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import sys, os, struct, subprocess, cStringIO, re, shutil
def connect(path=None):
cmdline = ['hg', 'serve', '--cmdserver', 'pipe']
if path:
cmdline += ['-R', path]
server = subprocess.Popen(cmdline, stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
return server
def writeblock(server, data):
server.stdin.write(struct.pack('>I', len(data)))
server.stdin.write(data)
server.stdin.flush()
def readchannel(server):
data = server.stdout.read(5)
if not data:
raise EOFError()
channel, length = struct.unpack('>cI', data)
if channel in 'IL':
return channel, length
else:
return channel, server.stdout.read(length)
def runcommand(server, args, output=sys.stdout, error=sys.stderr, input=None):
server.stdin.write('runcommand\n')
writeblock(server, '\0'.join(args))
if not input:
input = cStringIO.StringIO()
while True:
ch, data = readchannel(server)
if ch == 'o':
output.write(data)
output.flush()
elif ch == 'e':
error.write(data)
error.flush()
elif ch == 'I':
writeblock(server, input.read(data))
elif ch == 'L':
writeblock(server, input.readline(data))
elif ch == 'r':
return struct.unpack('>i', data)[0]
else:
print "unexpected channel %c: %r" % (ch, data)
if ch.isupper():
return
def check(func, repopath=None):
server = connect(repopath)
try:
return func(server)
finally:
server.stdin.close()
server.wait()
def unknowncommand(server):
server.stdin.write('unknowncommand\n')
def hellomessage(server):
ch, data = readchannel(server)
# escaping python tests output not supported
print '%c, %r' % (ch, re.sub('encoding: [a-zA-Z0-9-]+', 'encoding: ***', data))
# run an arbitrary command to make sure the next thing the server sends
# isn't part of the hello message
runcommand(server, ['id'])
def checkruncommand(server):
# hello block
readchannel(server)
# no args
runcommand(server, [])
# global options
runcommand(server, ['id', '--quiet'])
# make sure global options don't stick through requests
runcommand(server, ['id'])
# --config
runcommand(server, ['id', '--config', 'ui.quiet=True'])
# make sure --config doesn't stick
runcommand(server, ['id'])
def inputeof(server):
readchannel(server)
server.stdin.write('runcommand\n')
# close stdin while server is waiting for input
server.stdin.close()
# server exits with 1 if the pipe closed while reading the command
print 'server exit code =', server.wait()
def serverinput(server):
readchannel(server)
patch = """
# HG changeset patch
# User test
# Date 0 0
# Node ID c103a3dec114d882c98382d684d8af798d09d857
# Parent 0000000000000000000000000000000000000000
1
diff -r 000000000000 -r c103a3dec114 a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+1
"""
runcommand(server, ['import', '-'], input=cStringIO.StringIO(patch))
runcommand(server, ['log'])
def cwd(server):
""" check that --cwd doesn't persist between requests """
readchannel(server)
os.mkdir('foo')
f = open('foo/bar', 'w')
f.write('a')
f.close()
runcommand(server, ['--cwd', 'foo', 'st', 'bar'])
runcommand(server, ['st', 'foo/bar'])
os.remove('foo/bar')
def localhgrc(server):
""" check that local configs for the cached repo aren't inherited when -R
is used """
readchannel(server)
# the cached repo local hgrc contains ui.foo=bar, so showconfig should show it
runcommand(server, ['showconfig'])
# but not for this repo
runcommand(server, ['init', 'foo'])
runcommand(server, ['-R', 'foo', 'showconfig'])
shutil.rmtree('foo')
def hook(**args):
print 'hook talking'
print 'now try to read something: %r' % sys.stdin.read()
def hookoutput(server):
readchannel(server)
runcommand(server, ['--config',
'hooks.pre-identify=python:test-commandserver.hook', 'id'],
input=cStringIO.StringIO('some input'))
if __name__ == '__main__':
os.system('hg init')
check(hellomessage)
check(unknowncommand)
check(checkruncommand)
check(inputeof)
check(serverinput)
check(cwd)
hgrc = open('.hg/hgrc', 'a')
hgrc.write('[ui]\nfoo=bar\n')
hgrc.close()
check(localhgrc)
check(hookoutput)
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