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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::Config::Interpolation::Functions::Truncate, feature_category: :pipeline_composition do
it 'matches exactly the truncate function with 2 numeric arguments' do
expect(described_class.matches?('truncate(1,2)')).to be_truthy
expect(described_class.matches?('truncate( 11 , 222 )')).to be_truthy
expect(described_class.matches?('truncate( string , 222 )')).to be_falsey
expect(described_class.matches?('truncate(222)')).to be_falsey
expect(described_class.matches?('unknown(1,2)')).to be_falsey
end
it 'truncates the given input' do
function = described_class.new('truncate(1,2)', nil)
output = function.execute('test')
expect(function).to be_valid
expect(output).to eq('es')
end
context 'when given a non-string input' do
it 'returns an error' do
function = described_class.new('truncate(1,2)', nil)
function.execute(100)
expect(function).not_to be_valid
expect(function.errors).to contain_exactly(
'error in `truncate` function: invalid input type: truncate can only be used with string inputs'
)
end
end
end
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