DM-38217: Add simple test and explicit pytest configuration

.gitignore

@@ -19,3 +19,5 @@ pytest_session.txt
 .cache/
 .pytest_cache
 .coverage
+
+_build.*

setup.cfg

@@ -8,3 +8,7 @@ exclude =
   **/*/__init__.py,
   **/*/version.py,
   tests/.tests
+
+[tool:pytest]
+# pytest recommends this configuration.
+addopts = --import-mode=importlib

tests/test_load.py

@@ -0,0 +1,33 @@
+
+import os.path
+import unittest
+
+from lsst.ctrl.execute import envString
+from lsst.ctrl.execute.allocationConfig import AllocationConfig
+from lsst.ctrl.execute.condorConfig import CondorConfig
+
+TESTDIR = os.path.abspath(os.path.dirname(__file__))
+
+
+class S3DFSimpleTestCase(unittest.TestCase):
+    """Test basic configuration reading."""
+
+    def test_exec_config(self):
+        exec_config_name = os.path.join(TESTDIR, os.pardir, "etc", "config", "execConfig.py")
+
+        resolved_name = envString.resolve(exec_config_name)
+        configuration = CondorConfig()
+        configuration.load(resolved_name)
+        self.assertEqual(configuration.platform.scheduler, "slurm")
+
+    def test_allocation_config(self):
+        slurm_config_name = os.path.join(TESTDIR, os.pardir, "etc", "config", "slurmConfig.py")
+
+        resolved_name = envString.resolve(slurm_config_name)
+        configuration = AllocationConfig()
+        configuration.load(resolved_name)
+        self.assertEqual(configuration.platform.queue, "$QUEUE")
+
+
+if __name__ == "__main__":
+    unittest.main()