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258e9e35ca
There are tradeoffs that we took here. For the complete story see https://meta.discourse.org/t/performance-improvements-on-long-topics/30187/27?u=tgxworld.
902 lines
24 KiB
JavaScript
902 lines
24 KiB
JavaScript
QUnit.module("model:post-stream");
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import createStore from "helpers/create-store";
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const buildStream = function(id, stream) {
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const store = createStore();
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const topic = store.createRecord("topic", { id, chunk_size: 5 });
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const ps = topic.get("postStream");
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if (stream) {
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ps.set("stream", stream);
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}
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return ps;
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};
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const participant = { username: "eviltrout" };
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QUnit.test("create", assert => {
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const store = createStore();
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assert.ok(
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store.createRecord("postStream"),
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"it can be created with no parameters"
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);
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});
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QUnit.test("defaults", assert => {
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const postStream = buildStream(1234);
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assert.blank(
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postStream.get("posts"),
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"there are no posts in a stream by default"
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);
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assert.ok(!postStream.get("loaded"), "it has never loaded");
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assert.present(postStream.get("topic"));
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});
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QUnit.test("appending posts", assert => {
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const postStream = buildStream(4567, [1, 3, 4]);
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const store = postStream.store;
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assert.equal(postStream.get("firstPostId"), 1);
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assert.equal(postStream.get("lastPostId"), 4, "the last post id is 4");
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assert.ok(!postStream.get("hasPosts"), "there are no posts by default");
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assert.ok(
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!postStream.get("firstPostPresent"),
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"the first post is not loaded"
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);
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assert.ok(!postStream.get("loadedAllPosts"), "the last post is not loaded");
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assert.equal(postStream.get("posts.length"), 0, "it has no posts initially");
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postStream.appendPost(store.createRecord("post", { id: 2, post_number: 2 }));
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assert.ok(
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!postStream.get("firstPostPresent"),
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"the first post is still not loaded"
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);
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assert.equal(
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postStream.get("posts.length"),
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1,
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"it has one post in the stream"
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);
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postStream.appendPost(store.createRecord("post", { id: 4, post_number: 4 }));
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assert.ok(
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!postStream.get("firstPostPresent"),
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"the first post is still loaded"
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);
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assert.ok(postStream.get("loadedAllPosts"), "the last post is now loaded");
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assert.equal(
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postStream.get("posts.length"),
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2,
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"it has two posts in the stream"
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);
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postStream.appendPost(store.createRecord("post", { id: 4, post_number: 4 }));
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assert.equal(
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postStream.get("posts.length"),
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2,
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"it will not add the same post with id twice"
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);
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const stagedPost = store.createRecord("post", { raw: "incomplete post" });
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postStream.appendPost(stagedPost);
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assert.equal(
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postStream.get("posts.length"),
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3,
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"it can handle posts without ids"
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);
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postStream.appendPost(stagedPost);
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assert.equal(
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postStream.get("posts.length"),
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3,
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"it won't add the same post without an id twice"
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);
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// change the stream
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postStream.set("stream", [1, 2, 4]);
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assert.ok(
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!postStream.get("firstPostPresent"),
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"the first post no longer loaded since the stream changed."
