##// END OF EJS Templates
wireprotov2: implement commands as a generator of objects...
wireprotov2: implement commands as a generator of objects Previously, wire protocol version 2 inherited version 1's model of having separate types to represent the results of different wire protocol commands. As I implemented more powerful commands in future commits, I found I was using a common pattern of returning a special type to hold a generator. This meant the command function required a closure to do most of the work. That made logic flow more difficult to follow. I also noticed that many commands were effectively a sequence of objects to be CBOR encoded. I think it makes sense to define version 2 commands as generators. This way, commands can simply emit the data structures they wish to send to the client. This eliminates the need for a closure in command functions and removes encoding from the bodies of commands. As part of this commit, the handling of response objects has been moved into the serverreactor class. This puts the reactor in the driver's seat with regards to CBOR encoding and error handling. Having error handling in the function that emits frames is particularly important because exceptions in that function can lead to things getting in a bad state: I'm fairly certain that uncaught exceptions in the frame generator were causing deadlocks. I also introduced a dedicated error type for explicit error reporting in command handlers. This will be used in subsequent commits. There's still a bit of work to be done here, especially around formalizing the error handling "protocol." I've added yet another TODO to track this so we don't forget. Test output changed because we're using generators and no longer know we are at the end of the data until we hit the end of the generator. This means we can't emit the end-of-stream flag until we've exhausted the generator. Hence the introduction of 0-sized end-of-stream frames. Differential Revision: https://phab.mercurial-scm.org/D4472

File last commit:

r37401:cb70be32 default
r39595:07b58266 default
Show More
test-journal-share.t
154 lines | 4.5 KiB | text/troff | Tads3Lexer
/ tests / test-journal-share.t
Martijn Pieters
journal: add share extension support...
r29503 Journal extension test: tests the share extension support
$ cat >> testmocks.py << EOF
Yuya Nishihara
procutil: bulk-replace function calls to point to new module
r37138 > # mock out procutil.getuser() and util.makedate() to supply testable values
Martijn Pieters
journal: add share extension support...
r29503 > import os
> from mercurial import util
Yuya Nishihara
procutil: bulk-replace function calls to point to new module
r37138 > from mercurial.utils import procutil
Martijn Pieters
journal: add share extension support...
r29503 > def mockgetuser():
Pulkit Goyal
py3: convert user value to bytes by b'' prefix...
r37401 > return b'foobar'
Martijn Pieters
journal: add share extension support...
r29503 >
> def mockmakedate():
> filename = os.path.join(os.environ['TESTTMP'], 'testtime')
> try:
> with open(filename, 'rb') as timef:
> time = float(timef.read()) + 1
> except IOError:
> time = 0.0
> with open(filename, 'wb') as timef:
> timef.write(str(time))
> return (time, 0)
>
Yuya Nishihara
procutil: bulk-replace function calls to point to new module
r37138 > procutil.getuser = mockgetuser
Martijn Pieters
journal: add share extension support...
r29503 > util.makedate = mockmakedate
> EOF
$ cat >> $HGRCPATH << EOF
> [extensions]
> journal=
> share=
> testmocks=`pwd`/testmocks.py
> [remotenames]
> rename.default=remote
> EOF
$ hg init repo
$ cd repo
$ hg bookmark bm
$ touch file0
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 $ hg commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503 adding file0
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . commit -Am file0-added
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503
A shared working copy initially receives the same bookmarks and working copy
$ cd ..
$ hg share repo shared1
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd shared1
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . share repo shared1
Martijn Pieters
journal: add share extension support...
r29503
unless you explicitly share bookmarks
$ cd ..
$ hg share --bookmarks repo shared2
updating working directory
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd shared2
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . share --bookmarks repo shared2
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503
Moving the bookmark in the original repository is only shown in the repository
that shares bookmarks
$ cd ../repo
$ touch file1
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 $ hg commit -Am file1-added
Martijn Pieters
journal: add share extension support...
r29503 adding file1
$ cd ../shared1
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . share repo shared1
Martijn Pieters
journal: add share extension support...
r29503 $ cd ../shared2
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 4f354088b094 bm commit -Am file1-added
0fd3805711f9 . share --bookmarks repo shared2
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503
But working copy changes are always 'local'
$ cd ../repo
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
(leaving bookmark bm)
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . up 0
4f354088b094 . commit -Am file1-added
4f354088b094 bm commit -Am file1-added
0fd3805711f9 . commit -Am file0-added
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503 $ cd ../shared2
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 4f354088b094 bm commit -Am file1-added
0fd3805711f9 . share --bookmarks repo shared2
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503 $ hg up tip
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg up 0
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg journal
previous locations of '.':
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 up 0
4f354088b094 up tip
0fd3805711f9 share --bookmarks repo shared2
Martijn Pieters
journal: add share extension support...
r29503
Unsharing works as expected; the journal remains consistent
$ cd ../shared1
$ hg unshare
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . share repo shared1
Martijn Pieters
journal: add share extension support...
r29503 $ cd ../shared2
$ hg unshare
$ hg journal --all
previous locations of the working copy and bookmarks:
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 0fd3805711f9 . up 0
4f354088b094 . up tip
4f354088b094 bm commit -Am file1-added
0fd3805711f9 . share --bookmarks repo shared2
0fd3805711f9 bm commit -Am file0-added
Martijn Pieters
journal: add share extension support...
r29503
New journal entries in the source repo no longer show up in the other working copies
$ cd ../repo
$ hg bookmark newbm -r tip
$ hg journal newbm
previous locations of 'newbm':
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 4f354088b094 bookmark newbm -r tip
Martijn Pieters
journal: add share extension support...
r29503 $ cd ../shared2
$ hg journal newbm
previous locations of 'newbm':
no recorded locations
This applies for both directions
$ hg bookmark shared2bm -r tip
$ hg journal shared2bm
previous locations of 'shared2bm':
FUJIWARA Katsunori
tests: avoid quoting of commit messages for test portability...
r30238 4f354088b094 bookmark shared2bm -r tip
Martijn Pieters
journal: add share extension support...
r29503 $ cd ../repo
$ hg journal shared2bm
previous locations of 'shared2bm':
no recorded locations