Add test for allow_uri_if_protocol with deferred input

lib/galaxy_test/api/test_tools.py

@@ -2637,6 +2637,24 @@ def test_metadata_validator_can_fail_on_deferred_input(self, history_id):
         job_details = self.dataset_populator.get_job_details(job_id=job_id).json()
         assert job_details["state"] == "failed"
 
+    @skip_without_tool("gx_allow_uri_if_protocol")
+    def test_allow_uri_if_protocol_on_deferred_input(self, history_id):
+        source_uri = "https://raw.githubusercontent.com/galaxyproject/galaxy/dev/test-data/simple_line.txt"
+        deferred_hda = self.dataset_populator.create_deferred_hda(history_id, source_uri, ext="txt")
+
+        inputs = {"input1": dataset_to_param(deferred_hda)}
+        # The tool just returns the URI (or file path if it was materialized) as the output content
+        run_response = self.dataset_populator.run_tool(
+            tool_id="gx_allow_uri_if_protocol", inputs=inputs, history_id=history_id
+        )
+        output = run_response["outputs"][0]
+        output_details = self.dataset_populator.get_history_dataset_details(
+            history_id, dataset=output, wait=True, assert_ok=True
+        )
+        assert output_details["state"] == "ok"
+        output_content = self.dataset_populator.get_history_dataset_content(history_id, dataset=output)
+        assert output_content.strip() == source_uri.strip()
+
     @skip_without_tool("cat1")
     def test_run_deferred_mapping(self, history_id: str):
         elements = [