Add code in parser/partial.py. Breaking test for meta.

core/dbt/parser/partial.py

@@ -725,6 +725,7 @@ def handle_change(key: str, delete: Callable):
         handle_change("semantic_models", self.delete_schema_semantic_model)
         handle_change("unit_tests", self.delete_schema_unit_test)
         handle_change("saved_queries", self.delete_schema_saved_query)
+        handle_change("data_tests", self.delete_schema_data_test_patch)
 
     def _handle_element_change(
         self, schema_file, saved_yaml_dict, new_yaml_dict, env_var_changes, dict_key: str, delete
@@ -919,6 +920,24 @@ def delete_schema_macro_patch(self, schema_file, macro):
                 self.saved_files[macro_file_id] = deepcopy(self.new_files[macro_file_id])
                 self.add_to_pp_files(self.saved_files[macro_file_id])
 
+    def delete_schema_data_test_patch(self, schema_file, data_test):
+        print(f"--- in delete_schema_data_test_patch")
+        data_test_unique_id = None
+        for unique_id in schema_file.node_patches:
+            if not unique_id.startswith("test"):
+                continue
+            parts = unique_id.split(".")
+            elem_name = parts[2]
+            if elem_name == data_test["name"]:
+                data_test_unique_id = unique_id
+                break
+        if data_test_unique_id and data_test_unique_id in self.saved_manifest.nodes:
+            singular_data_test = self.saved_manifest.nodes.pop(data_test_unique_id)
+            file_id = singular_data_test.file_id
+            if file_id in self.new_files:
+                self.saved_files[file_id] = deepcopy(self.new_files[file_id])
+                self.add_to_pp_files(self.saved_files[file_id])
+
     # exposures are created only from schema files, so just delete
     # the exposure or the disabled exposure.
     def delete_schema_exposure(self, schema_file, exposure_dict):

tests/functional/data_test_patch/fixtures.py

@@ -24,7 +24,7 @@
     config:
       error_if: ">10"
     meta:
-      some_key: some_val
+      some_key: another_val
 """
 
 tests__doc_block_md = """

tests/functional/data_test_patch/test_singular_test_patch.py

@@ -2,7 +2,7 @@
 
 import pytest
 
-from dbt.tests.util import get_artifact, run_dbt, run_dbt_and_capture, write_file
+from dbt.tests.util import get_manifest, run_dbt, run_dbt_and_capture, write_file
 from tests.functional.data_test_patch.fixtures import (
     tests__doc_block_md,
     tests__invalid_name_schema_yml,
@@ -24,19 +24,22 @@ def tests(self):
 
     def test_compile(self, project):
         run_dbt(["compile"])
-        manifest = get_artifact(project.project_root, "target", "manifest.json")
-        assert len(manifest["nodes"]) == 1
+        manifest = get_manifest(project.project_root)
+        assert len(manifest.nodes) == 1
 
-        my_singular_test_node = manifest["nodes"]["test.test.my_singular_test"]
-        assert my_singular_test_node["description"] == "Some docs from a doc block"
-        assert my_singular_test_node["config"]["error_if"] == ">10"
-        assert my_singular_test_node["config"]["meta"] == {"some_key": "some_val"}
+        my_singular_test_node = manifest.nodes["test.test.my_singular_test"]
+        assert my_singular_test_node.description == "Some docs from a doc block"
+        assert my_singular_test_node.config.error_if == ">10"
+        assert my_singular_test_node.config.meta == {"some_key": "some_val"}
+        assert my_singular_test_node.meta == {"some_key": "some_val"}
 
         # partial parsing test
         write_file(tests__schema_2_yml, project.project_root, "tests", "schema.yml")
         manifest = run_dbt(["parse"])
         test_node = manifest.nodes["test.test.my_singular_test"]
         assert test_node.description == "My singular test description"
+        print(f"--- config.meta: {test_node.config.meta}")
+        print(f"--- node.meta: {test_node.meta}")
 
 
 class TestPatchSingularTestInvalidName: