mirror of
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539 lines
20 KiB
Python
539 lines
20 KiB
Python
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"""
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Tests for Cassandra triples query service
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"""
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import pytest
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from unittest.mock import MagicMock, patch
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from trustgraph.query.triples.cassandra.service import Processor
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from trustgraph.schema import Value
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class TestCassandraQueryProcessor:
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"""Test cases for Cassandra query processor"""
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@pytest.fixture
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def processor(self):
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"""Create a processor instance for testing"""
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return Processor(
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taskgroup=MagicMock(),
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id='test-cassandra-query',
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graph_host='localhost'
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)
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def test_create_value_with_http_uri(self, processor):
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"""Test create_value with HTTP URI"""
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result = processor.create_value("http://example.com/resource")
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assert isinstance(result, Value)
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assert result.value == "http://example.com/resource"
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assert result.is_uri is True
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def test_create_value_with_https_uri(self, processor):
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"""Test create_value with HTTPS URI"""
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result = processor.create_value("https://example.com/resource")
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assert isinstance(result, Value)
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assert result.value == "https://example.com/resource"
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assert result.is_uri is True
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def test_create_value_with_literal(self, processor):
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"""Test create_value with literal value"""
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result = processor.create_value("just a literal string")
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assert isinstance(result, Value)
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assert result.value == "just a literal string"
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assert result.is_uri is False
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def test_create_value_with_empty_string(self, processor):
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"""Test create_value with empty string"""
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result = processor.create_value("")
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assert isinstance(result, Value)
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assert result.value == ""
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assert result.is_uri is False
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def test_create_value_with_partial_uri(self, processor):
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"""Test create_value with string that looks like URI but isn't complete"""
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result = processor.create_value("http")
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assert isinstance(result, Value)
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assert result.value == "http"
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assert result.is_uri is False
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def test_create_value_with_ftp_uri(self, processor):
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"""Test create_value with FTP URI (should not be detected as URI)"""
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result = processor.create_value("ftp://example.com/file")
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assert isinstance(result, Value)
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assert result.value == "ftp://example.com/file"
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assert result.is_uri is False
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_spo_query(self, mock_trustgraph):
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"""Test querying triples with subject, predicate, and object specified"""
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from trustgraph.schema import TriplesQueryRequest, Value
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# Setup mock TrustGraph
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_tg_instance.get_spo.return_value = None # SPO query returns None if found
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processor = Processor(
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taskgroup=MagicMock(),
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id='test-cassandra-query',
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graph_host='localhost'
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)
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# Create query request with all SPO values
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=Value(value='test_subject', is_uri=False),
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p=Value(value='test_predicate', is_uri=False),
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o=Value(value='test_object', is_uri=False),
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limit=100
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)
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result = await processor.query_triples(query)
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# Verify TrustGraph was created with correct parameters
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mock_trustgraph.assert_called_once_with(
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hosts=['localhost'],
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keyspace='test_user',
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table='test_collection'
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)
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# Verify get_spo was called with correct parameters
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mock_tg_instance.get_spo.assert_called_once_with(
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'test_subject', 'test_predicate', 'test_object', limit=100
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)
