pyqtgraph/examples/test_examples.py

257 lines
8.7 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import print_function, division, absolute_import
from collections import namedtuple
from pyqtgraph import Qt
from pyqtgraph.python2_3 import basestring
from .ExampleApp import examples
import errno
import importlib
import itertools
import pytest
import os, sys
import platform
import subprocess
import time
if __name__ == "__main__" and (__package__ is None or __package__==''):
parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, parent_dir)
import examples
__package__ = "examples"
def buildFileList(examples, files=None):
if files is None:
files = [("Example App", "test_ExampleApp.py")]
for key, val in examples.items():
if isinstance(val, basestring):
files.append((key,val))
else:
buildFileList(val, files)
return files
path = os.path.abspath(os.path.dirname(__file__))
files = sorted(set(buildFileList(examples)))
frontends = {
Qt.PYQT5: False,
Qt.PYQT6: False,
Qt.PYSIDE2: False,
Qt.PYSIDE6: 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"])
conditionalExamples = {
"test_ExampleApp.py": exceptionCondition(
not(platform.system() == "Linux" and frontends[Qt.PYSIDE2]),
reason="Unexplained, intermittent segfault and subsequent timeout on CI"
),
"hdf5.py": exceptionCondition(
False,
reason="Example requires user interaction"
),
"RemoteSpeedTest.py": exceptionCondition(
False,
reason="Test is being problematic on CI machines"
),
'GLVolumeItem.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLIsosurface.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLSurfacePlot.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLScatterPlotItem.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLshaders.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLLinePlotItem.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLMeshItem.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
),
'GLImageItem.py': exceptionCondition(
not(platform.system() == "Darwin" and
tuple(map(int, platform.mac_ver()[0].split("."))) >= (10, 16) and
(sys.version_info <= (3, 8, 7) or
(sys.version_info >= (3, 9) and sys.version_info < (3, 9, 1)))),
reason=(
"pyopenGL cannot find openGL libray on big sur: "
"https://github.com/python/cpython/pull/21241"
)
)
}
@pytest.mark.skipif(
Qt.QT_LIB == "PySide2"
and tuple(map(int, Qt.PySide2.__version__.split("."))) >= (5, 14)
and tuple(map(int, Qt.PySide2.__version__.split("."))) < (5, 14, 2, 2),
reason="new PySide2 doesn't have loadUi functionality"
)
@pytest.mark.parametrize(
"frontend, f",
[
pytest.param(
frontend,
f,
marks=pytest.mark.skipif(
conditionalExamples[f[1]].condition is False,
reason=conditionalExamples[f[1]].reason
) if f[1] in conditionalExamples.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()