1 files changed, 52 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/input/arguments/options_spec.rb b/spec/lib/gitlab/ci/input/arguments/options_spec.rb
new file mode 100644
index 00000000000..afa279ad48d
--- /dev/null
+++ b/spec/lib/gitlab/ci/input/arguments/options_spec.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+RSpec.describe Gitlab::Ci::Input::Arguments::Options, feature_category: :pipeline_composition do
+  it 'returns a user-provided value if it is an allowed one' do
+    argument = described_class.new(:run, { options: %w[opt1 opt2] }, 'opt1')
+
+    expect(argument).to be_valid
+    expect(argument.to_value).to eq 'opt1'
+    expect(argument.to_hash).to eq({ run: 'opt1' })
+  end
+
+  it 'returns an error if user-provided value is not allowlisted' do
+    argument = described_class.new(:run, { options: %w[opt1 opt2] }, 'opt3')
+
+    expect(argument).not_to be_valid
+    expect(argument.errors.first).to eq '`run` input: argument value opt3 not allowlisted'
+  end
+
+  it 'returns an error if specification is not correct' do
+    argument = described_class.new(:website, { options: nil }, 'opt1')
+
+    expect(argument).not_to be_valid
+    expect(argument.errors.first).to eq '`website` input: argument specification invalid'
+  end
+
+  it 'returns an error if specification is using a hash' do
+    argument = described_class.new(:website, { options: { a: 1 } }, 'opt1')
+
+    expect(argument).not_to be_valid
+    expect(argument.errors.first).to eq '`website` input: argument value opt1 not allowlisted'
+  end
+
+  it 'returns an empty value if it is allowlisted' do
+    argument = described_class.new(:run, { options: ['opt1', ''] }, '')
+
+    expect(argument).to be_valid
+    expect(argument.to_value).to be_empty
+    expect(argument.to_hash).to eq({ run: '' })
+  end
+
+  describe '.matches?' do
+    it 'matches specs with options configuration' do
+      expect(described_class.matches?({ options: %w[a b] })).to be true
+    end
+
+    it 'does not match specs different configuration keyword' do
+      expect(described_class.matches?({ default: 'abc' })).to be false
+    end
+  end
+end