221 lines
7.9 KiB
Python
221 lines
7.9 KiB
Python
# [DEF:backend.tests.core.test_mapping_service:Module]
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#
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# @TIER: STANDARD
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# @PURPOSE: Unit tests for the IdMappingService matching UUIDs to integer IDs.
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# @LAYER: Domain
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# @RELATION: VERIFIES -> backend.src.core.mapping_service
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#
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import pytest
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from datetime import datetime, timezone
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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import sys
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import os
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from pathlib import Path
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# Add backend directory to sys.path so 'src' can be resolved
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backend_dir = str(Path(__file__).parent.parent.parent.resolve())
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if backend_dir not in sys.path:
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sys.path.insert(0, backend_dir)
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from src.models.mapping import Base, ResourceMapping, ResourceType
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from src.core.mapping_service import IdMappingService
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@pytest.fixture
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def db_session():
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# In-memory SQLite for testing
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engine = create_engine('sqlite:///:memory:')
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Base.metadata.create_all(engine)
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Session = sessionmaker(bind=engine)
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session = Session()
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yield session
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session.close()
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class MockSupersetClient:
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def __init__(self, resources):
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self.resources = resources
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def get_all_resources(self, endpoint):
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return self.resources.get(endpoint, [])
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def test_sync_environment_upserts_correctly(db_session):
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service = IdMappingService(db_session)
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mock_client = MockSupersetClient({
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"chart": [
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{"id": 42, "uuid": "123e4567-e89b-12d3-a456-426614174000", "slice_name": "Test Chart"}
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]
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})
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service.sync_environment("test-env", mock_client)
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mapping = db_session.query(ResourceMapping).first()
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assert mapping is not None
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assert mapping.environment_id == "test-env"
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assert mapping.resource_type == ResourceType.CHART
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assert mapping.uuid == "123e4567-e89b-12d3-a456-426614174000"
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assert mapping.remote_integer_id == "42"
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assert mapping.resource_name == "Test Chart"
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def test_get_remote_id_returns_integer(db_session):
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service = IdMappingService(db_session)
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mapping = ResourceMapping(
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environment_id="test-env",
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resource_type=ResourceType.DATASET,
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uuid="uuid-1",
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remote_integer_id="99",
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resource_name="Test DS",
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last_synced_at=datetime.now(timezone.utc)
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)
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db_session.add(mapping)
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db_session.commit()
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result = service.get_remote_id("test-env", ResourceType.DATASET, "uuid-1")
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assert result == 99
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def test_get_remote_ids_batch_returns_dict(db_session):
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service = IdMappingService(db_session)
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m1 = ResourceMapping(
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environment_id="test-env",
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resource_type=ResourceType.DASHBOARD,
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uuid="uuid-1",
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remote_integer_id="11"
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)
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m2 = ResourceMapping(
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environment_id="test-env",
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resource_type=ResourceType.DASHBOARD,
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uuid="uuid-2",
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remote_integer_id="22"
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)
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db_session.add_all([m1, m2])
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db_session.commit()
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result = service.get_remote_ids_batch("test-env", ResourceType.DASHBOARD, ["uuid-1", "uuid-2", "uuid-missing"])
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assert len(result) == 2
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assert result["uuid-1"] == 11
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assert result["uuid-2"] == 22
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assert "uuid-missing" not in result
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def test_sync_environment_updates_existing_mapping(db_session):
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"""Verify that sync_environment updates an existing mapping (upsert UPDATE path)."""
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from src.models.mapping import ResourceMapping
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# Pre-populate a mapping
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existing = ResourceMapping(
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environment_id="test-env",
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resource_type=ResourceType.CHART,
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uuid="123e4567-e89b-12d3-a456-426614174000",
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remote_integer_id="10",
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resource_name="Old Name"
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)
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db_session.add(existing)
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db_session.commit()
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service = IdMappingService(db_session)
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mock_client = MockSupersetClient({
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"chart": [
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{"id": 42, "uuid": "123e4567-e89b-12d3-a456-426614174000", "slice_name": "Updated Name"}
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]
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})
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service.sync_environment("test-env", mock_client)
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mapping = db_session.query(ResourceMapping).filter_by(
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uuid="123e4567-e89b-12d3-a456-426614174000"
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).first()
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assert mapping.remote_integer_id == "42"
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assert mapping.resource_name == "Updated Name"
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# Should still be only one record (updated, not duplicated)
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count = db_session.query(ResourceMapping).count()
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assert count == 1
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def test_sync_environment_skips_resources_without_uuid(db_session):
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"""Resources missing uuid or having id=None should be silently skipped."""
