Add pytest basic tests and fix import to be coherent with README

.github/workflows/ci.yml

@@ -37,6 +37,10 @@ jobs:
     - name: Import the package
       shell: bash -l {0}
       run: python -c "import resolve_robotics_uri_py"
+
+    - name: Run the Python tests
+      shell: bash -l {0}
+      run: pytest
 
     # This test requires the conda-forge::icub-models,
     # robotology::ergocub-software and

ci_env.yml

@@ -6,6 +6,7 @@ channels:
 dependencies:
   - python
   - pip
+  - pytest
   # packages that ship URDFs used to test
   - icub-models
   - ergocub-software

src/resolve_robotics_uri_py/__init__.py

@@ -0,0 +1 @@
+from .resolve_robotics_uri_py import resolve_robotics_uri

test/test_resolve_robotics_uri_py.py

@@ -0,0 +1,6 @@
+import resolve_robotics_uri_py
+import pytest
+
+def test_non_existing_file():
+    with pytest.raises(FileNotFoundError):
+        resolve_robotics_uri_py.resolve_robotics_uri("package://this/package/and/file/does/not.exist")