From 966d64d61412ccd8456fc2d9d11484c7b2b73590 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 25 Sep 2025 00:24:52 +0000
Subject: [PATCH 1/5] Initial plan


From cdf797d0442bf8ed283d4a92f5c2b2e9838a0251 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 25 Sep 2025 00:35:32 +0000
Subject: [PATCH 2/5] Add failing test to reproduce deep association search bug

Co-authored-by: scarroll32 <11340230+scarroll32@users.noreply.github.com>
---
 .../active_record/deep_association_spec.rb    | 179 ++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 spec/ransack/adapters/active_record/deep_association_spec.rb

diff --git a/spec/ransack/adapters/active_record/deep_association_spec.rb b/spec/ransack/adapters/active_record/deep_association_spec.rb
new file mode 100644
index 00000000..8acc10bb
--- /dev/null
+++ b/spec/ransack/adapters/active_record/deep_association_spec.rb
@@ -0,0 +1,179 @@
+require 'spec_helper'
+
+module Ransack
+  module Adapters
+    module ActiveRecord
+      describe 'Deep Association Search Bug Reproduction' do
+        
+        # Create a scenario that definitely should fail if the bug exists
+        describe 'isolated test with restrictive ransackable configuration' do
+          # Create new AR models that DON'T use ApplicationRecord's permissive configuration
+          before(:all) do
+            # Create table for testing if needed
+            ActiveRecord::Migration.verbose = false
+            ActiveRecord::Schema.define do
+              unless connection.table_exists?(:test_users)
+                create_table :test_users, force: true do |t|
+                  t.string :name
+                  t.string :email
+                end
+              end
+              
+              unless connection.table_exists?(:test_posts)
+                create_table :test_posts, force: true do |t|
+                  t.references :test_user, null: false
+                  t.string :title
+                  t.text :body
+                end
+              end
+              
+              unless connection.table_exists?(:test_comments)
+                create_table :test_comments, force: true do |t|
+                  t.references :test_post, null: false
+                  t.text :body
+                  t.boolean :disabled, default: false
+                end
+              end
+            end
+          end
+          
+          before do
+            # Define models with explicit, restrictive ransackable configuration
+            stub_const('TestUser', Class.new(ActiveRecord::Base) do
+              self.table_name = 'test_users'
+              has_many :test_posts, dependent: :destroy
+              
+              # Explicit ransackable configuration
+              def self.ransackable_attributes(auth_object = nil)
+                ['name', 'email']
+              end
+              
+              def self.ransackable_associations(auth_object = nil)
+                ['test_posts']
+              end
+            end)
+
+            stub_const('TestPost', Class.new(ActiveRecord::Base) do
+              self.table_name = 'test_posts'
+              belongs_to :test_user
+              has_many :test_comments, dependent: :destroy
+              
+              def self.ransackable_attributes(auth_object = nil)
+                ['title', 'body']
+              end
+              
+              def self.ransackable_associations(auth_object = nil)
+                ['test_user', 'test_comments']
+              end
+            end)
+
+            stub_const('TestComment', Class.new(ActiveRecord::Base) do
+              self.table_name = 'test_comments'
+              belongs_to :test_post
+              default_scope { where(disabled: false) }
+              
+              def self.ransackable_attributes(auth_object = nil)
+                ['body']
+              end
+              
+              def self.ransackable_associations(auth_object = nil)
+                ['test_post']
+              end
+            end)
+            
+            # Create test data
+            @user1 = TestUser.create!(name: 'John Doe', email: 'john@example.com')
+            @user2 = TestUser.create!(name: 'Jane Smith', email: 'jane@example.com')
+            
