logic fixes

Created using spr 1.3.4

Author: boomanaiden154

.ci/compute_projects.py

@@ -87,8 +87,12 @@ def _add_dependencies(projects: Set[str]) -> Set[str]:
 
 def _compute_projects_to_test(modified_projects: Set[str], platform: str) -> Set[str]:
     """Computes the list of projects that should be passed to LLVM_ENABLE_PROJECTS"""
-    projects_to_test = set(modified_projects)
+    projects_to_test = set()
     for modified_project in modified_projects:
+        # Skip all projects where we cannot run tests.
+        if modified_project not in PROJECT_CHECK_TARGETS:
+            continue
+        projects_to_test.add(modified_project)
         if modified_project not in DEPENDENTS_TO_TEST:
             continue
         projects_to_test.update(DEPENDENTS_TO_TEST[modified_project])

.ci/compute_projects_test.py

@@ -125,6 +125,22 @@ def test_flang(self):
         self.assertEqual(env_variables["runtimes_to_build"], "")
         self.assertEqual(env_variables["runtimes_check_targets"], "")
 
+    def test_invalid_subproject(self):
+        env_variables = compute_projects.get_env_variables(
+            [".ci/compute_projects.py"], "Linux"
+        )
+        self.assertEqual(env_variables["projects_to_build"], "")
+        self.assertEqual(env_variables["project_check_targets"], "")
+        self.assertEqual(env_variables["runtimes_to_build"], "")
+        self.assertEqual(env_variables["runtimes_check_targets"], "")
+
+    def test_top_level_file(self):
+        env_variables = compute_projects.get_env_variables(["README.md"], "Linux")
+        self.assertEqual(env_variables["projects_to_build"], "")
+        self.assertEqual(env_variables["project_check_targets"], "")
+        self.assertEqual(env_variables["runtimes_to_build"], "")
+        self.assertEqual(env_variables["runtimes_check_targets"], "")
+
 
 if __name__ == "__main__":
     unittest.main()