discourse/spec/components/rate_limiter_spec.rb

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require 'spec_helper'
require 'rate_limiter'
describe RateLimiter do
let(:user) { Fabricate(:user) }
let(:rate_limiter) { RateLimiter.new(user, "peppermint-butler", 2, 60) }
context 'disabled' do
before do
RateLimiter.stubs(:disabled?).returns(true)
rate_limiter.performed!
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rate_limiter.performed!
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end
it "returns true for can_perform?" do
rate_limiter.can_perform?.should be_true
end
it "doesn't raise an error on performed!" do
lambda { rate_limiter.performed! }.should_not raise_error
end
end
context 'enabled' do
before do
RateLimiter.stubs(:disabled?).returns(false)
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rate_limiter.clear!
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end
context 'never done' do
it "should perform right away" do
rate_limiter.can_perform?.should be_true
end
it "performs without an error" do
lambda { rate_limiter.performed! }.should_not raise_error
end
end
context "multiple calls" do
before do
rate_limiter.performed!
rate_limiter.performed!
end
it "returns false for can_perform when the limit has been hit" do
rate_limiter.can_perform?.should be_false
end
it "raises an error the third time called" do
lambda { rate_limiter.performed! }.should raise_error(RateLimiter::LimitExceeded)
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end
context "as an admin/moderator" do
it "returns true for can_perform if the user is an admin" do
user.admin = true
rate_limiter.can_perform?.should be_true
end
it "doesn't raise an error when an admin performs the task" do
user.admin = true
lambda { rate_limiter.performed! }.should_not raise_error
end
it "returns true for can_perform if the user is a mod" do
user.moderator = true
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rate_limiter.can_perform?.should be_true
end
it "doesn't raise an error when a moderator performs the task" do
user.moderator = true
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lambda { rate_limiter.performed! }.should_not raise_error
end
end
context "rollback!" do
before do
rate_limiter.rollback!
end
it "returns true for can_perform since there is now room" do
rate_limiter.can_perform?.should be_true
end
it "raises no error now that there is room" do
lambda { rate_limiter.performed! }.should_not raise_error
end
end
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end
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end
end