Adding initial crappy fetchData test.

src/fetch/__tests__/fetchData-test.js

@@ -0,0 +1,60 @@
+var RedisCache = require('../../cache/RedisCache');
+var FakeRedis = require('fakeredis');
+var Promise = require('bluebird');
+
+var assert = require('assert');
+var expect = require('expect');
+var rewire = require('rewire');
+var sinon = require('sinon');
+
+var fetchData = rewire('../fetchData');
+
+describe('fetchData', function() {
+  var cache = new RedisCache(FakeRedis.createClient());
+
+  it('should throw on isReset response', function() {
+    var mockSendRequest = sinon.stub()
+      .returns(Promise.resolve({
+        delay: 500, 
+        isReset: true, 
+        lists: []
+      }));
+
+    return fetchData.__with__({
+      sendRequest: mockSendRequest
+    })(function() {
+      return fetchData(cache, 'abc', [])
+        .then(() => assert(false))
+        .catch(() => assert(mockSendRequest.called));
+    });
+  });
+
+  it('should expire all expire ranges and call fetch', function() {
+    var mockSendRequest = sinon.stub()
+      .returns(Promise.resolve({
+        delay: 500,
+        isReset: false,
+        lists: [{
+          name: 'my happy list',
+          urls: ['a url', 'another url'],
+          expireAdd: [1, 2, 3],
+          expireSub: [[7, 12]]
+        }]
+      }));
+
+    var mockExpireChunkRanges = sinon.stub().returns(Promise.resolve());
+    var mockFetchDataRedirect = sinon.stub().returns(Promise.resolve());
+
+    return fetchData.__with__({
+      sendRequest: mockSendRequest,
+      expireChunkRanges: mockExpireChunkRanges,
+      fetchDataRedirect: mockFetchDataRedirect
+    })(function() {
+      return fetchData(cache, 'abc', ['my happy list'])
+        .then(function() {
+          assert(mockExpireChunkRanges.calledTwice);
+          assert(mockFetchDataRedirect.calledTwice);
+        });
+    });
+  });
+});