1 files changed, 47 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/collectors/substitute_bind_collector_test.rb b/activerecord/test/cases/arel/collectors/substitute_bind_collector_test.rb
new file mode 100644
index 0000000000..18f0ac14de
--- /dev/null
+++ b/activerecord/test/cases/arel/collectors/substitute_bind_collector_test.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+require_relative '../helper'
+require 'arel/collectors/substitute_binds'
+require 'arel/collectors/sql_string'
+
+module Arel
+  module Collectors
+    class TestSubstituteBindCollector < Arel::Test
+      def setup
+        @conn = FakeRecord::Base.new
+        @visitor = Visitors::ToSql.new @conn.connection
+        super
+      end
+
+      def ast_with_binds
+        table = Table.new(:users)
+        manager = Arel::SelectManager.new table
+        manager.where(table[:age].eq(Nodes::BindParam.new("hello")))
+        manager.where(table[:name].eq(Nodes::BindParam.new("world")))
+        manager.ast
+      end
+
+      def compile(node, quoter)
+        collector = Collectors::SubstituteBinds.new(quoter, Collectors::SQLString.new)
+        @visitor.accept(node, collector).value
+      end
+
+      def test_compile
+        quoter = Object.new
+        def quoter.quote(val)
+          val.to_s
+        end
+        sql = compile(ast_with_binds, quoter)
+        assert_equal 'SELECT FROM "users" WHERE "users"."age" = hello AND "users"."name" = world', sql
+      end
+
+      def test_quoting_is_delegated_to_quoter
+        quoter = Object.new
+        def quoter.quote(val)
+          val.inspect
+        end
+        sql = compile(ast_with_binds, quoter)
+        assert_equal 'SELECT FROM "users" WHERE "users"."age" = "hello" AND "users"."name" = "world"', sql
+      end
+    end
+  end
+end