import sys
import unittest
from unittest import mock
from bpython.curtsiesfrontend.coderunner import CodeRunner, FakeOutput
class TestCodeRunner(unittest.TestCase):
def setUp(self):
self.orig_stdout = sys.stdout
self.orig_stderr = sys.stderr
def tearDown(self):
sys.stdout = self.orig_stdout
sys.stderr = self.orig_stderr
def test_simple(self):
c = CodeRunner(
request_refresh=lambda: self.orig_stdout.flush()
or self.orig_stderr.flush()
)
stdout = FakeOutput(c, lambda *args, **kwargs: None, None)
stderr = FakeOutput(c, lambda *args, **kwargs: None, None)
sys.stdout = stdout
sys.stdout = stderr
c.load_code("1 + 1")
c.run_code()
c.run_code()
c.run_code()
def test_exception(self):
c = CodeRunner(
request_refresh=lambda: self.orig_stdout.flush()
or self.orig_stderr.flush()
)
def ctrlc():
raise KeyboardInterrupt()
stdout = FakeOutput(c, lambda x: ctrlc(), None)
stderr = FakeOutput(c, lambda *args, **kwargs: None, None)
sys.stdout = stdout
sys.stderr = stderr
c.load_code("1 + 1")
c.run_code()
class TestFakeOutput(unittest.TestCase):
def assert_unicode(self, s):
self.assertIsInstance(s, str)
def test_bytes(self):
out = FakeOutput(mock.Mock(), self.assert_unicode, None)
out.write("native string type")