1 files changed, 80 insertions, 0 deletions
diff --git a/spec/migrations/generate_missing_routes_for_bots_spec.rb b/spec/migrations/generate_missing_routes_for_bots_spec.rb
new file mode 100644
index 00000000000..8af22042350
--- /dev/null
+++ b/spec/migrations/generate_missing_routes_for_bots_spec.rb
@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require Rails.root.join('db', 'post_migrate', '20200703064117_generate_missing_routes_for_bots.rb')
+
+RSpec.describe GenerateMissingRoutesForBots, :migration do
+  let(:users) { table(:users) }
+  let(:namespaces) { table(:namespaces) }
+  let(:routes) { table(:routes) }
+
+  let(:visual_review_bot) do
+    users.create!(email: 'visual-review-bot@gitlab.com', name: 'GitLab Visual Review Bot', username: 'visual-review-bot', user_type: 3, projects_limit: 5)
+  end
+
+  let(:migration_bot) do
+    users.create!(email: 'migration-bot@gitlab.com', name: 'GitLab Migration Bot', username: 'migration-bot', user_type: 7, projects_limit: 5)
+  end
+
+  let!(:visual_review_bot_namespace) do
+    namespaces.create!(owner_id: visual_review_bot.id, name: visual_review_bot.name, path: visual_review_bot.username)
+  end
+
+  let!(:migration_bot_namespace) do
+    namespaces.create!(owner_id: migration_bot.id, name: migration_bot.name, path: migration_bot.username)
+  end
+
+  context 'for bot users without an existing route' do
+    it 'creates new routes' do
+      expect { migrate! }.to change { routes.count }.by(2)
+    end
+
+    it 'creates new routes with the same path and name as their namespace' do
+      migrate!
+
+      [visual_review_bot, migration_bot].each do |bot|
+        namespace = namespaces.find_by(owner_id: bot.id)
+        route = route_for(namespace: namespace)
+
+        expect(route.path).to eq(namespace.path)
+        expect(route.name).to eq(namespace.name)
+      end
+    end
+  end
+
+  it 'does not create routes for bot users with existing routes' do
+    create_route!(namespace: visual_review_bot_namespace)
+    create_route!(namespace: migration_bot_namespace)
+
+    expect { migrate! }.not_to change { routes.count }
+  end
+
+  it 'does not create routes for human users without an existing route' do
+    human_namespace = create_human_namespace!(name: 'GitLab Human', username: 'human')
+
+    expect { migrate! }.not_to change { route_for(namespace: human_namespace) }
+  end
+
+  it 'does not create route for a bot user with a missing route, if a human user with the same path already exists' do
+    human_namespace = create_human_namespace!(name: visual_review_bot.name, username: visual_review_bot.username)
+    create_route!(namespace: human_namespace)
+
+    expect { migrate! }.not_to change { route_for(namespace: visual_review_bot_namespace) }
+  end
+
+  private
+
+  def create_human_namespace!(name:, username:)
+    human = users.create!(email: 'human@gitlab.com', name: name, username: username, user_type: nil, projects_limit: 5)
+    namespaces.create!(owner_id: human.id, name: human.name, path: human.username)
+  end
+
+  def create_route!(namespace:)
+    routes.create!(path: namespace.path, name: namespace.name, source_id: namespace.id, source_type: 'Namespace')
+  end
+
+  def route_for(namespace:)
+    routes.find_by(source_type: 'Namespace', source_id: namespace.id)
+  end
+end