Refactor BindParameterTest

Ref: rails#51139

Makes it more clear that the expected behavior really is.

activerecord/test/cases/adapters/abstract_mysql_adapter/bind_parameter_test.rb

@@ -49,39 +49,46 @@ def test_create_null_bytes
         end
 
         def test_where_with_string_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", "Welcome to the weblog").count
-          assert_equal 1, count
+          assert_quoted_as "'Welcome to the weblog'", "Welcome to the weblog"
         end
 
         def test_where_with_integer_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", 0).count
-          assert_equal 0, count
+          assert_quoted_as "'0'", 0
         end
 
         def test_where_with_float_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", 0.0).count
-          assert_equal 0, count
+          assert_quoted_as "'0.0'", 0.0
         end
 
         def test_where_with_boolean_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", false).count
-          assert_equal 0, count
+          assert_quoted_as "'0'", false
         end
 
         def test_where_with_decimal_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", BigDecimal(0)).count
-          assert_equal 0, count
+          assert_quoted_as "'0.0'", BigDecimal(0)
         end
 
         def test_where_with_rational_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", Rational(0)).count
-          assert_equal 0, count
+          assert_quoted_as "'0.0'", Rational(0)
         end
 
         def test_where_with_duration_for_string_column_using_bind_parameters
-          count = assert_deprecated(ActiveRecord.deprecator) { Post.where("title = ?", 0.seconds).count }
-          assert_equal 0, count
+          assert_deprecated(ActiveRecord.deprecator) do
+            assert_quoted_as "'0'", 0.seconds
+          end
         end
+
+        private
+          def assert_quoted_as(expected, value)
+            relation = Post.where("title = ?", value)
+            assert_equal(
+              %{SELECT `posts`.* FROM `posts` WHERE (title = #{expected})},
+              relation.to_sql,
+            )
+            assert_nothing_raised do # Make sure SQL is valid
+              relation.to_a
+            end
+          end
       end
     end
   end

activerecord/test/cases/adapters/postgresql/bind_parameter_test.rb

@@ -10,45 +10,52 @@ class BindParameterTest < ActiveRecord::PostgreSQLTestCase
         fixtures :posts
 
         def test_where_with_string_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", "Welcome to the weblog").count
-          assert_equal 1, count
+          assert_quoted_as "'Welcome to the weblog'", "Welcome to the weblog"
         end
 
         def test_where_with_integer_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            Post.where("title = ?", 0).count
-          end
+          assert_quoted_as "0", 0, valid: false
         end
 
         def test_where_with_float_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            Post.where("title = ?", 0.0).count
-          end
+          assert_quoted_as "0.0", 0.0, valid: false
         end
 
         def test_where_with_boolean_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            Post.where("title = ?", false).count
-          end
+          assert_quoted_as "0", false, valid: false
         end
 
         def test_where_with_decimal_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            Post.where("title = ?", BigDecimal(0)).count
-          end
+          assert_quoted_as "0.0", BigDecimal(0), valid: false
         end
 
         def test_where_with_rational_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            Post.where("title = ?", Rational(0)).count
-          end
+          assert_quoted_as "0/1", Rational(0), valid: false
         end
 
         def test_where_with_duration_for_string_column_using_bind_parameters
-          assert_raises ActiveRecord::StatementInvalid do
-            assert_deprecated(ActiveRecord.deprecator) { Post.where("title = ?", 0.seconds).count }
+          assert_deprecated(ActiveRecord.deprecator) do
+            assert_quoted_as "0", 0.seconds, valid: false
           end
         end
+
+        private
+          def assert_quoted_as(expected, value, valid: true)
+            relation = Post.where("title = ?", value)
+            assert_equal(
+              %{SELECT "posts".* FROM "posts" WHERE (title = #{expected})},
+              relation.to_sql,
+            )
+            if valid
+              assert_nothing_raised do # Make sure SQL is valid
+                relation.to_a
+              end
+            else
+              assert_raises ActiveRecord::StatementInvalid do
+                relation.to_a
+              end
+            end
+          end
       end
     end
   end

activerecord/test/cases/adapters/sqlite3/bind_parameter_test.rb

@@ -10,39 +10,46 @@ class BindParameterTest < ActiveRecord::SQLite3TestCase
         fixtures :posts
 
         def test_where_with_string_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", "Welcome to the weblog").count
-          assert_equal 1, count
+          assert_quoted_as "'Welcome to the weblog'", "Welcome to the weblog"
         end
 
         def test_where_with_integer_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", 0).count
-          assert_equal 0, count
+          assert_quoted_as "0", 0
         end
 
         def test_where_with_float_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", 0.0).count
-          assert_equal 0, count
+          assert_quoted_as "0.0", 0.0
         end
 
         def test_where_with_boolean_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", false).count
-          assert_equal 0, count
+          assert_quoted_as "0", false
         end
 
         def test_where_with_decimal_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", BigDecimal(0)).count
-          assert_equal 0, count
+          assert_quoted_as "0.0", BigDecimal(0)
         end
 
         def test_where_with_rational_for_string_column_using_bind_parameters
-          count = Post.where("title = ?", Rational(0)).count
-          assert_equal 0, count
+          assert_quoted_as "0/1", Rational(0)
         end
 
         def test_where_with_duration_for_string_column_using_bind_parameters
-          count = assert_deprecated(ActiveRecord.deprecator) { Post.where("title = ?", 0.seconds).count }
-          assert_equal 0, count
+          assert_deprecated(ActiveRecord.deprecator) do
+            assert_quoted_as "0", 0.seconds
+          end
         end
+
+        private
+          def assert_quoted_as(expected, value)
+            relation = Post.where("title = ?", value)
+            assert_equal(
+              %{SELECT "posts".* FROM "posts" WHERE (title = #{expected})},
+              relation.to_sql,
+            )
+            assert_nothing_raised do # Make sure SQL is valid
+              relation.to_a
+            end
+          end
       end
     end
   end