[Backport 1.8.latest] Limit data test deprecation warning to root_pro…

…ject (#10375) (#10379)

.changes/unreleased/Fixes-20240627-154448.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Limit data_tests deprecation to root_project
+time: 2024-06-27T15:44:48.579869-04:00
+custom:
+  Author: gshank
+  Issue: "9835"

core/dbt/contracts/graph/nodes.py

@@ -1096,7 +1096,7 @@ def get_full_source_name(self):
     def get_source_representation(self):
         return f'source("{self.source.name}", "{self.table.name}")'
 
-    def validate_data_tests(self):
+    def validate_data_tests(self, is_root_project: bool):
         """
         sources parse tests differently than models, so we need to do some validation
         here where it's done in the PatchParser for other nodes
@@ -1107,11 +1107,12 @@ def validate_data_tests(self):
                 "Invalid test config: cannot have both 'tests' and 'data_tests' defined"
             )
         if self.tests:
-            deprecations.warn(
-                "project-test-config",
-                deprecated_path="tests",
-                exp_path="data_tests",
-            )
+            if is_root_project:
+                deprecations.warn(
+                    "project-test-config",
+                    deprecated_path="tests",
+                    exp_path="data_tests",
+                )
             self.data_tests.extend(self.tests)
             self.tests.clear()
 
@@ -1122,11 +1123,12 @@ def validate_data_tests(self):
                     "Invalid test config: cannot have both 'tests' and 'data_tests' defined"
                 )
             if column.tests:
-                deprecations.warn(
-                    "project-test-config",
-                    deprecated_path="tests",
-                    exp_path="data_tests",
-                )
+                if is_root_project:
+                    deprecations.warn(
+                        "project-test-config",
+                        deprecated_path="tests",
+                        exp_path="data_tests",
+                    )
                 column.data_tests.extend(column.tests)
                 column.tests.clear()
 
@@ -1144,7 +1146,6 @@ def columns(self) -> Sequence[UnparsedColumn]:
         return [] if self.table.columns is None else self.table.columns
 
     def get_tests(self) -> Iterator[Tuple[Dict[str, Any], Optional[UnparsedColumn]]]:
-        self.validate_data_tests()
         for data_test in self.data_tests:
             yield normalize_test(data_test), None
 

core/dbt/parser/schemas.py

@@ -542,37 +542,44 @@ def normalize_contract_attribute(self, data, path):
     def normalize_access_attribute(self, data, path):
         return self.normalize_attribute(data, path, "access")
 
+    @property
+    def is_root_project(self):
+        if self.root_project.project_name == self.project.project_name:
+            return True
+        return False
+
     def validate_data_tests(self, data):
         # Rename 'tests' -> 'data_tests' at both model-level and column-level
         # Raise a validation error if the user has defined both names
-        def validate_and_rename(data):
+        def validate_and_rename(data, is_root_project: bool):
             if data.get("tests"):
                 if "tests" in data and "data_tests" in data:
                     raise ValidationError(
                         "Invalid test config: cannot have both 'tests' and 'data_tests' defined"
                     )
-                deprecations.warn(
-                    "project-test-config",
-                    deprecated_path="tests",
-                    exp_path="data_tests",
-                )
+                if is_root_project:
+                    deprecations.warn(
+                        "project-test-config",
+                        deprecated_path="tests",
+                        exp_path="data_tests",
+                    )
                 data["data_tests"] = data.pop("tests")
 
         # model-level tests
-        validate_and_rename(data)
+        validate_and_rename(data, self.is_root_project)
 
         # column-level tests
         if data.get("columns"):
             for column in data["columns"]:
-                validate_and_rename(column)
+                validate_and_rename(column, self.is_root_project)
 
         # versioned models
         if data.get("versions"):
             for version in data["versions"]:
-                validate_and_rename(version)
+                validate_and_rename(version, self.is_root_project)
                 if version.get("columns"):
                     for column in version["columns"]:
-                        validate_and_rename(column)
+                        validate_and_rename(column, self.is_root_project)
 
     def patch_node_config(self, node, patch):
         if "access" in patch.config:

core/dbt/parser/sources.py

@@ -232,6 +232,8 @@ def get_generic_test_parser_for(self, package_name: str) -> "SchemaGenericTestPa
         return generic_test_parser
 
     def get_source_tests(self, target: UnpatchedSourceDefinition) -> Iterable[GenericTestNode]:
+        is_root_project = True if self.root_project.project_name == target.package_name else False
+        target.validate_data_tests(is_root_project)
         for data_test, column in target.get_tests():
             yield self.parse_source_test(
                 target=target,

tests/functional/dependencies/test_local_dependency.py

@@ -9,12 +9,13 @@
 from pathlib import Path
 from unittest import mock
 
+from dbt import deprecations
 import dbt_common.semver as semver
 import dbt_common.exceptions
 import dbt.config
 import dbt.exceptions
 
-from dbt.tests.util import check_relations_equal, run_dbt, run_dbt_and_capture
+from dbt.tests.util import check_relations_equal, run_dbt, run_dbt_and_capture, write_file
 from tests.functional.utils import up_one
 
 models__dep_source = """
@@ -353,3 +354,36 @@ def test_local_dependency_same_name_sneaky(self, prepare_dependencies, project):
 
         # needed to avoid compilation errors from duplicate package names in test autocleanup
         run_dbt(["clean"])
+
+
+source_with_tests = """
+sources:
+  - name: my_source
+    schema: invalid_schema
+    tables:
+      - name: my_table
+  - name: seed_source
+    schema: "{{ var('schema_override', target.schema) }}"
+    tables:
+      - name: "seed"
+        identifier: "seed_subpackage_generate_alias_name"
+        columns:
+          - name: id
+            tests:
+              - unique
+              - not_null
+"""
+
+
+class TestDependencyTestsConfig(BaseDependencyTest):
+    def test_dependency_tests_config(self, project):
+        run_dbt(["deps"])
+        # Write a file to local_dependency with a "tests" config
+        write_file(
+            source_with_tests, project.project_root, "local_dependency", "models", "schema.yml"
+        )
+        run_dbt(["parse"])
+        # Check that project-test-config is NOT in active deprecations, since "tests" is only
+        # in a dependent project.
+        expected = set()
+        assert expected == deprecations.active_deprecations