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Contents
require 'spec_helper'
describe ActiveRecord::Turntable::Algorithm::RangeBsearchAlgorithm do
before(:all) do
reload_turntable!(File.join(File.dirname(__FILE__), "../../../config/turntable.yml"))
end
context "When initialized" do
before do
@alg = ActiveRecord::Turntable::Algorithm::RangeBsearchAlgorithm.new(ActiveRecord::Base.turntable_config[:clusters][:user_cluster])
end
context "#calculate with 1" do
subject { @alg.calculate(1) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][0][:connection]) }
end
context "#calculate with 19999" do
subject { @alg.calculate(19999) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][0][:connection]) }
end
context "#calculate with 20000" do
subject { @alg.calculate(20000) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][1][:connection]) }
end
context "#calculate with 10000000" do
it "raises ActiveRecord::Turntable::CannotSpecifyShardError" do
expect { @alg.calculate(10000000) }.to raise_error(ActiveRecord::Turntable::CannotSpecifyShardError)
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems