1 files changed, 36 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/nodes/as_test.rb b/activerecord/test/cases/arel/nodes/as_test.rb
new file mode 100644
index 0000000000..1169ea11c9
--- /dev/null
+++ b/activerecord/test/cases/arel/nodes/as_test.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require_relative "../helper"
+
+module Arel
+  module Nodes
+    describe "As" do
+      describe "#as" do
+        it "makes an AS node" do
+          attr = Table.new(:users)[:id]
+          as = attr.as(Arel.sql("foo"))
+          assert_equal attr, as.left
+          assert_equal "foo", as.right
+        end
+
+        it "converts right to SqlLiteral if a string" do
+          attr = Table.new(:users)[:id]
+          as = attr.as("foo")
+          assert_kind_of Arel::Nodes::SqlLiteral, as.right
+        end
+      end
+
+      describe "equality" do
+        it "is equal with equal ivars" do
+          array = [As.new("foo", "bar"), As.new("foo", "bar")]
+          assert_equal 1, array.uniq.size
+        end
+
+        it "is not equal with different ivars" do
+          array = [As.new("foo", "bar"), As.new("foo", "baz")]
+          assert_equal 2, array.uniq.size
+        end
+      end
+    end
+  end
+end