def test_run_executable_does_not_exist(self):
"""
Executable.run() fails if the executable does not exist.
"""
filename = self._resolve_executable("does-not-exist")
exe = Executable(filename)
with self.assertRaises(ExecutableNotFoundError):
exe.run()
def test_run(self):
"""
Executable.run() runs the command and returns nothing.
"""
filename = self._write_executable("script")
exe = Executable(filename, {"SPAM": "eggs"})
with tempfile.NamedTemporaryFile() as outfile:
exe.run("x", "-y", "z", stdout=outfile)
outfile.seek(0)
out = outfile.read()
self.assertTrue(out.startswith("x -y z\n"))
self.assertIn("SPAM=eggs\n", out)