mirror of https://github.com/explosion/spaCy.git
49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
from spacy.tokens.doc import Doc
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from spacy.tokens.graph import Graph
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from spacy.vocab import Vocab
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def test_graph_init():
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doc = Doc(Vocab(), words=["a", "b", "c", "d"])
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graph = Graph(doc, name="hello")
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assert graph.name == "hello"
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assert graph.doc is doc
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def test_graph_edges_and_nodes():
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doc = Doc(Vocab(), words=["a", "b", "c", "d"])
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graph = Graph(doc, name="hello")
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node1 = graph.add_node((0,))
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assert graph.get_node((0,)) == node1
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node2 = graph.add_node((1, 3))
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assert list(node2) == [1, 3]
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graph.add_edge(node1, node2, label="one", weight=-10.5)
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assert graph.has_edge(node1, node2, label="one")
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assert node1.heads() == []
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assert [tuple(h) for h in node2.heads()] == [(0,)]
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assert [tuple(t) for t in node1.tails()] == [(1, 3)]
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assert [tuple(t) for t in node2.tails()] == []
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def test_graph_walk():
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doc = Doc(Vocab(), words=["a", "b", "c", "d"])
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graph = Graph(
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doc,
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name="hello",
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nodes=[(0,), (1,), (2,), (3,)],
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edges=[(0, 1), (0, 2), (0, 3), (3, 0)],
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labels=None,
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weights=None,
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)
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node0, node1, node2, node3 = list(graph.nodes)
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assert [tuple(h) for h in node0.heads()] == [(3,)]
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assert [tuple(h) for h in node1.heads()] == [(0,)]
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assert [tuple(h) for h in node0.walk_heads()] == [(3,), (0,)]
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assert [tuple(h) for h in node1.walk_heads()] == [(0,), (3,), (0,)]
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assert [tuple(h) for h in node2.walk_heads()] == [(0,), (3,), (0,)]
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assert [tuple(h) for h in node3.walk_heads()] == [(0,), (3,)]
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assert [tuple(t) for t in node0.walk_tails()] == [(1,), (2,), (3,), (0,)]
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assert [tuple(t) for t in node1.walk_tails()] == []
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assert [tuple(t) for t in node2.walk_tails()] == []
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assert [tuple(t) for t in node3.walk_tails()] == [(0,), (1,), (2,), (3,)]
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