Add parser test for conversion metrics.

metricflow-semantics/tests_metricflow_semantics/query/test_conversion_metrics.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+import pytest
+from _pytest.fixtures import FixtureRequest
+from metricflow_semantics.model.semantic_manifest_lookup import SemanticManifestLookup
+from metricflow_semantics.query.query_parser import MetricFlowQueryParser
+from metricflow_semantics.test_helpers.config_helpers import MetricFlowTestConfiguration
+from metricflow_semantics.test_helpers.snapshot_helpers import assert_object_snapshot_equal
+
+
+@pytest.fixture(scope="module")
+def query_parser(simple_semantic_manifest) -> MetricFlowQueryParser:  # noqa: D103
+    return MetricFlowQueryParser(SemanticManifestLookup(simple_semantic_manifest))
+
+
+@pytest.mark.sql_engine_snapshot
+def test_conversion_rate_with_constant_properties(  # noqa: D103
+    request: FixtureRequest,
+    mf_test_configuration: MetricFlowTestConfiguration,
+    query_parser: MetricFlowQueryParser,
+) -> None:
+    result = query_parser.parse_and_validate_query(
+        metric_names=("visit_buy_conversion_rate_by_session",),
+        group_by_names=("visit__referrer_id", "user__home_state_latest", "metric_time"),
+    )
+
+    assert_object_snapshot_equal(
+        request=request,
+        mf_test_configuration=mf_test_configuration,
+        obj=result,
+    )

metricflow-semantics/tests_metricflow_semantics/snapshots/test_conversion_metrics.py/ParseQueryResult/test_conversion_rate_with_constant_properties__result.txt

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+ParseQueryResult(
+  query_spec=MetricFlowQuerySpec(
+    metric_specs=(MetricSpec(element_name='visit_buy_conversion_rate_by_session'),),
+    dimension_specs=(
+      DimensionSpec(
+        element_name='referrer_id',
+        entity_links=(EntityReference(element_name='visit'),),
+      ),
+      DimensionSpec(
+        element_name='home_state_latest',
+        entity_links=(EntityReference(element_name='user'),),
+      ),
+    ),
+    time_dimension_specs=(TimeDimensionSpec(element_name='metric_time', time_granularity=DAY),),
+    filter_intersection=PydanticWhereFilterIntersection(),
+    filter_spec_resolution_lookup=FilterSpecResolutionLookUp(),
+    min_max_only=False,
+  ),
+  queried_semantic_models=(
+    SemanticModelReference(semantic_model_name='buys_source'),
+    SemanticModelReference(semantic_model_name='users_latest'),
+    SemanticModelReference(semantic_model_name='visits_source'),
+  ),
+)