rust-cpython: prepare for writing tests that require libpython
What I wanted is to disable the "cpython/extension-module<ver>" feature
while building tests executable, but that seems not doable. Instead,
this patch adds new features dedicated for tests.
The make rule is extracted so that we can easily run cargo tests.
Added a minimal test of ref-sharing as an example. More tests will follow.
#require no-windows
$ . "$TESTDIR/remotefilelog-library.sh"
generaldelta to generaldelta interactions with bundle2 but legacy clients
without changegroup2 support
$ cat > testcg2.py << EOF
> import sys
> from mercurial import changegroup, registrar, util
> cmdtable = {}
> command = registrar.command(cmdtable)
> @command('testcg2', norepo=True)
> def testcg2(ui):
> if not util.safehasattr(changegroup, 'cg2packer'):
> sys.exit(80)
> EOF
$ cat >> $HGRCPATH << EOF
> [extensions]
> testcg2 = $TESTTMP/testcg2.py
> EOF
$ hg testcg2 || exit 80
$ cat > disablecg2.py << EOF
> from mercurial import changegroup, error, util
> deleted = False
> def reposetup(ui, repo):
> global deleted
> if deleted:
> return
> packermap = changegroup._packermap
> # protect against future changes
> if len(packermap) != 3:
> raise error.Abort('packermap has %d versions, expected 3!' % len(packermap))
> for k in ['01', '02', '03']:
> if not packermap.get(k):
> raise error.Abort("packermap doesn't have key '%s'!" % k)
>
> del packermap['02']
> deleted = True
> EOF
$ hg init master
$ grep generaldelta master/.hg/requires
generaldelta
$ cd master
preferuncompressed = False so that we can make both generaldelta and non-generaldelta clones
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> server=True
> [experimental]
> bundle2-exp = True
> [server]
> preferuncompressed = False
> EOF
$ echo x > x
$ hg commit -qAm x
$ cd ..
$ hgcloneshallow ssh://user@dummy/master shallow -q --pull --config experimental.bundle2-exp=True
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cd shallow
$ cat >> .hg/hgrc << EOF
> [extensions]
> disablecg2 = $TESTTMP/disablecg2.py
> EOF
$ cd ../master
$ echo y > y
$ hg commit -qAm y
$ cd ../shallow
$ hg pull -u
pulling from ssh://user@dummy/master
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets d34c38483be9
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ echo a > a
$ hg commit -qAm a
$ hg push
pushing to ssh://user@dummy/master
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files