more tests

pvlib · wholmgren · Jul 27, 2021 · Feb 23, 2021 · Feb 23, 2021 · Feb 23, 2021
commit 9e663d23e3f5ee7316a37a5561b55c83c47b6fed
diff --git a/pvlib/tests/test_pvsystem.py b/pvlib/tests/test_pvsystem.py
@@ -1756,13 +1756,35 @@ def test_PVSystem_multi_array_get_irradiance_multi_irrad():
    assert not array_irrad[0].equals(array_irrad[1])


+def test_PVSystem_change_surface_tilt():
+    system = pvsystem.PVSystem(surface_tilt=30)
+    assert system.surface_tilt == 30
+    match = "PVSystem.surface_tilt attribute is deprecated"
+    with pytest.warns(UserWarning, match=match):
+        system.surface_tilt = 10
+    assert system.surface_tilt == 10
+
+
 def test_PVSystem_change_surface_azimuth():
    system = pvsystem.PVSystem(surface_azimuth=180)
    assert system.surface_azimuth == 180
-    system.surface_azimuth = 90
+    match = "PVSystem.surface_azimuth attribute is deprecated"
+    with pytest.warns(UserWarning, match=match):
+        system.surface_azimuth = 90
    assert system.surface_azimuth == 90


+@pytest.mark.parametrize('attr', ['surface_tilt', 'surface_azimuth'])
+def test_PVSystem_change_surface_tilt_azimuth_multi(attr, two_array_system):
+    # getting fails
+    with pytest.raises(AttributeError, match='not supported for multi-array'):
+        getattr(two_array_system, attr)
+
+    # setting fails
+    with pytest.raises(AttributeError, match='not supported for multi-array'):
+        setattr(two_array_system, attr, 0)
+
+
 def test_PVSystem_get_albedo(two_array_system):
    system = pvsystem.PVSystem(
        arrays=[pvsystem.Array(pvsystem.FixedMount(0, 180), albedo=0.5)]