Convert Hash to a behavior

2026-05-23 08:39:56 +02:00 · 2013-01-31 18:20:57 -05:00
parent 9cb0879818
commit bbccec75be
6 changed files with 47 additions and 70 deletions
@@ -0,0 +1,65 @@
+describe("iD.behavior.Hash", function () {
+    var hash, map, controller;
+
+    beforeEach(function () {
+        map = {
+            on:     function () { return map; },
+            zoom:   function () { return arguments.length ? map : 0; },
+            center: function () { return arguments.length ? map : [0, 0]; },
+            centerZoom: function () { return arguments.length ? map : [0, 0]; }
+        };
+
+        controller = {
+            on: function () { return controller; }
+        };
+
+        hash = iD.behavior.Hash(controller, map);
+    });
+
+    afterEach(function () {
+        hash.off();
+    });
+
+    it("sets hadHash if location.hash is present", function () {
+        location.hash = "map=20.00/38.87952/-77.02405";
+        hash();
+        expect(hash.hadHash).to.be.true;
+    });
+
+    it("centerZooms map to requested level", function () {
+        location.hash = "map=20.00/38.87952/-77.02405";
+        sinon.spy(map, 'centerZoom');
+        hash();
+        expect(map.centerZoom).to.have.been.calledWith([-77.02405,38.87952], 20.0);
+    });
+
+    describe("on window hashchange events", function () {
+        beforeEach(function () {
+            hash();
+        });
+
+        function onhashchange(fn) {
+            d3.select(window).one("hashchange", fn);
+        }
+
+        it("centerZooms map at requested coordinates", function (done) {
+            onhashchange(function () {
+                expect(map.centerZoom).to.have.been.calledWith([-77.02405,38.87952], 20.0);
+                done();
+            });
+
+            sinon.spy(map, 'centerZoom');
+            location.hash = "#map=20.00/38.87952/-77.02405";
+        });
+    });
+
+    describe("on map move events", function () {
+        it("stores the current zoom and coordinates in location.hash", function () {
+            sinon.stub(map, 'on')
+                .withArgs("move.hash", sinon.match.instanceOf(Function))
+                .yields();
+            hash();
+            expect(location.hash).to.equal("#map=0.00/0/0");
+        });
+    });
+});