diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/farm/run/run_timid.py | 43 | ||||
| -rw-r--r-- | tests/farm/run/src/showtrace.py | 26 | ||||
| -rw-r--r-- | tests/test_process.py | 59 |
3 files changed, 59 insertions, 69 deletions
diff --git a/tests/farm/run/run_timid.py b/tests/farm/run/run_timid.py deleted file mode 100644 index 56456618..00000000 --- a/tests/farm/run/run_timid.py +++ /dev/null @@ -1,43 +0,0 @@ -# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 -# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt - -# Test that the --timid command line argument properly swaps the tracer -# function for a simpler one. -# -# This is complicated by the fact that the tests are run twice for each -# version: once with a compiled C-based trace function, and once without -# it, to also test the Python trace function. So this test has to examine -# an environment variable set in igor.py to know whether to expect to see -# the C trace function or not. - -import os - -# When meta-coverage testing, this test doesn't work, because it finds -# coverage.py's own trace function. -if os.environ.get('COVERAGE_COVERAGE', ''): - skip("Can't test timid during coverage measurement.") - -copy("src", "out_timid") -run(""" - python showtrace.py none - coverage run showtrace.py regular - coverage run --timid showtrace.py timid - """, rundir="out_timid", outfile="showtraceout.txt") - -# When running without coverage, no trace function -# When running timidly, the trace function is always Python. -contains("out_timid/showtraceout.txt", - "none None", - "timid PyTracer", - ) - -if os.environ.get('COVERAGE_TEST_TRACER', 'c') == 'c': - # If the C trace function is being tested, then regular running should have - # the C function, which registers itself as f_trace. - contains("out_timid/showtraceout.txt", "regular CTracer") -else: - # If the Python trace function is being tested, then regular running will - # also show the Python function. - contains("out_timid/showtraceout.txt", "regular PyTracer") - -clean("out_timid") diff --git a/tests/farm/run/src/showtrace.py b/tests/farm/run/src/showtrace.py deleted file mode 100644 index a3692521..00000000 --- a/tests/farm/run/src/showtrace.py +++ /dev/null @@ -1,26 +0,0 @@ -# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 -# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt - -# Show the current frame's trace function, so that we can test what the -# command-line options do to the trace function used. - -import sys - -# Show what the trace function is. If a C-based function is used, then f_trace -# may be None. -trace_fn = sys._getframe(0).f_trace -if trace_fn is None: - trace_name = "None" -else: - # Get the name of the tracer class. Py3k has a different way to get it. - try: - trace_name = trace_fn.im_class.__name__ - except AttributeError: - try: - trace_name = trace_fn.__self__.__class__.__name__ - except AttributeError: - # A C-based function could also manifest as an f_trace value - # which doesn't have im_class or __self__. - trace_name = trace_fn.__class__.__name__ - -print("%s %s" % (sys.argv[1], trace_name)) diff --git a/tests/test_process.py b/tests/test_process.py index b9db6c4c..dee2984f 100644 --- a/tests/test_process.py +++ b/tests/test_process.py @@ -627,6 +627,65 @@ class ProcessTest(CoverageTest): self.assertIn("Trace function changed", out) + def test_timid(self): + # Test that the --timid command line argument properly swaps the tracer + # function for a simpler one. + # + # This is complicated by the fact that the tests are run twice for each + # version: once with a compiled C-based trace function, and once without + # it, to also test the Python trace function. So this test has to examine + # an environment variable set in igor.py to know whether to expect to see + # the C trace function or not. + + # When meta-coverage testing, this test doesn't work, because it finds + # coverage.py's own trace function. + if os.environ.get('COVERAGE_COVERAGE', ''): + self.skipTest("Can't test timid during coverage measurement.") + + self.make_file("showtrace.py", """\ + # Show the current frame's trace function, so that we can test what the + # command-line options do to the trace function used. + + import sys + + # Show what the trace function is. If a C-based function is used, then f_trace + # may be None. + trace_fn = sys._getframe(0).f_trace + if trace_fn is None: + trace_name = "None" + else: + # Get the name of the tracer class. Py3k has a different way to get it. + try: + trace_name = trace_fn.im_class.__name__ + except AttributeError: + try: + trace_name = trace_fn.__self__.__class__.__name__ + except AttributeError: + # A C-based function could also manifest as an f_trace value + # which doesn't have im_class or __self__. + trace_name = trace_fn.__class__.__name__ + + print(trace_name) + """) + + # When running without coverage, no trace function + py_out = self.run_command("python showtrace.py") + self.assertEqual(py_out, "None\n") + + cov_out = self.run_command("coverage run showtrace.py") + if os.environ.get('COVERAGE_TEST_TRACER', 'c') == 'c': + # If the C trace function is being tested, then regular running should have + # the C function, which registers itself as f_trace. + self.assertEqual(cov_out, "CTracer\n") + else: + # If the Python trace function is being tested, then regular running will + # also show the Python function. + self.assertEqual(cov_out, "PyTracer\n") + + # When running timidly, the trace function is always Python. + timid_out = self.run_command("coverage run --timid showtrace.py") + self.assertEqual(timid_out, "PyTracer\n") + def test_warn_preimported(self): self.make_file("hello.py", """\ import goodbye |