Add an icat-mapping to the nexus_writer_session test configuration

scripts/testenv.py

@@ -290,6 +290,20 @@ def lima(env=None, tmpdir=None, name="simulator1"):
         yield
 
 
+@contextmanager
+def machinfo(env=None, tmpdir=None):
+    name = "machinfo"
+    script = os.path.join(
+        os.path.dirname(__file__), "..", "tests", "machinfo_tg_server.py"
+    )
+    assert os.path.isfile(script)
+    cliargs = [sys.executable, "-u", script, name]
+    with runcontext(cliargs, tmpdir=tmpdir, prefix=name, env=env):
+        device_fqdn = "id00/tango/" + name
+        wait_tango_device(device_fqdn=device_fqdn)
+        yield
+
+
 @contextmanager
 def metaexperiment(env=None, tmpdir=None, name="test"):
     """Start ICAT proposal/sample manager
@@ -445,6 +459,9 @@ if __name__ == "__main__":
         ctx = lima(env=env, tmpdir=tmpdir, name="simulator2")
         stack.enter_context(ctx)
 
+        ctx = machinfo(env=env, tmpdir=tmpdir)
+        stack.enter_context(ctx)
+
         if args.writer == "TANGO":
             ctx = nexuswriterservice(env=env, tmpdir=tmpdir, instance="testwriters")
         elif args.writer == "PROCESS":

tests/test_configuration/icat.yml

-name: icat
-plugin: bliss
-class: ICATmeta
+- name: icat
+  plugin: bliss
+  class: ICATmeta
 
-objects:
-  primary_slit: $primary_slit
-  attenuator01: $att1
+  objects:
+    primary_slit: $primary_slit
+    attenuator01: $att1
 
-positioners:
-  sample: $roby
-  insertion_device_gap: [$roby,$robz]
+  positioners:
+    sample: $roby
+    insertion_device_gap: [$roby,$robz]
 
-mapping:
-  InstrumentVariables_name: [ $roby.name, $robz.name ]
-  InstrumentVariables_value: [ $roby.position, $robz.position ]
+  mapping:
+    InstrumentVariables_name: [ $roby.name, $robz.name ]
+    InstrumentVariables_value: [ $roby.position, $robz.position ]
+
+- name: icat_nexus_writer_sessions
+  plugin: bliss
+  class: ICATmeta
+
+  objects:
+    primary_slit: $primary_slit
+    attenuator01: $att1
+    source: $machinfo

tests/test_configuration/sessions/nexus_writer_sessions.yml

 - class: Session
   name: nexus_writer_session
   setup-file: ./nexus_writer_session_setup.py
+  icat-mapping: icat_nexus_writer_sessions
   scan_saving:
     class: ESRFScanSaving
     beamline: id00