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138 lines
3.5 KiB
Python
138 lines
3.5 KiB
Python
'''
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TestScreenshot
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==============
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Tested platforms:
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* MacOS
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* Linux
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'''
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import unittest
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from os import mkdir, remove
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from os.path import join, expanduser, exists
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from mock import patch
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from plyer.tests.common import PlatformTest, platform_import
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class MockedScreenCapture:
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'''
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Mocked object used instead of the console-like calling
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of screencapture binary with parameters.
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'''
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@staticmethod
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def whereis_exe(binary):
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'''
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Mock whereis_exe, so that it looks like
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MacOS screencapture binary is present on the system.
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'''
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return binary == 'screencapture'
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@staticmethod
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def call(args):
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'''
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Mocked subprocess.call to check console parameters.
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'''
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assert len(args) == 2, len(args)
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assert args[0] == 'screencapture', args
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assert args[1] == join(
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expanduser('~'), 'Pictures', 'screenshot.png'
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), args
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with open(args[1], 'w') as scr:
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scr.write('')
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class MockedXWD:
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'''
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Mocked object used instead of the console-like calling
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of X11 xwd binary with parameters.
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'''
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@staticmethod
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def whereis_exe(binary):
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'''
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Mock whereis_exe, so that it looks like
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X11 xwd binary is present on the system.
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'''
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return binary == 'xwd'
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@staticmethod
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def call(args, stdout):
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'''
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Mocked subprocess.call to check console parameters.
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'''
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assert len(args) == 3, args
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assert args[0] == 'xwd', args
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assert args[1:] == ['-silent', '-root'], args
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assert stdout.name == join(
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expanduser('~'), 'Pictures', 'screenshot.xwd'
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), stdout.name
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with open(stdout.name, 'w') as scr:
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scr.write('')
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class TestScreenshot(unittest.TestCase):
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'''
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TestCase for plyer.screenshot.
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'''
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def setUp(self):
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path = join(expanduser('~'), 'Pictures')
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if not exists(path):
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mkdir(path)
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@PlatformTest('macosx')
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def test_screenshot_screencapture(self):
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'''
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Test mocked MacOS screencapture for plyer.screenshot.
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'''
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scr = platform_import(
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platform='macosx',
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module_name='screenshot',
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whereis_exe=MockedScreenCapture.whereis_exe
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)
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# such class exists in screenshot module
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self.assertIn('OSXScreenshot', dir(scr))
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# the required instance is created
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scr = scr.instance()
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self.assertIn('OSXScreenshot', str(scr))
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# move capture from context manager to run without mock
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with patch(target='subprocess.call', new=MockedScreenCapture.call):
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self.assertIsNone(scr.capture())
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self.assertTrue(exists(scr.file_path))
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remove(scr.file_path)
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@PlatformTest('linux')
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def test_screenshot_xwd(self):
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'''
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Test mocked X11 xwd for plyer.screenshot.
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'''
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scr = platform_import(
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platform='linux',
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module_name='screenshot',
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whereis_exe=MockedXWD.whereis_exe
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)
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# such class exists in screenshot module
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self.assertIn('LinuxScreenshot', dir(scr))
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# the required instance is created
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scr = scr.instance()
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self.assertIn('LinuxScreenshot', str(scr))
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# move capture from context manager to run without mock
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with patch(target='subprocess.call', new=MockedXWD.call):
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self.assertIsNone(scr.capture())
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self.assertTrue(exists(scr.file_path))
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remove(scr.file_path)
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if __name__ == '__main__':
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unittest.main()
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