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);
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assert.ok(
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postStream.get("loadedAllPosts"),
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"the last post is still the last post in the new stream"
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);
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});
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QUnit.test("closestPostNumberFor", assert => {
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const postStream = buildStream(1231);
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const store = postStream.store;
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assert.blank(
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postStream.closestPostNumberFor(1),
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"there is no closest post when nothing is loaded"
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);
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postStream.appendPost(store.createRecord("post", { id: 1, post_number: 2 }));
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postStream.appendPost(store.createRecord("post", { id: 2, post_number: 3 }));
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assert.equal(
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postStream.closestPostNumberFor(2),
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2,
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"If a post is in the stream it returns its post number"
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);
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assert.equal(
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postStream.closestPostNumberFor(3),
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3,
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"If a post is in the stream it returns its post number"
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);
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assert.equal(
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postStream.closestPostNumberFor(10),
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3,
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"it clips to the upper bound of the stream"
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);
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assert.equal(
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postStream.closestPostNumberFor(0),
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2,
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"it clips to the lower bound of the stream"
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);
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});
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QUnit.test("closestDaysAgoFor", assert => {
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const postStream = buildStream(1231);
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postStream.set("timelineLookup", [[1, 10], [3, 8], [5, 1]]);
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assert.equal(postStream.closestDaysAgoFor(1), 10);
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assert.equal(postStream.closestDaysAgoFor(2), 10);
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assert.equal(postStream.closestDaysAgoFor(3), 8);
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assert.equal(postStream.closestDaysAgoFor(4), 8);
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assert.equal(postStream.closestDaysAgoFor(5), 1);
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// Out of bounds
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assert.equal(postStream.closestDaysAgoFor(-1), 10);
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assert.equal(postStream.closestDaysAgoFor(0), 10);
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assert.equal(postStream.closestDaysAgoFor(10), 1);
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postStream.set("timelineLookup", []);
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assert.equal(postStream.closestDaysAgoFor(1), undefined);
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});
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QUnit.test("closestDaysAgoFor - empty", assert => {
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const postStream = buildStream(1231);
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postStream.set("timelineLookup", []);
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assert.equal(postStream.closestDaysAgoFor(1), null);
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});
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QUnit.test("updateFromJson", assert => {
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const postStream = buildStream(1231);
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postStream.updateFromJson({
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posts: [{ id: 1 }],
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stream: [1],
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extra_property: 12
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});
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assert.equal(postStream.get("posts.length"), 1, "it loaded the posts");
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assert.containsInstance(postStream.get("posts"), Discourse.Post);
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assert.equal(postStream.get("extra_property"), 12);
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});
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QUnit.test("removePosts", assert => {
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const postStream = buildStream(10000001, [1, 2, 3]);
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const store = postStream.store;
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const p1 = store.createRecord("post", { id: 1, post_number: 2 }),
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p2 = store.createRecord("post", { id: 2, post_number: 3 }),
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p3 = store.createRecord("post", { id: 3, post_number: 4 });
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postStream.appendPost(p1);
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postStream.appendPost(p2);
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postStream.appendPost(p3);
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// Removing nothing does nothing
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postStream.removePosts();
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assert.equal(postStream.get("posts.length"), 3);
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postStream.removePosts([p1, p3]);
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assert.equal(postStream.get("posts.length"), 1);
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assert.deepEqual(postStream.get("stream"), [2]);
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});
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QUnit.test("cancelFilter", assert => {
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const postStream = buildStream(1235);
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sandbox.stub(postStream, "refresh").returns(new Ember.RSVP.resolve());
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postStream.set("summary", true);
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postStream.cancelFilter();
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assert.ok(!postStream.get("summary"), "summary is cancelled");
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postStream.toggleParticipant(participant);
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postStream.cancelFilter();
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assert.blank(
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postStream.get("userFilters"),
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"cancelling the filters clears the userFilters"
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);
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});
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QUnit.test("findPostIdForPostNumber", assert => {
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const postStream = buildStream(1234, [10, 20, 30, 40, 50, 60, 70]);
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postStream.set("gaps", { before: { 60: [55, 58] } });
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assert.equal(
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postStream.findPostIdForPostNumber(500),
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null,
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"it returns null when the post cannot be found"
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);
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assert.equal(
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postStream.findPostIdForPostNumber(1),
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10,
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"it finds the postId at the beginning"
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);
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assert.equal(
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postStream.findPostIdForPostNumber(5),
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50,
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"it finds the postId in the middle"
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);
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assert.equal(postStream.findPostIdForPostNumber(8), 60, "it respects gaps");
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});
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QUnit.test("toggleParticipant", assert => {
