Adding test spec.

test/spec/ol/Map.test.js

@@ -0,0 +1,150 @@
+describe("ol.Map", function() {
+    
+    // HPI - Hipster Programming Interface
+    // EPI - Enterprise Programming Interface
+    
+    it("should be easy to make a map", function() {
+
+        var map = ol.map();
+        
+        expect(map instanceof ol.Map).toBe(true);
+        
+    });
+
+    it("should be easy to set the map center", function() {
+        var map, center;
+
+        // with array
+        map = ol.map();
+        map.center([-110, 45]);
+
+        center = map.center();
+        expect(center.x().toFixed(3)).toBe("-110.000");
+        expect(center.y().toFixed(3)).toBe("45.000");
+        expect(center instanceof ol.Location).toBe(true);
+        
+        // with object literal
+        map.center({x: -111, y: 46});
+        
+        center = map.center();
+        expect(center.x().toFixed(3)).toBe("-111.000");
+        expect(center.y().toFixed(3)).toBe("46.000");
+        expect(center instanceof ol.Location).toBe(true);
+
+        // more verbose
+        map = ol.map({
+            center: ol.loc({x: -112, y: 47})
+        });
+        
+        center = map.center();
+        expect(center.x().toFixed(3)).toBe("-112.000");
+        expect(center.y().toFixed(3)).toBe("47.000");
+        expect(center instanceof ol.Location).toBe(true);
+        
+    });
+    
+    it("allows flexible setting of center and zoom", function() {
+        var map, center, zoom;
+        
+        // chained
+        map = ol.map().center([1, 2]).zoom(3);
+
+        center = map.center();
+        zoom = map.zoom();
+        expect(center.x().toFixed(3)).toBe("1.000");
+        expect(center.y().toFixed(3)).toBe("2.000");
+        expect(zoom).toBe(3);
+        
+        // all at once
+        map = ol.map({
+            center: [1, 2],
+            zoom: 6
+        });
+
+        center = map.center();
+        zoom = map.zoom();
+        expect(center.x().toFixed(3)).toBe("4.000");
+        expect(center.y().toFixed(3)).toBe("5.000");
+        expect(zoom).toBe(6);
+        
+    });
+    
+    it("has a default projection", function() {
+        
+        var map = ol.map();
+        var proj = map.projection();
+        
+        expect(proj instanceof ol.Projection).toBe(true);
+        expect(proj.code()).toBe("EPSG:3857");
+        
+    });
+
+    it("allows projection to be set", function() {
+        var proj;
+        
+        // at construction
+        var map = ol.map({projection: "EPSG:4326"});
+        proj = map.projection();
+        
+        expect(proj instanceof ol.Projection).toBe(true);
+        expect(proj.code()).toBe("EPSG:4326");
+        
+        // after construction
+        map.projection("EPSG:3857");
+        proj = map.projection();
+        
+        expect(proj instanceof ol.Projection).toBe(true);
+        expect(proj.code()).toBe("EPSG:3857");
+        
+    });
+    
+    it("allows a user projection to be set", function() {
+        var proj;
+
+        var map = ol.map();
+        proj = map.userProjection();
+        
+        expect(proj instanceof ol.Projection).toBe(true);
+        expect(proj.code()).toBe("EPSG:4326");
+        
+        map.center([10, 20]);
+        
+        map.userProjection("EPSG:3857");
+        var center = map.center();
+        expect(center.x().toFixed(3)).toBe("1113194.908");
+        expect(center.y().toFixed(3)).toBe("2273030.927");
+        
+    });
+    
+    it("provides feedback when you mess up", function() {
+        var map;
+        if (ol.DEBUG) {
+            // misspelling
+            expect(function() {
+                map = ol.map({
+                    centre: [1, 2]
+                });
+            }).toThrow(new Error("Unsupported config property: centre"));
+        } else {
+            expect(function() {
+                map = ol.map({
+                    centre: [1, 2]
+                });
+            }).not.toThrow();
+        }
+    });
+    
+    it("is destroyable", function() {
+        
+        var map = ol.map();
+        map.center([1, 2]);
+        
+        map.destroy();
+
+        expect(function() {
+            map.center([3, 4]);
+        }).toThrow();
+        
+    });
+    
+});