test

ophyd/tests/test_signal.py

@@ -715,19 +715,19 @@ def test_signal_dtype_shape_info(fake_motor_ioc, cleanup):
     original = Signal(name="original")
     original_desc = original.describe()["original"]
     assert original_desc["dtype"] == "number"
-    assert original_desc["dtype_numpy"] == ""
+    assert "dtype_numpy" not in original_desc
     assert original_desc["shape"] == []
     assert pytest.approx(original.get()) == 0.0
     original = Signal(name="original", value=1)
     original_desc = original.describe()["original"]
     assert original_desc["dtype"] == "integer"
-    assert original_desc["dtype_numpy"] == ""
+    assert "dtype_numpy" not in original_desc
     assert original_desc["shape"] == []
     assert original.get() == 1
     original = Signal(name="original", value="On")
     original_desc = original.describe()["original"]
     assert original_desc["dtype"] == "string"
-    assert original_desc["dtype_numpy"] == ""
+    assert "dtype_numpy" not in original_desc
     assert original_desc["shape"] == []
     assert original.get() == "On"
     original = Signal(name="original", dtype=numpy.uint16, shape=(2, 2))
@@ -773,7 +773,7 @@ def inverse(self, value):
     )
     desc = string_signal_with_value.describe()["string_signal"]
     assert desc["dtype"] == "string"
-    assert desc["dtype_numpy"] == ""
+    assert "dtype_numpy" not in desc
     assert desc["shape"] == []
     assert string_signal_with_value.get() == "test"
 
@@ -784,5 +784,5 @@ def inverse(self, value):
         desc = string_signal.describe()["string_signal"]
     mocked_get.assert_called_once()
     assert desc["dtype"] == "string"
-    assert desc["dtype_numpy"] == ""
+    assert "dtype_numpy" not in desc
     assert desc["shape"] == []