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const postStream = buildStream(1236);
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sandbox.stub(postStream, "refresh").returns(new Ember.RSVP.resolve());
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assert.equal(
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postStream.get("userFilters.length"),
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0,
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"by default no participants are toggled"
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);
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postStream.toggleParticipant(participant.username);
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assert.ok(
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postStream.get("userFilters").includes("eviltrout"),
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"eviltrout is in the filters"
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);
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postStream.toggleParticipant(participant.username);
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assert.blank(
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postStream.get("userFilters"),
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"toggling the participant again removes them"
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);
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});
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QUnit.test("streamFilters", assert => {
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const postStream = buildStream(1237);
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sandbox.stub(postStream, "refresh").returns(new Ember.RSVP.resolve());
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assert.deepEqual(
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postStream.get("streamFilters"),
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{},
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"there are no postFilters by default"
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);
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assert.ok(postStream.get("hasNoFilters"), "there are no filters by default");
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postStream.set("summary", true);
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assert.deepEqual(
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postStream.get("streamFilters"),
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{ filter: "summary" },
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"postFilters contains the summary flag"
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);
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assert.ok(!postStream.get("hasNoFilters"), "now there are filters present");
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postStream.toggleParticipant(participant.username);
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assert.deepEqual(
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postStream.get("streamFilters"),
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{
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username_filters: "eviltrout"
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},
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"streamFilters contains the username we filtered"
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);
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});
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QUnit.test("loading", assert => {
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let postStream = buildStream(1234);
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assert.ok(!postStream.get("loading"), "we're not loading by default");
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postStream.set("loadingAbove", true);
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assert.ok(postStream.get("loading"), "we're loading if loading above");
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postStream = buildStream(1234);
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postStream.set("loadingBelow", true);
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assert.ok(postStream.get("loading"), "we're loading if loading below");
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postStream = buildStream(1234);
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postStream.set("loadingFilter", true);
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assert.ok(postStream.get("loading"), "we're loading if loading a filter");
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});
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QUnit.test("nextWindow", assert => {
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const postStream = buildStream(1234, [
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1,
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2,
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3,
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5,
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8,
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9,
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10,
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11,
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13,
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14,
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15,
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16
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]);
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assert.blank(
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postStream.get("nextWindow"),
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"With no posts loaded, the window is blank"
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);
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postStream.updateFromJson({ posts: [{ id: 1 }, { id: 2 }] });
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assert.deepEqual(
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postStream.get("nextWindow"),
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[3, 5, 8, 9, 10],
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"If we've loaded the first 2 posts, the window should be the 5 after that"
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);
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postStream.updateFromJson({ posts: [{ id: 13 }] });
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assert.deepEqual(
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postStream.get("nextWindow"),
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[14, 15, 16],
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"Boundary check: stop at the end."
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);
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postStream.updateFromJson({ posts: [{ id: 16 }] });
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assert.blank(
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postStream.get("nextWindow"),
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"Once we've seen everything there's nothing to load."
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);
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});
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QUnit.test("previousWindow", assert => {
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const postStream = buildStream(1234, [
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1,
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2,
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3,
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5,
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8,
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9,
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10,
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11,
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13,
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14,
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15,
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16
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]);
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assert.blank(
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postStream.get("previousWindow"),
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"With no posts loaded, the window is blank"
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);
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postStream.updateFromJson({ posts: [{ id: 11 }, { id: 13 }] });
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assert.deepEqual(
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postStream.get("previousWindow"),
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[3, 5, 8, 9, 10],
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"If we've loaded in the middle, it's the previous 5 posts"
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);
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postStream.updateFromJson({ posts: [{ id: 3 }] });
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assert.deepEqual(
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postStream.get("previousWindow"),
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[1, 2],
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"Boundary check: stop at the beginning."
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);
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postStream.updateFromJson({ posts: [{ id: 1 }] });
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assert.blank(
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postStream.get("previousWindow"),
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"Once we've seen everything there's nothing to load."
