diff options
Diffstat (limited to 'tests/coveragetest.py')
| -rw-r--r-- | tests/coveragetest.py | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/tests/coveragetest.py b/tests/coveragetest.py index 05a7dc4a..bf55395e 100644 --- a/tests/coveragetest.py +++ b/tests/coveragetest.py @@ -335,21 +335,31 @@ class CoverageTest( self.assertEqual(ret_actual, ret) def run_command(self, cmd): - """Run the command-line `cmd` in a sub-process, and print its output. + """ Run the command-line `cmd` in a sub-process. - Use this when you need to test the process behavior of coverage. + :param cmd: The command line to invoke in a sub-process. + :return: Combined content of `stdout` and `stderr` output + streams from the sub-process. - Compare with `command_line`. + Use this when you need to test the process behavior of + coverage. - Returns the process' stdout text. + Compare with `command_line`. - """ - # Running Python sub-processes can be tricky. Use the real name of our - # own executable. So "python foo.py" might get executed as - # "python3.3 foo.py". This is important because Python 3.x doesn't - # install as "python", so you might get a Python 2 executable instead - # if you don't use the executable's basename. + Handles the following command name specially: + + * "python" is replaced with the command name of the current + Python interpreter. + + """ if cmd.startswith("python "): + # Running a Python interpreter in a sub-processes can be + # tricky. Use the real name of our own executable. So + # "python foo.py" might get executed as "python3.3 + # foo.py". This is important because Python 3.x doesn't + # install as "python", so you might get a Python 2 + # executable instead if you don't use the executable's + # basename. cmd = os.path.basename(sys.executable) + cmd[6:] _, output = self.run_command_status(cmd) |