refactor integration test code

test/integration/server.js

@@ -239,6 +239,8 @@ describe('Wallet service', function() {
   });
 
   describe('#joinWallet', function() {
+    describe('New clients', function() {
+
       var server, walletId;
       beforeEach(function(done) {
         server = new WalletService();
@@ -526,7 +528,7 @@ describe('Wallet service', function() {
       });
     });
 
-  describe('#joinWallet new/legacy clients', function() {
+    describe('Interaction new/legacy clients', function() {
       var server;
       beforeEach(function() {
         server = new WalletService();
@@ -556,6 +558,7 @@ describe('Wallet service', function() {
           });
         });
       });
+
       it('should fail to join new wallet from legacy client', function(done) {
         var walletOpts = {
           name: 'my wallet',
@@ -581,6 +584,7 @@ describe('Wallet service', function() {
         });
       });
     });
+  });
 
   describe('Address derivation strategy', function() {
     var server;
@@ -3084,11 +3088,9 @@ describe('Wallet service', function() {
           });
         });
       });
-
-    });
     });
 
-  describe('#createTx backoff time', function(done) {
+    describe('Backoff time', function(done) {
       var server, wallet, txid;
 
       beforeEach(function(done) {
@@ -3165,6 +3167,49 @@ describe('Wallet service', function() {
       });
     });
 
+    describe('UTXO selection', function() {
+      var server, wallet;
+      beforeEach(function(done) {
+        helpers.createAndJoinWallet(2, 3, function(s, w) {
+          server = s;
+          wallet = w;
+          done();
+        });
+      });
+
+      it('should create a tx', function(done) {
+        helpers.stubUtxos(server, wallet, [1, 2], function() {
+          var txOpts = {
+            outputs: [{
+              toAddress: '18PzpUFkFZE8zKWUPvfykkTxmB9oMR8qP7',
+              amount: 0.8 * 1e8,
+            }],
+            message: 'some message',
+            customData: 'some custom data',
+          };
+          server.createTx(txOpts, function(err, tx) {
+            should.not.exist(err);
+            should.exist(tx);
+            tx.walletM.should.equal(2);
+            tx.walletN.should.equal(3);
+            tx.requiredRejections.should.equal(2);
+            tx.requiredSignatures.should.equal(2);
+            tx.isAccepted().should.equal.false;
+            tx.isRejected().should.equal.false;
+            tx.isPending().should.equal.true;
+            tx.isTemporary().should.equal.true;
+            tx.amount.should.equal(helpers.toSatoshi(0.8));
+            server.getPendingTxs({}, function(err, txs) {
+              should.not.exist(err);
+              txs.should.be.empty;
+              done();
+            });
+          });
+        });
+      });
+    });
+  });
+
   describe('#rejectTx', function() {
     var server, wallet, txid;
 
@@ -5023,7 +5068,6 @@ describe('Wallet service', function() {
         done();
       });
     });
-
   });
 
   describe('#scan', function() {
@@ -5686,5 +5730,4 @@ describe('Wallet service', function() {
       });
     });
   });
-
 });