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);
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});
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QUnit.test("storePost", assert => {
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const postStream = buildStream(1234),
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store = postStream.store,
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post = store.createRecord("post", {
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id: 1,
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post_number: 100,
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raw: "initial value"
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});
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assert.blank(
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postStream.get("topic.highest_post_number"),
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"it has no highest post number yet"
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);
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let stored = postStream.storePost(post);
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assert.equal(post, stored, "it returns the post it stored");
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assert.equal(
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post.get("topic"),
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postStream.get("topic"),
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"it creates the topic reference properly"
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);
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assert.equal(
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postStream.get("topic.highest_post_number"),
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100,
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"it set the highest post number"
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);
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const dupePost = store.createRecord("post", {
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id: 1,
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post_number: 100,
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raw: "updated value"
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});
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const storedDupe = postStream.storePost(dupePost);
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assert.equal(
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storedDupe,
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post,
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"it returns the previously stored post instead to avoid dupes"
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);
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assert.equal(
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storedDupe.get("raw"),
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"updated value",
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"it updates the previously stored post"
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);
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const postWithoutId = store.createRecord("post", { raw: "hello world" });
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stored = postStream.storePost(postWithoutId);
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assert.equal(stored, postWithoutId, "it returns the same post back");
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});
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QUnit.test("identity map", assert => {
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const postStream = buildStream(1234);
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const store = postStream.store;
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const p1 = postStream.appendPost(
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store.createRecord("post", { id: 1, post_number: 1 })
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);
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const p3 = postStream.appendPost(
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store.createRecord("post", { id: 3, post_number: 4 })
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);
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assert.equal(
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postStream.findLoadedPost(1),
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p1,
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"it can return cached posts by id"
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);
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assert.blank(postStream.findLoadedPost(4), "it can't find uncached posts");
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// Find posts by ids uses the identity map
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return postStream.findPostsByIds([1, 2, 3]).then(result => {
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assert.equal(result.length, 3);
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assert.equal(result.objectAt(0), p1);
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assert.equal(result.objectAt(1).get("post_number"), 2);
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assert.equal(result.objectAt(2), p3);
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});
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});
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QUnit.test("loadIntoIdentityMap with no data", assert => {
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return buildStream(1234)
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.loadIntoIdentityMap([])
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.then(result => {
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assert.equal(result.length, 0, "requesting no posts produces no posts");
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});
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});
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QUnit.test("loadIntoIdentityMap with post ids", assert => {
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const postStream = buildStream(1234);
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return postStream.loadIntoIdentityMap([10]).then(function() {
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assert.present(
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postStream.findLoadedPost(10),
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"it adds the returned post to the store"
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);
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});
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});
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QUnit.test("appendMore for megatopic", assert => {
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const postStream = buildStream(1234);
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const store = createStore();
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const post = store.createRecord("post", { id: 1, post_number: 1 });
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postStream.setProperties({
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isMegaTopic: true,
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posts: [post]
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});
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return postStream.appendMore().then(() => {
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assert.present(
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postStream.findLoadedPost(2),
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"it adds the returned post to the store"
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);
