Add unit test for separate dbt test

Author: jochemvandooren

src/dbt_score/models.py

@@ -435,20 +435,17 @@ def _reindex_tests(self) -> None:
         """Index tests based on their associated evaluable."""
         for node_values in self.raw_nodes.values():
             if node_values.get("resource_type") == "test":
-                # tests for models have a non-null value for `attached_node`
+                # Tests for models have a non-null value for `attached_node`
                 if attached_node := node_values.get("attached_node"):
                     self.tests[attached_node].append(node_values)
 
-                # Tests for sources will have a null `attached_node`,
-                # and a non-empty list for `sources`.
-                # They need to be attributed to the source id
+                # Tests for sources or separate tests will have `attached_node` == null.
+                # They need to be attributed to the node id
                 # based on the `depends_on` field.
-                elif node_values.get("sources") and (
-                    source_unique_id := next(
-                        iter(node_values.get("depends_on", {}).get("nodes", [])), None
-                    )
+                elif node_unique_id := next(
+                    iter(node_values.get("depends_on", {}).get("nodes", [])), None
                 ):
-                    self.tests[source_unique_id].append(node_values)
+                    self.tests[node_unique_id].append(node_values)
 
     def _filter_evaluables(self, select: Iterable[str]) -> None:
         """Filter evaluables like dbt's --select."""

tests/resources/manifest.json

@@ -125,6 +125,13 @@
       "resource_type": "test",
       "package_name": "package"
     },
+    "test.package.test4": {
+      "resource_type": "test",
+      "depends_on": { "nodes": ["model.package.model1"] },
+      "name": "test4",
+      "package_name": "package",
+      "tags": []
+    },
     "test.package.source_test1": {
       "resource_type": "test",
       "package_name": "package",

tests/test_models.py

@@ -20,6 +20,7 @@ def test_manifest_load(mock_read_text, raw_manifest):
             ]
         )
         assert loader.models[0].tests[0].name == "test2"
+        assert loader.models[0].tests[1].name == "test4"
         assert loader.models[0].columns[0].tests[0].name == "test1"
 
         assert len(loader.sources) == len(