Rewrite SC10 shutter enable as toggle (#370)

* Rewrite SC10 shutter enable as toggle

* Bool comparison with `is not`

src/instruments/thorlabs/sc10.py

@@ -64,20 +64,27 @@ def name(self):
         """
         return self.query("id?")
 
-    enable = bool_property(
-        "ens",
-        inst_true="1",
-        inst_false="0",
-        set_fmt="{}={}",
-        doc="""
+    @property
+    def enable(self):
+        """
         Gets/sets the shutter enable status, False for disabled, True if
         enabled
 
         If output enable is on (`True`), there is a voltage on the output.
-
+        :return: Status of the switch.
         :rtype: `bool`
-        """,
-    )
+
+        :raises TypeError: Unexpected type given when trying to enable.
+        """
+        return bool(int(self.query("ens?")))
+
+    @enable.setter
+    def enable(self, value):
+        if not isinstance(value, bool):
+            raise TypeError(f"Expected bool, got type {type(value)} instead.")
+        curr_status = self.enable
+        if curr_status is not value:
+            self.sendcmd("ens")
 
     repeat = int_property(
         "rep",

tests/test_thorlabs/test_thorlabs_sc10.py

@@ -22,12 +22,25 @@ def test_sc10_name():
         assert sc.name == "bloopbloop"
 
 
-def test_sc10_enable():
+def test_sc10_enable_query():
     with expected_protocol(
-        ik.thorlabs.SC10, ["ens?", "ens=1"], ["ens?", "0", "> ens=1", "> "], sep="\r"
+        ik.thorlabs.SC10, ["ens?"], ["ens?", "0", "> "], sep="\r"
     ) as sc:
         assert sc.enable is False
-        sc.enable = True
+
+
+@pytest.mark.parametrize("status", [0, 1])
+@pytest.mark.parametrize("value", [0, 1])
+def test_sc10_enable_send(status, value):
+    host_to_ins = ["ens?"]
+    ins_to_host = ["ens?", f"{status}"]
+    if value != status:
+        host_to_ins.append("ens")
+        ins_to_host += ["> ens", "> "]
+    else:
+        ins_to_host.append("> ")
+    with expected_protocol(ik.thorlabs.SC10, host_to_ins, ins_to_host, sep="\r") as sc:
+        sc.enable = bool(value)
 
 
 def test_sc10_enable_invalid():