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assert.equal(
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postStream.get("posts").length,
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6,
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"it adds the right posts into the stream"
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);
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});
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});
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QUnit.test("prependMore for megatopic", assert => {
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const postStream = buildStream(1234);
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const store = createStore();
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const post = store.createRecord("post", { id: 6, post_number: 6 });
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postStream.setProperties({
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isMegaTopic: true,
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posts: [post]
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});
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return postStream.prependMore().then(() => {
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assert.present(
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postStream.findLoadedPost(5),
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"it adds the returned post to the store"
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);
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assert.equal(
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postStream.get("posts").length,
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6,
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"it adds the right posts into the stream"
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);
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});
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});
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QUnit.test("staging and undoing a new post", assert => {
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const postStream = buildStream(10101, [1]);
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const store = postStream.store;
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const original = store.createRecord("post", {
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id: 1,
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post_number: 1,
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topic_id: 10101
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});
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postStream.appendPost(original);
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assert.ok(
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postStream.get("lastAppended"),
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original,
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"the original post is lastAppended"
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);
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|
const user = Discourse.User.create({
|
|
username: "eviltrout",
|
|
name: "eviltrout",
|
|
id: 321
|
|
});
|
|
const stagedPost = store.createRecord("post", {
|
|
raw: "hello world this is my new post",
|
|
topic_id: 10101
|
|
});
|
|
|
|
const topic = postStream.get("topic");
|
|
topic.setProperties({
|
|
posts_count: 1,
|
|
highest_post_number: 1
|
|
});
|
|
|
|
// Stage the new post in the stream
|
|
const result = postStream.stagePost(stagedPost, user);
|
|
assert.equal(result, "staged", "it returns staged");
|
|
assert.equal(
|
|
topic.get("highest_post_number"),
|
|
2,
|
|
"it updates the highest_post_number"
|
|
);
|
|
assert.ok(
|
|
postStream.get("loading"),
|
|
"it is loading while the post is being staged"
|
|
);
|
|
assert.ok(
|
|
postStream.get("lastAppended"),
|
|
original,
|
|
"it doesn't consider staged posts as the lastAppended"
|
|
);
|
|
|
|
assert.equal(topic.get("posts_count"), 2, "it increases the post count");
|
|
assert.present(topic.get("last_posted_at"), "it updates last_posted_at");
|
|
assert.equal(
|
|
topic.get("details.last_poster"),
|
|
user,
|
|
"it changes the last poster"
|
|
);
|
|
|
|
assert.equal(
|
|
stagedPost.get("topic"),
|
|
topic,
|
|
"it assigns the topic reference"
|
|
);
|
|
assert.equal(
|
|
stagedPost.get("post_number"),
|
|
2,
|
|
"it is assigned the probable post_number"
|
|
);
|
|
assert.present(stagedPost.get("created_at"), "it is assigned a created date");
|
|
assert.ok(
|
|
postStream.get("posts").includes(stagedPost),
|
|
"the post is added to the stream"
|
|
);
|
|
assert.equal(stagedPost.get("id"), -1, "the post has a magical -1 id");
|
|
|
|
// Undoing a created post (there was an error)
|
|
postStream.undoPost(stagedPost);
|
|
|
|
assert.ok(!postStream.get("loading"), "it is no longer loading");
|
|
assert.equal(
|
|
topic.get("highest_post_number"),
|
|
1,
|
|
"it reverts the highest_post_number"
|
|
);
|
|
assert.equal(topic.get("posts_count"), 1, "it reverts the post count");
|
|
assert.equal(
|
|
postStream.get("filteredPostsCount"),
|
|
1,
|
|
"it retains the filteredPostsCount"
|
|
);
|
|
assert.ok(
|
|
!postStream.get("posts").includes(stagedPost),
|
|
"the post is removed from the stream"
|
|
);
|
|
assert.ok(
|
|
postStream.get("lastAppended"),
|
|
original,
|
|
"it doesn't consider undid post lastAppended"
|
|
);
|
|
});
|
|
|
|
QUnit.test("staging and committing a post", assert => {
|
|
const postStream = buildStream(10101, [1]);
|
|
const store = postStream.store;
|
|
|
|
const original = store.createRecord("post", {
|
|
id: 1,
|
|
post_number: 1,
|
|
topic_id: 10101
|
|
});
|
|
postStream.appendPost(original);
|
|
assert.ok(
|
|
postStream.get("lastAppended"),
|
|
original,
|
|
"the original post is lastAppended"
|
|
);
|
|
|
|
const user = Discourse.User.create({
|
|
username: "eviltrout",
|
|
name: "eviltrout",
|
|
id: 321
|
|
});
|
|
const stagedPost = store.createRecord("post", {
|
|
raw: "hello world this is my new post",
|
|
topic_id: 10101
|
|
});
|
|
|
|
const topic = postStream.get("topic");
|
|
topic.set("posts_count", 1);
|
|
|
|
// Stage the new post in the stream
|
|
let result = postStream.stagePost(stagedPost, user);
|
|
assert.equal(result, "staged", "it returns staged");
|
|
|
|
assert.ok(
|
|
postStream.get("loading"),
|
|
"it is loading while the post is being staged"
|
|
);
|
|
stagedPost.setProperties({ id: 1234, raw: "different raw value" });
|
|
|
|
result = postStream.stagePost(stagedPost, user);
|
|
assert.equal(
|
|
result,
|
|
"alreadyStaging",
|
|
"you can't stage a post while it is currently staging"
|
|
);
|
|
assert.ok(
|
|
postStream.get("lastAppended"),
|
|
original,
|
|
"staging a post doesn't change the lastAppended"
|
|
);
|
|
|
|
postStream.commitPost(stagedPost);
|
|
assert.ok(
|
|
postStream.get("posts").includes(stagedPost),
|
|
"the post is still in the stream"
|
|
);
|
|
assert.ok(!postStream.get("loading"), "it is no longer loading");
|
|
|
|
assert.equal(
|
|
postStream.get("filteredPostsCount"),
|
|
2,
|
|
"it increases the filteredPostsCount"
|
|
);
|
|
|
|
const found = postStream.findLoadedPost(stagedPost.get("id"));
|
|
assert.present(found, "the post is in the identity map");
|
|
assert.ok(postStream.indexOf(stagedPost) > -1, "the post is in the stream");
|
|
assert.equal(
|
|
found.get("raw"),
|
|
"different raw value",
|
|
"it also updated the value in the stream"
|
|
);
|
|
assert.ok(
|
|
postStream.get("lastAppended"),
|
|
found,
|
|
"comitting a post changes lastAppended"
|
|
);
|
|
});
|
|
|
|
QUnit.test("loadedAllPosts when the id changes", assert => {
|
|
// This can happen in a race condition between staging a post and it coming through on the
|
|
// message bus. If the id of a post changes we should reconsider the loadedAllPosts property.
