upstream/mercurial-mirror Files · tests/test-revlog-mmapindex.t

httppeer: always add x-hg* headers to Vary header...

httppeer: always add x-hg* headers to Vary header Before, we manually updated the Vary header value for each header contributing to it. All X-Hg* headers are reserved for the Mercurial protocol and could have caching implications. So it makes sense to always add these headers to Vary. A test revealed that X-HgArgs-Post wasn't being added to Vary. This is only sent on POST requests. POST requests generally aren't cacheable. However, it is possible if the server sends the appropriate headers. Mercurial shouldn't be sending those headers. But let's not take any chances. Differential Revision: https://phab.mercurial-scm.org/D3240

Jun Wu - - Load All Authors

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             test-revlog-mmapindex.t
        
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      create verbosemmap.py

        $ cat << EOF > verbosemmap.py

        > # extension to make util.mmapread verbose

        > 

        > from __future__ import absolute_import

        > 

        > from mercurial import (

        >     extensions,

        >     pycompat,

        >     util,

        > )

        > 

        > def extsetup(ui):

        >     def mmapread(orig, fp):

        >         ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name))

        >         ui.flush()

        >         return orig(fp)

        > 

        >     extensions.wrapfunction(util, 'mmapread', mmapread)

        > EOF

      setting up base repo

        $ hg init a

        $ cd a

        $ touch a

        $ hg add a

        $ hg commit -qm base

        $ for i in `$TESTDIR/seq.py 1 100` ; do

        > echo $i > a

        > hg commit -qm $i

        > done

      set up verbosemmap extension

        $ cat << EOF >> $HGRCPATH

        > [extensions]

        > verbosemmap=$TESTTMP/verbosemmap.py

        > EOF

      mmap index which is now more than 4k long

        $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k

        mmapping $TESTTMP/a/.hg/store/00changelog.i

        100

        99

        98

        97

        96

      do not mmap index which is still less than 32k

        $ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k

        100

        99

        98

        97

        96

        $ cd ..

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				create verbosemmap.py
				$ cat << EOF > verbosemmap.py
				> # extension to make util.mmapread verbose
				>
				> from __future__ import absolute_import
				>
				> from mercurial import (
				> extensions,
				> pycompat,
				> util,
				> )
				>
				> def extsetup(ui):
				> def mmapread(orig, fp):
				> ui.write(b"mmapping %s\n" % pycompat.bytestr(fp.name))
				> ui.flush()
				> return orig(fp)
				>
				> extensions.wrapfunction(util, 'mmapread', mmapread)
				> EOF

				setting up base repo
				$ hg init a
				$ cd a
				$ touch a
				$ hg add a
				$ hg commit -qm base
				$ for i in `$TESTDIR/seq.py 1 100` ; do
				> echo $i > a
				> hg commit -qm $i
				> done

				set up verbosemmap extension
				$ cat << EOF >> $HGRCPATH
				> [extensions]
				> verbosemmap=$TESTTMP/verbosemmap.py
				> EOF

				mmap index which is now more than 4k long
				$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=4k
				mmapping $TESTTMP/a/.hg/store/00changelog.i
				100
				99
				98
				97
				96

				do not mmap index which is still less than 32k
				$ hg log -l 5 -T '{rev}\n' --config experimental.mmapindexthreshold=32k
				100
				99
				98
				97
				96

				$ cd ..