CI: add custom simulated IOC

Author: dmgav

ioc/sim_ioc.py

@@ -17,15 +17,19 @@ class SimpleIOC(PVGroup):
     C (array of int)
     """
 
-    A = pvproperty(
-        value=1,
-        doc="An integer",
-    )
-    B = pvproperty(value=2.0, doc="A float")
-    C = pvproperty(value=[1, 2, 3], doc="An array of integers (max length 3)")
+    A = pvproperty(value=1.0, doc="Value A")
+    B = pvproperty(value=1.0, doc="Value B")
+    C = pvproperty(value=1.0, doc="Value C")
+    D = pvproperty(value=1.0, doc="Value D")
+    E = pvproperty(value=1.0, doc="Value E")
+    F = pvproperty(value=1.0, doc="Value F")
+    G = pvproperty(value=1.0, doc="Value G")
+    H = pvproperty(value=1.0, doc="Value H")
+    I = pvproperty(value=1.0, doc="Value I")  # noqa:E741
+    J = pvproperty(value=1.0, doc="Value J")
 
 
 if __name__ == "__main__":
-    ioc_options, run_options = ioc_arg_parser(default_prefix="simple:", desc=dedent(SimpleIOC.__doc__))
+    ioc_options, run_options = ioc_arg_parser(default_prefix="simulated:", desc=dedent(SimpleIOC.__doc__))
     ioc = SimpleIOC(**ioc_options)
     run(ioc.pvdb, **run_options)

tests/common.py

@@ -108,3 +108,28 @@ def _clear():
     _clear()
     yield
     _clear()
+
+
+@pytest.fixture
+def ioc():
+    """
+    Reset simulated IOC to initial values before and after the test
+    """
+
+    def _reset_ioc():
+        from epics import caput
+
+        caput("simulated:A", 1.0)
+        caput("simulated:B", 2.0)
+        caput("simulated:C", 3.0)
+        caput("simulated:D", 4.0)
+        caput("simulated:E", 5.0)
+        caput("simulated:F", 6.0)
+        caput("simulated:G", 7.0)
+        caput("simulated:H", 8.0)
+        caput("simulated:I", 9.0)
+        caput("simulated:J", 10.0)
+
+    _reset_ioc()
+    yield
+    _reset_ioc()

tests/test_misc.py

@@ -15,6 +15,7 @@
     admin_username,
     base_url,
     clear_sar,  # noqa: F401
+    ioc,  # noqa: F401
     read_password,
     read_username,
     user_password,
@@ -103,8 +104,15 @@ async def testing():
 
 
 
-def test_epics():
+def test_epics(ioc):   # noqa: F811
     import epics
-    epics.caput("simple:A", 10)
-    v = epics.caget("simple:A")
-    assert v == 10
+    assert epics.caget("simulated:A") == 1.0
+    assert epics.caget("simulated:B") == 2.0
+    assert epics.caget("simulated:C") == 3.0
+    assert epics.caget("simulated:D") == 4.0
+    assert epics.caget("simulated:E") == 5.0
+    assert epics.caget("simulated:F") == 6.0
+    assert epics.caget("simulated:G") == 7.0
+    assert epics.caget("simulated:H") == 8.0
+    assert epics.caget("simulated:I") == 9.0
+    assert epics.caget("simulated:J") == 10.0