93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
#!/usr/bin/env python
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from .xvfbwrapper import Xvfb
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import os
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import sys
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import unittest
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try:
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from StringIO import StringIO # Python 2.7 compat
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except ImportError:
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from io import StringIO
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import pep8
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class TestXvfb(unittest.TestCase):
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def setUp(self):
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sys.stdout = sys.__stdout__
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self.addCleanup(self.restore_stdout)
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def restore_stdout(self):
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sys.stdout = sys.__stdout__
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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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self.assertEqual(':%d' % xvfb.vdisplay_num, os.environ['DISPLAY'])
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self.assertIsNot(None, 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.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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self.assertEqual(os.environ['DISPLAY'], ':%d' % xvfb.vdisplay_num)
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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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self.assertEqual(os.environ['DISPLAY'], ':%d' % xvfb.vdisplay_num)
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self.assertIsNot(None, xvfb.proc)
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def test_start_with_bad_kwarg_param(self):
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orig_display = os.environ['DISPLAY']
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out = StringIO()
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sys.stdout = out
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xvfb = Xvfb(nolisten='badvalue')
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self.addCleanup(xvfb.stop)
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xvfb.start()
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self.assertEqual(orig_display, os.environ['DISPLAY'])
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self.assertIsNone(xvfb.proc)
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self.assertIn('Error: Xvfb did not start', out.getvalue())
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def test_start_with_bad_kwarg(self):
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orig_display = os.environ['DISPLAY']
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out = StringIO()
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sys.stdout = out
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xvfb = Xvfb(badarg='foo')
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self.addCleanup(xvfb.stop)
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xvfb.start()
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self.assertEqual(orig_display, os.environ['DISPLAY'])
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self.assertIsNone(xvfb.proc)
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self.assertIn('Error: Xvfb did not start', out.getvalue())
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class Pep8ConformanceTestCase(unittest.TestCase):
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"""Test that all code conforms to PEP8."""
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def test_pep8_conformance(self):
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# scan source files in this directory recursively
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this_dir = os.path.dirname(os.path.realpath(__file__))
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self.pep8style = pep8.StyleGuide()
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self.pep8style.input_dir(this_dir)
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self.assertEqual(self.pep8style.options.report.total_errors, 0)
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