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Cleaner implementation of postsWithPlaceholders and more tests.

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This commit is contained in:
Robin Ward
2015-12-04 14:43:23 -05:00
parent 08e10c2a9d
commit 4c0670a109
3 changed files with 46 additions and 86 deletions
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36
test/javascripts/models/post-stream-test.js.es6
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@ -44,17 +44,24 @@ test('daysSincePrevious when appending', function(assert) {
assert.equal(p3.get('daysSincePrevious'), 1);
});
test('daysSincePrevious when prepending', function(assert) {
test('prepending', assert => {
const postStream = buildStream(10000001, [1,2,3]);
const store = postStream.store;
const postsWithPlaceholders = postStream.get('postsWithPlaceholders');
const p1 = store.createRecord('post', {id: 1, post_number: 1, created_at: "2015-05-29T18:17:35.868Z"}),
p2 = store.createRecord('post', {id: 2, post_number: 2, created_at: "2015-06-01T01:07:25.761Z"}),
p3 = store.createRecord('post', {id: 3, post_number: 3, created_at: "2015-06-02T01:07:25.761Z"});
postStream.prependPost(p3);
assert.equal(postStream.get('posts.length'), 1);
assert.equal(postsWithPlaceholders.get('length'), 1);
postStream.prependPost(p2);
assert.equal(postStream.get('posts.length'), 2);
assert.equal(postsWithPlaceholders.get('length'), 2);
postStream.prependPost(p1);
assert.equal(postStream.get('posts.length'), 3);
assert.equal(postsWithPlaceholders.get('length'), 3);
assert.ok(!p1.get('daysSincePrevious'));
assert.equal(p2.get('daysSincePrevious'), 2);
@ -64,6 +71,7 @@ test('daysSincePrevious when prepending', function(assert) {
test('appending posts', function() {
const postStream = buildStream(4567, [1, 3, 4]);
const store = postStream.store;
const postsWithPlaceholders = postStream.get('postsWithPlaceholders');
equal(postStream.get('firstPostId'), 1);
equal(postStream.get('lastPostId'), 4, "the last post id is 4");
@ -72,24 +80,29 @@ test('appending posts', function() {
ok(!postStream.get('firstPostPresent'), "the first post is not loaded");
ok(!postStream.get('loadedAllPosts'), "the last post is not loaded");
equal(postStream.get('posts.length'), 0, "it has no posts initially");
equal(postsWithPlaceholders.get('length'), 0);
postStream.appendPost(store.createRecord('post', {id: 2, post_number: 2}));
ok(!postStream.get('firstPostPresent'), "the first post is still not loaded");
equal(postStream.get('posts.length'), 1, "it has one post in the stream");
equal(postsWithPlaceholders.get('length'), 1);
postStream.appendPost(store.createRecord('post', {id: 4, post_number: 4}));
ok(!postStream.get('firstPostPresent'), "the first post is still loaded");
ok(postStream.get('loadedAllPosts'), "the last post is now loaded");
equal(postStream.get('posts.length'), 2, "it has two posts in the stream");
equal(postsWithPlaceholders.get('length'), 2);
postStream.appendPost(store.createRecord('post', {id: 4, post_number: 4}));
equal(postStream.get('posts.length'), 2, "it will not add the same post with id twice");
equal(postsWithPlaceholders.get('length'), 2);
const stagedPost = store.createRecord('post', {raw: 'incomplete post'});
postStream.appendPost(stagedPost);
equal(postStream.get('posts.length'), 3, "it can handle posts without ids");
postStream.appendPost(stagedPost);
equal(postStream.get('posts.length'), 3, "it won't add the same post without an id twice");
equal(postsWithPlaceholders.get('length'), 3);
// change the stream
postStream.set('stream', [1, 2, 4]);
@ -130,6 +143,7 @@ test('updateFromJson', function() {
test("removePosts", function() {
const postStream = buildStream(10000001, [1,2,3]);
const store = postStream.store;
const postsWithPlaceholders = postStream.get('postsWithPlaceholders');
const p1 = store.createRecord('post', {id: 1, post_number: 2}),
p2 = store.createRecord('post', {id: 2, post_number: 3}),
@ -138,15 +152,17 @@ test("removePosts", function() {
postStream.appendPost(p1);
postStream.appendPost(p2);
postStream.appendPost(p3);
equal(postsWithPlaceholders.get('length'), 3);
// Removing nothing does nothing
postStream.removePosts();
equal(postStream.get('posts.length'), 3);
equal(postsWithPlaceholders.get('length'), 3);
postStream.removePosts([p1, p3]);
equal(postStream.get('posts.length'), 1);
deepEqual(postStream.get('stream'), [2]);
