cover curve header parameters with tests

src/qcodes/instrument/sims/lakeshore_model336.yaml

@@ -53,6 +53,17 @@ devices:
         setter:
           q: "range A,\"{}\""
 
+      sensor_curve_number_A:
+        default: 42
+        getter:
+          q: "INCRV? A"
+          r: "{}"
+
+      curve_data_query_for_curve_42:
+        getter:
+          q: "CRVHDR? 42"
+          r: "DT-042,01110042,2,342.0,1"
+
 
       temperature_B:
         default: 100.0
@@ -96,7 +107,16 @@ devices:
         setter:
           q: "range A,\"{}\""
 
+      sensor_curve_number_B:
+        default: 41
+        getter:
+          q: "INCRV? B"
+          r: "{}"
 
+      curve_data_query_for_curve_41:
+        getter:
+          q: "CRVHDR? 41"
+          r: "DT-041,01110041,2,341.0,1"
 
       temperature_C:
         default: 100.0
@@ -140,7 +160,16 @@ devices:
         setter:
           q: "range A,\"{}\""
 
+      sensor_curve_number_C:
+        default: 40
+        getter:
+          q: "INCRV? C"
+          r: "{}"
 
+      curve_data_query_for_curve_40:
+        getter:
+          q: "CRVHDR? 40"
+          r: "DT-040,01110040,2,340.0,1"
 
       temperature_D:
         default: 100.0
@@ -184,6 +213,17 @@ devices:
         setter:
           q: "range A,\"{}\""
 
+      sensor_curve_number_D:
+        default: 39
+        getter:
+          q: "INCRV? D"
+          r: "{}"
+
+      curve_data_query_for_curve_39:
+        getter:
+          q: "CRVHDR? 39"
+          r: "DT-039,01110039,2,339.0,1"
+
 
 resources:
   GPIB::2::INSTR:

tests/drivers/test_lakeshore_336.py

@@ -80,8 +80,8 @@ def __init__(self, *args, **kwargs) -> None:
                 auto_range_enabled=0,  # 'off',
                 range=0,
                 compensation_enabled=0,  # False,
-                units=1,
-            )  # 'kelvin')
+                units=1,  # 'kelvin'
+            )
             for i in self.channel_name_command.keys()
         }
 
@@ -259,6 +259,19 @@ def test_setpoint(lakeshore_336) -> None:
         assert h.setpoint() == setpoint
 
 
+def test_curve_parameters(lakeshore_336) -> None:
+    # The curve numbers are assigned in the simulation pyvisa sim
+    # YAML file for each sensor/channel, and properties of the
+    # curves also include curve number in them to help testing
+    for ch, curve_number in zip(lakeshore_336.channels, (42, 41, 40, 39)):
+        assert ch.curve_number() == curve_number
+        assert ch.curve_name().endswith(str(curve_number))
+        assert ch.curve_sn().endswith(str(curve_number))
+        assert ch.curve_format() == "V/K"
+        assert str(int(ch.curve_limit())).endswith(str(curve_number))
+        assert ch.curve_coefficient() == "negative"
+
+
 def test_select_range_limits(lakeshore_336) -> None:
     h = lakeshore_336.output_1
     ranges = [1, 2, 3]