Merge pull request #69 from ubermag/test_valid

test check for validity of the norm

micromagneticdata/abstract_drive.py

@@ -105,7 +105,9 @@ def m0(self):
         Field(...)
 
         """
-        return df.Field.from_file(self._m0_path)
+        field = df.Field.from_file(self._m0_path)
+        field.valid = "norm"
+        return field
 
     @property
     @abc.abstractmethod

micromagneticdata/tests/test_drive.py

@@ -57,6 +57,27 @@ def test_mx3(self):
             assert isinstance(drive.calculator_script, str)
             assert "tableadd" in drive.calculator_script
 
+    def test_valid(self):
+        dirname = os.path.join(os.path.dirname(__file__), "test_sample")
+        name = "hysteresis"
+        data = md.Data(name=name, dirname=dirname)
+        m0_field = data[0].m0
+        test_points = [
+            m0_field.mesh.point2index(m0_field.mesh.region.pmin),
+            m0_field.mesh.point2index(m0_field.mesh.region.center),
+            m0_field.mesh.point2index(m0_field.mesh.region.pmax),
+        ]
+        expected_validity = [False, True, False]
+        for point, expected in zip(test_points, expected_validity):
+            actual_valid = m0_field.valid[point]
+            assert actual_valid == expected
+
+        drive = data[0]
+        for d in drive:
+            for point, expected in zip(test_points, expected_validity):
+                actual_valid = d.valid[point]
+                assert actual_valid == expected
+
     def test_m0(self):
         for drive in self.data:
             assert isinstance(drive.m0, df.Field)