equal(postsWithPlaceholders.get('length'), 1);
});
test("cancelFilter", function() {
@ -334,6 +350,7 @@ test("loading a post's history", function() {
test("staging and undoing a new post", function() {
const postStream = buildStream(10101, [1]);
const store = postStream.store;
const postsWithPlaceholders = postStream.get('postsWithPlaceholders');
const original = store.createRecord('post', {id: 1, post_number: 1, topic_id: 10101});
postStream.appendPost(original);
@ -347,6 +364,7 @@ test("staging and undoing a new post", function() {
posts_count: 1,
highest_post_number: 1
});
equal(postsWithPlaceholders.get('length'), 1);
// Stage the new post in the stream
const result = postStream.stagePost(stagedPost, user);
@ -356,6 +374,7 @@ test("staging and undoing a new post", function() {
ok(postStream.get('lastAppended'), original, "it doesn't consider staged posts as the lastAppended");
equal(topic.get('posts_count'), 2, "it increases the post count");
equal(postsWithPlaceholders.get('length'), 2);
present(topic.get('last_posted_at'), "it updates last_posted_at");
equal(topic.get('details.last_poster'), user, "it changes the last poster");
@ -371,6 +390,7 @@ test("staging and undoing a new post", function() {
ok(!postStream.get('loading'), "it is no longer loading");
equal(topic.get('highest_post_number'), 1, "it reverts the highest_post_number");
equal(topic.get('posts_count'), 1, "it reverts the post count");
equal(postsWithPlaceholders.get('length'), 1);
equal(postStream.get('filteredPostsCount'), 1, "it retains the filteredPostsCount");
ok(!postStream.get('posts').contains(stagedPost), "the post is removed from the stream");
ok(postStream.get('lastAppended'), original, "it doesn't consider undid post lastAppended");
@ -379,6 +399,7 @@ test("staging and undoing a new post", function() {
test("staging and committing a post", function() {
const postStream = buildStream(10101, [1]);
const store = postStream.store;
const postsWithPlaceholders = postStream.get('postsWithPlaceholders');
const original = store.createRecord('post', {id: 1, post_number: 1, topic_id: 10101});
postStream.appendPost(original);
@ -390,6 +411,8 @@ test("staging and committing a post", function() {
const topic = postStream.get('topic');
topic.set('posts_count', 1);
equal(postsWithPlaceholders.get('length'), 1);
// Stage the new post in the stream
let result = postStream.stagePost(stagedPost, user);
equal(result, "staged", "it returns staged");
@ -400,6 +423,7 @@ test("staging and committing a post", function() {
result = postStream.stagePost(stagedPost, user);
equal(result, "alreadyStaging", "you can't stage a post while it is currently staging");
ok(postStream.get('lastAppended'), original, "staging a post doesn't change the lastAppended");
equal(postsWithPlaceholders.get('length'), 2);
postStream.commitPost(stagedPost);
ok(postStream.get('posts').contains(stagedPost), "the post is still in the stream");
@ -412,6 +436,7 @@ test("staging and committing a post", function() {
ok(postStream.indexOf(stagedPost) > -1, "the post is in the stream");
equal(found.get('raw'), 'different raw value', 'it also updated the value in the stream');
ok(postStream.get('lastAppended'), found, "comitting a post changes lastAppended");
equal(postsWithPlaceholders.get('length'), 2);
});
test('triggerNewPostInStream', function() {
@ -483,8 +508,6 @@ test("postsWithPlaceholders", () => {
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});
@ -496,7 +519,6 @@ test("postsWithPlaceholders", () => {
// Test enumerable and array access
equal(postsWithPlaceholders.get('length'), 3);
equal(testProxy.get('length'), 3);
equal(postsWithPlaceholders.nextObject(0), p1);
equal(postsWithPlaceholders.objectAt(0), p1);
equal(postsWithPlaceholders.nextObject(1, p1), p2);
@ -506,17 +528,13 @@ test("postsWithPlaceholders", () => {
const promise = postStream.appendMore();
equal(postsWithPlaceholders.get('length'), 8, 'we immediately have a larger placeholder window');
equal(testProxy.get('length'), 8);
ok(!!postsWithPlaceholders.nextObject(3, p3));
ok(!!postsWithPlaceholders.objectAt(4));
ok(postsWithPlaceholders.objectAt(3) !== p4);
ok(testProxy.objectAt(3) !== p4);
return promise.then(() => {
equal(postsWithPlaceholders.objectAt(3), p4);
equal(postsWithPlaceholders.get('length'), 8, 'have a larger placeholder window when loaded');
equal(testProxy.get('length'), 8);
equal(testProxy.objectAt(3), p4);
});
});