From 59b7feff1296efc8e7a7e00117e5230a2665f3b7 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 8 Apr 2026 12:25:25 +0000
Subject: [PATCH 1/3] Initial plan


From 16b9d666eb712d6addb5e0a423cbd8ce4d54ddb6 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 8 Apr 2026 12:44:19 +0000
Subject: [PATCH 2/3] Fix table_cell_selector to strip special characters like
 slashes from column names

Agent-Logs-Url: https://github.com/activeadmin-plugins/capybara_active_admin/sessions/7498bf2c-1012-4f45-a573-e5f8a7124f08

Co-authored-by: senid231 <8393857+senid231@users.noreply.github.com>
---
 lib/capybara/active_admin/selectors/table.rb |  2 +-
 spec/lib/selectors/table_spec.rb             | 29 ++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 spec/lib/selectors/table_spec.rb

diff --git a/lib/capybara/active_admin/selectors/table.rb b/lib/capybara/active_admin/selectors/table.rb
index 10b84da..07d047f 100644
--- a/lib/capybara/active_admin/selectors/table.rb
+++ b/lib/capybara/active_admin/selectors/table.rb
@@ -32,7 +32,7 @@ def table_header_selector
         def table_cell_selector(column = nil)
           return 'td.col' if column.nil?
 
-          column = column.to_s.gsub(' ', '_').downcase
+          column = column.to_s.downcase.gsub(/[^a-z0-9\s]/, '').gsub(/\s+/, '_').squeeze('_')
           "td.col.col-#{column}"
         end
 
diff --git a/spec/lib/selectors/table_spec.rb b/spec/lib/selectors/table_spec.rb
new file mode 100644
index 0000000..8001bdd
--- /dev/null
+++ b/spec/lib/selectors/table_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+RSpec.describe Capybara::ActiveAdmin::Selectors::Table do
+  subject(:helper) do
+    Class.new { include Capybara::ActiveAdmin::Selectors::Table }.new
+  end
+
+  describe '#table_cell_selector' do
+    it 'returns generic selector when column is nil' do
+      expect(helper.table_cell_selector).to eq('td.col')
+    end
+
+    it 'converts spaces to underscores' do
+      expect(helper.table_cell_selector('Full Name')).to eq('td.col.col-full_name')
+    end
+
+    it 'downcases the column name' do
+      expect(helper.table_cell_selector('ID')).to eq('td.col.col-id')
+    end
+
+    it 'strips slashes from column name' do
+      expect(helper.table_cell_selector('Country / Region')).to eq('td.col.col-country_region')
+    end
+
+    it 'strips other special characters from column name' do
+      expect(helper.table_cell_selector('Price (USD)')).to eq('td.col.col-price_usd')
+    end
+  end
+end

From 6e4ecc56a5ded0d072f198be53c8038660366fd2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 8 Apr 2026 12:46:01 +0000
Subject: [PATCH 3/3] Add clarifying comment to table_cell_selector
 transformation

Agent-Logs-Url: https://github.com/activeadmin-plugins/capybara_active_admin/sessions/7498bf2c-1012-4f45-a573-e5f8a7124f08

Co-authored-by: senid231 <8393857+senid231@users.noreply.github.com>
---
 lib/capybara/active_admin/selectors/table.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/capybara/active_admin/selectors/table.rb b/lib/capybara/active_admin/selectors/table.rb
index 07d047f..170bfa4 100644
--- a/lib/capybara/active_admin/selectors/table.rb
+++ b/lib/capybara/active_admin/selectors/table.rb
@@ -32,6 +32,7 @@ def table_header_selector
         def table_cell_selector(column = nil)
           return 'td.col' if column.nil?
 
+          # Downcase, strip non-alphanumeric chars (e.g. '/'), convert spaces to '_', deduplicate '_'
           column = column.to_s.downcase.gsub(/[^a-z0-9\s]/, '').gsub(/\s+/, '_').squeeze('_')
           "td.col.col-#{column}"
         end