1 files changed, 53 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/input/arguments/default_spec.rb b/spec/lib/gitlab/ci/input/arguments/default_spec.rb
new file mode 100644
index 00000000000..bc0cee6ac4e
--- /dev/null
+++ b/spec/lib/gitlab/ci/input/arguments/default_spec.rb
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+
+RSpec.describe Gitlab::Ci::Input::Arguments::Default, feature_category: :pipeline_composition do
+  it 'returns a user-provided value if it is present' do
+    argument = described_class.new(:website, { default: 'https://gitlab.com' }, 'https://example.gitlab.com')
+
+    expect(argument).to be_valid
+    expect(argument.to_value).to eq 'https://example.gitlab.com'
+    expect(argument.to_hash).to eq({ website: 'https://example.gitlab.com' })
+  end
+
+  it 'returns an empty value if user-provider input is empty' do
+    argument = described_class.new(:website, { default: 'https://gitlab.com' }, '')
+
+    expect(argument).to be_valid
+    expect(argument.to_value).to eq ''
+    expect(argument.to_hash).to eq({ website: '' })
+  end
+
+  it 'returns a default value if user-provider one is unknown' do
+    argument = described_class.new(:website, { default: 'https://gitlab.com' }, nil)
+
+    expect(argument).to be_valid
+    expect(argument.to_value).to eq 'https://gitlab.com'
+    expect(argument.to_hash).to eq({ website: 'https://gitlab.com' })
+  end
+
+  it 'returns an error if the default argument has not been recognized' do
+    argument = described_class.new(:website, { default: ['gitlab.com'] }, 'abc')
+
+    expect(argument).not_to be_valid
+  end
+
+  it 'returns an error if the argument has not been fabricated correctly' do
+    argument = described_class.new(:website, { required: 'https://gitlab.com' }, 'https://example.gitlab.com')
+
+    expect(argument).not_to be_valid
+  end
+
+  describe '.matches?' do
+    it 'matches specs with default configuration' do
+      expect(described_class.matches?({ default: 'abc' })).to be true
+    end
+
+    it 'does not match specs different configuration keyword' do
+      expect(described_class.matches?({ options: %w[a b] })).to be false
+      expect(described_class.matches?('a b c')).to be false
+      expect(described_class.matches?(%w[default a])).to be false
+    end
+  end
+end