diaspora/spec/javascripts/app/views/stream_view_spec.js

108 lines
3.6 KiB
JavaScript

describe("app.views.Stream", function(){
beforeEach(function(){
// should be jasmine helper
window.current_user = app.user({name: "alice", avatar : {small : "http://avatar.com/photo.jpg"}});
this.posts = $.parseJSON(spec.readFixture("multi_stream_json"))["posts"];
this.collection = new app.collections.Stream(this.posts);
this.view = new app.views.Stream({collection : this.collection});
// do this manually because we've moved loadMore into render??
this.view.render();
_.each(this.view.collection.models, function(post){
this.view.addPost(post);
}, this);
})
describe("initialize", function(){
it("binds an infinite scroll listener", function(){
spyOn($.fn, "scroll");
new app.views.Stream();
expect($.fn.scroll).toHaveBeenCalled()
})
})
describe("#render", function(){
beforeEach(function(){
this.statusMessage = this.collection.models[0];
this.reshare = this.collection.models[1];
this.statusElement = $(this.view.$("#" + this.statusMessage.get("guid")));
this.reshareElement = $(this.view.$("#" + this.reshare.get("guid")));
})
context("when rendering a Status Mesasage", function(){
it("shows the status message in the content area", function(){
expect(this.statusElement.find(".post-content p").text()).toContain("you're gonna love this") //markdown'ed
})
})
})
describe("infScroll", function(){
// NOTE: inf scroll happens at 500px
beforeEach(function(){
spyOn(this.view.collection, "fetch")
})
context("when the user is at the bottom of the page", function(){
beforeEach(function(){
spyOn($.fn, "height").andReturn(0)
spyOn($.fn, "scrollTop").andReturn(100)
})
it("calls fetch", function(){
spyOn(this.view, "isLoading").andReturn(false)
this.view.infScroll();
expect(this.view.collection.fetch).toHaveBeenCalled();
})
it("does not call fetch if the collection is loading", function(){
spyOn(this.view, "isLoading").andReturn(true)
this.view.infScroll();
expect(this.view.collection.fetch).not.toHaveBeenCalled();
})
it("does not call fetch if all content has been fetched", function(){
spyOn(this.view, "isLoading").andReturn(false)
this.view.allContentLoaded = true;
this.view.infScroll();
expect(this.view.collection.fetch).not.toHaveBeenCalled();
})
})
it("does not fetch new content when the user is not at the bottom of the page", function(){
spyOn(this.view, "isLoading").andReturn(false)
spyOn($.fn, "height").andReturn(0);
spyOn($.fn, "scrollTop").andReturn(-400);
this.view.infScroll();
expect(this.view.collection.fetch).not.toHaveBeenCalled();
})
})
describe("collectionFetched", function(){
it("sets this.allContentLoaded if there are no more posts left to load", function(){
expect(this.view.allContentLoaded).toBe(false)
this.view.collectionFetched(this.collection, {posts : []})
expect(this.view.allContentLoaded).toBe(true)
})
it("unbinds scroll if there are no more posts left to load", function(){
spyOn($.fn, "unbind")
this.view.collectionFetched(this.collection, {posts : []})
expect($.fn.unbind).toHaveBeenCalled()
})
it("does not set this.allContentLoaded if there was a non-empty response from the server", function(){
expect(this.view.allContentLoaded).toBe(false)
this.view.collectionFetched(this.collection, {posts : this.posts})
expect(this.view.allContentLoaded).toBe(false)
})
})
})