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Fix #4777 and #7887...
Fix #4777 and #7887 The function in charge of actually converting cursor offset to CodeMirror line number and character number was actually crashing when the cursor was at the last character (loop until undefined, then access length of variable, which is undefined). This was hiding a bug in which when you would completer to a single completion pressing tab after as-you-type filtering, the completion would be completed twice. The logic that was supposed to detect whether or not all completions had a common prefix was actually faulty as the common prefix used to be a string but was then changed to an object. Hence the logic to check whether or not there was actually a common prefix was always true, even for empty string, leading to the deletion of the line (replace by '') in some cases.

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r20538:ae7f6d6a
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test_extension.py
96 lines | 3.0 KiB | text/x-python | PythonLexer
import os.path
import nose.tools as nt
import IPython.testing.tools as tt
from IPython.utils.syspathcontext import prepended_to_syspath
from IPython.utils.tempdir import TemporaryDirectory
ext1_content = """
def load_ipython_extension(ip):
print("Running ext1 load")
def unload_ipython_extension(ip):
print("Running ext1 unload")
"""
ext2_content = """
def load_ipython_extension(ip):
print("Running ext2 load")
"""
ext3_content = """
def load_ipython_extension(ip):
ip2 = get_ipython()
print(ip is ip2)
"""
def test_extension_loading():
em = get_ipython().extension_manager
with TemporaryDirectory() as td:
ext1 = os.path.join(td, 'ext1.py')
with open(ext1, 'w') as f:
f.write(ext1_content)
ext2 = os.path.join(td, 'ext2.py')
with open(ext2, 'w') as f:
f.write(ext2_content)
with prepended_to_syspath(td):
assert 'ext1' not in em.loaded
assert 'ext2' not in em.loaded
# Load extension
with tt.AssertPrints("Running ext1 load"):
assert em.load_extension('ext1') is None
assert 'ext1' in em.loaded
# Should refuse to load it again
with tt.AssertNotPrints("Running ext1 load"):
assert em.load_extension('ext1') == 'already loaded'
# Reload
with tt.AssertPrints("Running ext1 unload"):
with tt.AssertPrints("Running ext1 load", suppress=False):
em.reload_extension('ext1')
# Unload
with tt.AssertPrints("Running ext1 unload"):
assert em.unload_extension('ext1') is None
# Can't unload again
with tt.AssertNotPrints("Running ext1 unload"):
assert em.unload_extension('ext1') == 'not loaded'
assert em.unload_extension('ext2') == 'not loaded'
# Load extension 2
with tt.AssertPrints("Running ext2 load"):
assert em.load_extension('ext2') is None
# Can't unload this
assert em.unload_extension('ext2') == 'no unload function'
# But can reload it
with tt.AssertPrints("Running ext2 load"):
em.reload_extension('ext2')
def test_extension_builtins():
em = get_ipython().extension_manager
with TemporaryDirectory() as td:
ext3 = os.path.join(td, 'ext3.py')
with open(ext3, 'w') as f:
f.write(ext3_content)
assert 'ext3' not in em.loaded
with prepended_to_syspath(td):
# Load extension
with tt.AssertPrints("True"):
assert em.load_extension('ext3') is None
assert 'ext3' in em.loaded
def test_non_extension():
em = get_ipython().extension_manager
nt.assert_equal(em.load_extension('sys'), "no load function")