Add orthogonalize test spec

test/index.html

@@ -183,6 +183,7 @@
     <script src="spec/actions/add_entity.js"></script>
     <script src="spec/actions/change_tags.js"></script>
     <script src='spec/actions/circularize.js'></script>
+    <script src='spec/actions/orthogonalize.js'></script>
     <script src='spec/actions/connect.js'></script>
     <script src="spec/actions/delete_multiple.js"></script>
     <script src="spec/actions/delete_node.js"></script>

test/spec/actions/orthogonalize.js

@@ -0,0 +1,30 @@
+describe("iD.actions.Orthogonalize", function () {
+    var projection = d3.geo.mercator();
+
+    it("orthoganalizes a quad", function () {
+        var graph = iD.Graph({
+                'a': iD.Node({id: 'a', loc: [0, 0]}),
+                'b': iD.Node({id: 'b', loc: [4, 0]}),
+                'c': iD.Node({id: 'c', loc: [3, 2]}),
+                'd': iD.Node({id: 'd', loc: [0, 2]}),
+                '-': iD.Way({id: '-', nodes: ['a', 'b', 'c', 'd', 'a']})
+            });
+
+        graph = iD.actions.Orthogonalize('-', projection)(graph);
+
+        expect(graph.entity('-').nodes).to.have.length(5);
+    });
+
+    it("orthoganalizes a triangle", function () {
+        var graph = iD.Graph({
+                'a': iD.Node({id: 'a', loc: [0, 0]}),
+                'b': iD.Node({id: 'b', loc: [3, 0]}),
+                'c': iD.Node({id: 'c', loc: [2, 2]}),
+                '-': iD.Way({id: '-', nodes: ['a', 'b', 'c', 'a']})
+            });
+
+        graph = iD.actions.Orthogonalize('-', projection)(graph);
+
+        expect(graph.entity('-').nodes).to.have.length(4);
+    });
+});