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#!/usr/bin/env python
#
# Public Domain 2014-2016 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
import os, subprocess
from run import wt_builddir
# suite_subprocess.py
# Run a subprocess within the test suite
# Used as a 'mixin' class along with a WiredTigerTestCase class
class suite_subprocess:
subproc = None
def has_error_in_file(self, filename):
"""
Return whether the file contains 'ERROR'.
WT utilities issue a 'WT_ERROR' output string upon error.
"""
with open(filename, 'r') as f:
for line in f:
if 'ERROR' in line:
return True
return False
def check_no_error_in_file(self, filename, match='ERROR'):
"""
Raise an error and show output context if the file contains 'ERROR'.
WT utilities issue a 'WT_ERROR' output string upon error.
"""
lines = []
hasError = False
hasPrevious = False # do we need to prefix an ellipsis?
hasNext = False # do we need to suffix an ellipsis?
with open(filename, 'r') as f:
for line in f:
lines.append(line)
hasError = hasError or match in line
if hasError:
if len(lines) > 10:
hasNext = True
break
else:
if len(lines) > 5:
lines.pop(0)
hasPrevious = True
if hasError:
print '**************** ' + match + ' in output file: ' + filename + ' ****************'
if hasPrevious:
print '...'
for line in lines:
print line,
if hasNext:
print '...'
print '********************************'
self.fail('ERROR found in output file: ' + filename)
def check_file_content(self, filename, expect):
with open(filename, 'r') as f:
got = f.read(len(expect) + 100)
self.assertEqual(got, expect, filename + ': does not contain expected:\n\'' + expect + '\', but contains:\n\'' + got + '\'.')
def check_file_contains(self, filename, expect):
"""
Check that the file contains the expected string in the first 100K bytes
"""
maxbytes = 1024*100
with open(filename, 'r') as f:
got = f.read(maxbytes)
if not (expect in got):
if len(got) >= maxbytes:
self.fail(filename + ': does not contain expected \'' + expect + '\', or output is too large')
else:
self.fail(filename + ': does not contain expected \'' + expect + '\'')
def check_empty_file(self, filename):
"""
Raise an error if the file is not empty
"""
filesize = os.path.getsize(filename)
if filesize > 0:
with open(filename, 'r') as f:
contents = f.read(1000)
print 'ERROR: ' + filename + ' expected to be empty, but contains:\n'
print contents + '...\n'
self.assertEqual(filesize, 0, filename + ': expected to be empty')
def check_non_empty_file(self, filename):
"""
Raise an error if the file is empty
"""
filesize = os.path.getsize(filename)
if filesize == 0:
print 'ERROR: ' + filename + ' should not be empty (this command expected error output)'
self.assertNotEqual(filesize, 0, filename + ': expected to not be empty')
def runWt(self, args, infilename=None, outfilename=None, errfilename=None, reopensession=True):
"""
Run the 'wt' process
"""
# we close the connection to guarantee everything is
# flushed, and that we can open it from another process
self.close_conn()
wtoutname = outfilename or "wt.out"
wterrname = errfilename or "wt.err"
with open(wterrname, "w") as wterr:
with open(wtoutname, "w") as wtout:
procargs = [os.path.join(wt_builddir, "wt")]
if self._gdbSubprocess:
procargs = [os.path.join(wt_builddir, "libtool"),
"--mode=execute", "gdb", "--args"] + procargs
procargs.extend(args)
if self._gdbSubprocess:
infilepart = ""
if infilename != None:
infilepart = "<" + infilename + " "
print str(procargs)
print "*********************************************"
print "**** Run 'wt' via: run " + " ".join(procargs[3:]) + infilepart + ">" + wtoutname + " 2>" + wterrname
print "*********************************************"
subprocess.call(procargs)
elif infilename:
with open(infilename, "r") as wtin:
subprocess.call(procargs, stdin=wtin, stdout=wtout, stderr=wterr)
else:
subprocess.call(procargs, stdout=wtout, stderr=wterr)
if errfilename == None:
self.check_empty_file(wterrname)
if outfilename == None:
self.check_empty_file(wtoutname)
# Reestablish the connection if needed
if reopensession:
self.open_conn()
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