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#!/usr/bin/env python
#
# Public Domain 2014-2019 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, re, subprocess, sys
from run import wt_builddir
from wttest import WiredTigerTestCase
# 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)
# If the string is of the form '/.../', then return just the embedded
# pattern, otherwise, return None
def convert_to_pattern(self, s):
if len(s) >= 2 and s[0] == '/' and s[-1] == '/':
return s[1:-1]
else:
return None
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_one_of(self, filename, expectlist):
"""
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)
found = False
for expect in expectlist:
pat = self.convert_to_pattern(expect)
if pat == None:
if expect in got:
found = True
break
else:
if re.search(pat, got):
found = True
break
if not found:
if len(expectlist) == 1:
expect = '\'' + expectlist[0] + '\''
else:
expect = str(expectlist)
gotstr = '\'' + \
(got if len(got) < 1000 else (got[0:1000] + '...')) + '\''
if len(got) >= maxbytes:
self.fail(filename + ': does not contain expected ' + expect + ', or output is too large, got ' + gotstr)
else:
self.fail(filename + ': does not contain expected ' + expect + ', got ' + gotstr)
def check_file_contains(self, filename, expect):
self.check_file_contains_one_of(filename, [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 verbose_env(self, envvar):
return envvar + '=' + str(os.environ.get(envvar)) + '\n'
def show_outputs(self, procargs, message, filenames):
out = 'ERROR: wt command ' + message + ': ' + str(procargs) + '\n' + \
self.verbose_env('PATH') + \
self.verbose_env('LD_LIBRARY_PATH') + \
self.verbose_env('DYLD_LIBRARY_PATH') + \
self.verbose_env('PYTHONPATH') + \
'output files follow:'
WiredTigerTestCase.prout(out)
for filename in filenames:
maxbytes = 1024*100
with open(filename, 'r') as f:
contents = f.read(maxbytes)
if len(contents) > 0:
if len(contents) >= maxbytes:
contents += '...\n'
sepline = '*' * 50 + '\n'
out = sepline + filename + '\n' + sepline + contents
WiredTigerTestCase.prout(out)
# Run the wt utility.
def runWt(self, args, infilename=None,
outfilename=None, errfilename=None, closeconn=True,
reopensession=True, failure=False):
# Close the connection to guarantee everything is flushed, and that
# we can open it from another process.
if closeconn:
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:
# Prefer running the actual 'wt' binary rather than the
# 'wt' script created by libtool. On OS/X with System Integrity
# Protection enabled, running a shell script strips
# environment variables needed to run 'wt'. There are
# also test environments that work better with the binary.
libs_wt = os.path.join(wt_builddir, ".libs", "wt")
if os.path.isfile(libs_wt):
wtexe = libs_wt
else:
wtexe = os.path.join(wt_builddir, "wt")
procargs = [ wtexe ]
if self._gdbSubprocess:
procargs = [ "gdb", "--args" ] + procargs
elif self._lldbSubprocess:
procargs = [ "lldb", "--" ] + 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 "*********************************************"
returncode = subprocess.call(procargs)
elif self._lldbSubprocess:
infilepart = ""
if infilename != None:
infilepart = "<" + infilename + " "
print str(procargs)
print "*********************************************"
print "**** Run 'wt' via: run " + \
" ".join(procargs[3:]) + infilepart + \
">" + wtoutname + " 2>" + wterrname
print "*********************************************"
returncode = subprocess.call(procargs)
elif infilename:
with open(infilename, "r") as wtin:
returncode = subprocess.call(
procargs, stdin=wtin, stdout=wtout, stderr=wterr)
else:
returncode = subprocess.call(
procargs, stdout=wtout, stderr=wterr)
if failure:
if returncode == 0:
self.show_outputs(procargs, "expected failure, got success",
[wtoutname, wterrname])
self.assertNotEqual(returncode, 0,
'expected failure: "' + \
str(procargs) + '": exited ' + str(returncode))
else:
if returncode != 0:
self.show_outputs(procargs, "expected success, got failure",
[wtoutname, wterrname])
self.assertEqual(returncode, 0,
'expected success: "' + \
str(procargs) + '": exited ' + str(returncode))
if errfilename == None:
self.check_empty_file(wterrname)
if outfilename == None:
self.check_empty_file(wtoutname)
# Reestablish the connection if needed
if reopensession and closeconn:
self.open_conn()
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