mirror of
https://github.com/explosion/spaCy.git
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e2b70df012
* Use isort with Black profile * isort all the things * Fix import cycles as a result of import sorting * Add DOCBIN_ALL_ATTRS type definition * Add isort to requirements * Remove isort from build dependencies check * Typo
155 lines
6.1 KiB
Python
155 lines
6.1 KiB
Python
import pytest
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from spacy.pipeline._parser_internals import nonproj
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from spacy.pipeline._parser_internals.nonproj import (
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ancestors,
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contains_cycle,
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is_nonproj_arc,
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is_nonproj_tree,
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)
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from spacy.tokens import Doc
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@pytest.fixture
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def tree():
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return [1, 2, 2, 4, 5, 2, 2]
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@pytest.fixture
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def cyclic_tree():
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return [1, 2, 2, 4, 5, 3, 2]
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@pytest.fixture
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def partial_tree():
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return [1, 2, 2, 4, 5, None, 7, 4, 2]
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@pytest.fixture
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def nonproj_tree():
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return [1, 2, 2, 4, 5, 2, 7, 4, 2]
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@pytest.fixture
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def proj_tree():
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return [1, 2, 2, 4, 5, 2, 7, 5, 2]
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@pytest.fixture
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def multirooted_tree():
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return [3, 2, 0, 3, 3, 7, 7, 3, 7, 10, 7, 10, 11, 12, 18, 16, 18, 17, 12, 3]
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def test_parser_ancestors(tree, cyclic_tree, partial_tree, multirooted_tree):
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assert [a for a in ancestors(3, tree)] == [4, 5, 2]
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assert [a for a in ancestors(3, cyclic_tree)] == [4, 5, 3, 4, 5, 3, 4]
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assert [a for a in ancestors(3, partial_tree)] == [4, 5, None]
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assert [a for a in ancestors(17, multirooted_tree)] == []
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def test_parser_contains_cycle(tree, cyclic_tree, partial_tree, multirooted_tree):
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assert contains_cycle(tree) is None
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assert contains_cycle(cyclic_tree) == {3, 4, 5}
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assert contains_cycle(partial_tree) is None
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assert contains_cycle(multirooted_tree) is None
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def test_parser_is_nonproj_arc(
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cyclic_tree, nonproj_tree, partial_tree, multirooted_tree
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):
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assert is_nonproj_arc(0, nonproj_tree) is False
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assert is_nonproj_arc(1, nonproj_tree) is False
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assert is_nonproj_arc(2, nonproj_tree) is False
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assert is_nonproj_arc(3, nonproj_tree) is False
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assert is_nonproj_arc(4, nonproj_tree) is False
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assert is_nonproj_arc(5, nonproj_tree) is False
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assert is_nonproj_arc(6, nonproj_tree) is False
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assert is_nonproj_arc(7, nonproj_tree) is True
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assert is_nonproj_arc(8, nonproj_tree) is False
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assert is_nonproj_arc(7, partial_tree) is False
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assert is_nonproj_arc(17, multirooted_tree) is False
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assert is_nonproj_arc(16, multirooted_tree) is True
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with pytest.raises(
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ValueError, match=r"Found cycle in dependency graph: \[1, 2, 2, 4, 5, 3, 2\]"
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):
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is_nonproj_arc(6, cyclic_tree)
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def test_parser_is_nonproj_tree(
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proj_tree, cyclic_tree, nonproj_tree, partial_tree, multirooted_tree
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):
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assert is_nonproj_tree(proj_tree) is False
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assert is_nonproj_tree(nonproj_tree) is True
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assert is_nonproj_tree(partial_tree) is False
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assert is_nonproj_tree(multirooted_tree) is True
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with pytest.raises(
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ValueError, match=r"Found cycle in dependency graph: \[1, 2, 2, 4, 5, 3, 2\]"