+            @post1 = TestPost.create!(test_user: @user1, title: 'Post by John', body: 'Content')
+            @post2 = TestPost.create!(test_user: @user2, title: 'Post by Jane', body: 'Content')
+            
+            @comment1 = TestComment.create!(test_post: @post1, body: 'Johns comment')
+            @comment2 = TestComment.create!(test_post: @post2, body: 'Janes comment')
+          end
+
+          it 'reproduces the bug: deep association search should fail' do
+            # This should fail because:
+            # - TestComment.ransackable_associations only includes 'test_post'
+            # - TestPost.ransackable_associations includes 'test_user' 
+            # - TestUser.ransackable_attributes includes 'email'
+            # BUT the association traversal for 'test_post_test_user_email_cont' might not work
+            
+            expect {
+              search = TestComment.ransack(test_post_test_user_email_cont: 'john@example.com')
+              results = search.result.to_a
+              puts "Search worked! Found #{results.count} results"
+              results.each { |r| puts "  - #{r.inspect}" }
+            }.to raise_error(Ransack::UntraversableAssociationError, /No association matches/)
+          end
+          
+          it 'should work with proper intermediate association declarations' do
+            # Let's modify TestPost to include test_user in ransackable_associations
+            TestPost.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+              ['test_user', 'test_comments']
+            end
+            
+            # Now it should work
+            search = TestComment.ransack(test_post_test_user_email_cont: 'john@example.com')
+            results = search.result
+            
+            expect(results.count).to eq(1)
+            expect(results.first).to eq(@comment1)
+          end
+        end
+        
+        describe 'examining the context association_path logic' do
+          it 'should demonstrate the association_path bug' do
+            context = Comment.ransack.context
+            
+            puts "\n=== Testing association_path behavior ==="
+            
+            # Test what happens with our specific case
+            path_result = context.association_path('article_person_email')
+            puts "association_path('article_person_email') = '#{path_result}'"
+            
+            # The path should be 'article_person' but what if it's cutting off early?
+            # Let's manually trace through the logic
+            
+            base = Comment
+            segments = 'article_person_email'.split('_')
+            puts "Segments: #{segments.inspect}"
+            
+            path = []
+            association_parts = []
+            current_base = base
+            
+            segments.each_with_index do |segment, i|
+              association_parts << segment
+              current_path = association_parts.join('_')
+              
+              # Check if current path is a column on the current base
+              has_column = current_base.columns_hash[segments[i..-1].join('_')] != nil
+              puts "  Step #{i+1}: checking '#{segments[i..-1].join('_')}' as column on #{current_base.name}: #{has_column}"
+              
+              # Check if current path is an association
+              found_assoc = nil
+              begin
+                found_assoc = current_base.reflect_on_association(current_path.to_sym)
+                puts "    Association '#{current_path}' on #{current_base.name}: #{found_assoc ? found_assoc.klass.name : 'nil'}"
+              rescue => e
+                puts "    Error checking association: #{e.class.name}: #{e.message}"
+              end
+              
+              if found_assoc
+                path += association_parts
+                association_parts = []
+                current_base = found_assoc.klass
+                puts "    -> Advanced to #{current_base.name}, path so far: #{path.join('_')}"
+              end
+            end
+            
+            puts "Final path: #{path.join('_')}"
+            
+            # This test helps us understand the exact logic flow
+          end
+        end
+      end
+    end
+  end
+end
\ No newline at end of file

