Improve testing code coverage

Author: ponyisi

.devcontainer/devcontainer.json

@@ -41,7 +41,7 @@
 	// "forwardPorts": [],
 
 	// Use 'postCreateCommand' to run commands after the container is created.
-	"postCreateCommand": "pip3 install --user -e .[test]",
+	"postCreateCommand": "pip3 install --user -e .[develop]",
 
 	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"

.vscode/settings.json

@@ -98,7 +98,8 @@
     ],
     "python.analysis.typeCheckingMode": "basic",
     "python.testing.pytestArgs": [
-        "tests"
+			"--cov=servicex",
+	        "tests"
     ],
     "python.testing.unittestEnabled": false,
     "python.testing.pytestEnabled": true,

servicex/servicex_client.py

@@ -45,14 +45,14 @@
 logger = logging.getLogger(__name__)
 
 
-def deliver(config: ServiceXSpec):
+def deliver(config: ServiceXSpec, config_path=None):
     def get_codegen(_sample: Sample, _general: General):
         if _sample.Codegen:
             return _sample.Codegen
         else:
             return _general.Codegen
 
-    sx = ServiceXClient(backend=config.General.ServiceX)
+    sx = ServiceXClient(backend=config.General.ServiceX, config_path=config_path)
     datasets = []
     for sample in config.Sample:
         if sample.Query:

tests/test_databinder.py

@@ -1,4 +1,5 @@
 import pytest
+from unittest.mock import patch
 from pydantic import ValidationError
 
 from servicex import ServiceXSpec, FileListDataset, RucioDatasetIdentifier
@@ -150,3 +151,23 @@ def test_invalid_dataset_identifier():
                 ]
             )
         )
+
+
+def test_string_query(transformed_result):
+    from servicex import deliver
+    spec = ServiceXSpec.model_validate({
+        "General": {
+            "ServiceX": "testing4",
+            "Codegen": "uproot-raw",
+        },
+        "Sample": [
+                {
+                    "Name": "sampleA",
+                    "RucioDID": "user.ivukotic:user.ivukotic.single_top_tW__nominal",
+                    "Query": "[{'treename': 'nominal'}]"
+                }
+            ]
+        })
+    with patch('servicex.dataset_group.DatasetGroup.as_files',
+                return_value=[transformed_result]):
+        deliver(spec, config_path='tests/example_config.yaml')