|
|
const postStream = buildStream(10101, [1, 2]);
|
|
const store = postStream.store;
|
|
const postWithoutId = store.createRecord("post", {
|
|
raw: "hello world this is my new post"
|
|
});
|
|
|
|
postStream.appendPost(store.createRecord("post", { id: 1, post_number: 1 }));
|
|
postStream.appendPost(postWithoutId);
|
|
assert.ok(!postStream.get("loadedAllPosts"), "the last post is not loaded");
|
|
|
|
postWithoutId.set("id", 2);
|
|
assert.ok(
|
|
postStream.get("loadedAllPosts"),
|
|
"the last post is loaded now that the post has an id"
|
|
);
|
|
});
|
|
|
|
QUnit.test("triggerRecoveredPost", async assert => {
|
|
const postStream = buildStream(4567);
|
|
const store = postStream.store;
|
|
|
|
[1, 2, 3, 5].forEach(id => {
|
|
postStream.appendPost(
|
|
store.createRecord("post", { id: id, post_number: id })
|
|
);
|
|
});
|
|
|
|
const response = object => {
|
|
return [200, { "Content-Type": "application/json" }, object];
|
|
};
|
|
|
|
// prettier-ignore
|
|
server.get("/posts/4", () => { // eslint-disable-line no-undef
|
|
return response({ id: 4, post_number: 4 });
|
|
});
|
|
|
|
assert.equal(
|
|
postStream.get("postsWithPlaceholders.length"),
|
|
4,
|
|
"it should return the right length"
|
|
);
|
|
|
|
await postStream.triggerRecoveredPost(4);
|
|
|
|
assert.equal(
|
|
postStream.get("postsWithPlaceholders.length"),
|
|
5,
|
|
"it should return the right length"
|
|
);
|
|
});
|
|
|
|
QUnit.test("comitting and triggerNewPostInStream race condition", assert => {
|
|
const postStream = buildStream(4964);
|
|
const store = postStream.store;
|
|
|
|
postStream.appendPost(store.createRecord("post", { id: 1, post_number: 1 }));
|
|
const user = Discourse.User.create({
|
|
username: "eviltrout",
|
|
name: "eviltrout",
|
|
id: 321
|
|
});
|
|
const stagedPost = store.createRecord("post", {
|
|
raw: "hello world this is my new post"
|
|
});
|
|
|
|
postStream.stagePost(stagedPost, user);
|
|
assert.equal(
|
|
postStream.get("filteredPostsCount"),
|
|
0,
|
|
"it has no filteredPostsCount yet"
|
|
);
|
|
stagedPost.set("id", 123);
|
|
|
|
sandbox.stub(postStream, "appendMore");
|
|
postStream.triggerNewPostInStream(123);
|
|
assert.equal(postStream.get("filteredPostsCount"), 1, "it added the post");
|
|
|
|
postStream.commitPost(stagedPost);
|
|
assert.equal(
|
|
postStream.get("filteredPostsCount"),
|
|
1,
|
|
"it does not add the same post twice"
|
|
);
|
|
});
|
|
|
|
QUnit.test("postsWithPlaceholders", assert => {
|
|
const postStream = buildStream(4964, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
|
|
const postsWithPlaceholders = postStream.get("postsWithPlaceholders");
|
|
const store = postStream.store;
|
|
|
|
const testProxy = Ember.ArrayProxy.create({ content: postsWithPlaceholders });
|
|
|
|
const p1 = store.createRecord("post", { id: 1, post_number: 1 });
|
|
const p2 = store.createRecord("post", { id: 2, post_number: 2 });
