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|
# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::Config::External::Rules, feature_category: :pipeline_composition do
let(:context) { double(variables_hash: {}) }
let(:rule_hashes) {}
let(:pipeline) { instance_double(Ci::Pipeline) }
let_it_be(:project) { create(:project, :custom_repo, files: { 'file.txt' => 'file' }) }
subject(:rules) { described_class.new(rule_hashes) }
before do
allow(context).to receive(:project).and_return(project)
allow(context).to receive(:pipeline).and_return(pipeline)
end
describe '#evaluate' do
subject(:result) { rules.evaluate(context).pass? }
context 'when there is no rule' do
it { is_expected.to eq(true) }
end
shared_examples 'with when: specified' do
context 'with when: never' do
before do
rule_hashes.first[:when] = 'never'
end
it { is_expected.to eq(false) }
end
context 'with when: always' do
before do
rule_hashes.first[:when] = 'always'
end
it { is_expected.to eq(true) }
end
context 'with when: <invalid string>' do
before do
rule_hashes.first[:when] = 'on_success'
end
it 'raises an error' do
expect { result }.to raise_error(described_class::InvalidIncludeRulesError, /when unknown value: on_success/)
end
end
context 'with when: null' do
before do
rule_hashes.first[:when] = nil
end
it { is_expected.to eq(true) }
end
end
context 'when there is a rule with if:' do
let(:rule_hashes) { [{ if: '$MY_VAR == "hello"' }] }
context 'when the rule matches' do
let(:context) { double(variables_hash: { 'MY_VAR' => 'hello' }) }
it { is_expected.to eq(true) }
it_behaves_like 'with when: specified'
end
context 'when the rule does not match' do
let(:context) { double(variables_hash: { 'MY_VAR' => 'invalid' }) }
it { is_expected.to eq(false) }
end
end
context 'when there is a rule with exists:' do
let(:rule_hashes) { [{ exists: 'file.txt' }] }
context 'when the file exists' do
let(:context) { double(top_level_worktree_paths: ['file.txt']) }
it { is_expected.to eq(true) }
it_behaves_like 'with when: specified'
end
context 'when the file does not exist' do
let(:context) { double(top_level_worktree_paths: ['README.md']) }
it { is_expected.to eq(false) }
end
end
context 'when there is a rule with changes:' do
let(:rule_hashes) { [{ changes: ['file.txt'] }] }
shared_examples 'when the pipeline has modified paths' do
let(:modified_paths) { ['file.txt'] }
before do
allow(pipeline).to receive(:modified_paths).and_return(modified_paths)
end
context 'when the file has changed' do
it { is_expected.to eq(true) }
it_behaves_like 'with when: specified'
end
context 'when the file has not changed' do
let(:modified_paths) { ['README.md'] }
it { is_expected.to eq(false) }
end
end
it_behaves_like 'when the pipeline has modified paths'
context 'with paths: specified' do
let(:rule_hashes) { [{ changes: { paths: ['file.txt'] } }] }
it_behaves_like 'when the pipeline has modified paths'
end
context 'with paths: and compare_to: specified' do
before_all do
project.repository.add_branch(project.owner, 'branch1', 'master')
project.repository.update_file(
project.owner, 'file.txt', 'file updated', message: 'Update file.txt', branch_name: 'branch1'
)
project.repository.add_branch(project.owner, 'branch2', 'branch1')
end
let_it_be(:pipeline) do
build(:ci_pipeline, project: project, ref: 'branch2', sha: project.commit('branch2').sha)
end
context 'when the file has changed compared to the given ref' do
let(:rule_hashes) { [{ changes: { paths: ['file.txt'], compare_to: 'master' } }] }
it { is_expected.to eq(true) }
it_behaves_like 'with when: specified'
end
context 'when the file has not changed compared to the given ref' do
let(:rule_hashes) { [{ changes: { paths: ['file.txt'], compare_to: 'branch1' } }] }
it { is_expected.to eq(false) }
end
context 'when compare_to: is invalid' do
let(:rule_hashes) { [{ changes: { paths: ['file.txt'], compare_to: 'invalid' } }] }
it 'raises an error' do
expect { result }.to raise_error(described_class::InvalidIncludeRulesError, /compare_to is not a valid ref/)
end
end
end
end
context 'when there is a rule with an invalid key' do
let(:rule_hashes) { [{ invalid: ['$MY_VAR'] }] }
it 'raises an error' do
expect { result }.to raise_error(described_class::InvalidIncludeRulesError, /contains unknown keys: invalid/)
end
end
end
end
|
