fix: add displayName (#34)

lib/getWorkflow.js

@@ -1,5 +1,7 @@
 'use strict';
 
+const hoek = require('@hapi/hoek');
+
 /**
  * Remove the ~ prefix for logical OR on select node names.
  * @method filterNodeName
@@ -75,7 +77,20 @@ const calculateNodes = async (jobs, triggerFactory, pipelineId) => {
             externalDownstreamAnd, nodes, triggerFactory);
     }));
 
-    return [...nodes].map(name => ({ name }));
+    return [...nodes].map((name) => {
+        const m = { name };
+        const displayName = hoek.reach(
+            jobs[name],
+            'annotations>screwdriver.cd/displayName',
+            { separator: '>', default: undefined }
+        );
+
+        if (displayName !== undefined) {
+            m.displayName = displayName;
+        }
+
+        return m;
+    });
 };
 
 /**

package.json

@@ -42,6 +42,7 @@
     "sinon": "^7.5.0"
   },
   "dependencies": {
+    "@hapi/hoek": "^9.1.0",
     "screwdriver-data-schema": "^20.0.0"
   },
   "release": {

test/lib/getWorkflow.test.js

@@ -37,6 +37,29 @@ describe('getWorkflow', () => {
         assert.deepEqual(external, EXPECTED_EXTERNAL);
     });
 
+    it('should handle displayName', async () => {
+        const result = await getWorkflow({
+            jobs: {
+                foo: {
+                    annotations: {
+                        'screwdriver.cd/displayName': 'baz'
+                    }
+                },
+                bar: {}
+            }
+        }, triggerFactoryMock);
+
+        assert.deepEqual(result, {
+            nodes: [
+                { name: '~pr' },
+                { name: '~commit' },
+                { name: 'foo', displayName: 'baz' },
+                { name: 'bar' }
+            ],
+            edges: []
+        });
+    });
+
     it('should handle detatched jobs', async () => {
         const result = await getWorkflow({
             jobs: {