3 files changed, 34 insertions, 1 deletions
diff --git a/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb b/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
index 74288a98d1..d03d1dd94c 100644
--- a/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
+++ b/activerecord/test/cases/adapters/sqlite3/copy_table_test.rb
@@ -32,6 +32,11 @@ class CopyTableTest < ActiveRecord::TestCase
     end
   end
 
+  def test_copy_table_allows_to_pass_options_to_create_table
+    @connection.create_table('blocker_table')
+    test_copy_table('customers', 'blocker_table', force: true)
+  end
+
   def test_copy_table_with_index
     test_copy_table('comments', 'comments_with_index') do
       @connection.add_index('comments_with_index', ['post_id', 'type'])
@@ -43,7 +48,9 @@ class CopyTableTest < ActiveRecord::TestCase
   end
 
   def test_copy_table_without_primary_key
-    test_copy_table('developers_projects', 'programmers_projects')
+    test_copy_table('developers_projects', 'programmers_projects') do
+      assert_nil @connection.primary_key('programmers_projects')
+    end
   end
 
   def test_copy_table_with_id_col_that_is_not_primary_key
diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index c2b58fd7d1..8b82b79219 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -287,6 +287,12 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     assert_equal "Don't change the topic", topic[:title]
   end
 
+  def test_read_attribute_raises_missing_attribute_error_when_not_exists
+    computer = Computer.select('id').first
+    assert_raises(ActiveModel::MissingAttributeError) { computer[:developer] }
+    assert_raises(ActiveModel::MissingAttributeError) { computer[:extendedWarranty] }
+  end
+
   def test_read_attribute_when_false
     topic = topics(:first)
     topic.approved = false
diff --git a/activerecord/test/cases/migration/change_schema_test.rb b/activerecord/test/cases/migration/change_schema_test.rb
index 17c1634444..86451289e7 100644
--- a/activerecord/test/cases/migration/change_schema_test.rb
+++ b/activerecord/test/cases/migration/change_schema_test.rb
@@ -132,6 +132,26 @@ module ActiveRecord
         assert_equal %w(foo testingid), connection.columns(:testings).map(&:name).sort
       end
 
+      def test_create_table_raises_when_redefining_primary_key_column
+        error = assert_raise(ArgumentError) do
+          connection.create_table :testings do |t|
+            t.column :id, :string
+          end
+        end
+
+        assert_equal "you can't redefine the primary key column 'id'. To define a custom primary key, pass { id: false } to create_table.", error.message
+      end
+
+      def test_create_table_raises_when_redefining_custom_primary_key_column
+        error = assert_raise(ArgumentError) do
+          connection.create_table :testings, primary_key: :testing_id do |t|
+            t.column :testing_id, :string
+          end
+        end
+
+        assert_equal "you can't redefine the primary key column 'testing_id'. To define a custom primary key, pass { id: false } to create_table.", error.message
+      end
+
       def test_create_table_with_timestamps_should_create_datetime_columns
         connection.create_table table_name do |t|
           t.timestamps