Add integration test to cover the expected behaviour when rendering D…

…AG with multiple tests

tests/test_converter.py

@@ -16,6 +16,7 @@
 SAMPLE_PROFILE_YML = Path(__file__).parent / "sample/profiles.yml"
 SAMPLE_DBT_PROJECT = Path(__file__).parent / "sample/"
 SAMPLE_DBT_MANIFEST = Path(__file__).parent / "sample/manifest.json"
+MULTIPLE_PARENTS_TEST_DBT_PROJECT = Path(__file__).parent.parent / "dev/dags/dbt/multiple_parents_test/"
 
 
 @pytest.mark.parametrize("argument_key", ["tags", "paths"])
@@ -164,6 +165,46 @@ def test_converter_creates_dag_with_seed(mock_load_dbt_graph, execution_mode, op
     assert converter
 
 
+@pytest.mark.integration
+def test_converter_creates_dag_with_test_with_multiple_parents():
+    """
+    Validate topology of a project that uses the MULTIPLE_PARENTS_TEST_DBT_PROJECT project
+    """
+    project_config = ProjectConfig(dbt_project_path=MULTIPLE_PARENTS_TEST_DBT_PROJECT)
+    execution_config = ExecutionConfig(execution_mode=ExecutionMode.LOCAL)
+    profile_config = ProfileConfig(
+        profile_name="default",
+        target_name="dev",
+        profile_mapping=PostgresUserPasswordProfileMapping(
+            conn_id="example_conn",
+            profile_args={"schema": "public"},
+            disable_event_tracking=True,
+        ),
+    )
+    with DAG("sample_dag", start_date=datetime(2024, 4, 16)) as dag:
+        converter = DbtToAirflowConverter(
+            dag=dag, project_config=project_config, profile_config=profile_config, execution_config=execution_config
+        )
+    tasks = converter.tasks_map
+
+    assert len(converter.tasks_map) == 4
+
+    # We exclude the test that depends on combined_model and model_a from their commands
+    args = tasks["model.my_dbt_project.combined_model"].children["combined_model.test"].build_cmd({})[0]
+    assert args[1:] == ["test", "--exclude", "custom_test_combined_model_combined_model_", "--models", "combined_model"]
+
+    args = tasks["model.my_dbt_project.model_a"].children["model_a.test"].build_cmd({})[0]
+    assert args[1:] == ["test", "--exclude", "custom_test_combined_model_combined_model_", "--models", "model_a"]
+
+    # The test for model_b should not be changed, since it is not a parent of this test
+    args = tasks["model.my_dbt_project.model_b"].children["model_b.test"].build_cmd({})[0]
+    assert args[1:] == ["test", "--models", "model_b"]
+
+    # We should have a task dedicated to run the test with multiple parents
+    args = tasks["test.my_dbt_project.custom_test_combined_model_combined_model_.c6e4587380"].build_cmd({})[0]
+    assert args[1:] == ["test", "--select", "custom_test_combined_model_combined_model_.c6e4587380"]
+
+
 @pytest.mark.parametrize(
     "execution_mode,operator_args",
     [