255 lines
8.9 KiB
Python
255 lines
8.9 KiB
Python
import tantivy
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import pytest
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from tantivy import Document, Index, SchemaBuilder, Schema
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def schema():
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return SchemaBuilder().add_text_field("title", stored=True).add_text_field("body").build()
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def create_index(dir=None):
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# assume all tests will use the same documents for now
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# other methods may set up function-local indexes
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index = Index(schema(), dir)
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writer = index.writer()
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# 2 ways of adding documents
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# 1
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doc = Document()
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# create a document instance
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# add field-value pairs
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doc.add_text("title", "The Old Man and the Sea")
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doc.add_text(
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"body",
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(
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"He was an old man who fished alone in a skiff in"
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"the Gulf Stream and he had gone eighty-four days "
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"now without taking a fish."
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),
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)
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writer.add_document(doc)
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# 2 use the built-in json support
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# keys need to coincide with field names
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doc = Document.from_dict(
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{
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"title": "Of Mice and Men",
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"body": (
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"A few miles south of Soledad, the Salinas River drops "
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"in close to the hillside bank and runs deep and "
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"green. The water is warm too, for it has slipped "
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"twinkling over the yellow sands in the sunlight "
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"before reaching the narrow pool. On one side of the "
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"river the golden foothill slopes curve up to the "
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"strong and rocky Gabilan Mountains, but on the valley "
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"side the water is lined with trees—willows fresh and "
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"green with every spring, carrying in their lower leaf "
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"junctures the debris of the winter’s flooding; and "
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"sycamores with mottled, white, recumbent limbs and "
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"branches that arch over the pool"
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),
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}
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)
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writer.add_document(doc)
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writer.add_json(
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"""{
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"title": ["Frankenstein", "The Modern Prometheus"],
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"body": "You will rejoice to hear that no disaster has accompanied the commencement of an enterprise which you have regarded with such evil forebodings. I arrived here yesterday, and my first task is to assure my dear sister of my welfare and increasing confidence in the success of my undertaking."
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}"""
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)
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writer.commit()
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index.reload()
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return index
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@pytest.fixture()
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def dir_index(tmpdir):
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return (tmpdir, create_index(str(tmpdir)))
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@pytest.fixture(scope="class")
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def ram_index():
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return create_index()
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class TestClass(object):
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def test_simple_search_in_dir(self, dir_index):
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_, index = dir_index
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query = index.parse_query("sea whale", ["title", "body"])
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top_docs = tantivy.TopDocs(10)
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result = index.searcher().search(query, top_docs)
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assert len(result) == 1
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def test_simple_search_after_reuse(self, dir_index):
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index_dir, _ = dir_index
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index = Index(schema(), str(index_dir))
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query = index.parse_query("sea whale", ["title", "body"])
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top_docs = tantivy.TopDocs(10)
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result = index.searcher().search(query, top_docs)
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assert len(result) == 1
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def test_simple_search_in_ram(self, ram_index):
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index = ram_index
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query = index.parse_query("sea whale", ["title", "body"])
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top_docs = tantivy.TopDocs(10)
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result = index.searcher().search(query, top_docs)
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assert len(result) == 1
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_, doc_address = result[0]
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searched_doc = index.searcher().doc(doc_address)
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assert searched_doc["title"] == ["The Old Man and the Sea"]
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def test_and_query(self, ram_index):
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index = ram_index
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query = index.parse_query("title:men AND body:summer", default_field_names=["title", "body"])
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# look for an intersection of documents
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top_docs = tantivy.TopDocs(10)
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searcher = index.searcher()
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result = searcher.search(query, top_docs)
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# summer isn't present
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assert len(result) == 0
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query = index.parse_query("title:men AND body:winter", ["title", "body"])
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result = searcher.search(query, top_docs)
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assert len(result) == 1
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def test_and_query_parser_default_fields(self, ram_index):
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query = ram_index.parse_query("winter", default_field_names=["title"])
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assert repr(query) == """Query(TermQuery(Term(field=0,bytes=[119, 105, 110, 116, 101, 114])))"""
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def test_and_query_parser_default_fields_undefined(self, ram_index):
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query = ram_index.parse_query("winter")
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assert (
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repr(query) == "Query(BooleanQuery { subqueries: ["
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"(Should, TermQuery(Term(field=0,bytes=[119, 105, 110, 116, 101, 114]))), "
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"(Should, TermQuery(Term(field=1,bytes=[119, 105, 110, 116, 101, 114])))] "
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"})"
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)
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def test_query_errors(self, ram_index):
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index = ram_index
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# no "bod" field
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with pytest.raises(ValueError):
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index.parse_query("bod:men", ["title", "body"])
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class TestUpdateClass(object):
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def test_delete_update(self, ram_index):
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query = ram_index.parse_query("Frankenstein", ["title"])
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top_docs = tantivy.TopDocs(10)
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result = ram_index.searcher().search(query, top_docs)
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assert len(result) == 1
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writer = ram_index.writer()
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with pytest.raises(ValueError):
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writer.delete_documents("fake_field", "frankenstein")
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with pytest.raises(ValueError):
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writer.delete_documents("title", b"frankenstein")
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writer.delete_documents("title", "frankenstein")
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writer.commit()
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ram_index.reload()
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result = ram_index.searcher().search(query, top_docs)
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assert len(result) == 0
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PATH_TO_INDEX = "tests/test_index/"
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class TestFromDiskClass(object):
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def test_exists(self):
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# prefer to keep it separate in case anyone deletes this
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# runs from the root directory
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assert Index.exists(PATH_TO_INDEX)
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def test_opens_from_dir_invalid_schema(self):
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with pytest.raises(ValueError):
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index = Index(schema(), PATH_TO_INDEX, reuse=True)
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def test_opens_from_dir(self, dir_index):
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index_dir, _ = dir_index
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index = Index(schema(), str(index_dir), reuse=True)
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assert index.searcher().num_docs == 3
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def test_create_readers(self):
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# not sure what is the point of this test.
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idx = Index(schema())
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idx.config_reader("Manual", 4)
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assert idx.searcher().num_docs == 0
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# by default this is manual mode
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writer = idx.writer(30000000, 1)
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writer.add_document(Document(title="mytitle", body="mybody"))
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writer.commit()
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assert idx.searcher().num_docs == 0
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# Manual is the default setting.
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# In this case, change are reflected only when
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# the index is manually reloaded.
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idx.reload()
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assert idx.searcher().num_docs == 1
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idx.config_reader("OnCommit", 4)
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writer.add_document(Document(title="mytitle2", body="mybody2"))
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writer.commit()
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import time
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for i in range(50):
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# The index should be automatically reloaded.
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# Wait for at most 5s for it to happen.
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time.sleep(0.1)
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if idx.searcher().num_docs == 2:
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return
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assert False
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class TestSearcher(object):
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def test_searcher_repr(self, ram_index):
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assert repr(ram_index.searcher()) == "Searcher(num_docs=3, num_segments=1)"
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class TestDocument(object):
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def test_document(self):
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doc = tantivy.Document(name="Bill", reference=[1, 2])
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assert doc["reference"] == [1, 2]
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assert doc["name"] == ["Bill"]
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assert doc.get_first("name") == "Bill"
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assert doc.get_first("reference") == 1
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assert doc.to_dict() == {"name": ["Bill"], "reference": [1, 2]}
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def test_document_with_date(self):
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import datetime
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date = datetime.datetime(2019, 8, 12, 13, 0, 0)
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doc = tantivy.Document(name="Bill", date=date)
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assert doc["date"][0] == date
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def test_document_repr(self):
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doc = tantivy.Document(name="Bill", reference=[1, 2])
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assert repr(doc) == "Document(name=[Bill],reference=[1,2])"
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def test_document_with_facet(self):
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doc = tantivy.Document()
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facet = tantivy.Facet.from_string("/europe/france")
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doc.add_facet("facet", facet)
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assert doc["facet"][0].to_path() == ["europe", "france"]
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doc = tantivy.Document()
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facet = tantivy.Facet.from_string("/asia\\/oceania/fiji")
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doc.add_facet("facet", facet)
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assert doc["facet"][0].to_path() == ["asia/oceania", "fiji"]
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assert doc["facet"][0].to_path_str() == "/asia\\/oceania/fiji"
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assert repr(doc["facet"][0]) == "Facet(/asia\\/oceania/fiji)"
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doc = tantivy.Document(facet=facet)
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assert doc["facet"][0].to_path() == ["asia/oceania", "fiji"]
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def test_document_error(self):
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with pytest.raises(ValueError):
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tantivy.Document(name={})
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