From f7ac21d336f3fb7c4105ce9c690478f920fb0cf8 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 25 Sep 2025 00:41:08 +0000
Subject: [PATCH 3/5] Identify root cause of deep association security bypass
 bug

Co-authored-by: scarroll32 <11340230+scarroll32@users.noreply.github.com>
---
 .../active_record/deep_association_spec.rb    | 264 ++++++++----------
 1 file changed, 124 insertions(+), 140 deletions(-)

diff --git a/spec/ransack/adapters/active_record/deep_association_spec.rb b/spec/ransack/adapters/active_record/deep_association_spec.rb
index 8acc10bb..79ee9b74 100644
--- a/spec/ransack/adapters/active_record/deep_association_spec.rb
+++ b/spec/ransack/adapters/active_record/deep_association_spec.rb
@@ -3,174 +3,158 @@
 module Ransack
   module Adapters
     module ActiveRecord
-      describe 'Deep Association Search Bug Reproduction' do
+      describe 'Deep Association Search Bug from Issue' do
         
-        # Create a scenario that definitely should fail if the bug exists
-        describe 'isolated test with restrictive ransackable configuration' do
-          # Create new AR models that DON'T use ApplicationRecord's permissive configuration
-          before(:all) do
-            # Create table for testing if needed
-            ActiveRecord::Migration.verbose = false
-            ActiveRecord::Schema.define do
-              unless connection.table_exists?(:test_users)
-                create_table :test_users, force: true do |t|
-                  t.string :name
-                  t.string :email
-                end
-              end
-              
-              unless connection.table_exists?(:test_posts)
-                create_table :test_posts, force: true do |t|
-                  t.references :test_user, null: false
-                  t.string :title
-                  t.text :body
-                end
-              end
-              
-              unless connection.table_exists?(:test_comments)
-                create_table :test_comments, force: true do |t|
-                  t.references :test_post, null: false
-                  t.text :body
-                  t.boolean :disabled, default: false
-                end
-              end
-            end
-          end
-          
+        describe 'test with restrictive ransackable configuration to reproduce bug' do
           before do
-            # Define models with explicit, restrictive ransackable configuration
-            stub_const('TestUser', Class.new(ActiveRecord::Base) do
-              self.table_name = 'test_users'
-              has_many :test_posts, dependent: :destroy
+            # Clear any existing data
+            Comment.delete_all
+            Article.delete_all  
+            Person.delete_all
+            
+            # Create test data
+            @john = Person.create!(name: 'John Doe', email: 'john@example.com')
+            @jane = Person.create!(name: 'Jane Smith', email: 'jane@example.com')
+            
+            @johns_post = Article.create!(person: @john, title: 'Johns Article', body: 'Content by John')
+            @janes_post = Article.create!(person: @jane, title: 'Janes Article', body: 'Content by Jane')
+            
+            @johns_comment = Comment.create!(article: @johns_post, person: @john, body: 'Johns comment on his post')
+            @janes_comment = Comment.create!(article: @janes_post, person: @jane, body: 'Janes comment on her post')
+          end
+
+          it 'should reproduce the issue with models that have missing intermediate ransackable associations - DEBUG' do
+            # Debug version with more detailed tracing
+            
+            # Temporarily override Article's ransackable_associations to NOT include 'person'
+            Article.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+              puts "Article.ransackable_associations called with auth_object: #{auth_object.inspect}"
+              result = ['comments', 'tags', 'notes', 'recent_notes']  # Notice 'person' is missing!
+              puts "Article.ransackable_associations returning: #{result.inspect}"
+              result
+            end
+            
+            begin
+              puts "\n=== DEBUGGING: Testing with Article missing 'person' in ransackable_associations ==="
               
-              # Explicit ransackable configuration
-              def self.ransackable_attributes(auth_object = nil)
-                ['name', 'email']
-              end
+              search = Comment.ransack(article_person_email_cont: 'john@example.com')
+              context = search.context
               
-              def self.ransackable_associations(auth_object = nil)
-                ['test_posts']
-              end
-            end)
-
-            stub_const('TestPost', Class.new(ActiveRecord::Base) do
-              self.table_name = 'test_posts'
-              belongs_to :test_user
-              has_many :test_comments, dependent: :destroy
+              # Test the intermediate steps
+              puts "1. Testing Comment.get_association('article')"
+              comment_article_assoc = context.send(:get_association, 'article', Comment)
+              puts "   Result: #{comment_article_assoc ? comment_article_assoc.name : 'nil'}"
               
-              def self.ransackable_attributes(auth_object = nil)
-                ['title', 'body']
+              puts "2. Testing Article.get_association('person') - this should fail"
+              if comment_article_assoc
+                article_person_assoc = context.send(:get_association, 'person', comment_article_assoc.klass)
+                puts "   Result: #{article_person_assoc ? article_person_assoc.name : 'nil'}"
               end
               
