Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

Co-authored-by: Cursor <cursoragent@cursor.com>

test/controllers/mail_images_controller_test.rb

@@ -0,0 +1,44 @@
+require "test_helper"
+require "base64"
+
+class MailImagesControllerTest < ActionDispatch::IntegrationTest
+  PNG = Base64.decode64("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIQAAAABJRU5ErkJggg==")
+
+  test "admin can upload an image for the editor" do
+    login_as users(:admin)
+    follow_redirect! if response.redirect?
+
+    upload = png_upload
+    assert_difference -> { ActiveStorage::Blob.count }, 1 do
+      post mail_images_path(project_code: "matchlivetv"), params: { file: upload }
+    end
+    assert_response :success
+    json = JSON.parse(response.body)
+    assert json["url"].present?
+    assert_match(/active_storage/, json["url"])
+  end
+
+  test "rejects non image files" do
+    login_as users(:admin)
+    follow_redirect! if response.redirect?
+
+    file = Tempfile.new(["note", ".txt"])
+    file.write("not-an-image")
+    file.rewind
+
+    post mail_images_path(project_code: "matchlivetv"), params: {
+      file: Rack::Test::UploadedFile.new(file.path, "text/plain")
+    }
+    assert_response :unprocessable_entity
+  end
+
+  private
+
+  def png_upload
+    file = Tempfile.new(["pixel", ".png"])
+    file.binmode
+    file.write(PNG)
+    file.rewind
+    Rack::Test::UploadedFile.new(file.path, "image/png")
+  end
+end