test(ticker): ticker call check added

test/index.js

@@ -122,6 +122,15 @@ describe('Plugins', function() {
 
   });
 
+  this.timeout(9000);
+
+  describe('Ticker', function() {
+    it('should have .ticker() called at least once', function() {
+      tickerMock.tickerCalls.should.be.at.least(1);
+    });
+
+  });
+
 
 });
 

test/mocks/ticker.js

@@ -4,6 +4,20 @@ module.exports = {
   SUPPORTED_MODULES: [ 'ticker' ],
   NAME: 'Mock Ticker',
 
+  tickerCalls: 0,
+
   config: function() {},
-  ticker: function() {}
+  ticker: function(currency, callback) {
+    this.tickerCalls++;
+
+    var out = {};
+    out[currency] = {
+      currency: currency,
+      rates: {
+        ask: 1001.0,
+        bid: 999.0
+      }
+    };
+    callback(null, out);
+  }
 };