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# Copyright 2014-2017 Insight Software Consortium.
# Copyright 2004-2009 Roman Yakovenko.
# Distributed under the Boost Software License, Version 1.0.
# See http://www.boost.org/LICENSE_1_0.txt
import os
import os.path
from . import autoconfig
from pygccxml.parser.config import xml_generator_configuration_t
from pygccxml.parser import declarations_cache
def test_file_signature():
file1 = os.path.join(autoconfig.data_directory, 'decl_cache_file1.txt')
file1_dup = os.path.join(
autoconfig.data_directory,
'decl_cache_file1_duplicate.txt')
file2 = os.path.join(autoconfig.data_directory, 'decl_cache_file2.txt')
sig1 = declarations_cache.file_signature(file1)
sig1_dup = declarations_cache.file_signature(file1_dup)
sig2 = declarations_cache.file_signature(file2)
assert sig1 == sig1_dup
assert sig1 != sig2
def test_config_signature():
diff_cfg_list = build_differing_cfg_list()
def_cfg = diff_cfg_list[0]
def_sig = declarations_cache.configuration_signature(def_cfg)
# Test changes that should cause sig changes
for cfg in diff_cfg_list[1:]:
assert declarations_cache.configuration_signature(cfg) != def_sig
# Test changes that should not cause sig changes
no_changes = def_cfg.clone()
assert declarations_cache.configuration_signature(no_changes) == def_sig
ignore_changed = def_cfg.clone()
ignore_changed.ignore_gccxml_output = True
assert (
declarations_cache.configuration_signature(ignore_changed) == def_sig
)
def test_cache_interface():
cache_file = os.path.join(
autoconfig.build_directory,
'decl_cache_test.test_cache_read.cache')
file1 = os.path.join(autoconfig.data_directory, 'decl_cache_file1.txt')
file1_dup = os.path.join(
autoconfig.data_directory,
'decl_cache_file1_duplicate.txt')
file2 = os.path.join(autoconfig.data_directory, 'decl_cache_file2.txt')
diff_cfg_list = build_differing_cfg_list()
def_cfg = diff_cfg_list[0]
if os.path.exists(cache_file):
os.remove(cache_file)
cache = declarations_cache.file_cache_t(cache_file)
assert len(cache._file_cache_t__cache) == 0
# test creating new entries for differing files
cache.update(file1, def_cfg, 1, [])
assert len(cache._file_cache_t__cache) == 1
cache.update(file1_dup, def_cfg, 2, [])
assert len(cache._file_cache_t__cache) == 1
cache.update(file2, def_cfg, 3, [])
assert len(cache._file_cache_t__cache) == 2
assert cache.cached_value(file1, def_cfg) == 2
assert cache.cached_value(file2, def_cfg) == 3
# Test reading again
cache.flush()
cache = declarations_cache.file_cache_t(cache_file)
assert len(cache._file_cache_t__cache) == 2
assert cache.cached_value(file1, def_cfg) == 2
assert cache.cached_value(file2, def_cfg) == 3
# Test flushing doesn't happen if we don't touch the cache
cache = declarations_cache.file_cache_t(cache_file)
assert cache.cached_value(file1, def_cfg) == 2 # Read from cache
cache.flush() # should not actually flush
cache = declarations_cache.file_cache_t(cache_file)
assert len(cache._file_cache_t__cache) == 2
# Test flush culling
cache = declarations_cache.file_cache_t(cache_file)
cache.update(file1_dup, def_cfg, 4, []) # Modify cache
cache.flush() # should cull off one entry
cache = declarations_cache.file_cache_t(cache_file)
assert len(cache._file_cache_t__cache) == 1
def build_differing_cfg_list():
""" Return a list of configurations that all differ. """
cfg_list = []
def_cfg = xml_generator_configuration_t(
"xml_generator_path",
'.', ['tmp'], ['sym'], ['unsym'], None, False, "")
cfg_list.append(def_cfg)
# Test changes that should cause sig changes
gccxml_changed = def_cfg.clone()
gccxml_changed.xml_generator_path = "other_path"
cfg_list.append(gccxml_changed)
wd_changed = def_cfg.clone()
wd_changed.working_directory = "other_dir"
cfg_list.append(wd_changed)
# inc_changed = def_cfg.clone()
# inc_changed.include_paths = ["/var/tmp"]
# assert configuration_signature(inc_changed) != def_sig)
inc_changed = xml_generator_configuration_t(
"xml_generator_path", '.', ['/var/tmp'], ['sym'], ['unsym'],
None, False, "")
cfg_list.append(inc_changed)
# def_changed = def_cfg.clone()
# def_changed.define_symbols = ["symbol"]
# assert configuration_signature(def_changed) != def_sig)
def_changed = xml_generator_configuration_t(
"xml_generator_path", '.', ['/var/tmp'], ['new-sym'], ['unsym'],
None, False, "")
cfg_list.append(def_changed)
# undef_changed = def_cfg.clone()
# undef_changed.undefine_symbols = ["symbol"]
# assert configuration_signature(undef_changed) != def_sig)
undef_changed = xml_generator_configuration_t(
"xml_generator_path", '.', ['/var/tmp'], ['sym'], ['new-unsym'],
None, False, "")
cfg_list.append(undef_changed)
cflags_changed = def_cfg.clone()
cflags_changed.cflags = "new flags"
cfg_list.append(cflags_changed)
return cfg_list
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