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Copy pathtest_curtsies_repl.py
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135 lines (113 loc) · 4.76 KB
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import code
import os
import sys
import tempfile
from contextlib import contextmanager
from StringIO import StringIO
import unittest
try:
from unittest import skip
except ImportError:
def skip(f):
return lambda self: None
py3 = (sys.version_info[0] == 3)
from bpython.curtsiesfrontend import repl as curtsiesrepl
from bpython import config
from bpython import args
def setup_config(conf):
config_struct = config.Struct()
config.loadini(config_struct, os.devnull)
for key, value in conf.items():
if not hasattr(config_struct, key):
raise ValueError("%r is not a valid config attribute", (key,))
setattr(config_struct, key, value)
return config_struct
class TestCurtsiesRepl(unittest.TestCase):
def setUp(self):
self.repl = create_repl()
def test_buffer_finished_will_parse(self):
self.repl.buffer = ['1 + 1']
self.assertTrue(self.repl.buffer_finished_will_parse(), (True, True))
self.repl.buffer = ['def foo(x):']
self.assertTrue(self.repl.buffer_finished_will_parse(), (False, True))
self.repl.buffer = ['def foo(x)']
self.assertTrue(self.repl.buffer_finished_will_parse(), (True, False))
self.repl.buffer = ['def foo(x):', 'return 1']
self.assertTrue(self.repl.buffer_finished_will_parse(), (True, False))
self.repl.buffer = ['def foo(x):', ' return 1']
self.assertTrue(self.repl.buffer_finished_will_parse(), (True, True))
self.repl.buffer = ['def foo(x):', ' return 1', '']
self.assertTrue(self.repl.buffer_finished_will_parse(), (True, True))
def test_external_communication(self):
self.assertEqual(type(self.repl.help_text()), type(b''))
self.repl.send_current_block_to_external_editor()
self.repl.send_session_to_external_editor()
def test_get_last_word(self):
self.repl.rl_history.entries=['1','2 3','4 5 6']
self.repl._set_current_line('abcde')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,'abcde6')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,'abcde3')
@skip # this is the behavior of bash - not currently implemented
def test_get_last_word_with_prev_line(self):
self.repl.rl_history.entries=['1','2 3','4 5 6']
self.repl._set_current_line('abcde')
self.repl.up_one_line()
self.assertEqual(self.repl.current_line,'4 5 6')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,'4 5 63')
self.repl.get_last_word()
self.assertEqual(self.repl.current_line,'4 5 64')
self.repl.up_one_line()
self.assertEqual(self.repl.current_line,'2 3')
@contextmanager # from http://stackoverflow.com/a/17981937/398212 - thanks @rkennedy
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = new_out, new_err
yield sys.stdout, sys.stderr
finally:
sys.stdout, sys.stderr = old_out, old_err
def create_repl(**kwargs):
config = setup_config({'editor':'true'})
repl = curtsiesrepl.Repl(config=config, **kwargs)
os.environ['PAGER'] = 'true'
repl.width = 50
repl.height = 20
return repl
class TestFutureImports(unittest.TestCase):
def test_repl(self):
repl = create_repl()
with captured_output() as (out, err):
repl.push('from __future__ import division')
repl.push('1 / 2')
self.assertEqual(out.getvalue(), '0.5\n')
@skip('Failing - this is issue #369')
def test_interactive(self):
interp = code.InteractiveInterpreter(locals={})
with captured_output() as (out, err):
with tempfile.NamedTemporaryFile(suffix='.py') as f:
f.write('from __future__ import division\n')
f.write('print 1/2\n')
f.flush()
args.exec_code(interp, [f.name])
repl = create_repl(interp=interp)
repl.push('1 / 2')
self.assertEqual(out.getvalue(), '0.5\n0.5\n')
class TestPredictedIndent(unittest.TestCase):
def setUp(self):
self.repl = create_repl()
def test_simple(self):
self.assertEqual(self.repl.predicted_indent(''), 0)
self.assertEqual(self.repl.predicted_indent('class Foo:'), 4)
self.assertEqual(self.repl.predicted_indent('class Foo: pass'), 0)
self.assertEqual(self.repl.predicted_indent('def asdf():'), 4)
self.assertEqual(self.repl.predicted_indent('def asdf(): return 7'), 0)
@skip
def test_complex(self):
self.assertEqual(self.repl.predicted_indent('[a,'), 1)
self.assertEqual(self.repl.predicted_indent('reduce(asdfasdf,'), 7)
if __name__ == '__main__':
unittest.main()