Move tests

test/fiatBalanceTest.js

@@ -0,0 +1,57 @@
+'use strict';
+
+var assert = require('chai').assert;
+
+var LamassuConfig = require('lamassu-config');
+var con = 'psql://lamassu:lamassu@localhost/lamassu';
+var config = new LamassuConfig(con);
+
+var api = require('../lib/protocol/api/api.js');
+var RATE = 100;
+var SATOSHI_FACTOR = Math.pow(10, 8);
+var cfg;
+
+describe('fiatBalance test', function() {
+  before(function(done) {
+    config.load(function(err, result) {
+      assert.isNull(err);
+      cfg = result.exchanges;
+      api.init(cfg);
+      done();
+    });
+  });
+
+  after(function(done) {
+    config.end();
+    done();
+  });
+
+  it('should calculate balance correctly with transfer exchange only', function() {
+    // We have 2 bitcoins, want to trade 1 bitcoin for 100 fiat
+    var balance = api.fiatBalance(RATE / cfg.settings.commission, {
+      transferBalance: 2 * SATOSHI_FACTOR,
+      tradeBalance: null
+    }, 1 * SATOSHI_FACTOR, 100);
+    assert.equal(balance, 100 / cfg.settings.lowBalanceMargin);
+  });
+
+  it('should calculate balance correctly with both exchanges (trade > transfer)', function() {
+    // We have 2 bitcoins for transfer, 2000 fiat for trade, want to trade 1
+    // bitcoin for 100 fiat
+    var balance = api.fiatBalance(RATE / cfg.settings.commission, {
+      transferBalance: 2 * SATOSHI_FACTOR,
+      tradeBalance: 2000
+    }, 1 * SATOSHI_FACTOR, 100);
+    assert.equal(balance, 100 / cfg.settings.lowBalanceMargin);
+  });
+
+  it('should calculate balance correctly with both exchanges (transfer > trade)', function() {
+    // We have 2 bitcoins for transfer, 150 fiat for trade, want to trade 1
+    // bitcoin for 100 fiat
+    var balance = api.fiatBalance(RATE / cfg.settings.commission, {
+      transferBalance: 2 * SATOSHI_FACTOR,
+      tradeBalance: 150
+    }, 1 * SATOSHI_FACTOR, 100);
+    assert.equal(balance, 50 / cfg.settings.lowBalanceMargin);
+  });
+});