1 files changed, 70 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/config/entry/ports_spec.rb b/spec/lib/gitlab/ci/config/entry/ports_spec.rb
new file mode 100644
index 00000000000..2063bd1d86c
--- /dev/null
+++ b/spec/lib/gitlab/ci/config/entry/ports_spec.rb
@@ -0,0 +1,70 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Ci::Config::Entry::Ports do
+  let(:entry) { described_class.new(config) }
+
+  before do
+    entry.compose!
+  end
+
+  context 'when configuration is valid' do
+    let(:config) { [{ number: 80, protocol: 'http', name: 'foobar' }] }
+
+    describe '#valid?' do
+      it 'is valid' do
+        expect(entry).to be_valid
+      end
+    end
+
+    describe '#value' do
+      it 'returns valid array' do
+        expect(entry.value).to eq(config)
+      end
+    end
+  end
+
+  context 'when configuration is invalid' do
+    let(:config) { 'postgresql:9.5' }
+
+    describe '#valid?' do
+      it 'is invalid' do
+        expect(entry).not_to be_valid
+      end
+    end
+
+    context 'when any of the ports' do
+      before do
+        expect(entry).not_to be_valid
+        expect(entry.errors.count).to eq 1
+      end
+
+      context 'have the same name' do
+        let(:config) do
+          [{ number: 80, protocol: 'http', name: 'foobar' },
+           { number: 81, protocol: 'http', name: 'foobar' }]
+        end
+
+        describe '#valid?' do
+          it 'is invalid' do
+            expect(entry.errors.first).to match /each port name must be different/
+          end
+        end
+      end
+
+      context 'have the same port' do
+        let(:config) do
+          [{ number: 80, protocol: 'http', name: 'foobar' },
+           { number: 80, protocol: 'http', name: 'foobar1' }]
+        end
+
+        describe '#valid?' do
+          it 'is invalid' do
+            expect(entry.errors.first).to match /each port number can only be referenced once/
+          end
+        end
+      end
+    end
+  end
+end