Merge pull request #24 from maraoz/ppc-test

add PullPaymentCapable test

contracts/PullPaymentCapable.sol → contracts/PullPayment.sol

@@ -4,7 +4,7 @@
  * Inherit from this contract and use asyncSend instead of send.
  */
 contract PullPaymentCapable {
-  mapping(address => uint) payments;
+  mapping(address => uint) public payments;
 
   // store sent amount as credit to be pulled, called by payer
   function asyncSend(address dest, uint amount) internal {

contracts/examples/PullPaymentCapableExample.sol

+import '../PullPaymentCapable.sol';
+
+// Example class using PullPaymentCapable
+contract PullPaymentCapableExample is PullPaymentCapable {
+  // test helper function to call asyncSend
+  function callSend(address dest, uint amount) external {
+    asyncSend(dest, amount);
+  }
+}

contracts/test-helpers/PullPaymentMock.sol

+import '../PullPayment.sol';
+
+// mock class using PullPayment
+contract PullPaymentMock is PullPayment {
+  // test helper function to call asyncSend
+  function callSend(address dest, uint amount) external {
+    asyncSend(dest, amount);
+  }
+}

test/PullPayment.js

+contract('PullPaymentCapable', function(accounts) {
+
+  it("can't call asyncSend externally", function(done) {
+    var ppc;
+    return PullPaymentCapableExample.new()
+      .then(function(ppc) {
+        assert.isUndefined(ppc.asyncSend);
+      })
+      .then(done);
+  });
+
+  it("can record an async payment correctly", function(done) {
+    var ppce;
+    var AMOUNT = 100;
+    return PullPaymentCapableExample.new()
+      .then(function(_ppce) {
+        ppce = _ppce;
+        ppce.callSend(accounts[0], AMOUNT)
+      })
+      .then(function() {
+        return ppce.payments(accounts[0]);
+      })
+      .then(function(paymentsToAccount0) {
+        assert.equal(paymentsToAccount0, AMOUNT);
+      })
+      .then(done);
+  });
+
+});