diaspora/spec/presenters/post_presenter_spec.rb
2016-11-28 15:56:56 +02:00

155 lines
4.9 KiB
Ruby

describe PostPresenter do
before do
@sm = FactoryGirl.create(:status_message, public: true)
@sm_with_poll = FactoryGirl.create(:status_message_with_poll, public: true)
@presenter = PostPresenter.new(@sm, bob)
@unauthenticated_presenter = PostPresenter.new(@sm)
end
it "takes a post and an optional user" do
expect(@presenter).not_to be_nil
end
describe "#as_json" do
it "works with a user" do
expect(@presenter.as_json).to be_a Hash
end
it "works without a user" do
expect(@unauthenticated_presenter.as_json).to be_a Hash
end
end
describe "#user_like" do
it "includes the users like" do
bob.like!(@sm)
expect(@presenter.send(:user_like)).to be_present
end
it "is nil if the user is not authenticated" do
expect(@unauthenticated_presenter.send(:user_like)).to be_nil
end
end
describe "#user_reshare" do
it "includes the users reshare" do
bob.reshare!(@sm)
expect(@presenter.send(:user_reshare)).to be_present
end
it "is nil if the user is not authenticated" do
expect(@unauthenticated_presenter.send(:user_reshare)).to be_nil
end
end
describe "#root" do
it "does not raise if the absolute_root does not exists" do
first_reshare = FactoryGirl.create :reshare
first_reshare.root = nil
reshare = FactoryGirl.create :reshare, root: first_reshare
expect {
PostPresenter.new(reshare).send(:root)
}.to_not raise_error
end
it "does not raise if the root does not exists" do
reshare = FactoryGirl.create :reshare
reshare.root = nil
expect {
PostPresenter.new(reshare).send(:root)
}.to_not raise_error
end
end
describe "#title" do
context "with posts with text" do
it "delegates to message.title" do
message = double(present?: true)
expect(message).to receive(:title)
@presenter.post = double(message: message)
@presenter.send(:title)
end
end
context "with posts without text" do
it "displays a messaage with the post class" do
@sm = double(message: double(present?: false), author: bob.person, author_name: bob.person.name)
@presenter.post = @sm
expect(@presenter.send(:title)).to eq("A post from #{@sm.author.name}")
end
end
end
describe "#poll" do
it "works without a user" do
presenter = PostPresenter.new(@sm_with_poll)
expect(presenter.as_json).to be_a(Hash)
end
end
describe "#tags" do
it "returns the tag of the post" do
post = FactoryGirl.create(:status_message, text: "#hello #world", public: true)
expect(PostPresenter.new(post).send(:tags)).to match_array(%w(hello world))
end
it "returns the tag of the absolute_root of a Reshare" do
post = FactoryGirl.create(:status_message, text: "#hello #world", public: true)
first_reshare = FactoryGirl.create(:reshare, root: post)
second_reshare = FactoryGirl.create(:reshare, root: first_reshare)
expect(PostPresenter.new(second_reshare).send(:tags)).to match_array(%w(hello world))
end
it "does not raise if the root of a reshare does not exist anymore" do
reshare = FactoryGirl.create(:reshare)
reshare.root = nil
expect(PostPresenter.new(reshare).send(:tags)).to eq([])
end
end
describe "#description" do
it "returns the first 1000 chars of the text" do
post = FactoryGirl.create(:status_message, text: "a" * 1001, public: true)
expect(PostPresenter.new(post).send(:description)).to eq("#{'a' * 997}...")
end
it "does not change the message if less or equal 1000 chars" do
post = FactoryGirl.create(:status_message, text: "a" * 1000, public: true)
expect(PostPresenter.new(post).send(:description)).to eq("a" * 1000)
end
it "does not raise if the root of a reshare does not exist anymore" do
reshare = FactoryGirl.create(:reshare)
reshare.update(root: nil)
expect(PostPresenter.new(Post.find(reshare.id)).send(:description)).to eq(nil)
end
end
describe "#build_open_graph_cache" do
it "returns a dummy og cache if the og cache is missing" do
expect(@presenter.build_open_graph_cache.image).to be_nil
end
context "with an open graph cache" do
it "delegates to as_api_response" do
og_cache = double("open_graph_cache")
expect(og_cache).to receive(:as_api_response).with(:backbone)
@presenter.post = double(open_graph_cache: og_cache)
@presenter.send(:build_open_graph_cache)
end
it "returns the open graph cache data" do
open_graph_cache = FactoryGirl.create(:open_graph_cache)
post = FactoryGirl.create(:status_message, public: true, open_graph_cache: open_graph_cache)
expect(PostPresenter.new(post).send(:build_open_graph_cache)).to eq(open_graph_cache.as_api_response(:backbone))
end
end
end
end