tests/test-dispatch.py

tests: treat `select` as a built-in module on Windows

This fixes:

    --- C:/Users/Matt/hg/tests/test-check-module-imports.t
    +++ C:/Users/Matt/hg/tests/test-check-module-imports.t.err
    @@ -43,3 +43,15 @@
       > -X tests/test-verify-repo-operations.py \
       > -X tests/test-extension.t \
       > | sed 's-\\-/-g' | "$PYTHON" "$import_checker" -
    +  hgext/zeroconf/Zeroconf.py:86: stdlib import "socket" follows local import: select\r (esc)
    +  hgext/zeroconf/Zeroconf.py:87: stdlib import "struct" follows local import: select\r (esc)
    +  hgext/zeroconf/Zeroconf.py:88: stdlib import "threading" follows local import: select\r (esc)
    +  hgext/zeroconf/Zeroconf.py:89: stdlib import "time" follows local import: select\r (esc)
    +  hgext/zeroconf/Zeroconf.py:90: stdlib import "traceback" follows local import: select\r (esc)
    +  mercurial/posix.py:18: stdlib import "stat" follows local import: select\r (esc)
    +  mercurial/posix.py:19: stdlib import "sys" follows local import: select\r (esc)
    +  mercurial/posix.py:20: stdlib import "tempfile" follows local import: select\r (esc)
    +  mercurial/posix.py:21: stdlib import "typing" follows local import: select\r (esc)
    +  tests/tinyproxy.py:19: stdlib import "socket" follows local import: select\r (esc)
    +  tests/tinyproxy.py:20: stdlib import "sys" follows local import: select\r (esc)
    +  [1]

    ERROR: test-check-module-imports.t output changed

import os
import sys
from mercurial import dispatch


def printb(data, end=b'\n'):
    out = getattr(sys.stdout, 'buffer', sys.stdout)
    out.write(data + end)
    out.flush()


def testdispatch(cmd):
    """Simple wrapper around dispatch.dispatch()

    Prints command and result value, but does not handle quoting.
    """
    printb(b"running: %s" % (cmd,))
    req = dispatch.request(cmd.split())
    result = dispatch.dispatch(req)
    printb(b"result: %r" % (result,))


testdispatch(b"init test1")
os.chdir('test1')

# create file 'foo', add and commit
f = open('foo', 'wb')
f.write(b'foo\n')
f.close()
testdispatch(b"add foo")
testdispatch(b"commit -m commit1 -d 2000-01-01 foo")

# append to file 'foo' and commit
f = open('foo', 'ab')
f.write(b'bar\n')
f.close()
testdispatch(b"commit -m commit2 -d 2000-01-02 foo")

# check 88803a69b24 (fancyopts modified command table)
testdispatch(b"log -r 0")
testdispatch(b"log -r tip")