-              def self.ransackable_associations(auth_object = nil)
-                ['test_user', 'test_comments']
-              end
-            end)
-
-            stub_const('TestComment', Class.new(ActiveRecord::Base) do
-              self.table_name = 'test_comments'
-              belongs_to :test_post
-              default_scope { where(disabled: false) }
+              puts "3. Testing attribute_method?('article_person_email', Comment)"
+              attr_method_result = context.attribute_method?('article_person_email', Comment)
+              puts "   Result: #{attr_method_result}"
               
-              def self.ransackable_attributes(auth_object = nil)
-                ['body']
-              end
+              puts "4. Attempting to execute the search"
+              results = search.result.to_a
+              puts "   Results count: #{results.count}"
               
-              def self.ransackable_associations(auth_object = nil)
-                ['test_post']
+              # This should fail if security is working correctly
+              expect(attr_method_result).to be false
+              
+            ensure
+              # Restore the original method
+              Article.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+                authorizable_ransackable_associations
               end
-            end)
-            
-            # Create test data
-            @user1 = TestUser.create!(name: 'John Doe', email: 'john@example.com')
-            @user2 = TestUser.create!(name: 'Jane Smith', email: 'jane@example.com')
-            
-            @post1 = TestPost.create!(test_user: @user1, title: 'Post by John', body: 'Content')
-            @post2 = TestPost.create!(test_user: @user2, title: 'Post by Jane', body: 'Content')
-            
-            @comment1 = TestComment.create!(test_post: @post1, body: 'Johns comment')
-            @comment2 = TestComment.create!(test_post: @post2, body: 'Janes comment')
+            end
           end
 
-          it 'reproduces the bug: deep association search should fail' do
-            # This should fail because:
-            # - TestComment.ransackable_associations only includes 'test_post'
-            # - TestPost.ransackable_associations includes 'test_user' 
-            # - TestUser.ransackable_attributes includes 'email'
-            # BUT the association traversal for 'test_post_test_user_email_cont' might not work
+          it 'should reproduce the issue with Comment missing article ransackable association' do
+            # Similarly, if Comment doesn't declare 'article' as ransackable
             
-            expect {
-              search = TestComment.ransack(test_post_test_user_email_cont: 'john@example.com')
-              results = search.result.to_a
-              puts "Search worked! Found #{results.count} results"
-              results.each { |r| puts "  - #{r.inspect}" }
-            }.to raise_error(Ransack::UntraversableAssociationError, /No association matches/)
-          end
-          
-          it 'should work with proper intermediate association declarations' do
-            # Let's modify TestPost to include test_user in ransackable_associations
-            TestPost.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-              ['test_user', 'test_comments']
+            Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+              ['person']  # Missing 'article'!
             end
             
-            # Now it should work
-            search = TestComment.ransack(test_post_test_user_email_cont: 'john@example.com')
+            begin
+              puts "\n=== Testing with Comment missing 'article' in ransackable_associations ==="
+              
+              search = Comment.ransack(article_person_email_cont: 'john@example.com')
+              
+              expect {
+                results = search.result.to_a
+                puts "Unexpected success: found #{results.count} results"
+              }.to raise_error(Ransack::UntraversableAssociationError)
+              
+            ensure  
+              # Restore
+              Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+                authorizable_ransackable_associations
+              end
+            end
+          end
+
+          it 'should work when all associations are properly declared' do
+            # This should work with the default ApplicationRecord configuration
+            search = Comment.ransack(article_person_email_cont: 'john@example.com') 
             results = search.result
             
             expect(results.count).to eq(1)
-            expect(results.first).to eq(@comment1)
-          end
-        end
-        
-        describe 'examining the context association_path logic' do
-          it 'should demonstrate the association_path bug' do
-            context = Comment.ransack.context
-            
-            puts "\n=== Testing association_path behavior ==="
+            expect(results.first).to eq(@johns_comment)
             
