147 lines
4.6 KiB
Python
147 lines
4.6 KiB
Python
from __future__ import print_function, division, absolute_import
|
|
from pyqtgraph import Qt
|
|
from . import utils
|
|
from collections import namedtuple
|
|
import errno
|
|
import importlib
|
|
import itertools
|
|
import pkgutil
|
|
import pytest
|
|
import os, sys
|
|
import subprocess
|
|
import time
|
|
|
|
|
|
path = os.path.abspath(os.path.dirname(__file__))
|
|
|
|
# printing on travis ci frequently leads to "interrupted system call" errors.
|
|
# as a workaround, we overwrite the built-in print function (bleh)
|
|
if os.getenv('TRAVIS') is not None:
|
|
if sys.version_info[0] < 3:
|
|
import __builtin__ as builtins
|
|
else:
|
|
import builtins
|
|
|
|
def flaky_print(*args):
|
|
"""Wrapper for print that retries in case of IOError.
|
|
"""
|
|
count = 0
|
|
while count < 5:
|
|
count += 1
|
|
try:
|
|
orig_print(*args)
|
|
break
|
|
except IOError:
|
|
if count >= 5:
|
|
raise
|
|
pass
|
|
orig_print = builtins.print
|
|
builtins.print = flaky_print
|
|
print("Installed wrapper for flaky print.")
|
|
|
|
|
|
files = sorted(set(utils.buildFileList(utils.examples)))
|
|
frontends = {Qt.PYQT4: False, Qt.PYQT5: False, Qt.PYSIDE: False, Qt.PYSIDE2: False}
|
|
# sort out which of the front ends are available
|
|
for frontend in frontends.keys():
|
|
try:
|
|
importlib.import_module(frontend)
|
|
frontends[frontend] = True
|
|
except ImportError:
|
|
pass
|
|
|
|
installedFrontends = sorted([frontend for frontend, isPresent in frontends.items() if isPresent])
|
|
|
|
exceptionCondition = namedtuple("exceptionCondition", ["condition", "reason"])
|
|
conditionalExampleTests = {
|
|
"hdf5.py": exceptionCondition(False, reason="Example requires user interaction and is not suitable for testing")
|
|
}
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"frontend, f",
|
|
[
|
|
pytest.param(
|
|
frontend,
|
|
f,
|
|
marks=pytest.mark.skipif(conditionalExampleTests[f[1]].condition is False,
|
|
reason=conditionalExampleTests[f[1]].reason) if f[1] in conditionalExampleTests.keys() else (),
|
|
)
|
|
for frontend, f, in itertools.product(installedFrontends, files)
|
|
],
|
|
ids = [" {} - {} ".format(f[1], frontend) for frontend, f in itertools.product(installedFrontends, files)]
|
|
)
|
|
def testExamples(frontend, f, graphicsSystem=None):
|
|
# runExampleFile(f[0], f[1], sys.executable, frontend)
|
|
|
|
name, file = f
|
|
global path
|
|
fn = os.path.join(path,file)
|
|
os.chdir(path)
|
|
sys.stdout.write("{} ".format(name))
|
|
sys.stdout.flush()
|
|
import1 = "import %s" % frontend if frontend != '' else ''
|
|
import2 = os.path.splitext(os.path.split(fn)[1])[0]
|
|
graphicsSystem = '' if graphicsSystem is None else "pg.QtGui.QApplication.setGraphicsSystem('%s')" % graphicsSystem
|
|
code = """
|
|
try:
|
|
%s
|
|
import initExample
|
|
import pyqtgraph as pg
|
|
%s
|
|
import %s
|
|
import sys
|
|
print("test complete")
|
|
sys.stdout.flush()
|
|
import time
|
|
while True: ## run a little event loop
|
|
pg.QtGui.QApplication.processEvents()
|
|
time.sleep(0.01)
|
|
except:
|
|
print("test failed")
|
|
raise
|
|
|
|
""" % (import1, graphicsSystem, import2)
|
|
if sys.platform.startswith('win'):
|
|
process = subprocess.Popen([sys.executable],
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
stdout=subprocess.PIPE)
|
|
else:
|
|
process = subprocess.Popen(['exec %s -i' % (sys.executable)],
|
|
shell=True,
|
|
stdin=subprocess.PIPE,
|
|
stderr=subprocess.PIPE,
|
|
stdout=subprocess.PIPE)
|
|
process.stdin.write(code.encode('UTF-8'))
|
|
process.stdin.close() ##?
|
|
output = ''
|
|
fail = False
|
|
while True:
|
|
try:
|
|
c = process.stdout.read(1).decode()
|
|
except IOError as err:
|
|
if err.errno == errno.EINTR:
|
|
# Interrupted system call; just try again.
|
|
c = ''
|
|
else:
|
|
raise
|
|
output += c
|
|
|
|
if output.endswith('test complete'):
|
|
break
|
|
if output.endswith('test failed'):
|
|
fail = True
|
|
break
|
|
time.sleep(1)
|
|
process.kill()
|
|
#res = process.communicate()
|
|
res = (process.stdout.read(), process.stderr.read())
|
|
if fail or 'exception' in res[1].decode().lower() or 'error' in res[1].decode().lower():
|
|
print(res[0].decode())
|
|
print(res[1].decode())
|
|
pytest.fail("{}\n{}\nFailed {} Example Test Located in {} ".format(res[0].decode(), res[1].decode(), name, file), pytrace=False)
|
|
|
|
if __name__ == "__main__":
|
|
pytest.cmdline.main()
|