WIP on replacing documentation with direct calls to OSM wikibase

test/spec/services/osm_wikibase.js

@@ -0,0 +1,49 @@
+describe('iD.serviceOsmWikibase', function() {
+    var server, wikibase;
+
+
+    before(function() {
+        iD.services.osmWikibase = iD.serviceOsmWikibase;
+    });
+
+    after(function() {
+        delete iD.services.osmWikibase;
+    });
+
+    beforeEach(function() {
+        wikibase = iD.services.osmWikibase;
+        wikibase.init();
+        server = sinon.fakeServer.create();
+    });
+
+    afterEach(function() {
+        server.restore();
+    });
+
+
+    function query(url) {
+        return iD.utilStringQs(url.substring(url.indexOf('?') + 1));
+    }
+
+
+    describe('#docs', function() {
+        it('calls the given callback with the results of the docs query', function() {
+            var callback = sinon.spy();
+            wikibase.docs({key: 'amenity', value: 'parking'}, callback);
+
+            server.respondWith('GET', /\/tag\/wiki_page/,
+                [200, { 'Content-Type': 'application/json' },
+                    '{"data":[{"on_way":false,"lang":"en","on_area":true,"image":"File:Car park2.jpg"}]}']
+            );
+            server.respond();
+
+            expect(query(server.requests[0].url)).to.eql(
+                {key: 'amenity', value: 'parking'}
+            );
+            expect(callback).to.have.been.calledWith(
+                null, [{'on_way':false,'lang':'en','on_area':true,'image':'File:Car park2.jpg'}]
+            );
+        });
+    });
+
+});