1 files changed, 43 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/helper.rb b/activerecord/test/cases/arel/helper.rb
new file mode 100644
index 0000000000..b716ee833f
--- /dev/null
+++ b/activerecord/test/cases/arel/helper.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+require 'rubygems'
+require 'minitest/autorun'
+require 'arel'
+
+require_relative 'support/fake_record'
+
+class Object
+  def must_be_like other
+    gsub(/\s+/, ' ').strip.must_equal other.gsub(/\s+/, ' ').strip
+  end
+end
+
+module Arel
+  class Test < Minitest::Test
+    def setup
+      super
+      @arel_engine = Arel::Table.engine
+      Arel::Table.engine = FakeRecord::Base.new
+    end
+
+    def teardown
+      Arel::Table.engine = @arel_engine if defined? @arel_engine
+      super
+    end
+
+    def assert_like expected, actual
+      assert_equal expected.gsub(/\s+/, ' ').strip,
+                   actual.gsub(/\s+/, ' ').strip
+    end
+  end
+
+  class Spec < Minitest::Spec
+    before do
+      @arel_engine = Arel::Table.engine
+      Arel::Table.engine = FakeRecord::Base.new
+    end
+
+    after do
+      Arel::Table.engine = @arel_engine if defined? @arel_engine
+    end
+  end
+end