Add ability to block words in usernames (#35407)

spec/requests/admin/username_blocks_spec.rb

@@ -0,0 +1,97 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe 'Admin Username Blocks' do
+  describe 'GET /admin/username_blocks' do
+    before { sign_in Fabricate(:admin_user) }
+
+    it 'returns http success' do
+      get admin_username_blocks_path
+
+      expect(response)
+        .to have_http_status(200)
+    end
+  end
+
+  describe 'POST /admin/username_blocks' do
+    before { sign_in Fabricate(:admin_user) }
+
+    it 'gracefully handles invalid nested params' do
+      post admin_username_blocks_path(username_block: 'invalid')
+
+      expect(response)
+        .to have_http_status(400)
+    end
+
+    it 'creates a username block' do
+      post admin_username_blocks_path(username_block: { username: 'banana', comparison: 'contains', allow_with_approval: '0' })
+
+      expect(response)
+        .to redirect_to(admin_username_blocks_path)
+      expect(UsernameBlock.find_by(username: 'banana'))
+        .to_not be_nil
+    end
+  end
+
+  describe 'POST /admin/username_blocks/batch' do
+    before { sign_in Fabricate(:admin_user) }
+
+    let(:username_blocks) { Fabricate.times(2, :username_block) }
+
+    it 'gracefully handles invalid nested params' do
+      post batch_admin_username_blocks_path(form_username_block_batch: 'invalid')
+
+      expect(response)
+        .to redirect_to(admin_username_blocks_path)
+    end
+
+    it 'deletes selected username blocks' do
+      post batch_admin_username_blocks_path(form_username_block_batch: { username_block_ids: username_blocks.map(&:id) }, delete: '1')
+
+      expect(response)
+        .to redirect_to(admin_username_blocks_path)
+      expect(UsernameBlock.where(id: username_blocks.map(&:id)))
+        .to be_empty
+    end
+  end
+
+  describe 'GET /admin/username_blocks/new' do
+    before { sign_in Fabricate(:admin_user) }
+
+    it 'returns http success' do
+      get new_admin_username_block_path
+
+      expect(response)
+        .to have_http_status(200)
+    end
+  end
+
+  describe 'GET /admin/username_blocks/:id/edit' do
+    before { sign_in Fabricate(:admin_user) }
+
+    let(:username_block) { Fabricate(:username_block) }
+
+    it 'returns http success' do
+      get edit_admin_username_block_path(username_block)
+
+      expect(response)
+        .to have_http_status(200)
+    end
+  end
+
+  describe 'PUT /admin/username_blocks/:id' do
+    before { sign_in Fabricate(:admin_user) }
+
+    let(:username_block) { Fabricate(:username_block, username: 'banana') }
+
+    it 'updates username block' do
+      put admin_username_block_path(username_block, username_block: { username: 'bebebe' })
+
+      expect(response)
+        .to redirect_to(admin_username_blocks_path)
+      expect(username_block.reload.username)
+        .to eq 'bebebe'
+    end
+  end
+end