1 files changed, 44 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..1f8612f799
--- /dev/null
+++ b/activerecord/test/cases/arel/helper.rb
@@ -0,0 +1,44 @@
+# 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