Fix port validation in .gitlab-webide.yml

Fixes a bug where the port section wasn't validated properly
when it was inside the services section in the
.gitlab-webide.yml.

ee/changelogs/unreleased/fj-11886-fix-port-validation.yml

+---
+title: Fix port validation in .gitlab-webide.yml
+merge_request: 13846
+author:
+type: fixed

ee/spec/lib/gitlab/web_ide/config/entry/terminal_spec.rb

@@ -45,6 +45,21 @@ describe Gitlab::WebIde::Config::Entry::Terminal do
           end
         end
       end
+
+      context 'when unknown port keys detected' do
+        let(:config) do
+          {
+            image: { name: "ruby", ports: [80] },
+            services: [{ name: "mysql", alias: "service2", ports: [{ number: 81, invalid_key: 'foobar' }] }]
+          }
+        end
+
+        it 'is not valid' do
+          expect(entry).not_to be_valid
+          expect(entry.errors.first)
+            .to match /port config contains unknown keys: invalid_key/
+        end
+      end
     end
 
     context 'when entry value is not correct' do

lib/gitlab/ci/config/entry/image.rb

@@ -24,7 +24,7 @@ module Gitlab
           end
 
           entry :ports, Entry::Ports,
-            description: 'Ports used expose the image'
+            description: 'Ports used to expose the image'
 
           attributes :ports
 

lib/gitlab/ci/config/entry/service.rb

@@ -24,6 +24,9 @@ module Gitlab
             validates :alias, type: String, presence: true, unless: ->(record) { record.ports.blank? }
           end
 
+          entry :ports, Entry::Ports,
+            description: 'Ports used to expose the service'
+
           def alias
             value[:alias]
           end

spec/lib/gitlab/ci/config/entry/service_spec.rb

@@ -112,6 +112,16 @@ describe Gitlab::Ci::Config::Entry::Service do
           it 'is valid' do
             expect(entry).to be_valid
           end
+
+          context 'when unknown port keys detected' do
+            let(:ports) { [{ number: 80, invalid_key: 'foo' }] }
+
+            it 'is not valid' do
+              expect(entry).not_to be_valid
+              expect(entry.errors.first)
+                .to match /port config contains unknown keys: invalid_key/
+            end
+          end
         end
 
         describe '#ports' do