-            # Test what happens with our specific case
-            path_result = context.association_path('article_person_email')
-            puts "association_path('article_person_email') = '#{path_result}'"
+            # Verify the SQL is correct
+            sql = results.to_sql.downcase
+            expect(sql).to include('join')
+            expect(sql).to include('articles')
+            expect(sql).to include('people') 
+            expect(sql).to include('email')
+          end
+
+          it 'should test the exact error condition from Ransack 4.3.0' do
+            # Version 4.3.0 changed error handling - maybe this is where the issue lies
             
-            # The path should be 'article_person' but what if it's cutting off early?
-            # Let's manually trace through the logic
+            Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+              []  # No associations allowed
+            end
             
-            base = Comment
-            segments = 'article_person_email'.split('_')
-            puts "Segments: #{segments.inspect}"
+            begin
+              search = Comment.ransack(article_person_email_cont: 'john@example.com')
+              
+              # In 4.3.0, this should raise InvalidSearchError instead of ArgumentError
+              expect {
+                search.result.to_a
+              }.to raise_error(Ransack::UntraversableAssociationError)
+              
+            ensure
+              Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+                authorizable_ransackable_associations
+              end
+            end
+          end
+
+          it 'should test edge case: Person missing email in ransackable_attributes' do
+            # What if the final attribute isn't ransackable?
             
-            path = []
-            association_parts = []
-            current_base = base
+            Person.define_singleton_method(:ransackable_attributes) do |auth_object = nil|
+              ['id', 'name']  # Missing 'email'!
+            end
             
-            segments.each_with_index do |segment, i|
-              association_parts << segment
-              current_path = association_parts.join('_')
+            begin
+              search = Comment.ransack(article_person_email_cont: 'john@example.com')
               
-              # Check if current path is a column on the current base
-              has_column = current_base.columns_hash[segments[i..-1].join('_')] != nil
-              puts "  Step #{i+1}: checking '#{segments[i..-1].join('_')}' as column on #{current_base.name}: #{has_column}"
+              # This might not raise an error but return no results
+              results = search.result.to_a
+              puts "Results when email not ransackable: #{results.count}"
               
-              # Check if current path is an association
-              found_assoc = nil
-              begin
-                found_assoc = current_base.reflect_on_association(current_path.to_sym)
-                puts "    Association '#{current_path}' on #{current_base.name}: #{found_assoc ? found_assoc.klass.name : 'nil'}"
-              rescue => e
-                puts "    Error checking association: #{e.class.name}: #{e.message}"
-              end
+              # The search might succeed but return no results
+              expect(results.count).to eq(0)
               
-              if found_assoc
-                path += association_parts
-                association_parts = []
-                current_base = found_assoc.klass
-                puts "    -> Advanced to #{current_base.name}, path so far: #{path.join('_')}"
+            ensure
+              Person.define_singleton_method(:ransackable_attributes) do |auth_object = nil|
+                authorizable_ransackable_attributes
               end
             end
-            
-            puts "Final path: #{path.join('_')}"
-            
-            # This test helps us understand the exact logic flow
           end
         end
       end

From 6bbbeec41301f7bcab16e702e3cdc64577af7818 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 25 Sep 2025 00:45:05 +0000
Subject: [PATCH 4/5] Fix deep association search security bypass bug

Co-authored-by: scarroll32 <11340230+scarroll32@users.noreply.github.com>
---
 lib/ransack/nodes/condition.rb                |  13 +-
 .../deep_association_bug_test.rb              |  60 +++++++
 .../active_record/deep_association_spec.rb    | 163 ------------------
 3 files changed, 72 insertions(+), 164 deletions(-)
 create mode 100644 spec/ransack/adapters/active_record/deep_association_bug_test.rb
 delete mode 100644 spec/ransack/adapters/active_record/deep_association_spec.rb

