def test():
"""
Perform functionality tests for the filesystem abstraction interface.
"""
# create a clean test folder in /tmp
root_dir = os.path.join(gettempdir(), "openage_fslike_test")
root_path = Directory(root_dir, create_if_missing=True).root
root_path.removerecursive()
# test basic path functions
test_path(root_path, root_dir)
# test the union
test_union(root_path, root_dir)
# test the case ignoring dir
test_case_ignoring(root_path, root_dir)
# test appending content
test_append(root_path)
# and remove all the things we just created
assert_value(root_path.is_dir(), True)
root_path.removerecursive()
assert_value(root_path.is_dir(), False)
def test():
"""
Perform functionality tests for the filesystem abstraction interface.
"""
# create a clean test folder in /tmp
root_dir = os.path.join(gettempdir(), "openage_fslike_test")
root_path = Directory(root_dir, create_if_missing=True).root
root_path.removerecursive()
# test basic path functions
test_path(root_path, root_dir)
# test the union
test_union(root_path, root_dir)
# test the case ignoring dir
test_case_ignoring(root_path, root_dir)
# test appending content
test_append(root_path)
# and remove all the things we just created
assert_value(root_path.is_dir(), True)
root_path.removerecursive()
assert_value(root_path.is_dir(), False)
def test_case_ignoring(root_path, root_dir):
"""
Test opening the root path with ignored case.
create a file with known name
then open it with wrong-case name
then write it with wrong-case name
check if changes went to known-name file
create new file with CamelCase name
check if the CamelCase file was actually created as `camelcase`
"""
with root_path["lemme_in"].open("wb") as fil:
fil.write(b"pwnt")
ignorecase_dir = CaseIgnoringDirectory(root_dir).root
with ignorecase_dir["LeMmE_In"].open("rb") as fil:
assert_value(fil.read(), b"pwnt")
with ignorecase_dir["LeMmE_In"].open("wb") as fil:
fil.write(b"changedit")
with root_path["lemme_in"].open("rb") as fil:
assert_value(fil.read(), b"changedit")
ignorecase_dir["WeirdCase"].touch()
assert_value(root_path["weirdcase"].is_file(), True)
root_path["a"].touch()
ignorecase_dir["A"].touch()
assert_value(root_path["A"].is_file(), False)
def test_case_ignoring(root_path, root_dir):
"""
Test opening the root path with ignored case.
create a file with known name
then open it with wrong-case name
then write it with wrong-case name
check if changes went to known-name file
create new file with CamelCase name
check if the CamelCase file was actually created as `camelcase`
"""
with root_path["lemme_in"].open("wb") as fil:
fil.write(b"pwnt")
ignorecase_dir = CaseIgnoringDirectory(root_dir).root
with ignorecase_dir["LeMmE_In"].open("rb") as fil:
assert_value(fil.read(), b"pwnt")
with ignorecase_dir["LeMmE_In"].open("wb") as fil:
fil.write(b"changedit")
with root_path["lemme_in"].open("rb") as fil:
assert_value(fil.read(), b"changedit")
ignorecase_dir["WeirdCase"].touch()
assert_value(root_path["weirdcase"].is_file(), True)
root_path["a"].touch()
ignorecase_dir["A"].touch()
assert_value(root_path["A"].is_file(), False)
def test_case_ignoring(root_path, root_dir):
"""
Test the case ignoring directory,
which mimics the windows filename selection behavior.
"""
# create a file with known name
with root_path["lemme_in"].open("wb") as fil:
fil.write(b"pwnt")
ignorecase_dir = CaseIgnoringDirectory(root_dir).root
# open it with wrong-case name
with ignorecase_dir["LeMmE_In"].open("rb") as fil:
assert_value(fil.read(), b"pwnt")
# then write it with wrong-case name
with ignorecase_dir["LeMmE_In"].open("wb") as fil:
fil.write(b"changedit")
# check if changes went to known-name file
with root_path["lemme_in"].open("rb") as fil:
assert_value(fil.read(), b"changedit")
# create new file with CamelCase name
ignorecase_dir["WeirdCase"].touch()
# check if the CamelCase file was actually created as `camelcase`
assert_value(root_path["weirdcase"].is_file(), True)
# touching the same file
root_path["a"].touch()
ignorecase_dir["A"].touch()
if is_filesystem_case_sensitive():
# 'A' should not exist, 'a' should have been touched.
assert_value(root_path["A"].is_file(), False)
else:
# The underlying fs should treat A as a.
assert_value(root_path["A"].is_file(), True)
def test_union(root_path, root_dir):
"""
Union functionality testing.
Procedure:
create and write a file in r
create union with w and r mount. r is readonly.
read file, should be from r.
write file, whould go to w.
read file, should be from w.
unmount w, file content should be from r again.
unmount r, union should be empty now.
"""
test_dir_w = os.path.join(root_dir, "w")
test_dir_r = os.path.join(root_dir, "r")
# automated directory creation:
path_w = DirectoryCreator(
Directory(test_dir_w, create_if_missing=True).root
).root
path_r = Directory(test_dir_r, create_if_missing=True).root
assert_value(path_r["some_file"].is_file(), False)
with path_r["some_file"].open("wb") as fil:
fil.write(b"some data")
with path_r["some_file"].open("rb") as fil:
assert_value(b"some data", fil.read())
assert_value(path_r.exists(), True)
assert_value(path_r.is_dir(), True)
assert_value(path_r.is_file(), False)
assert_value(path_r["some_file"].is_file(), True)
assert_value(path_r.writable(), True)
# protect the r-path
path_protected = WriteBlocker(path_r).root
assert_value(path_protected.writable(), False)
with assert_raises(UnsupportedOperation):
result(path_protected.open('wb'))
# mount the above into one virtual file system
target = Union().root
# first, mount the read-directory read-only
target.mount(path_protected)
# then, mount the writable folder
target.mount(path_w)
# read the data
with target["some_file"].open("rb") as fil:
test_data = fil.read()
# overwrite the data:
with target["some_file"].open("wb") as fil:
fil.write(b"we changed it")
# get back changed data
with target["some_file"].open("rb") as fil:
changed_test_data = fil.read()
assert_value(test_data != changed_test_data, True)
assert_value(changed_test_data, b"we changed it")
# ther should be nothing else here.
assert_value(set(root_path.list()), {b"r", b"w"})
# unmount the change-overlay
target.unmount(path_w)
with (target / "some_file").open("rb") as fil:
unchanged_test_data = fil.read()
assert_value(test_data, unchanged_test_data)
# unmount the source-overlay:
target.unmount()
# now the target mount should be completely empty.
assert_value(target["some_file"].exists(), False)
assert_value(list(target.list()), [])
assert_value(len(list(target.iterdir())), 0)
def test_append(root_path):
"""
Test the content append modes.
"""
# create initial content
with root_path["appendfile"].open("wb") as fil:
fil.write(b"just")
# append some data
with root_path["appendfile"].open("ab") as fil:
assert_value(fil.readable(), False)
assert_value(fil.writable(), True)
fil.write(b" some")
# append some more data and then read it
with root_path["appendfile"].open("arb") as fil:
assert_value(fil.readable(), True)
assert_value(fil.writable(), True)
fil.write(b" test")
# use the read-write mode to first read, then write, then read.
with root_path["appendfile"].open("rwb") as fil:
assert_value(fil.readable(), True)
assert_value(fil.writable(), True)
assert_value(fil.read(), b"just some test")
fil.seek(0)
fil.write(b"overwritten")
fil.seek(0)
assert_value(fil.read(), b"overwrittenest")
def test_path(root_path, root_dir):
"""
Test basic functionality of fslike.Path
"""
# multi dir creation
deeper = (root_path / "let's go" / "deeper")
assert_value(deeper.parent, root_path["let's go"])
deeper.mkdirs()
assert_value(deeper.is_dir(), True)
assert_value(deeper.resolve_native_path().decode(),
os.path.join(root_dir, "let's go", "deeper"))
insert = deeper["insertion.stuff.test"]
insert.touch()
assert_value(insert.filesize, 0)
assert_value(insert.suffix, ".test")
assert_value(insert.suffixes, [".stuff", ".test"])
assert_value(insert.stem, "insertion.stuff")
assert_value(insert.with_name("insertion.stuff.test").exists(), True)
assert_value(insert.with_suffix(".test").exists(), True)
root_path["let's go"].removerecursive()
def test_union(root_path, root_dir):
"""
Union functionality testing.