|
|
const p3 = store.createRecord("post", { id: 3, post_number: 3 });
|
|
const p4 = store.createRecord("post", { id: 4, post_number: 4 });
|
|
|
|
postStream.appendPost(p1);
|
|
postStream.appendPost(p2);
|
|
postStream.appendPost(p3);
|
|
|
|
// Test enumerable and array access
|
|
assert.equal(postsWithPlaceholders.get("length"), 3);
|
|
assert.equal(testProxy.get("length"), 3);
|
|
assert.equal(postsWithPlaceholders.nextObject(0), p1);
|
|
assert.equal(postsWithPlaceholders.objectAt(0), p1);
|
|
assert.equal(postsWithPlaceholders.nextObject(1, p1), p2);
|
|
assert.equal(postsWithPlaceholders.objectAt(1), p2);
|
|
assert.equal(postsWithPlaceholders.nextObject(2, p2), p3);
|
|
assert.equal(postsWithPlaceholders.objectAt(2), p3);
|
|
|
|
const promise = postStream.appendMore();
|
|
assert.equal(
|
|
postsWithPlaceholders.get("length"),
|
|
8,
|
|
"we immediately have a larger placeholder window"
|
|
);
|
|
assert.equal(testProxy.get("length"), 8);
|
|
assert.ok(!!postsWithPlaceholders.nextObject(3, p3));
|
|
assert.ok(!!postsWithPlaceholders.objectAt(4));
|
|
assert.ok(postsWithPlaceholders.objectAt(3) !== p4);
|
|
assert.ok(testProxy.objectAt(3) !== p4);
|
|
|
|
return promise.then(() => {
|
|
assert.equal(postsWithPlaceholders.objectAt(3), p4);
|
|
assert.equal(
|
|
postsWithPlaceholders.get("length"),
|
|
8,
|
|
"have a larger placeholder window when loaded"
|
|
);
|
|
assert.equal(testProxy.get("length"), 8);
|
|
assert.equal(testProxy.objectAt(3), p4);
|
|
});
|
|
});
|
|
|
|
QUnit.test("filteredPostsCount", assert => {
|
|
const postStream = buildStream(4567, [1, 3, 4]);
|
|
|
|
assert.equal(postStream.get("filteredPostsCount"), 3);
|
|
|
|
// Megatopic
|
|
postStream.set("isMegaTopic", true);
|
|
postStream.set("topic.highest_post_number", 4);
|
|
|
|
assert.equal(postStream.get("filteredPostsCount"), 4);
|
|
});
|
|
|
|
QUnit.test("firstPostId", assert => {
|
|
const postStream = buildStream(4567, [1, 3, 4]);
|
|
|
|
assert.equal(postStream.get("firstPostId"), 1);
|
|
|
|
postStream.setProperties({
|
|
isMegaTopic: true,
|
|
firstId: 2
|
|
});
|
|
|
|
assert.equal(postStream.get("firstPostId"), 2);
|
|
});
|
|
|
|
QUnit.test("lastPostId", assert => {
|
|
const postStream = buildStream(4567, [1, 3, 4]);
|
|
|
|
assert.equal(postStream.get("lastPostId"), 4);
|
|
|
|
postStream.setProperties({
|
|
isMegaTopic: true,
|
|
lastId: 2
|
|
});
|
|
|
|
assert.equal(postStream.get("lastPostId"), 2);
|
|
});
|
|
|
|
QUnit.test("progressIndexOfPostId", assert => {
|
|
const postStream = buildStream(4567, [1, 3, 4]);
|
|
const store = createStore();
|
|
const post = store.createRecord("post", { id: 1, post_number: 5 });
|
|
|
|
assert.equal(postStream.progressIndexOfPostId(post), 1);
|
|
|
|
postStream.set("isMegaTopic", true);
|
|
|
|
assert.equal(postStream.progressIndexOfPostId(post), 5);
|
|
});
|