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"""Relative JSON Pointer test cases."""
import pytest
from jsonpath import JSONPointer
from jsonpath import RelativeJSONPointer
from jsonpath import RelativeJSONPointerIndexError
from jsonpath import RelativeJSONPointerSyntaxError
def test_syntax_error() -> None:
with pytest.raises(RelativeJSONPointerSyntaxError):
RelativeJSONPointer("foo")
def test_origin_leading_zero() -> None:
with pytest.raises(RelativeJSONPointerSyntaxError):
RelativeJSONPointer("01")
def test_origin_beyond_pointer() -> None:
pointer = JSONPointer("/foo/bar/0")
rel = RelativeJSONPointer("9/foo")
with pytest.raises(RelativeJSONPointerIndexError):
rel.to(pointer)
def test_equality() -> None:
rel = RelativeJSONPointer("1/foo")
assert rel == RelativeJSONPointer("1/foo")
def test_zero_index_offset() -> None:
with pytest.raises(RelativeJSONPointerSyntaxError):
RelativeJSONPointer("1-0")
with pytest.raises(RelativeJSONPointerSyntaxError):
RelativeJSONPointer("1+0")
def test_negative_index_offset() -> None:
pointer = JSONPointer("/foo/1")
rel = RelativeJSONPointer("0-2")
with pytest.raises(RelativeJSONPointerIndexError):
rel.to(pointer)
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