discourse/spec/models/topic_link_spec.rb

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require 'spec_helper'
describe TopicLink do
it { should belong_to :topic }
it { should belong_to :post }
it { should belong_to :user }
it { should have_many :topic_link_clicks }
it { should validate_presence_of :url }
def test_uri
URI.parse(Discourse.base_url)
end
before do
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@topic = Fabricate(:topic, title: 'unique topic name')
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@user = @topic.user
end
it "can't link to the same topic" do
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ftl = TopicLink.new(url: "/t/#{@topic.id}",
topic_id: @topic.id,
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link_topic_id: @topic.id)
ftl.valid?.should be_false
end
describe 'external links' do
before do
@post = Fabricate(:post_with_external_links, user: @user, topic: @topic)
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TopicLink.extract_from(@post)
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end
it 'has the forum topic links' do
@topic.topic_links.count.should == 4
end
it 'works with markdown links' do
@topic.topic_links.exists?(url: "http://forumwarz.com").should be_true
end
it 'works with markdown links followed by a period' do
@topic.topic_links.exists?(url: "http://www.codinghorror.com/blog").should be_true
end
end
describe 'internal links' do
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context "rendered onebox" do
before do
@other_topic = Fabricate(:topic, user: @user)
@other_topic.posts.create(user: @user, raw: "some content for the first post")
@other_post = @other_topic.posts.create(user: @user, raw: "some content for the second post")
@url = "http://#{test_uri.host}/t/#{@other_topic.slug}/#{@other_topic.id}/#{@other_post.post_number}"
@topic.posts.create(user: @user, raw: 'initial post')
@post = @topic.posts.create(user: @user, raw: "Link to another topic:\n\n#{@url}\n\n")
@post.reload
TopicLink.extract_from(@post)
@link = @topic.topic_links.first
end
it "should have a link" do
@link.should be_present
end
it "should be the canonical URL" do
@link.url.should == @url
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end
end
context 'topic link' do
before do
@other_topic = Fabricate(:topic, user: @user)
@other_post = @other_topic.posts.create(user: @user, raw: "some content")
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@url = "http://#{test_uri.host}/t/#{@other_topic.slug}/#{@other_topic.id}"
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@topic.posts.create(user: @user, raw: 'initial post')
@post = @topic.posts.create(user: @user, raw: "Link to another topic: #{@url}")
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TopicLink.extract_from(@post)
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@link = @topic.topic_links.first
end
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it 'extracted the link' do
@link.should be_present
end
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it 'is set to internal' do
@link.should be_internal
end
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it 'has the correct url' do
@link.url.should == @url
end
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it 'has the extracted domain' do
@link.domain.should == test_uri.host
end
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it 'should have the id of the linked forum' do
@link.link_topic_id == @other_topic.id
end
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it 'should not be the reflection' do
@link.should_not be_reflection
end
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describe 'reflection in the other topic' do
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before do
@reflection = @other_topic.topic_links.first
end
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it 'exists' do
@reflection.should be_present
end
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it 'is a reflection' do
@reflection.should be_reflection
end
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it 'has a post_id' do
@reflection.post_id.should be_present
end
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it 'has the correct host' do
@reflection.domain.should == test_uri.host
end
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it 'has the correct url' do
@reflection.url.should == "http://#{test_uri.host}/t/unique-topic-name/#{@topic.id}/#{@post.post_number}"
end
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it 'links to the original forum topic' do
@reflection.link_topic_id.should == @topic.id
end
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it 'links to the original post' do
@reflection.link_post_id.should == @post.id
end
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it 'has the user id of the original link' do
@reflection.user_id.should == @link.user_id
end
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end
context 'removing a link' do
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before do
@post.revise(@post.user, "no more linkies")
TopicLink.extract_from(@post)
end
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it 'should remove the link' do
@topic.topic_links.where(post_id: @post.id).should be_blank
end
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it 'should remove the reflected link' do
@reflection = @other_topic.topic_links.should be_blank
end
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end
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end
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context "link to a user on discourse" do
let(:post) { @topic.posts.create(user: @user, raw: "<a href='/users/#{@user.username_lower}'>user</a>") }
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before do
TopicLink.extract_from(post)
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end
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it 'does not extract a link' do
@topic.topic_links.should be_blank
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end
end
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context "link to a discourse resource like a FAQ" do
let(:post) { @topic.posts.create(user: @user, raw: "<a href='/faq'>faq link here</a>") }
before do
TopicLink.extract_from(post)
end
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it 'does not extract a link' do
@topic.topic_links.should be_present
end
end
context "@mention links" do
let(:post) { @topic.posts.create(user: @user, raw: "Hey @#{@user.username_lower}") }
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before do
TopicLink.extract_from(post)
end
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it 'does not extract a link' do
@topic.topic_links.should be_blank
end
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end
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end
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describe 'internal link from pm' do
before do
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@pm = Fabricate(:topic, user: @user, archetype: 'private_message')
@other_post = @pm.posts.create(user: @user, raw: "some content")
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@url = "http://#{test_uri.host}/t/topic-slug/#{@topic.id}"
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@pm.posts.create(user: @user, raw: 'initial post')
@linked_post = @pm.posts.create(user: @user, raw: "Link to another topic: #{@url}")
TopicLink.extract_from(@linked_post)
@link = @topic.topic_links.first
end
it 'should not create a reflection' do
@topic.topic_links.first.should be_nil
end
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it 'should not create a normal link' do
@pm.topic_links.first.should_not be_nil
end
end
describe 'internal link with non-standard port' do
it 'includes the non standard port if present' do
@other_topic = Fabricate(:topic, user: @user)
SiteSetting.stubs(:port).returns(5678)
alternate_uri = URI.parse(Discourse.base_url)
@url = "http://#{alternate_uri.host}:5678/t/topic-slug/#{@other_topic.id}"
@post = @topic.posts.create(user: @user,
raw: "Link to another topic: #{@url}")
TopicLink.extract_from(@post)
@reflection = @other_topic.topic_links.first
@reflection.url.should == "http://#{alternate_uri.host}:5678/t/unique-topic-name/#{@topic.id}"
end
end
end