cover api/transaction/order.js with tests

test/api-test.js

@@ -62,11 +62,16 @@ describe('RippleAPI', function() {
       _.partial(checkResult, responses.preparePaymentNoCounterparty, done));
   });
 
-  it('prepareOrder', function(done) {
+  it('prepareOrder - buy order', function(done) {
     this.api.prepareOrder(address, requests.prepareOrder, instructions,
       _.partial(checkResult, responses.prepareOrder, done));
   });
 
+  it('prepareOrder - sell order', function(done) {
+    this.api.prepareOrder(address, requests.prepareOrderSell, instructions,
+      _.partial(checkResult, responses.prepareOrderSell, done));
+  });
+
   it('prepareOrderCancellation', function(done) {
     this.api.prepareOrderCancellation(address, 23, instructions,
       _.partial(checkResult, responses.prepareOrderCancellation, done));

test/fixtures/api/requests/index.js

@@ -2,6 +2,7 @@
 
 module.exports = {
   prepareOrder: require('./prepare-order'),
+  prepareOrderSell: require('./prepare-order-sell'),
   preparePayment: require('./prepare-payment'),
   preparePaymentAllOptions: require('./prepare-payment-all-options'),
   preparePaymentNoCounterparty: require('./prepare-payment-no-counterparty'),

test/fixtures/api/requests/prepare-order-sell.json

@@ -0,0 +1,13 @@
+{
+  "direction": "sell",
+  "quantity": {
+    "currency": "USD",
+    "counterparty": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM",
+    "value": "10.1"
+  },
+  "totalPrice": {
+    "currency": "XRP",
+    "value": "2"
+  },
+  "immediateOrCancel": true
+}

test/fixtures/api/responses/index.js

@@ -20,6 +20,7 @@ module.exports = {
   getTrustlines: require('./get-trustlines.json'),
   prepareOrderCancellation: require('./prepare-order-cancellation.json'),
   prepareOrder: require('./prepare-order.json'),
+  prepareOrderSell: require('./prepare-order-sell.json'),
   preparePayment: require('./prepare-payment.json'),
   preparePaymentAllOptions: require('./prepare-payment-all-options.json'),
   preparePaymentNoCounterparty:

test/fixtures/api/responses/prepare-order-sell.json

@@ -0,0 +1,14 @@
+{
+  "Flags": 655360,
+  "TransactionType": "OfferCreate",
+  "Account": "r9cZA1mLK5R5Am25ArfXFmqgNwjZgnfk59",
+  "TakerGets": {
+    "value": "10.1",
+    "currency": "USD",
+    "issuer": "rMH4UxPrbuMa1spCBR98hLLyNJp4d8p4tM"
+  },
+  "TakerPays": "2000000",
+  "LastLedgerSequence": 8820051,
+  "Fee": "12",
+  "Sequence": 23
+}