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WSJT-X/boost/tools/build/test/configuration.py

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#!/usr/bin/python
# Copyright 2008, 2012 Jurko Gospodnetic
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
# Test Boost Build configuration file handling.
import BoostBuild
import os
import os.path
import re
###############################################################################
#
# test_user_configuration()
# -------------------------
#
###############################################################################
def test_user_configuration():
"""
Test Boost Build user configuration handling. Both relative and absolute
path handling is tested.
"""
implicitConfigLoadMessage = \
"notice: Loading user-config configuration file: *"
explicitConfigLoadMessage = \
"notice: Loading explicitly specified user configuration file:"
disabledConfigLoadMessage = \
"notice: User configuration file loading explicitly disabled."
testMessage = "_!_!_!_!_!_!_!_!_ %s _!_!_!_!_!_!_!_!_"
toolsetName = "__myDummyToolset__"
subdirName = "ASubDirectory"
configFileNames = ["ups_lala_1.jam", "ups_lala_2.jam",
os.path.join(subdirName, "ups_lala_3.jam")]
t = BoostBuild.Tester(["toolset=%s" % toolsetName,
"--debug-configuration"], pass_toolset=False, use_test_config=False)
for configFileName in configFileNames:
message = "ECHO \"%s\" ;" % testMessage % configFileName
# We need to double any backslashes in the message or Jam will
# interpret them as escape characters.
t.write(configFileName, message.replace("\\", "\\\\"))
# Prepare a dummy toolset so we do not get errors in case the default one
# is not found.
t.write(toolsetName + ".jam", """\
import feature ;
feature.extend toolset : %s ;
rule init ( ) { }
""" % toolsetName)
# Python version of the same dummy toolset.
t.write(toolsetName + ".py", """\
from b2.build import feature
feature.extend('toolset', ['%s'])
def init(): pass
""" % toolsetName)
t.write("jamroot.jam", """\
local test-index = [ MATCH ---test-id---=(.*) : [ modules.peek : ARGV ] ] ;
ECHO test-index: $(test-index:E=(unknown)) ;
""")
class LocalTester:
def __init__(self, tester):
self.__tester = tester
self.__test_ids = []
def __assertionFailure(self, message):
BoostBuild.annotation("failure", "Internal test assertion failure "
"- %s" % message)
self.__tester.fail_test(1)
def __call__(self, test_id, env, extra_args=None, *args, **kwargs):
if env == "" and not canSetEmptyEnvironmentVariable:
self.__assertionFailure("Can not set empty environment "
"variables on this platform.")
self.__registerTestId(str(test_id))
if extra_args is None:
extra_args = []
extra_args.append("---test-id---=%s" % test_id)
env_name = "BOOST_BUILD_USER_CONFIG"
previous_env = os.environ.get(env_name)
_env_set(env_name, env)
try:
self.__tester.run_build_system(extra_args, *args, **kwargs)
finally:
_env_set(env_name, previous_env)
def __registerTestId(self, test_id):
if test_id in self.__test_ids:
self.__assertionFailure("Multiple test cases encountered "
"using the same test id '%s'." % test_id)
self.__test_ids.append(test_id)
test = LocalTester(t)
test(1, None)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(2, None, ["--user-config="])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(3, None, ['--user-config=""'])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(4, None, ['--user-config="%s"' % configFileNames[0]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0])
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(5, None, ['--user-config="%s"' % configFileNames[2]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2])
test(6, None, ['--user-config="%s"' % os.path.abspath(configFileNames[1])])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1])
t.expect_output_lines(testMessage % configFileNames[2], False)
test(7, None, ['--user-config="%s"' % os.path.abspath(configFileNames[2])])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2])
if canSetEmptyEnvironmentVariable:
test(8, "")
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage, True)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(9, '""')
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(10, configFileNames[1])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1])
t.expect_output_lines(testMessage % configFileNames[2], False)
test(11, configFileNames[1], ['--user-config=""'])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage, False)
t.expect_output_lines(disabledConfigLoadMessage)
t.expect_output_lines(testMessage % configFileNames[0], False)
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(12, configFileNames[1], ['--user-config="%s"' % configFileNames[0]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0])
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
if canSetEmptyEnvironmentVariable:
test(13, "", ['--user-config="%s"' % configFileNames[0]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0])
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(14, '""', ['--user-config="%s"' % configFileNames[0]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0])
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
test(15, "invalid", ['--user-config="%s"' % configFileNames[0]])
t.expect_output_lines(implicitConfigLoadMessage, False)
t.expect_output_lines(explicitConfigLoadMessage)
t.expect_output_lines(disabledConfigLoadMessage, False)
t.expect_output_lines(testMessage % configFileNames[0])
t.expect_output_lines(testMessage % configFileNames[1], False)
t.expect_output_lines(testMessage % configFileNames[2], False)
t.cleanup()
###############################################################################
#
# Private interface.
#
###############################################################################
def _canSetEmptyEnvironmentVariable():
"""
Unfortunately different OSs (and possibly Python implementations as well)
have different interpretations of what it means to set an evironment
variable to an empty string. Some (e.g. Windows) interpret it as unsetting
the variable and some (e.g. AIX or Darwin) actually set it to an empty
string.
"""
dummyName = "UGNABUNGA_FOO_BAR_BAZ_FEE_FAE_FOU_FAM"
original = os.environ.get(dummyName)
_env_set(dummyName, "")
result = _getExternalEnv(dummyName) == ""
_env_set(dummyName, original)
return result
def _env_del(name):
"""
Unsets the given environment variable if it is currently set.
Note that we can not use os.environ.pop() or os.environ.clear() here
since prior to Python 2.6 these functions did not remove the actual
environment variable by calling os.unsetenv().
"""
try:
del os.environ[name]
except KeyError:
pass
def _env_set(name, value):
"""
Sets the given environment variable value or unsets it, if the value is
None.
"""
if value is None:
_env_del(name)
else:
os.environ[name] = value
def _getExternalEnv(name):
toolsetName = "__myDummyToolset__"
t = BoostBuild.Tester(["toolset=%s" % toolsetName], pass_toolset=False,
use_test_config=False)
try:
# Prepare a dummy toolset so we do not get errors in case the default
# one is not found.
t.write(toolsetName + ".jam", """\
import feature ;
feature.extend toolset : %s ;
rule init ( ) { }
""" % toolsetName)
# Python version of the same dummy toolset.
t.write(toolsetName + ".py", """\
from b2.build import feature
feature.extend('toolset', ['%s'])
def init(): pass
""" % toolsetName)
t.write("jamroot.jam", """\
import os ;
local names = [ MATCH ^---var-name---=(.*) : [ modules.peek : ARGV ] ] ;
for x in $(names)
{
value = [ os.environ $(x) ] ;
ECHO "###" $(x): '$(value)' "###" ;
}
""")
t.run_build_system(["---var-name---=%s" % name])
m = re.search("^### %s: '(.*)' ###$" % name, t.stdout(), re.MULTILINE)
if m:
return m.group(1)
finally:
t.cleanup()
###############################################################################
#
# main()
# ------
#
###############################################################################
canSetEmptyEnvironmentVariable = _canSetEmptyEnvironmentVariable()
test_user_configuration()
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