Add logging for module registration

lib/cylon.js

@@ -15,8 +15,6 @@ var Logger = require('./logger'),
     Config = require('./config'),
     Utils = require('./utils');
 
-Logger.setup();
-
 var Cylon = module.exports = {
   Logger: Logger,
   Driver: require('./driver'),

lib/logger.js

@@ -75,3 +75,6 @@ var setLogLevel = function(level) {
     Logger[level] = function() {};
   });
 }
+
+Logger.setup();
+

lib/registry.js

@@ -12,6 +12,8 @@
 
 "use strict";
 
+var Logger = require('./logger');
+
 var missingModuleError = function(module) {
   var string = "Cannot find the '" + module + "' module.\n";
   string += "This problem might be fixed by installing it with 'npm install " + module + "' and trying again.";
@@ -44,14 +46,15 @@ var Registry = module.exports = {
     this.data[module] = {
       module: pkg,
       adaptors: pkg.adaptors || [],
-      drivers: pkg.drivers || []
+      drivers: pkg.drivers || [],
+      dependencies: pkg.dependencies || []
     };
 
-    if (pkg.dependencies && Array.isArray(pkg.dependencies)) {
-      pkg.dependencies.forEach(function(dep) {
-        Registry.register(dep);
-      });
-    }
+    this.logRegistration(module, this.data[module]);
+
+    this.data[module].dependencies.forEach(function(dep) {
+      Registry.register(dep);
+    });
 
     return this.data[module].module;
   },
@@ -72,6 +75,21 @@ var Registry = module.exports = {
     return this.data[module].module;
   },
 
+  logRegistration: function(name) {
+    var module = this.data[name];
+
+    Logger.debug("Registering module " + name);
+
+    ['adaptors', 'drivers', 'dependencies'].forEach(function(field) {
+      if (module[field].length) {
+        Logger.debug("  " + field + ":");
+        module[field].forEach(function(item) {
+          Logger.debug("    - " + item);
+        });
+      }
+    });
+  },
+
   search: function(entry, value) {
     for (var name in this.data) {
       var repo = this.data[name];

spec/lib/registry.spec.js

@@ -28,7 +28,8 @@ describe("Registry", function() {
         "./../spec/support/mock_module.js": {
           module: module,
           drivers: ['test-driver'],
-          adaptors: ['test-adaptor']
+          adaptors: ['test-adaptor'],
+          dependencies: []
         }
       });
     });