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# Verify result contains the queried triple
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assert len(result) == 1
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assert result[0].s.value == 'test_subject'
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assert result[0].p.value == 'test_predicate'
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assert result[0].o.value == 'test_object'
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def test_processor_initialization_with_defaults(self):
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"""Test processor initialization with default parameters"""
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taskgroup_mock = MagicMock()
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processor = Processor(taskgroup=taskgroup_mock)
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assert processor.graph_host == ['localhost']
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assert processor.username is None
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assert processor.password is None
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assert processor.table is None
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def test_processor_initialization_with_custom_params(self):
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"""Test processor initialization with custom parameters"""
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taskgroup_mock = MagicMock()
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processor = Processor(
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taskgroup=taskgroup_mock,
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graph_host='cassandra.example.com',
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graph_username='queryuser',
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graph_password='querypass'
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)
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assert processor.graph_host == ['cassandra.example.com']
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assert processor.username == 'queryuser'
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assert processor.password == 'querypass'
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assert processor.table is None
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_sp_pattern(self, mock_trustgraph):
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"""Test SP query pattern (subject and predicate, no object)"""
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from trustgraph.schema import TriplesQueryRequest, Value
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# Setup mock TrustGraph and response
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_result = MagicMock()
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mock_result.o = 'result_object'
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mock_tg_instance.get_sp.return_value = [mock_result]
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processor = Processor(taskgroup=MagicMock())
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=Value(value='test_subject', is_uri=False),
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p=Value(value='test_predicate', is_uri=False),
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o=None,
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limit=50
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)
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result = await processor.query_triples(query)
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mock_tg_instance.get_sp.assert_called_once_with('test_subject', 'test_predicate', limit=50)
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assert len(result) == 1
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assert result[0].s.value == 'test_subject'
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assert result[0].p.value == 'test_predicate'
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assert result[0].o.value == 'result_object'
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_s_pattern(self, mock_trustgraph):
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"""Test S query pattern (subject only)"""
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from trustgraph.schema import TriplesQueryRequest, Value
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_result = MagicMock()
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mock_result.p = 'result_predicate'
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mock_result.o = 'result_object'
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mock_tg_instance.get_s.return_value = [mock_result]
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processor = Processor(taskgroup=MagicMock())
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=Value(value='test_subject', is_uri=False),
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p=None,
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o=None,
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limit=25
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)
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result = await processor.query_triples(query)
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mock_tg_instance.get_s.assert_called_once_with('test_subject', limit=25)
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assert len(result) == 1
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assert result[0].s.value == 'test_subject'
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assert result[0].p.value == 'result_predicate'
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assert result[0].o.value == 'result_object'
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_p_pattern(self, mock_trustgraph):
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"""Test P query pattern (predicate only)"""
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from trustgraph.schema import TriplesQueryRequest, Value
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_result = MagicMock()
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mock_result.s = 'result_subject'
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mock_result.o = 'result_object'
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mock_tg_instance.get_p.return_value = [mock_result]
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processor = Processor(taskgroup=MagicMock())
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=None,
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p=Value(value='test_predicate', is_uri=False),
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o=None,
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limit=10
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)
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result = await processor.query_triples(query)
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mock_tg_instance.get_p.assert_called_once_with('test_predicate', limit=10)
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assert len(result) == 1
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assert result[0].s.value == 'result_subject'
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assert result[0].p.value == 'test_predicate'
