diff --git a/plugins/lua/workflow.lua b/plugins/lua/workflow.lua
index 01531b8a6..bdcd02bcb 100644
--- a/plugins/lua/workflow.lua
+++ b/plugins/lua/workflow.lua
@@ -355,4 +355,10 @@ function listWeakenedConstraints(outputs)
     return variants
 end
 
+if dfhack.internal.IN_TEST then
+    test_data = {
+        job_outputs = job_outputs,
+    }
+end
+
 return _ENV
diff --git a/test/plugins/workflow.lua b/test/plugins/workflow.lua
new file mode 100644
index 000000000..af8d32793
--- /dev/null
+++ b/test/plugins/workflow.lua
@@ -0,0 +1,7 @@
+local workflow = require('plugins.workflow')
+
+function test.job_outputs()
+    for job_type in pairs(workflow.test_data.job_outputs) do
+        expect.true_(df.job_type[job_type], "Found unrecognized job type: " .. tostring(job_type))
+    end
+end