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scripts/oe-selftest: Use site.USER_SITE to run coverage configuration code for sub-process 

Coverage in oe-selftest currently requires to create or modify
a sitecustomize.py file according the coverage tool setup instructions
(http://coverage.readthedocs.org/). This file has to be located in
the system's python folder, which is not a good solution since this
folder is not accesible to non-privileged users.

The best solution so far is to create this file in the home directory.
This is implemented by creating the temporal file in the user site
default folder.

[Yocto #8930]

(From OE-Core rev: 3f9b1658d745b536eff1017b2c74a9dff46b6f4a)

Signed-off-by: Humberto Ibarra <humberto.ibarra.lopez@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Humberto Ibarra 2016-02-19 15:29:32 -06:00 committed by Richard Purdie
parent 1c6c76e1df
commit 3f7aa6fc5d
1 changed files with 34 additions and 12 deletions
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46
scripts/oe-selftest
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@ -553,6 +553,7 @@ def main():
def buildResultClass(args):
"""Build a Result Class to use in the testcase execution"""
import site
class StampedResult(unittest.TextTestResult):
"""
@ -568,26 +569,41 @@ def buildResultClass(args):
def startTestRun(self):
""" Setup coverage before running any testcase """
# variable holding the coverage configuration file allowing subprocess to be measured
self.coveragepth = None
# indicates the system if coverage is currently installed
self.coverage_installed = True
if args.coverage or args.coverage_source or args.coverage_include or args.coverage_omit:
try:
# check if user can do coverage
import coverage
log.info("Coverage is enabled")
# In case the user has not set the variable COVERAGE_PROCESS_START,
# create a default one and export it. The COVERAGE_PROCESS_START
# value indicates where the coverage configuration file resides
# More info on https://pypi.python.org/pypi/coverage
if not os.environ.get('COVERAGE_PROCESS_START'):
os.environ['COVERAGE_PROCESS_START'] = coverage_setup(args.run_tests, args.run_all_tests, args.coverage_source, args.coverage_include, args.coverage_omit)
self.coverage_installed = True
except:
log.warn('\n'.join(["python coverage is not installed",
"Make sure your coverage takes into account sub-process",
"More info on https://pypi.python.org/pypi/coverage"]))
self.coverage_installed = False
if self.coverage_installed:
log.info("Coverage is enabled")
# In case the user has not set the variable COVERAGE_PROCESS_START,
# create a default one and export it. The COVERAGE_PROCESS_START
# value indicates where the coverage configuration file resides
# More info on https://pypi.python.org/pypi/coverage
if not os.environ.get('COVERAGE_PROCESS_START'):
os.environ['COVERAGE_PROCESS_START'] = coverage_setup(args.run_tests, args.run_all_tests, args.coverage_source, args.coverage_include, args.coverage_omit)
# Use default site.USER_SITE and write corresponding config file
site.ENABLE_USER_SITE = True
if not os.path.exists(site.USER_SITE):
os.makedirs(site.USER_SITE)
self.coveragepth = os.path.join(site.USER_SITE, "coverage.pth")
with open(self.coveragepth, 'w') as cps:
cps.write('import sys,site; sys.path.extend(site.getsitepackages()); import coverage; coverage.process_startup();')
def stopTestRun(self):
""" Report coverage data after the testcases are run """
@ -599,8 +615,14 @@ def buildResultClass(args):
log.info("Coverage Report")
log.info("===============")
coverage_report()
try:
coverage_report()
# remove the pth file
finally:
try:
os.remove(self.coveragepth)
except OSError:
log.warn("Expected temporal file from coverage is missing, ignoring removal.")
return StampedResult