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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::Config::Interpolation::Interpolator, feature_category: :pipeline_composition do
let_it_be(:project) { create(:project) }
let(:result) { ::Gitlab::Ci::Config::Yaml::Result.new(config: [header, content]) }
subject { described_class.new(result, arguments, []) }
context 'when input data is valid' do
let(:header) do
{ spec: { inputs: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.website ]]' }
end
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'correctly interpolates the config' do
subject.interpolate!
expect(subject).to be_interpolated
expect(subject).to be_valid
expect(subject.to_hash).to eq({ test: 'deploy gitlab.com' })
end
end
context 'when config has a syntax error' do
let(:result) { ::Gitlab::Ci::Config::Yaml::Result.new(error: 'Invalid configuration format') }
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'surfaces an error about invalid config' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.error_message).to eq subject.errors.first
expect(subject.errors).to include 'Invalid configuration format'
end
end
context 'when spec header is missing but inputs are specified' do
let(:header) { nil }
let(:content) { { test: 'echo' } }
let(:arguments) { { foo: 'bar' } }
it 'surfaces an error about invalid inputs' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.error_message).to eq subject.errors.first
expect(subject.errors).to include('Given inputs not defined in the `spec` section of the included ' \
'configuration file')
end
end
context 'when spec header is invalid' do
let(:header) do
{ spec: { arguments: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.website ]]' }
end
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'surfaces an error about invalid header' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.error_message).to eq subject.errors.first
expect(subject.errors).to include('header:spec config contains unknown keys: arguments')
end
end
context 'when provided interpolation argument is invalid' do
let(:header) do
{ spec: { inputs: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.website ]]' }
end
let(:arguments) do
{ website: ['gitlab.com'] }
end
it 'returns an error' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.error_message).to eq subject.errors.first
expect(subject.errors).to include '`website` input: provided value is not a string'
end
end
context 'when interpolation block is invalid' do
let(:header) do
{ spec: { inputs: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.abc ]]' }
end
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'returns an error' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.errors).to include 'unknown interpolation key: `abc`'
expect(subject.error_message).to eq 'interpolation interrupted by errors, unknown interpolation key: `abc`'
end
end
context 'when multiple interpolation blocks are invalid' do
let(:header) do
{ spec: { inputs: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.something.abc ]] $[[ inputs.cde ]] $[[ efg ]]' }
end
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'returns an error' do
subject.interpolate!
expect(subject).not_to be_valid
expect(subject.error_message)
.to eq 'interpolation interrupted by errors, unknown interpolation key: `something`'
end
end
describe '#to_hash' do
context 'when interpolation is not used' do
let(:result) do
::Gitlab::Ci::Config::Yaml::Result.new(config: content)
end
let(:content) do
{ test: 'deploy production' }
end
let(:arguments) { nil }
it 'returns original content' do
subject.interpolate!
expect(subject.to_hash).to eq(content)
end
end
context 'when interpolation is available' do
let(:header) do
{ spec: { inputs: { website: nil } } }
end
let(:content) do
{ test: 'deploy $[[ inputs.website ]]' }
end
let(:arguments) do
{ website: 'gitlab.com' }
end
it 'correctly interpolates content' do
subject.interpolate!
expect(subject.to_hash).to eq({ test: 'deploy gitlab.com' })
end
end
end
end
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