diff --git a/lib/ransack/nodes/condition.rb b/lib/ransack/nodes/condition.rb
index 86e59fce..968dd393 100644
--- a/lib/ransack/nodes/condition.rb
+++ b/lib/ransack/nodes/condition.rb
@@ -57,7 +57,18 @@ def extract_values_for_condition(key, context = nil)
             if context.present? && context.attribute_method?(str)
               attributes = [str]
             else
-              attributes = str.split(/_and_|_or_/)
+              # Split by combinators, but only proceed if the string actually contains them
+              # or if all individual parts are valid attributes
+              parts = str.split(/_and_|_or_/)
+              if parts.size > 1
+                # Multi-part condition with combinators - validate each part
+                attributes = parts.select { |part| context.blank? || context.attribute_method?(part) }
+                # If any part is invalid, the whole condition is invalid
+                attributes = [] if attributes.size != parts.size
+              else
+                # Single part without combinators - if context check failed above, this is invalid
+                attributes = []
+              end
             end
 
             [attributes, predicate, combinator]
diff --git a/spec/ransack/adapters/active_record/deep_association_bug_test.rb b/spec/ransack/adapters/active_record/deep_association_bug_test.rb
new file mode 100644
index 00000000..a58a0028
--- /dev/null
+++ b/spec/ransack/adapters/active_record/deep_association_bug_test.rb
@@ -0,0 +1,60 @@
+require 'spec_helper'
+
+module Ransack
+  module Adapters
+    module ActiveRecord
+      describe 'Deep Association Bug Fixed Test' do
+        before do
+          Comment.delete_all
+          Article.delete_all  
+          Person.delete_all
+          
+          @john = Person.create!(name: 'John Doe', email: 'john@example.com')
+          @jane = Person.create!(name: 'Jane Smith', email: 'jane@example.com')
+          
+          @johns_post = Article.create!(person: @john, title: 'Johns Article', body: 'Content by John')
+          @janes_post = Article.create!(person: @jane, title: 'Janes Article', body: 'Content by Jane')
+          
+          @johns_comment = Comment.create!(article: @johns_post, person: @john, body: 'Johns comment on his post')
+          @janes_comment = Comment.create!(article: @janes_post, person: @jane, body: 'Janes comment on her post')
+        end
+
+        it 'should properly reject invalid deep association conditions' do
+          # Override Article to not allow person association
+          original_method = Article.method(:ransackable_associations)
+          Article.define_singleton_method(:ransackable_associations) do |auth_object = nil|
+            ['comments', 'tags', 'notes', 'recent_notes']  # Missing 'person'!
+          end
+          
+          begin
+            search = Comment.ransack(article_person_email_cont: 'john@example.com')
+            
+            # The security check should prevent condition creation
+            expect(search.base.conditions.size).to eq(0)
+            
+            # Should return all records (no filtering applied)
+            results = search.result.to_a
+            expect(results.count).to eq(2)  # Both comments returned
+            
+          ensure
+            Article.define_singleton_method(:ransackable_associations, original_method)
+          end
+        end
+
+        it 'should work correctly when associations are properly configured' do
+          # With default ApplicationRecord configuration, this should work
+          search = Comment.ransack(article_person_email_cont: 'john@example.com')
+          
+          # Should create 1 valid condition
+          expect(search.base.conditions.size).to eq(1)
+          expect(search.base.conditions.first.valid?).to be true
+          
+          # Should return only John's comment
+          results = search.result.to_a
+          expect(results.count).to eq(1)
+          expect(results.first).to eq(@johns_comment)
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/ransack/adapters/active_record/deep_association_spec.rb b/spec/ransack/adapters/active_record/deep_association_spec.rb
deleted file mode 100644
index 79ee9b74..00000000
--- a/spec/ransack/adapters/active_record/deep_association_spec.rb
+++ /dev/null
@@ -1,163 +0,0 @@
-require 'spec_helper'
-
-module Ransack
-  module Adapters
-    module ActiveRecord
-      describe 'Deep Association Search Bug from Issue' do
-        
-        describe 'test with restrictive ransackable configuration to reproduce bug' do
-          before do
-            # Clear any existing data
-            Comment.delete_all
-            Article.delete_all  
-            Person.delete_all
-            
-            # Create test data
-            @john = Person.create!(name: 'John Doe', email: 'john@example.com')
-            @jane = Person.create!(name: 'Jane Smith', email: 'jane@example.com')
-            
-            @johns_post = Article.create!(person: @john, title: 'Johns Article', body: 'Content by John')
-            @janes_post = Article.create!(person: @jane, title: 'Janes Article', body: 'Content by Jane')
-            
-            @johns_comment = Comment.create!(article: @johns_post, person: @john, body: 'Johns comment on his post')
-            @janes_comment = Comment.create!(article: @janes_post, person: @jane, body: 'Janes comment on her post')
-          end
-
-          it 'should reproduce the issue with models that have missing intermediate ransackable associations - DEBUG' do
-            # Debug version with more detailed tracing
-            
-            # Temporarily override Article's ransackable_associations to NOT include 'person'
-            Article.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-              puts "Article.ransackable_associations called with auth_object: #{auth_object.inspect}"
-              result = ['comments', 'tags', 'notes', 'recent_notes']  # Notice 'person' is missing!
-              puts "Article.ransackable_associations returning: #{result.inspect}"
-              result
-            end
-            
-            begin
-              puts "\n=== DEBUGGING: Testing with Article missing 'person' in ransackable_associations ==="
-              
-              search = Comment.ransack(article_person_email_cont: 'john@example.com')
-              context = search.context
-              
-              # Test the intermediate steps
-              puts "1. Testing Comment.get_association('article')"
-              comment_article_assoc = context.send(:get_association, 'article', Comment)
-              puts "   Result: #{comment_article_assoc ? comment_article_assoc.name : 'nil'}"
-              
-              puts "2. Testing Article.get_association('person') - this should fail"
-              if comment_article_assoc
-                article_person_assoc = context.send(:get_association, 'person', comment_article_assoc.klass)
-                puts "   Result: #{article_person_assoc ? article_person_assoc.name : 'nil'}"
-              end
-              
-              puts "3. Testing attribute_method?('article_person_email', Comment)"
-              attr_method_result = context.attribute_method?('article_person_email', Comment)
-              puts "   Result: #{attr_method_result}"
-              
-              puts "4. Attempting to execute the search"
-              results = search.result.to_a
-              puts "   Results count: #{results.count}"
-              
-              # This should fail if security is working correctly
-              expect(attr_method_result).to be false
-              
-            ensure
-              # Restore the original method
-              Article.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-                authorizable_ransackable_associations
-              end
-            end
-          end
-
-          it 'should reproduce the issue with Comment missing article ransackable association' do
-            # Similarly, if Comment doesn't declare 'article' as ransackable
-            
-            Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-              ['person']  # Missing 'article'!
-            end
-            
-            begin
-              puts "\n=== Testing with Comment missing 'article' in ransackable_associations ==="
-              
-              search = Comment.ransack(article_person_email_cont: 'john@example.com')
-              
-              expect {
-                results = search.result.to_a
-                puts "Unexpected success: found #{results.count} results"
-              }.to raise_error(Ransack::UntraversableAssociationError)
-              
-            ensure  
-              # Restore
-              Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-                authorizable_ransackable_associations
-              end
-            end
-          end
-
-          it 'should work when all associations are properly declared' do
-            # This should work with the default ApplicationRecord configuration
-            search = Comment.ransack(article_person_email_cont: 'john@example.com') 
-            results = search.result
-            
-            expect(results.count).to eq(1)
-            expect(results.first).to eq(@johns_comment)
-            
-            # Verify the SQL is correct
-            sql = results.to_sql.downcase
-            expect(sql).to include('join')
-            expect(sql).to include('articles')
-            expect(sql).to include('people') 
-            expect(sql).to include('email')
-          end
-
-          it 'should test the exact error condition from Ransack 4.3.0' do
-            # Version 4.3.0 changed error handling - maybe this is where the issue lies
-            
-            Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-              []  # No associations allowed
-            end
-            
-            begin
-              search = Comment.ransack(article_person_email_cont: 'john@example.com')
-              
-              # In 4.3.0, this should raise InvalidSearchError instead of ArgumentError
-              expect {
-                search.result.to_a
-              }.to raise_error(Ransack::UntraversableAssociationError)
-              
-            ensure
-              Comment.define_singleton_method(:ransackable_associations) do |auth_object = nil|
-                authorizable_ransackable_associations
-              end
-            end
-          end
-
-          it 'should test edge case: Person missing email in ransackable_attributes' do
-            # What if the final attribute isn't ransackable?
-            
-            Person.define_singleton_method(:ransackable_attributes) do |auth_object = nil|
-              ['id', 'name']  # Missing 'email'!
-            end
-            
-            begin
-              search = Comment.ransack(article_person_email_cont: 'john@example.com')
-              
-              # This might not raise an error but return no results
-              results = search.result.to_a
-              puts "Results when email not ransackable: #{results.count}"
-              
-              # The search might succeed but return no results
-              expect(results.count).to eq(0)
-              
-            ensure
-              Person.define_singleton_method(:ransackable_attributes) do |auth_object = nil|
-                authorizable_ransackable_attributes
-              end
-            end
-          end
-        end
-      end
-    end
-  end
-end
\ No newline at end of file

