diff --git a/daliuge-engine/test/graphs/application_args.graph b/daliuge-engine/test/graphs/application_args.graph
new file mode 100644
index 000000000..1bd27eb65
--- /dev/null
+++ b/daliuge-engine/test/graphs/application_args.graph
@@ -0,0 +1,99 @@
+[
+  {
+    "oid": "a",
+    "type": "app",
+    "app": "dlg.apps.simple.RandomArrayApp",
+    "rank": [
+      0
+    ],
+    "loop_cxt": null,
+    "tw": 5,
+    "num_cpus": 1,
+    "appclass": "dlg.apps.simple.RandomArrayApp",
+    "execution_time": 5,
+    "group_start": false,
+    "input_error_threshold": 0,
+    "n_tries": 1,
+    "applicationArgs": {
+      "size": {
+        "text": "Size",
+        "value": 50,
+        "defaultValue": "100",
+        "description": "The size of the array",
+        "readonly": false,
+        "type": "Integer",
+        "precious": false,
+        "options": [],
+        "positional": false
+      },
+      "integer": {
+        "text": "Integer",
+        "value": true,
+        "defaultValue": "True",
+        "description": "Generate integer array?",
+        "readonly": false,
+        "type": "Boolean",
+        "precious": false,
+        "options": [],
+        "positional": false
+      },
+      "low": {
+        "text": "Low",
+        "value": 34,
+        "defaultValue": "0",
+        "description": "Low value of range in array [inclusive]",
+        "readonly": false,
+        "type": "Float",
+        "precious": false,
+        "options": [],
+        "positional": false
+      },
+      "high": {
+        "text": "High",
+        "value": 3456,
+        "defaultValue": "1",
+        "description": "High value of range of array [exclusive]",
+        "readonly": false,
+        "type": "Float",
+        "precious": false,
+        "options": [],
+        "positional": false
+      }
+    },
+    "iid": "0",
+    "lg_key": -2,
+    "dt": "PythonApp",
+    "nm": "RandomArrayApp",
+    "outputs": [
+      {
+        "b": "array"
+      }
+    ],
+    "node": "127.0.0.1",
+    "island": "127.0.0.1"
+  },
+  {
+    "oid": "b",
+    "type": "plain",
+    "storage": "Memory",
+    "rank": [
+      0
+    ],
+    "loop_cxt": null,
+    "dw": 5,
+    "data_volume": 5,
+    "group_end": false,
+    "applicationArgs": {},
+    "iid": "0",
+    "lg_key": -3,
+    "dt": "Memory",
+    "nm": "Memory",
+    "producers": [
+      {
+        "a": "array"
+      }
+    ],
+    "node": "127.0.0.1",
+    "island": "127.0.0.1"
+  }
+]
diff --git a/daliuge-engine/test/test_graph_loader.py b/daliuge-engine/test/test_graph_loader.py
index 1044f1a16..3daba54f3 100644
--- a/daliuge-engine/test/test_graph_loader.py
+++ b/daliuge-engine/test/test_graph_loader.py
@@ -27,6 +27,7 @@
 from dlg.ddap_protocol import DROPLinkType, DROPRel
 from dlg.drop import InMemoryDROP, SharedMemoryDROP, ContainerDROP, AppDROP, DirectoryContainer
 from dlg.common import Categories
+from dlg.apps.simple import RandomArrayApp
 
 
 # Used in the textual representation of the graphs in these tests
@@ -165,4 +166,21 @@ def test_namedPorts(self):
         # dropSpecs = graph_loader.loadDropSpecs(graphSpec)
         a = graph_loader.createGraphFromDropSpecList(graphSpec)
         dummy = a
-        
\ No newline at end of file
+
+    def test_applicationArgs(self):
+        """
+        Use a graph with applicationArgs and make sure applications see their
+        arguments
+        """
+        with pkg_resources.resource_stream(
+                "test", "graphs/application_args.graph"
+            ) as f:  # @UndefinedVariable
+            graphSpec = json.load(f)
+        graph = graph_loader.createGraphFromDropSpecList(graphSpec)
+        app = graph[0]
+        self.assertEqual(app.__class__, RandomArrayApp)
+        self.assertEqual(app.size, 50)
+        self.assertEqual(app.integer, True)
+        self.assertEqual(app.low, 34)
+        self.assertEqual(app.high, 3456)
+