156 lines
6.9 KiB
Python
156 lines
6.9 KiB
Python
from __future__ import print_function, division, absolute_import
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from pyqtgraph import Qt
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from . import utils
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from collections import namedtuple
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import errno
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import importlib
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import itertools
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import pkgutil
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import pytest
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import os, sys
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import subprocess
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import time
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path = os.path.abspath(os.path.dirname(__file__))
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# printing on travis ci frequently leads to "interrupted system call" errors.
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# as a workaround, we overwrite the built-in print function (bleh)
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if os.getenv('TRAVIS') is not None:
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if sys.version_info[0] < 3:
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import __builtin__ as builtins
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else:
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import builtins
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def flaky_print(*args):
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"""Wrapper for print that retries in case of IOError.
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"""
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count = 0
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while count < 5:
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count += 1
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try:
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orig_print(*args)
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break
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except IOError:
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if count >= 5:
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raise
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pass
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orig_print = builtins.print
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builtins.print = flaky_print
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print("Installed wrapper for flaky print.")
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files = sorted(set(utils.buildFileList(utils.examples)))
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frontends = {Qt.PYQT4: False, Qt.PYQT5: False, Qt.PYSIDE: False, Qt.PYSIDE2: False}
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# sort out which of the front ends are available
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for frontend in frontends.keys():
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try:
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importlib.import_module(frontend)
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frontends[frontend] = True
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except ImportError:
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pass
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installedFrontends = sorted([frontend for frontend, isPresent in frontends.items() if isPresent])
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exceptionCondition = namedtuple("exceptionCondition", ["condition", "reason"])
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conditionalExampleTests = {
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"hdf5.py": exceptionCondition(False, reason="Example requires user interaction and is not suitable for testing"),
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"RemoteSpeedTest.py": exceptionCondition(False, reason="Test is being problematic on CI machines"),
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"optics_demos.py": exceptionCondition(not frontends[Qt.PYSIDE], reason="Test fails due to PySide bug: https://bugreports.qt.io/browse/PYSIDE-671"),
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'GLVolumeItem.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLIsosurface.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLSurfacePlot.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLScatterPlotItem.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLshaders.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLLinePlotItem.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLMeshItem.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939"),
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'GLImageItem.py': exceptionCondition(not(sys.platform == "darwin" and sys.version_info[0] == 2 and (frontends[Qt.PYQT4] or frontends[Qt.PYSIDE])), reason="glClear does not work on macOS + Python2.7 + Qt4: https://github.com/pyqtgraph/pyqtgraph/issues/939")
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}
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@pytest.mark.parametrize(
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"frontend, f",
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[
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pytest.param(
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frontend,
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f,
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marks=pytest.mark.skipif(conditionalExampleTests[f[1]].condition is False,
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reason=conditionalExampleTests[f[1]].reason) if f[1] in conditionalExampleTests.keys() else (),
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)
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for frontend, f, in itertools.product(installedFrontends, files)
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],
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ids = [" {} - {} ".format(f[1], frontend) for frontend, f in itertools.product(installedFrontends, files)]
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)
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def testExamples(frontend, f, graphicsSystem=None):
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# runExampleFile(f[0], f[1], sys.executable, frontend)
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name, file = f
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global path
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fn = os.path.join(path,file)
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os.chdir(path)
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sys.stdout.write("{} ".format(name))
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sys.stdout.flush()
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import1 = "import %s" % frontend if frontend != '' else ''
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import2 = os.path.splitext(os.path.split(fn)[1])[0]
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graphicsSystem = '' if graphicsSystem is None else "pg.QtGui.QApplication.setGraphicsSystem('%s')" % graphicsSystem
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code = """
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try:
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%s
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import initExample
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import pyqtgraph as pg
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%s
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import %s
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import sys
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print("test complete")
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sys.stdout.flush()
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import time
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while True: ## run a little event loop
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pg.QtGui.QApplication.processEvents()
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time.sleep(0.01)
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except:
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print("test failed")
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raise
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""" % (import1, graphicsSystem, import2)
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if sys.platform.startswith('win'):
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process = subprocess.Popen([sys.executable],
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stdin=subprocess.PIPE,
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stderr=subprocess.PIPE,
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stdout=subprocess.PIPE)
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else:
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process = subprocess.Popen(['exec %s -i' % (sys.executable)],
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shell=True,
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stdin=subprocess.PIPE,
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stderr=subprocess.PIPE,
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stdout=subprocess.PIPE)
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process.stdin.write(code.encode('UTF-8'))
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process.stdin.close() ##?
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output = ''
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fail = False
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while True:
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try:
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c = process.stdout.read(1).decode()
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except IOError as err:
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if err.errno == errno.EINTR:
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# Interrupted system call; just try again.
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c = ''
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else:
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raise
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output += c
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if output.endswith('test complete'):
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break
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if output.endswith('test failed'):
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fail = True
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break
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time.sleep(1)
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process.kill()
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#res = process.communicate()
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res = (process.stdout.read(), process.stderr.read())
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if fail or 'exception' in res[1].decode().lower() or 'error' in res[1].decode().lower():
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print(res[0].decode())
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print(res[1].decode())
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pytest.fail("{}\n{}\nFailed {} Example Test Located in {} ".format(res[0].decode(), res[1].decode(), name, file), pytrace=False)
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if __name__ == "__main__":
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pytest.cmdline.main()
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