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47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
# Testing the trace module
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from test.support import run_unittest, TESTFN, rmtree, unlink, captured_stdout
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import unittest
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import trace
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import os, sys
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class TestCoverage(unittest.TestCase):
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def tearDown(self):
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rmtree(TESTFN)
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unlink(TESTFN)
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def _coverage(self, tracer):
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tracer.run('from test import test_pprint; test_pprint.test_main()')
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r = tracer.results()
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r.write_results(show_missing=True, summary=True, coverdir=TESTFN)
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def test_coverage(self):
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tracer = trace.Trace(trace=0, count=1)
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with captured_stdout() as stdout:
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self._coverage(tracer)
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stdout = stdout.getvalue()
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self.assertTrue("pprint.py" in stdout)
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self.assertTrue("case.py" in stdout) # from unittest
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files = os.listdir(TESTFN)
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self.assertTrue("pprint.cover" in files)
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self.assertTrue("unittest.case.cover" in files)
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def test_coverage_ignore(self):
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# Ignore all files, nothing should be traced nor printed
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libpath = os.path.normpath(os.path.dirname(os.__file__))
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# sys.prefix does not work when running from a checkout
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tracer = trace.Trace(ignoredirs=[sys.prefix, sys.exec_prefix, libpath],
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trace=0, count=1)
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with captured_stdout() as stdout:
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self._coverage(tracer)
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self.assertEquals(stdout.getvalue(), "")
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if os.path.exists(TESTFN):
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files = os.listdir(TESTFN)
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self.assertEquals(files, [])
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def test_main():
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run_unittest(__name__)
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if __name__ == "__main__":
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test_main()
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