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# coding: utf-8
"""Tests for the compilerop module."""
# -----------------------------------------------------------------------------
# Copyright (C) 2010-2011 The IPython Development Team.
#
# Distributed under the terms of the BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
# Stdlib imports
import linecache
import sys
# Our own imports
from IPython.core import compilerop
# -----------------------------------------------------------------------------
# Test functions
# -----------------------------------------------------------------------------
def test_code_name():
code = "x=1"
name = compilerop.code_name(code)
assert name.startswith("<ipython-input-0")
def test_code_name2():
code = "x=1"
name = compilerop.code_name(code, 9)
assert name.startswith("<ipython-input-9")
def test_cache():
"""Test the compiler correctly compiles and caches inputs"""
cp = compilerop.CachingCompiler()
ncache = len(linecache.cache)
cp.cache("x=1")
assert len(linecache.cache) > ncache
def test_proper_default_encoding():
# Check we're in a proper Python 2 environment (some imports, such
# as GTK, can change the default encoding, which can hide bugs.)
assert sys.getdefaultencoding() == "utf-8"
def test_cache_unicode():
cp = compilerop.CachingCompiler()
ncache = len(linecache.cache)
cp.cache("t = 'žćčšđ'")
assert len(linecache.cache) > ncache
def test_compiler_check_cache():
"""Test the compiler properly manages the cache."""
# Rather simple-minded tests that just exercise the API
cp = compilerop.CachingCompiler()
cp.cache("x=1", 99)
# Ensure now that after clearing the cache, our entries survive
linecache.checkcache()
assert any(
k.startswith("<ipython-input-99") for k in linecache.cache
), "Entry for input-99 missing from linecache"
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