spec/models/flag_spec.rb
require "rails_helper"
describe Flag do
let(:user) { create(:user) }
let(:comment) { create(:comment) }
describe ".flag" do
it "creates a flag when there is none" do
expect { Flag.flag(user, comment) }.to change { Flag.count }.by(1)
expect(Flag.last.user).to eq(user)
expect(Flag.last.flaggable).to eq(comment)
end
it "does nothing if the flag already exists" do
Flag.flag(user, comment)
expect(Flag.flag(user, comment)).to be false
expect(Flag.by_user_and_flaggable(user, comment).count).to eq(1)
end
it "increases the flag count" do
expect { Flag.flag(user, comment) }.to change { comment.reload.flags_count }.by(1)
end
end
describe ".unflag" do
it "raises an error if the flag does not exist" do
expect(Flag.unflag(user, comment)).to be false
end
describe "when the flag already exists" do
before { Flag.flag(user, comment) }
it "removes an existing flag" do
expect { Flag.unflag(user, comment) }.to change { Flag.count }.by(-1)
end
it "decreases the flag count" do
expect { Flag.unflag(user, comment) }.to change { comment.reload.flags_count }.by(-1)
end
end
end
describe ".flagged?" do
it "returns false when the user has not flagged the comment" do
expect(Flag.flagged?(user, comment)).not_to be
end
it "returns true when the user has flagged the comment" do
Flag.flag(user, comment)
expect(Flag.flagged?(user, comment)).to be
end
end
end