-key-b' '__MOZILLA__attr-value-b__MOZILLA__'
$ $BUILDDIR/hfs/hfsplus $OUTPUT/stagedb.hfs debugattrs verbose | grep attribute | sed -e 's/[0-9].*:/:/' > $OUTPUT/stagedb.attrs
Compare attributes in the reference images and generated images:
$ diff --unified=3 hfs_xattrs_reference/hdiutila.attrs output/stageda.attrs
$ diff --unified=3 hfs_xattrs_reference/hdiutilb.attrs output/stagedb.attrs
$ diff --unified=3 hfs_xattrs_reference/hdiutilab.attrs output/stagedab.attrs
$ diff --unified=3 hfs_xattrs_reference/hdiutila.attrs $OUTPUT/stageda.attrs
$ diff --unified=3 hfs_xattrs_reference/hdiutilb.attrs $OUTPUT/stagedb.attrs
$ diff --unified=3 hfs_xattrs_reference/hdiutilab.attrs $OUTPUT/stagedab.attrs

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@ -5,41 +5,43 @@ time venv/bin/cram test/attribution.t --keep-tmpdir
```
and then copy the reference directory like
```
cp -R /var/folders/3s/_m9prk6n7g5cx6hhs_33q2f80000gn/T/cramtests-0uzbp0wu/reference test/reference
cp -R /var/folders/3s/_m9prk6n7g5cx6hhs_33q2f80000gn/T/cramtests-0uzbp0wu/attribution_reference_reference test/attribution_reference
```
to update test inputs.
Make sure we have a fresh build:
$ export BUILDDIR=$TESTDIR/../build
$ export BUILDDIR=$TESTDIR/../../build
$ cd $BUILDDIR
$ make &> /dev/null
$ cd $CRAMTMP
$ export STAGEDIR=attribution_reference_stagedir
$ export REFERENCE=attribution_reference_reference
Prepare content:
$ mkdir stagedir
$ echo "content-x" >> stagedir/x
$ mkdir $STAGEDIR
$ echo "content-x" >> $STAGEDIR/x
Create reference DMGs using macOS:
$ mkdir reference
$ xattr -w 'attr-key' '__MOZILLA__attr-value-a' stagedir/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutila.hfs
created: */reference/hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-b' stagedir/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutilb.hfs
created: */reference/hdiutilb.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-p' stagedir/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutilp.hfs
created: */reference/hdiutilp.hfs.dmg (glob)
$ mkdir $REFERENCE
$ xattr -w 'attr-key' '__MOZILLA__attr-value-a' $STAGEDIR/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutila.hfs
created: */hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-b' $STAGEDIR/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutilb.hfs
created: */hdiutilb.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-p' $STAGEDIR/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutilp.hfs
created: */hdiutilp.hfs.dmg (glob)
Extract reference HFSs:
$ $BUILDDIR/dmg/dmg extract reference/hdiutila.hfs.dmg reference/hdiutila.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract reference/hdiutilb.hfs.dmg reference/hdiutilb.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract reference/hdiutilp.hfs.dmg reference/hdiutilp.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract $REFERENCE/hdiutila.hfs.dmg $REFERENCE/hdiutila.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract $REFERENCE/hdiutilb.hfs.dmg $REFERENCE/hdiutilb.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract $REFERENCE/hdiutilp.hfs.dmg $REFERENCE/hdiutilp.hfs > /dev/null
Remove the unneeded dmg:
$ rm reference/hdiutilp.hfs.dmg
$ rm $REFERENCE/hdiutilp.hfs.dmg

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@ -1,21 +1,23 @@
Prepare content:
$ cd $CRAMTMP
$ mkdir stagedir
$ echo "content-a" >> stagedir/a
$ echo "content-b" >> stagedir/b
$ export STAGEDIR=hfs_xattrs_reference_stagedir
$ export REFERENCE=hfs_xattrs_reference_reference
$ mkdir $STAGEDIR
$ echo "content-a" >> $STAGEDIR/a
$ echo "content-b" >> $STAGEDIR/b
Create reference DMGs using macOS:
$ mkdir reference
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutil.hfs
created: */reference/hdiutil.hfs.dmg (glob)
