74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
#!/usr/bin/env python
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import os
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import unittest
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from xvfbwrapper import Xvfb
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class TestXvfb(unittest.TestCase):
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def reset_display(self):
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os.environ['DISPLAY'] = ':0'
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def setUp(self):
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self.reset_display()
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def test_start(self):
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xvfb = Xvfb()
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self.addCleanup(xvfb.stop)
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xvfb.start()
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display_var = ':{}'.format(xvfb.new_display)
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self.assertEqual(display_var, os.environ['DISPLAY'])
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self.assertIsNotNone(xvfb.proc)
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def test_stop(self):
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orig_display = os.environ['DISPLAY']
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xvfb = Xvfb()
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xvfb.start()
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self.assertNotEqual(orig_display, os.environ['DISPLAY'])
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xvfb.stop()
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self.assertIsNone(xvfb.proc)
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self.assertEqual(orig_display, os.environ['DISPLAY'])
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def test_start_without_existing_display(self):
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del os.environ['DISPLAY']
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xvfb = Xvfb()
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self.addCleanup(xvfb.stop)
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self.addCleanup(self.reset_display)
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xvfb.start()
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display_var = ':{}'.format(xvfb.new_display)
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self.assertEqual(display_var, os.environ['DISPLAY'])
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self.assertIsNotNone(xvfb.proc)
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def test_as_context_manager(self):
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orig_display = os.environ['DISPLAY']
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with Xvfb() as xvfb:
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display_var = ':{}'.format(xvfb.new_display)
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self.assertEqual(display_var, os.environ['DISPLAY'])
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self.assertIsNotNone(xvfb.proc)
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self.assertIsNone(xvfb.proc)
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self.assertEqual(orig_display, os.environ['DISPLAY'])
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def test_start_with_kwargs(self):
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w = 800
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h = 600
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depth = 16
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xvfb = Xvfb(width=w, height=h, colordepth=depth)
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self.addCleanup(xvfb.stop)
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xvfb.start()
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self.assertEqual(w, xvfb.width)
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self.assertEqual(h, xvfb.height)
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self.assertEqual(depth, xvfb.colordepth)
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display_var = ':{}'.format(xvfb.new_display)
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self.assertEqual(display_var, os.environ['DISPLAY'])
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self.assertIsNotNone(xvfb.proc)
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def test_start_with_arbitrary_kwarg(self):
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xvfb = Xvfb(nolisten='tcp')
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self.addCleanup(xvfb.stop)
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xvfb.start()
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display_var = ':{}'.format(xvfb.new_display)
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self.assertEqual(display_var, os.environ['DISPLAY'])
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self.assertIsNotNone(xvfb.proc)
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