def test_import_module_with_invalid_cache_magic_number(
self, module_dir, cached_module_ns, cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="r+b") as f:
f.seek(0)
f.write(b"1999")
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value
def test_import_module_with_invalid_rawsize(self, module_dir,
cached_module_ns,
cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="r+b") as f:
f.seek(8)
f.write(importer._w_long(7733))
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value
def test_import_module_with_truncated_timestamp(self, module_dir,
cached_module_ns,
cached_module_file,
load_namespace):
cache_filename = importer._cache_from_source(
os.path.join(module_dir, cached_module_file))
with open(cache_filename, mode="w+b") as f:
f.write(importer.MAGIC_NUMBER)
f.write(b"abc")
using_cache = load_namespace(cached_module_ns)
assert cached_module_ns == using_cache.find(sym.symbol("val")).value
def make_new_module(self, module_dir):
"""Fixture returning a function which creates a new module and then
removes it after the test run."""
filenames = []
def _make_new_module(*ns_path: str,
ns_name: str = "",
module_text: Optional[str] = None) -> None:
"""Generate a new module. If ns_name is not the empty string, use that
name as the name of a Basilisp namespace with a single Var named `val`
containing the name of the namespace. Otherwise, if module_text is not
None, emit that module text directly to the generated module.
You may specify only either the ns_name or module_text.
This method always cleans up the module and any cached modules that it
creates."""
assert ns_name == "" or module_text is None
if ns_path[:-1]:
os.makedirs(os.path.join(module_dir, *ns_path[:-1]),
exist_ok=True)
filename = os.path.join(module_dir, *ns_path)
filenames.append(filename)
with open(filename, mode="w") as mod:
if ns_name != "" and module_text is None:
mod.write(f"(ns {ns_name}) (def val (name *ns*))")
else:
mod.write(module_text)
try:
yield _make_new_module
finally:
for filename in filenames:
os.unlink(filename)
try:
os.unlink(importer._cache_from_source(filename))
except FileNotFoundError:
pass