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):
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is_nonproj_tree(cyclic_tree)
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def test_parser_pseudoprojectivity(en_vocab):
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def deprojectivize(proj_heads, deco_labels):
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words = ["whatever "] * len(proj_heads)
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doc = Doc(en_vocab, words=words, deps=deco_labels, heads=proj_heads)
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nonproj.deprojectivize(doc)
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return [t.head.i for t in doc], [token.dep_ for token in doc]
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# fmt: off
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tree = [1, 2, 2]
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nonproj_tree = [1, 2, 2, 4, 5, 2, 7, 4, 2]
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nonproj_tree2 = [9, 1, 3, 1, 5, 6, 9, 8, 6, 1, 6, 12, 13, 10, 1]
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cyclic_tree = [1, 2, 2, 4, 5, 3, 2]
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labels = ["det", "nsubj", "root", "det", "dobj", "aux", "nsubj", "acl", "punct"]
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labels2 = ["advmod", "root", "det", "nsubj", "advmod", "det", "dobj", "det", "nmod", "aux", "nmod", "advmod", "det", "amod", "punct"]
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cyclic_labels = ["det", "nsubj", "root", "det", "dobj", "aux", "punct"]
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# fmt: on
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assert nonproj.decompose("X||Y") == ("X", "Y")
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assert nonproj.decompose("X") == ("X", "")
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assert nonproj.is_decorated("X||Y") is True
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assert nonproj.is_decorated("X") is False
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nonproj._lift(0, tree)
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assert tree == [2, 2, 2]
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assert nonproj.get_smallest_nonproj_arc_slow(nonproj_tree) == 7
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assert nonproj.get_smallest_nonproj_arc_slow(nonproj_tree2) == 10
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# fmt: off
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proj_heads, deco_labels = nonproj.projectivize(nonproj_tree, labels)
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with pytest.raises(ValueError, match=r'Found cycle in dependency graph: \[1, 2, 2, 4, 5, 3, 2\]'):
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nonproj.projectivize(cyclic_tree, cyclic_labels)
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assert proj_heads == [1, 2, 2, 4, 5, 2, 7, 5, 2]
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assert deco_labels == ["det", "nsubj", "root", "det", "dobj", "aux",
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"nsubj", "acl||dobj", "punct"]
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert deproj_heads == nonproj_tree
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assert undeco_labels == labels
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proj_heads, deco_labels = nonproj.projectivize(nonproj_tree2, labels2)
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assert proj_heads == [1, 1, 3, 1, 5, 6, 9, 8, 6, 1, 9, 12, 13, 10, 1]
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assert deco_labels == ["advmod||aux", "root", "det", "nsubj", "advmod",
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"det", "dobj", "det", "nmod", "aux", "nmod||dobj",
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"advmod", "det", "amod", "punct"]
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert deproj_heads == nonproj_tree2
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assert undeco_labels == labels2
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# if decoration is wrong such that there is no head with the desired label
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# the structure is kept and the label is undecorated
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proj_heads = [1, 2, 2, 4, 5, 2, 7, 5, 2]
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deco_labels = ["det", "nsubj", "root", "det", "dobj", "aux", "nsubj",
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"acl||iobj", "punct"]
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert deproj_heads == proj_heads
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assert undeco_labels == ["det", "nsubj", "root", "det", "dobj", "aux",
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"nsubj", "acl", "punct"]
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# if there are two potential new heads, the first one is chosen even if
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# it's wrong
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proj_heads = [1, 1, 3, 1, 5, 6, 9, 8, 6, 1, 9, 12, 13, 10, 1]
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deco_labels = ["advmod||aux", "root", "det", "aux", "advmod", "det",
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"dobj", "det", "nmod", "aux", "nmod||dobj", "advmod",
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"det", "amod", "punct"]
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deproj_heads, undeco_labels = deprojectivize(proj_heads, deco_labels)
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assert deproj_heads == [3, 1, 3, 1, 5, 6, 9, 8, 6, 1, 6, 12, 13, 10, 1]
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assert undeco_labels == ["advmod", "root", "det", "aux", "advmod", "det",
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"dobj", "det", "nmod", "aux", "nmod", "advmod",
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"det", "amod", "punct"]
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# fmt: on
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