Fix broken breadcrumb in admin/user

  * Fix broken breadcrumb when switching tabs in admin/user

Closes #47419

app/views/admin/identities/edit.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- add_to_breadcrumbs @user.name, admin_user_identities_path(@user)
+- breadcrumb_title "Edit Identity"
 - page_title _("Edit"), @identity.provider, _("Identities"), @user.name, _("Users")
 %h3.page-title
   = _('Edit identity for %{user_name}') % { user_name: @user.name }

app/views/admin/identities/index.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- breadcrumb_title @user.name
 - page_title _("Identities"), @user.name, _("Users")
 = render 'admin/users/head'

app/views/admin/identities/new.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- add_to_breadcrumbs @user.name, admin_user_identities_path(@user)
+- breadcrumb_title "New Identity"
 - page_title _("New Identity")
 %h3.page-title= _('New identity')
 %hr

app/views/admin/impersonation_tokens/index.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- breadcrumb_title @user.name
 - page_title "Impersonation Tokens", @user.name, "Users"
 = render 'admin/users/head'

app/views/admin/users/keys.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- breadcrumb_title @user.name
 - page_title "SSH Keys", @user.name, "Users"
 = render 'admin/users/head'
 = render 'profiles/keys/key_table', admin: true

app/views/admin/users/projects.html.haml

+- add_to_breadcrumbs "Users", admin_users_path
+- breadcrumb_title @user.name
 - page_title "Groups and projects", @user.name, "Users"
 = render 'admin/users/head'

changelogs/unreleased/47419-Fix-breadcrumbs.yml

+---
+title: Fix breadcrumbs in Admin/User interface.
+merge_request: 19608
+author: Robin Naundorf
+type: fixed

spec/features/admin/admin_users_spec.rb

@@ -315,6 +315,40 @@ describe "Admin::Users" do
     end
   end
+  describe 'show breadcrumbs' do
+    it do
+      visit admin_user_path(user)
+
+      check_breadcrumb(user.name)
+
+      visit projects_admin_user_path(user)
+
+      check_breadcrumb(user.name)
+
+      visit keys_admin_user_path(user)
+
+      check_breadcrumb(user.name)
+
+      visit admin_user_impersonation_tokens_path(user)
+
+      check_breadcrumb(user.name)
+
+      visit admin_user_identities_path(user)
+
+      check_breadcrumb(user.name)
+
+      visit new_admin_user_identity_path(user)
+
+      check_breadcrumb("New Identity")
+
+      visit admin_user_identities_path(user)
+
+      find('.table').find(:link, 'Edit').click
+
+      check_breadcrumb("Edit Identity")
+    end
+  end
+
   describe 'show user attributes' do
     it do
       visit admin_users_path
@@ -409,4 +443,8 @@ describe "Admin::Users" do
       expect(page).not_to have_content('twitter')
     end
   end
+
+  def check_breadcrumb(content)
+    expect(find('.breadcrumbs-sub-title')).to have_content(content)
+  end
 end