Remove event passing for icons/examples from the api layer

test/red/runtime/nodes/library_spec.js

@@ -0,0 +1,69 @@
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var EventEmitter = require('events').EventEmitter;
+var events = new EventEmitter();
+
+var should = require("should");
+
+var fs = require("fs");
+var path = require("path");
+
+var library = require("../../../../red/runtime/nodes/library")
+
+describe("library api", function() {
+    it('returns null list when no modules have been registered', function() {
+        library.init({events:events});
+        should.not.exist(library.getExampleFlows());
+    });
+    it('returns null path when module is not known', function() {
+        library.init({events:events});
+        should.not.exist(library.getExampleFlowPath('foo','bar'));
+    });
+
+    it('returns a valid example path', function(done) {
+        library.init({events:events});
+        events.emit('node-examples-dir',{
+            name: "test-module",
+            path: path.resolve(__dirname+'/../../../resources/examples')
+        });
+        setTimeout(function() {
+            try {
+                var flows = library.getExampleFlows();
+                flows.should.deepEqual({"d":{"test-module":{"f":["one"]}}});
+
+                var examplePath = library.getExampleFlowPath('test-module','one');
+                examplePath.should.eql(path.resolve(__dirname+'/../../../resources/examples/one.json'))
+
+
+                events.emit('node-module-uninstalled', 'test-module');
+
+                setTimeout(function() {
+                    try {
+                        should.not.exist(library.getExampleFlows());
+                        should.not.exist(library.getExampleFlowPath('test-module','one'));
+                        done();
+                    } catch(err) {
+                        done(err);
+                    }
+                },20);
+            }catch(err) {
+                done(err);
+            }
+        },20);
+
+    })
+});