1 files changed, 39 insertions, 0 deletions
diff --git a/spec/validators/url_placeholder_validator_spec.rb b/spec/validators/url_placeholder_validator_spec.rb
new file mode 100644
index 00000000000..b76d8acdf88
--- /dev/null
+++ b/spec/validators/url_placeholder_validator_spec.rb
@@ -0,0 +1,39 @@
+require 'spec_helper'
+
+describe UrlPlaceholderValidator do
+  let(:validator) { described_class.new(attributes: [:link_url],  **options) }
+  let!(:badge) { build(:badge) }
+  let(:placeholder_url) { 'http://www.example.com/%{project_path}/%{project_id}/%{default_branch}/%{commit_sha}' }
+
+  subject { validator.validate_each(badge, :link_url, badge.link_url) }
+
+  describe '#validates_each' do
+    context 'with no options' do
+      let(:options) { {} }
+
+      it 'allows http and https protocols by default' do
+        expect(validator.send(:default_options)[:protocols]).to eq %w(http https)
+      end
+
+      it 'checks that the url structure is valid' do
+        badge.link_url = placeholder_url
+
+        subject
+
+        expect(badge.errors.empty?).to be false
+      end
+    end
+
+    context 'with placeholder regex' do
+      let(:options) { { placeholder_regex: /(project_path|project_id|commit_sha|default_branch)/ } }
+
+      it 'checks that the url is valid and obviate placeholders that match regex' do
+        badge.link_url = placeholder_url
+
+        subject
+
+        expect(badge.errors.empty?).to be true
+      end
+    end
+  end
+end