diff options
Diffstat (limited to 'Lib/test/test_subprocess.py')
| -rw-r--r-- | Lib/test/test_subprocess.py | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py index 28f6935..6d8afaf 100644 --- a/Lib/test/test_subprocess.py +++ b/Lib/test/test_subprocess.py @@ -158,8 +158,28 @@ class ProcessTestCase(BaseTestCase): stderr=subprocess.STDOUT) self.assertIn(b'BDFL', output) + def test_check_output_stdin_arg(self): + # check_output() can be called with stdin set to a file + tf = tempfile.TemporaryFile() + self.addCleanup(tf.close) + tf.write(b'pear') + tf.seek(0) + output = subprocess.check_output( + [sys.executable, "-c", + "import sys; sys.stdout.write(sys.stdin.read().upper())"], + stdin=tf) + self.assertIn(b'PEAR', output) + + def test_check_output_input_arg(self): + # check_output() can be called with input set to a string + output = subprocess.check_output( + [sys.executable, "-c", + "import sys; sys.stdout.write(sys.stdin.read().upper())"], + input=b'pear') + self.assertIn(b'PEAR', output) + def test_check_output_stdout_arg(self): - # check_output() function stderr redirected to stdout + # check_output() refuses to accept 'stdout' argument with self.assertRaises(ValueError) as c: output = subprocess.check_output( [sys.executable, "-c", "print('will not be run')"], @@ -167,6 +187,20 @@ class ProcessTestCase(BaseTestCase): self.fail("Expected ValueError when stdout arg supplied.") self.assertIn('stdout', c.exception.args[0]) + def test_check_output_stdin_with_input_arg(self): + # check_output() refuses to accept 'stdin' with 'input' + tf = tempfile.TemporaryFile() + self.addCleanup(tf.close) + tf.write(b'pear') + tf.seek(0) + with self.assertRaises(ValueError) as c: + output = subprocess.check_output( + [sys.executable, "-c", "print('will not be run')"], + stdin=tf, input=b'hare') + self.fail("Expected ValueError when stdin and input args supplied.") + self.assertIn('stdin', c.exception.args[0]) + self.assertIn('input', c.exception.args[0]) + def test_check_output_timeout(self): # check_output() function with timeout arg with self.assertRaises(subprocess.TimeoutExpired) as c: |