Fix text limit cop to work with new table helper

Fix the Migration/AddLimitToTextColumns cop to work with the
create_table_with_constraints helper. The cop should properly detect
usages of the migration helper that don't specify a limit for each text
column.

rubocop/cop/migration/add_limit_to_text_columns.rb

@@ -20,6 +20,10 @@ module RuboCop
           (def :down ...)
         PATTERN
 
+        def_node_matcher :set_text_limit?, <<~PATTERN
+          (send _ :text_limit ...)
+        PATTERN
+
         def_node_matcher :add_text_limit?, <<~PATTERN
           (send _ :add_text_limit ...)
         PATTERN
@@ -111,18 +115,29 @@ module RuboCop
           limit_found = false
 
           node.each_descendant(:send) do |send_node|
-            next unless add_text_limit?(send_node)
+            if set_text_limit?(send_node)
+              limit_found = matching_set_text_limit?(send_node, attribute_name)
+            elsif add_text_limit?(send_node)
+              limit_found = matching_add_text_limit?(send_node, table_name, attribute_name)
+            end
 
-            limit_table = send_node.children[2].value
-            limit_attribute = send_node.children[3].value
+            break if limit_found
+          end
 
-            if limit_table == table_name && limit_attribute == attribute_name
-              limit_found = true
-              break
+          !limit_found
         end
+
+        def matching_set_text_limit?(send_node, attribute_name)
+          limit_attribute = send_node.children[2].value
+
+          limit_attribute == attribute_name
         end
 
-          !limit_found
+        def matching_add_text_limit?(send_node, table_name, attribute_name)
+          limit_table = send_node.children[2].value
+          limit_attribute = send_node.children[3].value
+
+          limit_table == table_name && limit_attribute == attribute_name
         end
 
         def encrypted_attribute_name?(attribute_name)

rubocop/migration_helpers.rb

@@ -19,7 +19,7 @@ module RuboCop
     # or through a create/alter table (TABLE_METHODS)
     ADD_COLUMN_METHODS = %i(add_column add_column_with_default change_column_type_concurrently).freeze
 
-    TABLE_METHODS = %i(create_table create_table_if_not_exists change_table).freeze
+    TABLE_METHODS = %i(create_table create_table_if_not_exists change_table create_table_with_constraints).freeze
 
     def high_traffic_tables
       @high_traffic_tables ||= rubocop_migrations_config.dig('Migration/UpdateLargeTable', 'HighTrafficTables')

spec/rubocop/cop/migration/add_limit_to_text_columns_spec.rb

@@ -28,6 +28,15 @@ RSpec.describe RuboCop::Cop::Migration::AddLimitToTextColumns do
                   ^^^^ #{described_class::MSG}
               end
 
+              create_table_with_constraints :test_text_limits_create do |t|
+                t.integer :test_id, null: false
+                t.text :title
+                t.text :description
+                  ^^^^ #{described_class::MSG}
+
+                t.text_limit :title, 100
+              end
+
               add_column :test_text_limits, :email, :text
               ^^^^^^^^^^ #{described_class::MSG}
 
@@ -57,6 +66,15 @@ RSpec.describe RuboCop::Cop::Migration::AddLimitToTextColumns do
                 t.text :name
               end
 
+              create_table_with_constraints :test_text_limits_create do |t|
+                t.integer :test_id, null: false
+                t.text :title
+                t.text :description
+
+                t.text_limit :title, 100
+                t.text_limit :description, 255
+              end
+
               add_column :test_text_limits, :email, :text
               add_column_with_default :test_text_limits, :role, :text, default: 'default'
               change_column_type_concurrently :test_text_limits, :test_id, :text