Add small domain test

This simple test can replace the removed test_domain_json as it tests many of the same things, just without the intermediate step of converting it to JSON.

.github/workflows/build_docker.yaml

@@ -82,7 +82,7 @@ jobs:
         run: |
           cd /opt/project
           cp .env.example .env
-          python -m pytest -r a -v tests/integration/test_domain_json.py
+          python -m pytest -r a -v tests/integration/test_domain.py
         env:
           CDSAPI_KEY: ${{ secrets.CDSAPI_ADS_KEY }}
           CDSAPI_URL: https://ads.atmosphere.copernicus.eu/api

tests/integration/test_domain.py

@@ -0,0 +1,27 @@
+import numpy
+
+def test_domain_attributes(input_domain):
+    # Check domain matches projection used in calculations
+    assert type(input_domain.attrs["TRUELAT1"]) == numpy.float32
+    assert type(input_domain.attrs["TRUELAT2"]) == numpy.float32
+    assert type(input_domain.attrs["MOAD_CEN_LAT"]) == numpy.float32
+    assert type(input_domain.attrs["STAND_LON"]) == numpy.float32
+    assert type(input_domain.attrs["XCENT"]) == numpy.float64
+    assert type(input_domain.attrs["YCENT"]) == numpy.float64
+
+    assert type(input_domain.attrs['DX']) == numpy.float32
+    assert input_domain.attrs['DX'] > 0
+    assert type(input_domain.attrs['DX']) == numpy.float32
+    assert input_domain.attrs['DY'] > 0
+
+# Check domain matches projection used in calculations
+def test_domain_projection(config, input_domain):
+    assert str(input_domain.attrs["TRUELAT1"]) in str(config.crs)
+    assert str(input_domain.attrs["TRUELAT2"]) in str(config.crs)
+    assert str(input_domain.attrs["MOAD_CEN_LAT"]) in str(config.crs)
+    assert str(input_domain.attrs["STAND_LON"]) in str(config.crs)
+    assert str(input_domain.attrs["XCENT"]) in str(config.crs)
+    # TODO: is this a problem?
+    # assert str(input_domain.attrs["YCENT"]) in str(config.crs)
+
+