discourse/spec/lib/post_action_destroyer_spec.rb

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# frozen_string_literal: true
RSpec.describe PostActionDestroyer do
fab!(:admin) { Fabricate(:admin) }
fab!(:user) { Fabricate(:user) }
fab!(:post) { Fabricate(:post) }
describe "#perform" do
context "with like" do
context "when post action exists" do
before { PostActionCreator.new(user, post, PostActionType.types[:like]).perform }
it "destroys the post action" do
expect { PostActionDestroyer.destroy(user, post, :like) }.to change {
PostAction.count
}.by(-1)
end
it "notifies subscribers" do
expect(post.reload.like_count).to eq(1)
messages = MessageBus.track_publish { PostActionDestroyer.destroy(user, post, :like) }
message = messages.find { |msg| msg.data[:type] === :unliked }.data
expect(message).to be_present
expect(message[:type]).to eq(:unliked)
expect(message[:likes_count]).to eq(0)
expect(message[:user_id]).to eq(user.id)
end
it "notifies updated topic stats to subscribers" do
topic = Fabricate(:topic)
post = Fabricate(:post, topic: topic)
PostActionCreator.new(user, post, PostActionType.types[:like]).perform
expect(post.reload.like_count).to eq(1)
messages =
MessageBus.track_publish("/topic/#{topic.id}") do
PostActionDestroyer.destroy(user, post, :like)
end
stats_message = messages.select { |msg| msg.data[:type] == :stats }.first
expect(stats_message).to be_present
expect(stats_message.data[:like_count]).to eq(0)
end
end
context "when post action doesnt exist" do
it "fails" do
result = PostActionDestroyer.destroy(user, post, :like)
expect(result.success).to eq(false)
expect(result.not_found).to eq(true)
end
end
end
context "with any other notifiable type" do
before { PostActionCreator.new(user, post, PostActionType.types[:spam]).perform }
it "destroys the post action" do
expect { PostActionDestroyer.destroy(user, post, :spam) }.to change { PostAction.count }.by(
-1,
)
end
it "notifies subscribers" do
messages = MessageBus.track_publish { PostActionDestroyer.destroy(user, post, :spam) }
expect(messages.last.data[:type]).to eq(:acted)
end
end
end
end