Remove duplicate messages when combining results

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/results.tests.js b/tests/results.tests.js
new file mode 100644
index 0000000..3c0df78
--- /dev/null
+++ b/tests/results.tests.js
@@ -0,0 +1,17 @@
+var assert = require("assert");
+
+var results = require("../lib/results");
+var Result = results.Result;
+var test = require("./testing").test;
+
+
+describe("Result.combine", function() {
+    test("removes any duplicate messages", function() {
+        var first = new Result(null, [results.warning("Warning...")]);
+        var second = new Result(null, [results.warning("Warning...")]);
+        
+        var combined = Result.combine([first, second]);
+        
+        assert.deepEqual(combined.messages, [results.warning("Warning...")]);
+    });
+});