$ xattr -w 'attr-key-a' '__MOZILLA__attr-value-a' stagedir/a
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutila.hfs
created: */reference/hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key-b' '__MOZILLA__attr-value-b' stagedir/b
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutilab.hfs
created: */reference/hdiutilab.hfs.dmg (glob)
$ xattr -c stagedir/a
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutilb.hfs
created: */reference/hdiutilb.hfs.dmg (glob)
$ mkdir $REFERENCE
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutil.hfs
created: */hdiutil.hfs.dmg (glob)
$ xattr -w 'attr-key-a' '__MOZILLA__attr-value-a' $STAGEDIR/a
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutila.hfs
created: */hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key-b' '__MOZILLA__attr-value-b' $STAGEDIR/b
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutilab.hfs
created: */hdiutilab.hfs.dmg (glob)
$ xattr -c $STAGEDIR/a
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutilb.hfs
created: */hdiutilb.hfs.dmg (glob)

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@ -5,47 +5,49 @@ time venv/bin/cram test/run_spanning_reference.t --keep-tmpdir
```
and then copy the reference directory like
```
cp -R /var/folders/3s/_m9prk6n7g5cx6hhs_33q2f80000gn/T/cramtests-0uzbp0wu/reference test/run_spanning_reference
cp -R /var/folders/3s/_m9prk6n7g5cx6hhs_33q2f80000gn/T/cramtests-0uzbp0wu/run_spanning_reference_reference test/run_spanning_reference
```
to update test inputs.
Make sure we have a fresh build:
$ export BUILDDIR=$TESTDIR/../build
$ export BUILDDIR=$TESTDIR/../../build
$ mkdir -p $BUILDDIR
$ cd $BUILDDIR
$ cmake .. &>/dev/null
$ make &> /dev/null
$ cd $CRAMTMP
$ export STAGEDIR=run_spanning_reference_stagedir
$ export REFERENCE=run_spanning_reference_reference
Prepare content:
$ mkdir stagedir
$ echo "content-x" >> stagedir/x
$ for i in `cat $TESTDIR/offset-files.txt`; do xattr -w "$i" "$i" "stagedir/x"; done
$ mkdir $STAGEDIR
$ echo "content-x" >> $STAGEDIR/x
$ for i in `cat $TESTDIR/offset-files.txt`; do xattr -w "$i" "$i" "$STAGEDIR/x"; done
Create reference DMGs using macOS:
$ mkdir reference
$ xattr -w 'attr-key' '__MOZILLA__attr-value-and-a-very-long-string-with-some-padding-to-push-this-across-tworuns-EOL-a' stagedir/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutila.hfs
created: */reference/hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-and-a-very-long-string-with-some-padding-to-push-this-across-tworuns-EOL-p' stagedir/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder stagedir reference/hdiutilp.hfs
created: */reference/hdiutilp.hfs.dmg (glob)
$ mkdir $REFERENCE
$ xattr -w 'attr-key' '__MOZILLA__attr-value-and-a-very-long-string-with-some-padding-to-push-this-across-tworuns-EOL-a' $STAGEDIR/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutila.hfs
created: */hdiutila.hfs.dmg (glob)
$ xattr -w 'attr-key' '__MOZILLA__attr-value-and-a-very-long-string-with-some-padding-to-push-this-across-tworuns-EOL-p' $STAGEDIR/x
$ hdiutil create -megabytes 5 -fs HFS+ -volname myDisk -srcfolder $STAGEDIR $REFERENCE/hdiutilp.hfs
created: */hdiutilp.hfs.dmg (glob)
Extract reference HFSs:
$ $BUILDDIR/dmg/dmg extract reference/hdiutila.hfs.dmg reference/hdiutila.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract reference/hdiutilp.hfs.dmg reference/hdiutilp.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract $REFERENCE/hdiutila.hfs.dmg $REFERENCE/hdiutila.hfs > /dev/null
$ $BUILDDIR/dmg/dmg extract $REFERENCE/hdiutilp.hfs.dmg $REFERENCE/hdiutilp.hfs > /dev/null
Ensure that the reference images only differ in the expected ways. (Some sections have minor differences between them - but always in the same places.)
