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Match the max tooltip and bottom area sizes in the notebook....
Match the max tooltip and bottom area sizes in the notebook. This prevents the tooltip from going below the bottom of the page, which makes it inaccessible by any mechanism and thus useless.

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test_asyncfrontendbase.py
106 lines | 4.1 KiB | text/x-python | PythonLexer
# encoding: utf-8
"""This file contains unittests for the asyncfrontendbase module."""
#---------------------------------------------------------------------------
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#---------------------------------------------------------------------------
#---------------------------------------------------------------------------
# Imports
#---------------------------------------------------------------------------
from twisted.trial import unittest
from IPython.frontend.asyncfrontendbase import AsyncFrontEndBase
from IPython.frontend import frontendbase
from IPython.kernel.engineservice import EngineService
from IPython.testing.parametric import Parametric, parametric
#-----------------------------------------------------------------------------
# Classes and functions
#-----------------------------------------------------------------------------
class FrontEndCallbackChecker(AsyncFrontEndBase):
"""FrontEndBase subclass for checking callbacks"""
def __init__(self, engine=None, history=None):
super(FrontEndCallbackChecker, self).__init__(engine=engine,
history=history)
self.updateCalled = False
self.renderResultCalled = False
self.renderErrorCalled = False
def update_cell_prompt(self, result, blockID=None):
self.updateCalled = True
return result
def render_result(self, result):
self.renderResultCalled = True
return result
def render_error(self, failure):
self.renderErrorCalled = True
return failure
class TestAsyncFrontendBase(unittest.TestCase):
def setUp(self):
"""Setup the EngineService and FrontEndBase"""
self.fb = FrontEndCallbackChecker(engine=EngineService())
def test_implements_IFrontEnd(self):
self.assert_(frontendbase.IFrontEnd.implementedBy(
AsyncFrontEndBase))
def test_is_complete_returns_False_for_incomplete_block(self):
block = """def test(a):"""
self.assert_(self.fb.is_complete(block) == False)
def test_is_complete_returns_True_for_complete_block(self):
block = """def test(a): pass"""
self.assert_(self.fb.is_complete(block))
block = """a=3"""
self.assert_(self.fb.is_complete(block))
def test_blockID_added_to_result(self):
block = """3+3"""
d = self.fb.execute(block, blockID='TEST_ID')
d.addCallback(lambda r: self.assert_(r['blockID']=='TEST_ID'))
return d
def test_blockID_added_to_failure(self):
block = "raise Exception()"
d = self.fb.execute(block,blockID='TEST_ID')
d.addErrback(lambda f: self.assert_(f.blockID=='TEST_ID'))
return d
def test_callbacks_added_to_execute(self):
d = self.fb.execute("10+10")
d.addCallback(lambda r: self.assert_(self.fb.updateCalled and self.fb.renderResultCalled))
return d
def test_error_callback_added_to_execute(self):
"""Test that render_error called on execution error."""
d = self.fb.execute("raise Exception()")
d.addErrback(lambda f: self.assert_(self.fb.renderErrorCalled))
return d
def test_history_returns_expected_block(self):
"""Make sure history browsing doesn't fail."""
blocks = ["a=1","a=2","a=3"]
d = self.fb.execute(blocks[0])
d.addCallback(lambda _: self.fb.execute(blocks[1]))
d.addCallback(lambda _: self.fb.execute(blocks[2]))
d.addCallback(lambda _: self.assert_(self.fb.get_history_previous("")==blocks[-2]))
d.addCallback(lambda _: self.assert_(self.fb.get_history_previous("")==blocks[-3]))
d.addCallback(lambda _: self.assert_(self.fb.get_history_next()==blocks[-2]))
return d
def test_history_returns_none_at_startup(self):
self.assert_(self.fb.get_history_previous("")==None)
self.assert_(self.fb.get_history_next()==None)