64 lines
2.0 KiB
Ruby
64 lines
2.0 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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RSpec.describe Gitlab::Utils::LogLimitedArray do
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describe '.log_limited_array' do
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context 'when the argument is not an array' do
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it 'returns an empty array' do
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expect(described_class.log_limited_array('aa')).to eq([])
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end
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end
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context 'when the argument is an array' do
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context 'when the array is under the limit' do
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it 'returns the array unchanged' do
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expect(described_class.log_limited_array(%w[a b])).to eq(%w[a b])
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end
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end
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context 'when the array exceeds the limit' do
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let(:long_array) do
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half_limit = described_class::MAXIMUM_ARRAY_LENGTH / 2
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['a' * half_limit, 'b' * half_limit, 'c']
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end
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context 'when no sentinel value is passed' do
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it 'replaces arguments after the limit with an ellipsis string' do
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expect(described_class.log_limited_array(long_array))
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.to eq(long_array.take(1) + ['...'])
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end
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end
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context 'when a sentinel value is passed' do
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it 'replaces arguments after the limit with the sentinel' do
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sentinel = { truncated: true }
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expect(described_class.log_limited_array(long_array, sentinel: sentinel))
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.to eq(long_array.take(1) + [sentinel])
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end
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end
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end
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context 'when the array contains arrays and hashes' do
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it 'calculates the size based on the JSON representation' do
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long_array = [
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'a',
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['b'] * 10,
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{ c: 'c' * 10 },
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# Each character in the array takes up four characters: the
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# character itself, the two quotes, and the comma (closing
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# square bracket for the last item)
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['d'] * (described_class::MAXIMUM_ARRAY_LENGTH / 4),
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'e'
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]
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expect(described_class.log_limited_array(long_array))
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.to eq(long_array.take(3) + ['...'])
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end
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end
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end
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end
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end
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