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Versions: 9
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Contents
require 'spec_helper'
describe ActiveRecord::Turntable::Algorithm::ModuloAlgorithm 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::ModuloAlgorithm.new(ActiveRecord::Base.turntable_config[:clusters][:mod_cluster])
end
context "#calculate with 1" do
subject { @alg.calculate(1) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][1][:connection]) }
end
context "#calculate with 3" do
subject { @alg.calculate(3) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][3][:connection]) }
end
context "#calculate with 5" do
subject { @alg.calculate(5) }
it { is_expected.to eq(ActiveRecord::Base.turntable_config[:clusters][:user_cluster][:shards][0][:connection]) }
end
context "#calculate with a value that is not a number" do
it "raises ActiveRecord::Turntable::CannotSpecifyShardError" do
expect { @alg.calculate('a') }.to raise_error(ActiveRecord::Turntable::CannotSpecifyShardError)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems