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import contextlib
import io
import numpy as np
import pytest
import asdf
from asdf import generic_io, util
def test_not_set():
assert util.NotSet is not None
assert repr(util.NotSet) == "NotSet"
class SomeClass:
class SomeInnerClass:
pass
def test_get_class_name():
assert util.get_class_name(SomeClass()) == "asdf._tests.test_util.SomeClass"
assert util.get_class_name(SomeClass, instance=False) == "asdf._tests.test_util.SomeClass"
assert util.get_class_name(SomeClass.SomeInnerClass()) == "asdf._tests.test_util.SomeClass.SomeInnerClass"
assert (
util.get_class_name(SomeClass.SomeInnerClass, instance=False)
== "asdf._tests.test_util.SomeClass.SomeInnerClass"
)
def test_patched_urllib_parse():
assert "asdf" in util._patched_urllib_parse.uses_relative
assert "asdf" in util._patched_urllib_parse.uses_netloc
import urllib.parse
assert urllib.parse is not util._patched_urllib_parse
assert "asdf" not in urllib.parse.uses_relative
assert "asdf" not in urllib.parse.uses_netloc
@pytest.mark.parametrize(
("pattern", "uri", "result"),
[
("asdf://somewhere.org/tags/foo-1.0", "asdf://somewhere.org/tags/foo-1.0", True),
("asdf://somewhere.org/tags/foo-1.0", "asdf://somewhere.org/tags/bar-1.0", False),
("asdf://somewhere.org/tags/foo-*", "asdf://somewhere.org/tags/foo-1.0", True),
("asdf://somewhere.org/tags/foo-*", "asdf://somewhere.org/tags/bar-1.0", False),
("asdf://somewhere.org/tags/foo-*", "asdf://somewhere.org/tags/foo-extras/bar-1.0", False),
("asdf://*/tags/foo-*", "asdf://anywhere.org/tags/foo-4.9", True),
("asdf://*/tags/foo-*", "asdf://anywhere.org/tags/bar-4.9", False),
("asdf://*/tags/foo-*", "asdf://somewhere.org/tags/foo-extras/bar-4.9", False),
("asdf://**/*-1.0", "asdf://somewhere.org/tags/foo-1.0", True),
("asdf://**/*-1.0", "asdf://somewhere.org/tags/foo-2.0", False),
("asdf://**/*-1.0", "asdf://somewhere.org/tags/foo-extras/bar-1.0", True),
("asdf://**/*-1.0", "asdf://somewhere.org/tags/foo-extras/bar-2.0", False),
("asdf://somewhere.org/tags/foo-*", None, False),
("**", None, False),
],
)
def test_uri_match(pattern, uri, result):
assert util.uri_match(pattern, uri) is result
@pytest.mark.parametrize(
("content", "expected_type"),
[
(b"#ASDF blahblahblah", util.FileType.ASDF),
(b"SIMPLE = T blah blah blah blah", util.FileType.FITS),
(b"SIMPLY NOT A FITS FILE", util.FileType.UNKNOWN),
(b"#ASDQ", util.FileType.UNKNOWN),
],
)
def test_get_file_type(content, expected_type):
fd = generic_io.get_file(io.BytesIO(content))
assert util.get_file_type(fd) == expected_type
# Confirm that no content was lost
assert fd.read() == content
# We've historically had a problem detecting file type
# of generic_io.InputStream:
class OnlyHasAReadMethod:
def __init__(self, content):
self._fd = io.BytesIO(content)
def read(self, size=-1):
return self._fd.read(size)
fd = generic_io.get_file(OnlyHasAReadMethod(content))
assert util.get_file_type(fd) == expected_type
assert fd.read() == content
@pytest.mark.parametrize("input_type", ["filename", "binary_file", "generic_file"])
@pytest.mark.parametrize("tagged", [True, False])
def test_load_yaml(tmp_path, input_type, tagged):
fn = tmp_path / "test.asdf"
asdf.AsdfFile({"a": np.zeros(3)}).write_to(fn)
if input_type == "filename":
init = fn
ctx = contextlib.nullcontext()
elif input_type == "binary_file":
init = open(fn, "rb")
ctx = init
elif input_type == "generic_file":
init = generic_io.get_file(fn, "r")
ctx = init
with ctx:
tree = util.load_yaml(init, tagged=tagged)
if tagged:
assert isinstance(tree["a"], asdf.tagged.TaggedDict)
else:
assert not isinstance(tree["a"], asdf.tagged.TaggedDict)
@pytest.mark.parametrize("tagged", [True, False])
def test_load_yaml_recursion(tmp_path, tagged):
fn = tmp_path / "test.asdf"
tree = {}
tree["d"] = {}
tree["d"]["d"] = tree["d"]
tree["l"] = []
tree["l"].append(tree["l"])
asdf.AsdfFile(tree).write_to(fn)
tree = util.load_yaml(fn, tagged=tagged)
assert tree["d"]["d"] is tree["d"]
assert tree["l"][0] is tree["l"]
@pytest.mark.parametrize("tagged", [True, False])
def test_load_yaml_recursion_with_tags(tagged):
contents = b"""#ASDF 1.0.0
#ASDF_STANDARD 1.6.0
%YAML 1.1
%TAG ! tag:stsci.edu:asdf/
--- !core/asdf-1.1.0
o: &id001 !some/tag-1.0.0
inverse: !some/tag-1.0.0
inverse: *id001
l: &id002 !some/tag-1.0.0
- *id002
..."""
tree = util.load_yaml(io.BytesIO(contents), tagged=tagged)
assert tree["o"] is tree["o"]["inverse"]["inverse"]
assert tree["l"] is tree["l"][0]
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