test(plugins): plugin load + configure tests added

test/index.js

@@ -0,0 +1,127 @@
+'use strict'
+
+var _       = require('lodash');
+var should  = require('chai').should();
+var mockery =  require('mockery');
+
+
+var config = require('./mocks/config');
+var CONFIG = _.cloneDeep(config);
+function requireFreshConfig() {
+  return _.cloneDeep(CONFIG);
+};
+
+
+var currents = config.exchanges.plugins.current;
+
+var walletMock = require('./mocks/wallet');
+var tickerMock = require('./mocks/ticker');
+var traderMock = require('./mocks/trader');
+var verifierMock = require('./mocks/verifier');
+
+mockery.registerMock('lamassu-mockWallet', walletMock);
+mockery.registerMock('lamassu-mockTicker', tickerMock);
+mockery.registerMock('lamassu-mockTrader', traderMock);
+mockery.registerMock('lamassu-mockVerifier', verifierMock);
+
+
+describe('Plugins', function() {
+  var plugins = null;
+
+  before(function() {
+    mockery.enable({
+      useCleanCache: true,
+      warnOnReplace: false,
+      warnOnUnregistered: false
+    });
+
+    plugins = require('../lib/plugins');
+  });
+
+  afterEach(function() {
+    config = requireFreshConfig();
+  });
+
+  it('should properly load', function() {
+    should.exist(plugins);
+  });
+
+  it('should throw when db is not provided', function() {
+    plugins.init.should.throw(/db.*required/);
+  });
+
+  it('should throw when invalid balance margin', function() {
+    config.exchanges.settings.lowBalanceMargin = .99;
+
+    function configurer() {
+      plugins.configure(config);
+    };
+    configurer.should.throw(/lowBalanceMargin/);
+  });
+
+  it('should throw when module is not installed', function() {
+    config.exchanges.plugins.current.ticker = 'inexistent-plugin';
+
+    function configurer() {
+      plugins.configure(config);
+    };
+    configurer.should.throw(/module.*not installed/);
+  });
+
+  it('should throw when used plugin has no SUPPORTED_MODULES', function() {
+    var tmp = tickerMock.SUPPORTED_MODULES;
+    delete tickerMock.SUPPORTED_MODULES;
+
+    function configurer() {
+      plugins.configure(config);
+    };
+    configurer.should.throw(/required.*SUPPORTED_MODULES/);
+
+    tickerMock.SUPPORTED_MODULES = tmp;
+  });
+
+  it('should throw when used plugin has required method missing', function() {
+    var tmp = tickerMock.ticker;
+    delete tickerMock.ticker;
+
+    function configurer() {
+      plugins.configure(config);
+    };
+    configurer.should.throw(/fails.*implement.*method/);
+
+    tickerMock.ticker = tmp;
+  });
+
+  describe('should configure all enabled plugins', function() {
+    var confList = {};
+
+    before(function() {
+      function configTest(name) {
+        return function config(config) {
+          should.exist(config);
+          config.should.be.an.Object;
+          confList[name] = config;
+        };
+      };
+
+      walletMock.config   = configTest('wallet');
+      tickerMock.config   = configTest('ticker');
+      traderMock.config   = configTest('trader');
+      verifierMock.config = configTest('verifier');
+
+      plugins.configure(config);
+    });
+
+    ['wallet', 'ticker', 'trader', 'verifier'].forEach(function(name) {
+      it('should configure ' + name, function() {
+        confList.should.have.property(name);
+        should.exist(confList[name]);
+        confList[name].should.be.an.Object;
+      });
+    });
+
+  });
+
+
+});
+