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assert result[0].o.value == 'result_object'
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_o_pattern(self, mock_trustgraph):
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"""Test O query pattern (object only)"""
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from trustgraph.schema import TriplesQueryRequest, Value
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_result = MagicMock()
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mock_result.s = 'result_subject'
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mock_result.p = 'result_predicate'
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mock_tg_instance.get_o.return_value = [mock_result]
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processor = Processor(taskgroup=MagicMock())
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=None,
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p=None,
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o=Value(value='test_object', is_uri=False),
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limit=75
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)
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result = await processor.query_triples(query)
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mock_tg_instance.get_o.assert_called_once_with('test_object', limit=75)
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assert len(result) == 1
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assert result[0].s.value == 'result_subject'
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assert result[0].p.value == 'result_predicate'
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assert result[0].o.value == 'test_object'
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@pytest.mark.asyncio
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@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
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async def test_query_triples_get_all_pattern(self, mock_trustgraph):
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"""Test query pattern with no constraints (get all)"""
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from trustgraph.schema import TriplesQueryRequest
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mock_tg_instance = MagicMock()
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mock_trustgraph.return_value = mock_tg_instance
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mock_result = MagicMock()
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mock_result.s = 'all_subject'
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mock_result.p = 'all_predicate'
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mock_result.o = 'all_object'
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mock_tg_instance.get_all.return_value = [mock_result]
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processor = Processor(taskgroup=MagicMock())
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query = TriplesQueryRequest(
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user='test_user',
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collection='test_collection',
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s=None,
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p=None,
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o=None,
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limit=1000
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)
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result = await processor.query_triples(query)
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mock_tg_instance.get_all.assert_called_once_with(limit=1000)
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assert len(result) == 1
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assert result[0].s.value == 'all_subject'
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assert result[0].p.value == 'all_predicate'
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assert result[0].o.value == 'all_object'
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def test_add_args_method(self):
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"""Test that add_args properly configures argument parser"""
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from argparse import ArgumentParser
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parser = ArgumentParser()
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# Mock the parent class add_args method
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with patch('trustgraph.query.triples.cassandra.service.TriplesQueryService.add_args') as mock_parent_add_args:
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Processor.add_args(parser)
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# Verify parent add_args was called
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mock_parent_add_args.assert_called_once_with(parser)
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# Verify our specific arguments were added
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args = parser.parse_args([])
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assert hasattr(args, 'graph_host')
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assert args.graph_host == 'localhost'
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assert hasattr(args, 'graph_username')
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assert args.graph_username is None
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assert hasattr(args, 'graph_password')
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assert args.graph_password is None
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def test_add_args_with_custom_values(self):
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"""Test add_args with custom command line values"""
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from argparse import ArgumentParser
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parser = ArgumentParser()
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with patch('trustgraph.query.triples.cassandra.service.TriplesQueryService.add_args'):
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Processor.add_args(parser)
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# Test parsing with custom values
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args = parser.parse_args([
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'--graph-host', 'query.cassandra.com',
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'--graph-username', 'queryuser',
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'--graph-password', 'querypass'
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])
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assert args.graph_host == 'query.cassandra.com'
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assert args.graph_username == 'queryuser'
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assert args.graph_password == 'querypass'
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def test_add_args_short_form(self):
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"""Test add_args with short form arguments"""
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from argparse import ArgumentParser
