discourse/spec/models/post_revision_spec.rb

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require 'spec_helper'
require_dependency 'post_revision'
describe PostRevision do
before do
@number = 1
end
def create_rev(modifications, post_id=1)
@number += 1
PostRevision.create!(post_id: post_id, user_id: 1, number: @number, modifications: modifications)
end
it "can grab history from current object" do
p = PostRevision.new(modifications: {"foo" => ["bar", "bar1"]})
p.previous("foo").should == "bar"
p.current("foo").should == "bar1"
end
it "can fallback to previous revisions if needed" do
create_rev("foo" => ["A", "B"])
r2 = create_rev("bar" => ["C", "D"])
r2.current("foo").should == "B"
r2.previous("foo").should == "B"
end
it "can fallback to post if needed" do
post = Fabricate(:post)
r = create_rev({"foo" => ["A", "B"]}, post.id)
r.current("raw").should == post.raw
r.previous("raw").should == post.raw
r.current("cooked").should == post.cooked
r.previous("cooked").should == post.cooked
end
it "can fallback to topic if needed" do
post = Fabricate(:post)
r = create_rev({"foo" => ["A", "B"]}, post.id)
r.current("title").should == post.topic.title
r.previous("title").should == post.topic.title
end
it "can find title changes" do
r = create_rev({"title" => ["hello", "frog"]})
r.title_changes[:inline].should =~ /frog.*hello/
r.title_changes[:side_by_side].should =~ /hello.*frog/
end
it "can find category changes" do
cat1 = Fabricate(:category, name: "cat1")
cat2 = Fabricate(:category, name: "cat2")
r = create_rev({"category_id" => [cat1.id, cat2.id]})
changes = r.category_changes
changes[:previous_category_id].should == cat1.id
changes[:current_category_id].should == cat2.id
end
end