test_script.py
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import sys
try:
import unittest2 as unittest
except ImportError:
import unittest
try:
from unittest import mock
except ImportError:
import mock
from qrcode.console_scripts import main
def bad_read():
raise UnicodeDecodeError('utf-8', b'0x80', 0, 1, 'invalid start byte')
class ScriptTest(unittest.TestCase):
@mock.patch('os.isatty', lambda *args: True)
@mock.patch('qrcode.main.QRCode.print_ascii')
def test_isatty(self, mock_print_ascii):
main(['testtext'])
mock_print_ascii.assert_called_with(tty=True)
@mock.patch('os.isatty', lambda *args: False)
@mock.patch('sys.stdout')
def test_piped(self, mock_stdout):
main(['testtext'])
@mock.patch('os.isatty', lambda *args: True)
@mock.patch('qrcode.main.QRCode.print_ascii')
def test_stdin(self, mock_print_ascii):
mock_stdin = mock.Mock(sys.stdin)
stdin_buffer = getattr(mock_stdin, 'buffer', mock_stdin)
stdin_buffer.read.return_value = 'testtext'
with mock.patch('sys.stdin', mock_stdin):
main([])
self.assertTrue(stdin_buffer.read.called)
mock_print_ascii.assert_called_with(tty=True)
@unittest.skipIf(sys.version_info[0] < 3, 'Python 3')
@mock.patch('os.isatty', lambda *args: True)
@mock.patch('qrcode.main.QRCode.print_ascii')
def test_stdin_py3_unicodedecodeerror(self, mock_print_ascii):
mock_stdin = mock.Mock(sys.stdin)
mock_stdin.buffer.read.return_value = 'testtext'
mock_stdin.read.side_effect = bad_read
with mock.patch('sys.stdin', mock_stdin):
# sys.stdin.read() will raise an error...
self.assertRaises(UnicodeDecodeError, sys.stdin.read)
# ... but it won't be used now.
main([])
mock_print_ascii.assert_called_with(tty=True)
@mock.patch('os.isatty', lambda *args: True)
@mock.patch('qrcode.main.QRCode.print_ascii')
def test_optimize(self, mock_print_ascii):
main('testtext --optimize 0'.split())
@mock.patch('sys.stdout')
def test_factory(self, mock_stdout):
main('testtext --factory svg'.split())
@mock.patch('sys.stderr')
def test_bad_factory(self, mock_stderr):
self.assertRaises(SystemExit, main, 'testtext --factory fish'.split())