Set minimum password length (#309)

app/controllers/users_controller.rb

@@ -40,6 +40,7 @@ class UsersController < ApplicationController
   end
 
   def edit_password
+    @minimum_password_length = User.password_length.min
     render "devise/passwords/edit"
   end
 

spec/requests/users_controller_spec.rb

@@ -168,9 +168,13 @@ RSpec.describe UsersController, type: :request do
         get "/users/#{user.id}/password/edit", headers: headers, params: {}
       end
 
-      it "show the edit password page" do
+      it "shows the edit password page" do
         expect(page).to have_content("Change your password")
       end
+
+      it "shows the password requirements hint" do
+        expect(page).to have_css("#user-password-hint")
+      end
     end
 
     context "when the current user does not matches the user ID" do