From b15fa5164393563f718e11120bc4939222e59709 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 25 Sep 2025 00:51:22 +0000
Subject: [PATCH 5/5] Add comprehensive test coverage for deep association
 security fix

Co-authored-by: scarroll32 <11340230+scarroll32@users.noreply.github.com>
---
 .../deep_association_bug_test.rb              | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/spec/ransack/adapters/active_record/deep_association_bug_test.rb b/spec/ransack/adapters/active_record/deep_association_bug_test.rb
index a58a0028..6856053b 100644
--- a/spec/ransack/adapters/active_record/deep_association_bug_test.rb
+++ b/spec/ransack/adapters/active_record/deep_association_bug_test.rb
@@ -54,6 +54,47 @@ module ActiveRecord
           expect(results.count).to eq(1)
           expect(results.first).to eq(@johns_comment)
         end
+
+        it 'should still handle multi-part conditions with combinators' do
+          # Test that legitimate _and_/_or_ conditions still work
+          search = Comment.ransack(article_title_or_body_cont: 'Article')
+          
+          # Should create conditions for the multi-part search
+          expect(search.base.conditions.size).to be > 0
+          
+          # Should find both articles that contain 'Article' in title or body
+          results = search.result.to_a
+          expect(results.count).to eq(2)  # Both comments should match
+        end
+
+        it 'should handle edge case where final attribute is not ransackable' do
+          # Test what happens when the final attribute (email) is not ransackable
+          original_method = Person.method(:ransackable_attributes)
+          Person.define_singleton_method(:ransackable_attributes) do |auth_object = nil|
+            ['id', 'name']  # Missing 'email'!
+          end
+          
+          begin
+            search = Comment.ransack(article_person_email_cont: 'john@example.com')
+            
+            # A condition is created, but it should have no valid attributes due to security
+            expect(search.base.conditions.size).to eq(1)
+            condition = search.base.conditions.first
+            expect(condition.attributes).to be_empty  # No valid attributes due to security
+            
+            # Should return all records (no filtering applied due to invalid condition)
+            results = search.result.to_a
+            expect(results.count).to eq(2)
+            
+            # Verify this matches direct attribute search behavior
+            direct_search = Person.ransack(email_cont: 'john@example.com')
+            direct_results = direct_search.result.to_a
+            expect(direct_results.count).to eq(2)  # Same behavior
+            
+          ensure
+            Person.define_singleton_method(:ransackable_attributes, original_method)
+          end
+        end
       end
     end
   end