Ensure that the $REFERENCE images only differ in the expected ways. (Some sections have minor differences between them - but always in the same places.)
$ xxd reference/hdiutila.hfs | grep -v 000bc140: | grep -v 000bc150: > hdiutila.txt
$ xxd reference/hdiutilp.hfs | grep -v 000bc140: | grep -v 000bc150: > hdiutilp.txt
$ xxd $REFERENCE/hdiutila.hfs | grep -v 000bc140: | grep -v 000bc150: | grep -v 000bc040 > hdiutila.txt
$ xxd $REFERENCE/hdiutilp.hfs | grep -v 000bc140: | grep -v 000bc150: | grep -v 000bc040 > hdiutilp.txt
$ diff --unified=3 hdiutila.txt hdiutilp.txt
--- hdiutila.txt* (glob)
+++ hdiutilp.txt* (glob)
--- *hdiutila.txt* (glob)
+++ *hdiutilp.txt* (glob)
@@ -63,12 +63,12 @@
000003e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
000003f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
@ -73,13 +75,13 @@ Ensure that the reference images only differ in the expected ways. (Some section
@@ -48129,7 +48129,7 @@
000bc000: 0000 0000 0000 0000 ff01 0008 0000 0012 ................
000bc010: 0000 0001 0006 006d 0079 0044 0069 0073 .......m.y.D.i.s
000bc020: 006b 0001 0000 0000 0003 0000 0002 e101 .k..............
000bc020:* (glob)
-000bc030:* (glob)
+000bc030:* (glob)
000bc040: 0000 0000 01f6 0000 0014 0000 41ed 0000 ............A...
000bc050: 0000 0000 0000 0000 0000 0000 0000 0000 ................
000bc060: 0000 0000 0000 0000 0000 0000 0000 0000 ................
@@ -48140,15 +48140,15 @@
000bc070: 0005 0000 007e 0000 0000 0006 0000 0002 .....~..........
@@ -48139,15 +48139,15 @@
000bc0b0: 0069 0076 0061 0074 0065 0020 0044 0069 .i.v.a.t.e. .D.i
000bc0c0: 0072 0065 0063 0074 006f 0072 0079 0020 .r.e.c.t.o.r.y.
000bc0d0: 0044 0061 0074 0061 000d 0001 0010 0000 .D.a.t.a........
@ -98,7 +100,7 @@ Ensure that the reference images only differ in the expected ways. (Some section
000bc190: 0000 0000 0000 0000 0000 000a 0000 0000 ................
000bc1a0: 0000 0001 0000 011e 0000 0001 0000 0000 ................
000bc1b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
@@ -48163,8 +48163,8 @@
@@ -48162,8 +48162,8 @@
000bc240: 0000 0000 0048 0046 0053 002b 0020 0050 .....H.F.S.+. .P
000bc250: 0072 0069 0076 0061 0074 0065 0020 0044 .r.i.v.a.t.e. .D
000bc260: 0061 0074 0061 0001 0010 0000 0000 0000 .a.t.a..........
@ -109,7 +111,7 @@ Ensure that the reference images only differ in the expected ways. (Some section
000bc290: 4000 0000 0001 0000 0000 0000 0000 5000 @.............P.
000bc2a0: 4000 4000 0000 0000 0000 0000 0000 0000 @.@.............
000bc2b0: 0000 0000 0000 0000 0000 0000 0000 0006 ................
@@ -325053,12 +325053,12 @@
@@ -325052,12 +325052,12 @@
004f5be0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
004f5bf0: 0000 0000 0000 0000 0000 0000 0000 0000 ................
004f5c00: 482b 0004 8000 0000 3130 2e30 0000 0000 H+......10.0....
@ -128,4 +130,4 @@ Ensure that the reference images only differ in the expected ways. (Some section
Remove the unneeded dmg:
$ rm reference/hdiutilp.hfs.dmg
$ rm $REFERENCE/hdiutilp.hfs.dmg