diff options
Diffstat (limited to 'spec/lib/gitlab/changelog/ast_spec.rb')
| -rw-r--r-- | spec/lib/gitlab/changelog/ast_spec.rb | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/spec/lib/gitlab/changelog/ast_spec.rb b/spec/lib/gitlab/changelog/ast_spec.rb deleted file mode 100644 index fa15ac979fe..00000000000 --- a/spec/lib/gitlab/changelog/ast_spec.rb +++ /dev/null @@ -1,246 +0,0 @@ -# frozen_string_literal: true - -require 'spec_helper' - -RSpec.describe Gitlab::Changelog::AST::Identifier do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'evaluates a selector' do - data = { 'number' => 10 } - - expect(described_class.new('number').evaluate(state, data)).to eq(10) - end - - it 'returns nil if the key is not set' do - expect(described_class.new('number').evaluate(state, {})).to be_nil - end - - it 'returns nil if the input is not a Hash' do - expect(described_class.new('number').evaluate(state, 45)).to be_nil - end - - it 'returns the current data when using the special identifier "it"' do - expect(described_class.new('it').evaluate(state, 45)).to eq(45) - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Integer do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'evaluates a selector' do - expect(described_class.new(0).evaluate(state, [10])).to eq(10) - end - - it 'returns nil if the index is not set' do - expect(described_class.new(1).evaluate(state, [10])).to be_nil - end - - it 'returns nil if the input is not an Array' do - expect(described_class.new(0).evaluate(state, {})).to be_nil - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Selector do - let(:state) { Gitlab::Changelog::EvalState.new } - let(:data) { { 'numbers' => [10] } } - - describe '#evaluate' do - it 'evaluates a selector' do - ident = Gitlab::Changelog::AST::Identifier.new('numbers') - int = Gitlab::Changelog::AST::Integer.new(0) - - expect(described_class.new([ident, int]).evaluate(state, data)).to eq(10) - end - - it 'evaluates a selector that returns nil' do - int = Gitlab::Changelog::AST::Integer.new(0) - - expect(described_class.new([int]).evaluate(state, data)).to be_nil - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Variable do - let(:state) { Gitlab::Changelog::EvalState.new } - let(:data) { { 'numbers' => [10] } } - - describe '#evaluate' do - it 'evaluates a variable' do - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{{numbers.0}}') - .nodes[0] - - expect(node.evaluate(state, data)).to eq('10') - end - - it 'evaluates an undefined variable' do - node = - Gitlab::Changelog::Parser.new.parse_and_transform('{{foobar}}').nodes[0] - - expect(node.evaluate(state, data)).to eq('') - end - - it 'evaluates the special variable "it"' do - node = - Gitlab::Changelog::Parser.new.parse_and_transform('{{it}}').nodes[0] - - expect(node.evaluate(state, data)).to eq(data.to_s) - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Expressions do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'evaluates all expressions' do - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{{number}}foo') - - expect(node.evaluate(state, { 'number' => 10 })).to eq('10foo') - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Text do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'returns the text' do - expect(described_class.new('foo').evaluate(state, {})).to eq('foo') - end - end -end - -RSpec.describe Gitlab::Changelog::AST::If do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'evaluates a truthy if expression without an else clause' do - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{% if thing %}foo{% end %}') - .nodes[0] - - expect(node.evaluate(state, { 'thing' => true })).to eq('foo') - end - - it 'evaluates a falsy if expression without an else clause' do - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{% if thing %}foo{% end %}') - .nodes[0] - - expect(node.evaluate(state, { 'thing' => false })).to eq('') - end - - it 'evaluates a falsy if expression with an else clause' do - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{% if thing %}foo{% else %}bar{% end %}') - .nodes[0] - - expect(node.evaluate(state, { 'thing' => false })).to eq('bar') - end - end - - describe '#truthy?' do - it 'returns true for a non-empty String' do - expect(described_class.new.truthy?('foo')).to eq(true) - end - - it 'returns true for a non-empty Array' do - expect(described_class.new.truthy?([10])).to eq(true) - end - - it 'returns true for a Boolean true' do - expect(described_class.new.truthy?(true)).to eq(true) - end - - it 'returns false for an empty String' do - expect(described_class.new.truthy?('')).to eq(false) - end - - it 'returns true for an empty Array' do - expect(described_class.new.truthy?([])).to eq(false) - end - - it 'returns false for a Boolean false' do - expect(described_class.new.truthy?(false)).to eq(false) - end - end -end - -RSpec.describe Gitlab::Changelog::AST::Each do - let(:state) { Gitlab::Changelog::EvalState.new } - - describe '#evaluate' do - it 'evaluates the expression' do - data = { 'animals' => [{ 'name' => 'Cat' }, { 'name' => 'Dog' }] } - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{% each animals %}{{name}}{% end %}') - .nodes[0] - - expect(node.evaluate(state, data)).to eq('CatDog') - end - - it 'returns an empty string when the input is not a collection' do - data = { 'animals' => 10 } - node = Gitlab::Changelog::Parser - .new - .parse_and_transform('{% each animals %}{{name}}{% end %}') - .nodes[0] - - expect(node.evaluate(state, data)).to eq('') - end - - it 'disallows too many nested loops' do - data = { - 'foo' => [ - { - 'bar' => [ - { - 'baz' => [ - { - 'quix' => [ - { - 'foo' => [{ 'name' => 'Alice' }] - } - ] - } - ] - } - ] - } - ] - } - - template = <<~TPL - {% each foo %} - {% each bar %} - {% each baz %} - {% each quix %} - {% each foo %} - {{name}} - {% end %} - {% end %} - {% end %} - {% end %} - {% end %} - TPL - - node = - Gitlab::Changelog::Parser.new.parse_and_transform(template).nodes[0] - - expect { node.evaluate(state, data) } - .to raise_error(Gitlab::Changelog::Error) - end - end -end |