Split localfilesystem storage plugin into component parts

test/red/runtime/storage/localfilesystem/settings_spec.js

@@ -0,0 +1,80 @@
+/**
+ * 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 should = require("should");
+var fs = require('fs-extra');
+var path = require('path');
+
+var localfilesystemSettings = require("../../../../../red/runtime/storage/localfilesystem/settings");
+
+describe('storage/localfilesystem/settings', function() {
+    var userDir = path.join(__dirname,".testUserHome");
+    beforeEach(function(done) {
+        fs.remove(userDir,function(err) {
+            fs.mkdir(userDir,done);
+        });
+    });
+    afterEach(function(done) {
+        fs.remove(userDir,done);
+    });
+
+    it('should handle non-existent settings', function(done) {
+        var settingsFile = path.join(userDir,".settings.json");
+
+        localfilesystemSettings.init({userDir:userDir});
+        fs.existsSync(settingsFile).should.be.false();
+        localfilesystemSettings.getSettings().then(function(settings) {
+            settings.should.eql({});
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should handle corrupt settings', function(done) {
+        var settingsFile = path.join(userDir,".config.json");
+        fs.writeFileSync(settingsFile,"[This is not json","utf8");
+        localfilesystemSettings.init({userDir:userDir});
+        fs.existsSync(settingsFile).should.be.true();
+        localfilesystemSettings.getSettings().then(function(settings) {
+            settings.should.eql({});
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+
+    it('should handle settings', function(done) {
+        var settingsFile = path.join(userDir,".config.json");
+
+        localfilesystemSettings.init({userDir:userDir});
+        fs.existsSync(settingsFile).should.be.false();
+
+        var settings = {"abc":{"type":"creds"}};
+
+        localfilesystemSettings.saveSettings(settings).then(function() {
+            fs.existsSync(settingsFile).should.be.true();
+            localfilesystemSettings.getSettings().then(function(_settings) {
+                _settings.should.eql(settings);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        }).otherwise(function(err) {
+            done(err);
+        });
+    });
+});