Procedure:
create and write a file in r
create union with w and r mount. r is readonly.
read file, should be from r.
write file, whould go to w.
read file, should be from w.
unmount w, file content should be from r again.
unmount r, union should be empty now.
"""
test_dir_w = os.path.join(root_dir, "w")
test_dir_r = os.path.join(root_dir, "r")
# automated directory creation:
path_w = DirectoryCreator(
Directory(test_dir_w, create_if_missing=True).root).root
path_r = Directory(test_dir_r, create_if_missing=True).root
assert_value(path_r["some_file"].is_file(), False)
with path_r["some_file"].open("wb") as fil:
fil.write(b"some data")
with path_r["some_file"].open("rb") as fil:
assert_value(b"some data", fil.read())
assert_value(path_r.exists(), True)
assert_value(path_r.is_dir(), True)
assert_value(path_r.is_file(), False)
assert_value(path_r["some_file"].is_file(), True)
assert_value(path_r.writable(), True)
# protect the r-path
path_protected = WriteBlocker(path_r).root
assert_value(path_protected.writable(), False)
with assert_raises(UnsupportedOperation):
result(path_protected.open('wb'))
# mount the above into one virtual file system
target = Union().root
# first, mount the read-directory read-only
target.mount(path_protected)
# then, mount the writable folder
target.mount(path_w)
# read the data
with target["some_file"].open("rb") as fil:
test_data = fil.read()
# overwrite the data:
with target["some_file"].open("wb") as fil:
fil.write(b"we changed it")
# get back changed data
with target["some_file"].open("rb") as fil:
changed_test_data = fil.read()
assert_value(test_data != changed_test_data, True)
assert_value(changed_test_data, b"we changed it")
# ther should be nothing else here.
assert_value(set(root_path.list()), {b"r", b"w"})
# unmount the change-overlay
target.unmount(path_w)
with (target / "some_file").open("rb") as fil:
unchanged_test_data = fil.read()
assert_value(test_data, unchanged_test_data)
# unmount the source-overlay:
target.unmount()
# now the target mount should be completely empty.
assert_value(target["some_file"].exists(), False)
assert_value(list(target.list()), [])
assert_value(len(list(target.iterdir())), 0)
def test_append(root_path):
"""
Test the content append modes.
"""
# create initial content
with root_path["appendfile"].open("wb") as fil:
fil.write(b"just")
# append some data
with root_path["appendfile"].open("ab") as fil:
assert_value(fil.readable(), False)
assert_value(fil.writable(), True)
fil.write(b" some")
# append some more data and then read it
with root_path["appendfile"].open("arb") as fil:
assert_value(fil.readable(), True)
assert_value(fil.writable(), True)
fil.write(b" test")
# use the read-write mode to first read, then write, then read.
with root_path["appendfile"].open("rwb") as fil:
assert_value(fil.readable(), True)
assert_value(fil.writable(), True)
assert_value(fil.read(), b"just some test")
fil.seek(0)
fil.write(b"overwritten")
fil.seek(0)
assert_value(fil.read(), b"overwrittenest")
def test_path(root_path, root_dir):
"""
Test basic functionality of fslike.Path
"""
# multi dir creation
deeper = (root_path / "let's go" / "deeper")
assert_value(deeper.parent, root_path["let's go"])
deeper.mkdirs()
assert_value(deeper.is_dir(), True)
assert_value(deeper.resolve_native_path().decode(),
os.path.join(root_dir, "let's go", "deeper"))
insert = deeper["insertion.stuff.test"]
insert.touch()
assert_value(insert.filesize, 0)
assert_value(insert.suffix, ".test")
assert_value(insert.suffixes, [".stuff", ".test"])
assert_value(insert.stem, "insertion.stuff")
assert_value(insert.with_name("insertion.stuff.test").exists(), True)
assert_value(insert.with_suffix(".test").exists(), True)
root_path["let's go"].removerecursive()