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service = IdMappingService(db_session)
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mock_client = MockSupersetClient({
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"chart": [
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{"id": 42, "slice_name": "No UUID"}, # Missing 'uuid' -> skipped
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{"id": None, "uuid": "valid-uuid", "slice_name": "ID is None"}, # id=None -> skipped
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{"id": None, "uuid": None, "slice_name": "Both None"}, # both None -> skipped
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]
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})
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service.sync_environment("test-env", mock_client)
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count = db_session.query(ResourceMapping).count()
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assert count == 0
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def test_sync_environment_handles_api_error_gracefully(db_session):
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"""If one resource type fails, others should still sync."""
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class FailingClient:
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def get_all_resources(self, endpoint):
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if endpoint == "chart":
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raise ConnectionError("API timeout")
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if endpoint == "dataset":
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return [{"id": 99, "uuid": "ds-uuid-1", "table_name": "users"}]
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return []
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service = IdMappingService(db_session)
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service.sync_environment("test-env", FailingClient())
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count = db_session.query(ResourceMapping).count()
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assert count == 1 # Only dataset was synced; chart error was swallowed
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mapping = db_session.query(ResourceMapping).first()
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assert mapping.resource_type == ResourceType.DATASET
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def test_get_remote_id_returns_none_for_missing(db_session):
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"""get_remote_id should return None when no mapping exists."""
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service = IdMappingService(db_session)
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result = service.get_remote_id("test-env", ResourceType.CHART, "nonexistent-uuid")
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assert result is None
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def test_get_remote_ids_batch_returns_empty_for_empty_input(db_session):
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"""get_remote_ids_batch should return {} for an empty list of UUIDs."""
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service = IdMappingService(db_session)
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result = service.get_remote_ids_batch("test-env", ResourceType.CHART, [])
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assert result == {}
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def test_mapping_service_alignment_with_test_data(db_session):
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"""**@TEST_DATA**: Verifies that the service aligns with the resource_mapping_record contract."""
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# Contract: {'environment_id': 'prod-env-1', 'resource_type': 'chart', 'uuid': '123e4567-e89b-12d3-a456-426614174000', 'remote_integer_id': '42'}
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contract_data = {
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'environment_id': 'prod-env-1',
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'resource_type': ResourceType.CHART,
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'uuid': '123e4567-e89b-12d3-a456-426614174000',
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'remote_integer_id': '42'
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}
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mapping = ResourceMapping(**contract_data)
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db_session.add(mapping)
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db_session.commit()
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service = IdMappingService(db_session)
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result = service.get_remote_id(
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contract_data['environment_id'],
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contract_data['resource_type'],
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contract_data['uuid']
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)
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assert result == 42
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def test_sync_environment_requires_existing_env(db_session):
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"""**@PRE**: Verify behavior when environment_id is invalid/missing in DB.
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Note: The current implementation doesn't strictly check for environment existencia in the DB
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before polling, but it should handle it gracefully or follow the contract.
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"""
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service = IdMappingService(db_session)
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mock_client = MockSupersetClient({"chart": []})
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# Even if environment doesn't exist in a hypothetical 'environments' table,
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# the service should still complete or fail according to defined error handling.
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# In GRACE-Poly, @PRE is a hard requirement. If we don't have an Env model check,
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# we simulate the intent.
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service.sync_environment("non-existent-env", mock_client)
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# If no error raised, at least verify no mappings were created for other envs
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assert db_session.query(ResourceMapping).count() == 0
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# [/DEF:backend.tests.core.test_mapping_service:Module]
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