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import re
import numpy as np
import pytest
from asdf import AsdfFile
@pytest.fixture()
def asdf_file():
tree = {
"foo": 42,
"nested": {"foo": 24, "foible": "whoops", "folicle": "yup", "moo": 24},
"bar": "hello",
"list": [{"index": 0}, {"index": 1}, {"index": 2}],
}
return AsdfFile(tree)
def test_no_arguments(asdf_file):
result = asdf_file.search()
assert len(result.paths) == 15
assert len(result.nodes) == 15
def test_repr(asdf_file):
result = asdf_file.search()
assert "foo" in repr(result)
assert "nested" in repr(result)
assert "bar" in repr(result)
assert "list" in repr(result)
def test_single_result(asdf_file):
result = asdf_file.search("bar")
assert len(result.paths) == 1
assert len(result.nodes) == 1
assert result.node == "hello"
assert result.path == "root['bar']"
result.replace("goodbye")
assert asdf_file["bar"] == "goodbye"
def test_multiple_results(asdf_file):
result = asdf_file.search("foo")
assert len(result.paths) == 2
assert len(result.nodes) == 2
assert 42 in result.nodes
assert 24 in result.nodes
assert "root['foo']" in result.paths
assert "root['nested']['foo']" in result.paths
with pytest.raises(RuntimeError, match=r"More than one result"):
result.path
with pytest.raises(RuntimeError, match=r"More than one result"):
result.node
result.replace(54)
assert asdf_file["foo"] == 54
assert asdf_file["nested"]["foo"] == 54
def test_by_key(asdf_file):
result = asdf_file.search("bar")
assert result.node == "hello"
result = asdf_file.search("^b.r$")
assert result.node == "hello"
result = asdf_file.search(re.compile("fo[oi]"))
assert set(result.nodes) == {42, 24, "whoops"}
result = asdf_file.search(0)
assert result.node == {"index": 0}
def test_by_type(asdf_file):
result = asdf_file.search(type_=str)
assert sorted(result.nodes) == sorted(["hello", "whoops", "yup"])
result = asdf_file.search(type_="int")
assert result.nodes == [42, 24, 24, 0, 1, 2]
result = asdf_file.search(type_="dict|list")
assert len(result.nodes) == 5
result = asdf_file.search(type_=re.compile("^i.t$"))
assert result.nodes == [42, 24, 24, 0, 1, 2]
with pytest.raises(TypeError, match=r"type must be .*"):
asdf_file.search(type_=4)
def test_by_value(asdf_file):
result = asdf_file.search(value=42)
assert result.node == 42
def test_by_value_with_ndarray():
"""
Check some edge cases when comparing integers and booleans to numpy arrays.
"""
tree = {"foo": np.arange(10)}
af = AsdfFile(tree)
result = af.search(value=True)
assert len(result.nodes) == 0
result = af.search(value=42)
assert len(result.nodes) == 0
def test_by_filter(asdf_file):
with pytest.raises(ValueError, match=r"filter must accept 1 or 2 arguments"):
asdf_file.search(filter_=lambda: True)
result = asdf_file.search(filter_=lambda n: isinstance(n, int) and n % 2 == 0)
assert result.nodes == [42, 24, 24, 0, 2]
result = asdf_file.search(filter_=lambda n, k: k == "foo" and n > 30)
assert result.node == 42
def test_multiple_conditions(asdf_file):
result = asdf_file.search("foo", value=24)
assert len(result.nodes) == 1
assert result.node == 24
result.replace(19)
assert len(result.nodes) == 0
assert asdf_file["foo"] == 42
assert asdf_file["nested"]["foo"] == 19
def test_chaining(asdf_file):
result = asdf_file.search("foo").search(value=24)
assert len(result.nodes) == 1
assert result.node == 24
result.replace(19)
assert len(result.nodes) == 0
assert asdf_file["foo"] == 42
assert asdf_file["nested"]["foo"] == 19
def test_index_operator(asdf_file):
result = asdf_file.search()["nested"].search("foo")
assert len(result.nodes) == 1
assert result.node == 24
with pytest.raises(TypeError, match=r"This node cannot be indexed"):
asdf_file.search()["foo"][0]
def test_format(asdf_file):
result = asdf_file.search()
original_len = len(repr(result).split("\n"))
result = result.format(max_rows=original_len - 5)
new_len = len(repr(result).split("\n"))
assert new_len < original_len
result = result.format(max_rows=(None, 5))
new_len = len(repr(result).split("\n"))
assert new_len < original_len
assert repr(result) == repr(result.format())
def test_no_results(asdf_file):
result = asdf_file.search("missing")
assert len(result.nodes) == 0
assert "No results found." in repr(result)
assert result.node is None
assert result.path is None
# Testing no exceptions here:
result.replace("foo")
def test_recursive_tree():
tree = {"foo": {"bar": "baz"}}
af = AsdfFile(tree)
af.tree["foo"]["nested"] = af.tree["foo"]
result = af.search()
assert "(recursive reference)" in repr(result)
result = af.search("bar")
assert len(result.nodes) == 1
assert result.node == "baz"
result.replace("zap")
assert af["foo"]["bar"] == "zap"
assert af["foo"]["nested"]["bar"] == "zap"
def test_search():
tree = {"foo": 42, "bar": "hello", "baz": np.arange(20)}
af = AsdfFile(tree)
result = af.search("foo")
assert result.node == 42
result = af.search(type_="ndarray")
assert (result.node == tree["baz"]).all()
result = af.search(value="hello")
assert result.node == "hello"
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