# -*- 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 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.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"]) conditionalExamples = { "hdf5.py": exceptionCondition( False, reason="Example requires user interaction" ), "RemoteSpeedTest.py": exceptionCondition( False, reason="Test is being problematic on CI machines" ), "optics_demos.py": exceptionCondition( not frontends[Qt.PYSIDE], reason=( "Test fails due to PySide bug: ", "https://bugreports.qt.io/browse/PYSIDE-671" ) ), '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" ) ), '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" ) ), '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" ) ), '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" ) ), '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" ) ), '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" ) ), '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" ) ), '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" ) ) } @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()