45 lines
1.1 KiB
Ruby
45 lines
1.1 KiB
Ruby
require 'spec_helper'
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describe Gitlab::LoopHelpers do
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let(:class_instance) { (Class.new { include ::Gitlab::LoopHelpers }).new }
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describe '#loop_until' do
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subject do
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class_instance.loop_until(**params) { true }
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end
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context 'when limit is not given' do
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let(:params) { { limit: nil } }
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it 'raises an error' do
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expect { subject }.to raise_error(ArgumentError)
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end
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end
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context 'when timeout is specified' do
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let(:params) { { timeout: 1.second } }
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it "returns false after it's expired" do
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is_expected.to be_falsy
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end
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it 'executes the block at least once' do
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expect { |b| class_instance.loop_until(**params, &b) }
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.to yield_control.at_least(1)
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end
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end
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context 'when iteration limit is specified' do
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let(:params) { { limit: 1 } }
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it "returns false after it's expired" do
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is_expected.to be_falsy
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end
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it 'executes the block once' do
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expect { |b| class_instance.loop_until(**params, &b) }
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.to yield_control.once
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end
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end
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end
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end
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