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parser = ArgumentParser()
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with patch('trustgraph.query.triples.cassandra.service.TriplesQueryService.add_args'):
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Processor.add_args(parser)
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# Test parsing with short form
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args = parser.parse_args(['-g', 'short.query.com'])
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assert args.graph_host == 'short.query.com'
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@patch('trustgraph.query.triples.cassandra.service.Processor.launch')
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def test_run_function(self, mock_launch):
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"""Test the run function calls Processor.launch with correct parameters"""
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from trustgraph.query.triples.cassandra.service import run, default_ident
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||
|
|
|
||
|
|
run()
|
||
|
|
|
||
|
|
mock_launch.assert_called_once_with(default_ident, '\nTriples query service. Input is a (s, p, o) triple, some values may be\nnull. Output is a list of triples.\n')
|
||
|
|
|
||
|
|
@pytest.mark.asyncio
|
||
|
|
@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
|
||
|
|
async def test_query_triples_with_authentication(self, mock_trustgraph):
|
||
|
|
"""Test querying with username and password authentication"""
|
||
|
|
from trustgraph.schema import TriplesQueryRequest, Value
|
||
|
|
|
||
|
|
mock_tg_instance = MagicMock()
|
||
|
|
mock_trustgraph.return_value = mock_tg_instance
|
||
|
|
mock_tg_instance.get_spo.return_value = None
|
||
|
|
|
||
|
|
processor = Processor(
|
||
|
|
taskgroup=MagicMock(),
|
||
|
|
graph_username='authuser',
|
||
|
|
graph_password='authpass'
|
||
|
|
)
|
||
|
|
|
||
|
|
query = TriplesQueryRequest(
|
||
|
|
user='test_user',
|
||
|
|
collection='test_collection',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=Value(value='test_predicate', is_uri=False),
|
||
|
|
o=Value(value='test_object', is_uri=False),
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
await processor.query_triples(query)
|
||
|
|
|
||
|
|
# Verify TrustGraph was created with authentication
|
||
|
|
mock_trustgraph.assert_called_once_with(
|
||
|
|
hosts=['localhost'],
|
||
|
|
keyspace='test_user',
|
||
|
|
table='test_collection',
|
||
|
|
username='authuser',
|
||
|
|
password='authpass'
|
||
|
|
)
|
||
|
|
|
||
|
|
@pytest.mark.asyncio
|
||
|
|
@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
|
||
|
|
async def test_query_triples_table_reuse(self, mock_trustgraph):
|
||
|
|
"""Test that TrustGraph is reused for same table"""
|
||
|
|
from trustgraph.schema import TriplesQueryRequest, Value
|
||
|
|
|
||
|
|
mock_tg_instance = MagicMock()
|
||
|
|
mock_trustgraph.return_value = mock_tg_instance
|
||
|
|
mock_tg_instance.get_spo.return_value = None
|
||
|
|
|
||
|
|
processor = Processor(taskgroup=MagicMock())
|
||
|
|
|
||
|
|
query = TriplesQueryRequest(
|
||
|
|
user='test_user',
|
||
|
|
collection='test_collection',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=Value(value='test_predicate', is_uri=False),
|
||
|
|
o=Value(value='test_object', is_uri=False),
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
# First query should create TrustGraph
|
||
|
|
await processor.query_triples(query)
|
||
|
|
assert mock_trustgraph.call_count == 1
|
||
|
|
|
||
|
|
# Second query with same table should reuse TrustGraph
|
||
|
|
await processor.query_triples(query)
|
||
|
|
assert mock_trustgraph.call_count == 1 # Should not increase
|
||
|
|
|
||
|
|
@pytest.mark.asyncio
|
||
|
|
@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
|
||
|
|
async def test_query_triples_table_switching(self, mock_trustgraph):
|
||
|
|
"""Test table switching creates new TrustGraph"""
|
||
|
|
from trustgraph.schema import TriplesQueryRequest, Value
|
||
|
|
|
||
|
|
mock_tg_instance1 = MagicMock()
|
||
|
|
mock_tg_instance2 = MagicMock()
|
||
|
|
mock_trustgraph.side_effect = [mock_tg_instance1, mock_tg_instance2]
|
||
|
|
|
||
|
|
processor = Processor(taskgroup=MagicMock())
|
||
|
|
|
||
|
|
# First query
|
||
|
|
query1 = TriplesQueryRequest(
|
||
|
|
user='user1',
|
||
|
|
collection='collection1',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=None,
|
||
|
|
o=None,
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
await processor.query_triples(query1)
|
||
|
|
assert processor.table == ('user1', 'collection1')
|
||
|
|
|
||
|
|
# Second query with different table
|
||
|
|
query2 = TriplesQueryRequest(
|
||
|
|
user='user2',
|
||
|
|
collection='collection2',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=None,
|
||
|
|
o=None,
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
await processor.query_triples(query2)
|
||
|
|
assert processor.table == ('user2', 'collection2')
|
||
|
|
|
||
|
|
# Verify TrustGraph was created twice
|
||
|
|
assert mock_trustgraph.call_count == 2
|
||
|
|
|
||
|
|
@pytest.mark.asyncio
|
||
|
|
@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
|
||
|
|
async def test_query_triples_exception_handling(self, mock_trustgraph):
|
||
|
|
"""Test exception handling during query execution"""
|
||
|
|
from trustgraph.schema import TriplesQueryRequest, Value
|
||
|
|
|
||
|
|
mock_tg_instance = MagicMock()
|
||
|
|
mock_trustgraph.return_value = mock_tg_instance
|
||
|
|
mock_tg_instance.get_spo.side_effect = Exception("Query failed")
|
||
|
|
|
||
|
|
processor = Processor(taskgroup=MagicMock())
|
||
|
|
|
||
|
|
query = TriplesQueryRequest(
|
||
|
|
user='test_user',
|
||
|
|
collection='test_collection',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=Value(value='test_predicate', is_uri=False),
|
||
|
|
o=Value(value='test_object', is_uri=False),
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
with pytest.raises(Exception, match="Query failed"):
|
||
|
|
await processor.query_triples(query)
|
||
|
|
|
||
|
|
@pytest.mark.asyncio
|
||
|
|
@patch('trustgraph.query.triples.cassandra.service.TrustGraph')
|
||
|
|
async def test_query_triples_multiple_results(self, mock_trustgraph):
|
||
|
|
"""Test query returning multiple results"""
|
||
|
|
from trustgraph.schema import TriplesQueryRequest, Value
|
||
|
|
|
||
|
|
mock_tg_instance = MagicMock()
|
||
|
|
mock_trustgraph.return_value = mock_tg_instance
|
||
|
|
|
||
|
|
# Mock multiple results
|
||
|
|
mock_result1 = MagicMock()
|
||
|
|
mock_result1.o = 'object1'
|
||
|
|
mock_result2 = MagicMock()
|
||
|
|
mock_result2.o = 'object2'
|
||
|
|
mock_tg_instance.get_sp.return_value = [mock_result1, mock_result2]
|
||
|
|
|
||
|
|
processor = Processor(taskgroup=MagicMock())
|
||
|
|
|
||
|
|
query = TriplesQueryRequest(
|
||
|
|
user='test_user',
|
||
|
|
collection='test_collection',
|
||
|
|
s=Value(value='test_subject', is_uri=False),
|
||
|
|
p=Value(value='test_predicate', is_uri=False),
|
||
|
|
o=None,
|
||
|
|
limit=100
|
||
|
|
)
|
||
|
|
|
||
|
|
result = await processor.query_triples(query)
|
||
|
|
|
||
|
|
assert len(result) == 2
|
||
|
|
assert result[0].o.value == 'object1'
|
||
|
|
assert result[1].o.value == 'object2'
|