[CCSDK-28] populated the seed code for dgbuilder

[ccsdk/distribution.git] / dgbuilder / test / nodes / helper.js

diff --git a/dgbuilder/test/nodes/helper.js b/dgbuilder/test/nodes/helper.js
new file mode 100644 (file)
index 0000000..9b371ca
--- /dev/null
+++ b/dgbuilder/test/nodes/helper.js
@@ -0,0 +1,128 @@
+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * 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 should = require("should");
+var when = require("when");
+var request = require('supertest');
+var nock;
+if (!process.version.match(/^v0\.[0-9]\./)) {
+    // only set nock for node >= 0.10
+    try {
+        nock = require('nock');
+    } catch (err) {
+        // nevermind, will skip nock tests
+        nock = null;
+    }
+}
+var RED = require("../../red/red.js");
+var redNodes = require("../../red/nodes");
+var flows = require("../../red/nodes/flows");
+var credentials = require("../../red/nodes/credentials");
+var comms = require("../../red/comms.js");
+
+var http = require('http');
+var express = require('express');
+var app = express();
+
+var address = '127.0.0.1';
+var listenPort = 0; // use ephemeral port
+var port;
+var url;
+
+var server;
+
+function helperNode(n) {
+    RED.nodes.createNode(this, n);
+}
+
+module.exports = {
+    load: function(testNode, testFlows, testCredentials, cb) {
+        if (typeof testCredentials === 'function') {
+            cb = testCredentials;
+            testCredentials = {};
+        }
+
+        var storage = {
+            getFlows: function() {
+                var defer = when.defer();
+                defer.resolve(testFlows);
+                return defer.promise;
+            },
+            getCredentials: function() {
+                var defer = when.defer();
+                defer.resolve(testCredentials);
+                return defer.promise;
+            },
+            saveCredentials: function() {
+                // do nothing
+            },
+        };
+        var settings = {
+            available: function() { return false; }
+        };
+
+        redNodes.init(settings, storage);
+        credentials.init(storage);
+        RED.nodes.registerType("helper", helperNode);
+        testNode(RED);
+        flows.load().then(function() {
+            should.deepEqual(testFlows, flows.getFlows());
+            cb();
+        });
+    },
+    unload: function() {
+        // TODO: any other state to remove between tests?
+        redNodes.clearRegistry();
+        return flows.stopFlows();
+    },
+
+    getNode: function(id) {
+        return flows.get(id);
+    },
+
+    credentials: credentials,
+
+    clearFlows: function() {
+        return flows.clear();
+    },
+
+    request: function() {
+        return request(RED.httpAdmin);
+    },
+
+    startServer: function(done) {
+        server = http.createServer(function(req,res){app(req,res);});
+        RED.init(server, {});
+        server.listen(listenPort, address);
+        server.on('listening', function() {
+            port = server.address().port;
+            url = 'http://' + address + ':' + port;
+            comms.start();
+            done();
+        });
+    },
+    //TODO consider saving TCP handshake/server reinit on start/stop/start sequences
+    stopServer: function(done) {
+        if(server) {
+            server.close(done);
+        }
+    },
+
+    url: function() { return url; },
+
+    nock: nock,
+
+};