Default DISP to TRUE for all In records

.vscode/launch.json

@@ -4,13 +4,22 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        },
         {
             "name": "Debug Unit Test",
             "type": "python",
             "request": "launch",
             "justMyCode": false,
             "program": "${file}",
-            "purpose": ["debug-test"],
+            "purpose": [
+                "debug-test"
+            ],
             "console": "integratedTerminal",
             "env": {
                 // The default config in setup.cfg's "[tool:pytest]" adds coverage.
@@ -20,4 +29,4 @@
             },
         }
     ]
-}
+}

CHANGELOG.rst

@@ -12,6 +12,7 @@ Unreleased_
 Changed:
 
 - `Remove python2 support <../../pull/64>`
+- `Default DISP to TRUE for all In records <../../pull/74>`
 
 3.2.1_ - 2021-11-25
 -------------------

softioc/builder.py

@@ -18,12 +18,13 @@
 
 
 def _in_record(record, name, **fields):
-    '''For input records we provide some automatic extra features: scanning
-    and initialisation as appropriate.'''
+    '''For input records we provide some automatic extra features: scanning,
+    initialisation as appropriate, and blocking puts from outside the IOC.'''
 
     fields.setdefault('SCAN', 'I/O Intr')
     if 'initial_value' in fields:
         fields.setdefault('PINI', 'YES')
+    fields.setdefault('DISP', 1)
     return getattr(PythonDevice, record)(name, **fields)
 
 

tests/expected_records.db

@@ -1,5 +1,6 @@
 record(ai, "TS-DI-TEST-01:AI")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(INP,  "@TS-DI-TEST-01:AI")
     field(PINI, "YES")
@@ -14,6 +15,7 @@ record(ao, "TS-DI-TEST-01:AO")
 
 record(bi, "TS-DI-TEST-01:BOOLIN")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(INP,  "@TS-DI-TEST-01:BOOLIN")
     field(ONAM, "False")
@@ -33,6 +35,7 @@ record(bo, "TS-DI-TEST-01:BOOLOUT")
 
 record(longin, "TS-DI-TEST-01:LONGIN")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(INP,  "@TS-DI-TEST-01:LONGIN")
     field(MDEL, "-1")
@@ -49,6 +52,7 @@ record(longout, "TS-DI-TEST-01:LONGOUT")
 
 record(waveform, "TS-DI-TEST-01:LONGSTRING")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(FTVL, "UCHAR")
     field(INP,  "@TS-DI-TEST-01:LONGSTRING")
@@ -58,6 +62,7 @@ record(waveform, "TS-DI-TEST-01:LONGSTRING")
 
 record(mbbi, "TS-DI-TEST-01:MBBI")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(INP,  "@TS-DI-TEST-01:MBBI")
     field(ONST, "Two")
@@ -87,6 +92,7 @@ record(mbbo, "TS-DI-TEST-01:MBBO")
 
 record(waveform, "TS-DI-TEST-01:SIN")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(FTVL, "DOUBLE")
     field(INP,  "@TS-DI-TEST-01:SIN")
@@ -111,6 +117,7 @@ record(ao, "TS-DI-TEST-01:SINP")
 
 record(stringin, "TS-DI-TEST-01:STRINGIN")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(INP,  "@TS-DI-TEST-01:STRINGIN")
     field(PINI, "YES")
@@ -125,6 +132,7 @@ record(stringout, "TS-DI-TEST-01:STRINGOUT")
 
 record(waveform, "TS-DI-TEST-01:WAVEFORM")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(FTVL, "DOUBLE")
     field(INP,  "@TS-DI-TEST-01:WAVEFORM")
@@ -135,6 +143,7 @@ record(waveform, "TS-DI-TEST-01:WAVEFORM")
 
 record(waveform, "TS-DI-TEST-01:WAVEFORM2")
 {
+    field(DISP, "1")
     field(DTYP, "Python")
     field(FTVL, "FLOAT")
     field(INP,  "@TS-DI-TEST-01:WAVEFORM2")

tests/test_records.py

@@ -18,3 +18,36 @@ def test_enum_length_restriction():
                 "ManyLabels", "one", "two", "three", "four", "five", "six",
                 "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen",
                 "fourteen", "fifteen", "sixteen", "seventeen")
+
+def test_DISP_defaults_on():
+    """Test that all IN record types have DISP=1 set by default"""
+    in_records = [
+        builder.aIn,
+        builder.boolIn,
+        builder.longIn,
+        builder.mbbIn,
+        builder.stringIn,
+        builder.WaveformIn,
+    ]
+
+    record_counter = 0
+
+    for creation_func in in_records:
+        kwargs = {}
+        record_counter += 1
+        record_name = "DISP" + str(record_counter)
+
+        if creation_func == builder.WaveformIn:
+            kwargs = {"length": 1}
+
+        record = creation_func(record_name, **kwargs)
+
+        # Note: DISP attribute won't exist if field not specified
+        assert record.DISP.Value() == 1
+
+def test_DISP_can_be_overridden():
+    """Test that DISP can be forced off for In records"""
+
+    record = builder.longIn("DISP-OFF", DISP=0)
+    # Note: DISP attribute won't exist if field not specified
+    assert record.DISP.Value() == 0