add unit tests

dbt/adapters/snowflake/connections.py

@@ -42,7 +42,7 @@
 from dbt.adapters.base import Credentials  # type: ignore
 from dbt.contracts.connection import AdapterResponse, Connection
 from dbt.adapters.sql import SQLConnectionManager  # type: ignore
-from dbt.common.events import AdapterLogger  # type: ignore
+from dbt.events import AdapterLogger  # type: ignore
 from dbt.events.functions import warn_or_error
 from dbt.events.types import AdapterEventWarning
 from dbt.ui import line_wrap_message, warning_tag

tests/unit/test_connections.py

@@ -0,0 +1,24 @@
+import os
+from unittest.mock import Mock
+
+import dbt.events
+
+
+def test_connections_sets_logs_in_response_to_env_var(monkeypatch):
+    """Test that setting the DBT_SNOWFLAKE_CONNECTOR_DEBUG_LOGGING environment variable happens on import"""
+    log_mock = Mock()
+    monkeypatch.setattr(dbt.events, "AdapterLogger", Mock(return_value=log_mock))
+    os.environ["DBT_SNOWFLAKE_CONNECTOR_DEBUG_LOGGING"] = "true"
+    import dbt.adapters.snowflake.connections as connections  # noqa
+
+    assert log_mock.debug.call_count == 3
+    assert log_mock.set_adapter_dependency_log_level.call_count == 3
+
+
+def test_connections_does_not_set_logs_in_response_to_env_var(monkeypatch):
+    log_mock = Mock()
+    monkeypatch.setattr(dbt.events, "AdapterLogger", Mock(return_value=log_mock))
+    import dbt.adapters.snowflake.connections as connections  # noqa
+
+    assert log_mock.debug.call_count == 0
+    assert log_mock.set_adapter_dependency_log_level.call_count == 0