def test_run_executable_does_not_exist(self):
"""
Executable.run_out() fails if the executable does not exist.
"""
filename = self._resolve_executable("does-not-exist")
exe = Executable(filename)
with self.assertRaises(ExecutableNotFoundError):
exe.run_out()
def test_run_out(self):
"""
Executable.run_out() runs the command and returns stdout.
"""
filename = self._write_executable("script")
self.assertTrue(os.path.exists(filename))
exe = Executable(filename, {"SPAM": "eggs"})
out = exe.run_out("x", "-y", "z")
self.assertTrue(out.startswith("x -y z\n"))
self.assertIn("SPAM=eggs\n", out)