1 files changed, 56 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/xml_test.rb b/activerecord/test/cases/adapters/postgresql/xml_test.rb
new file mode 100644
index 0000000000..71ead6f7f3
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/xml_test.rb
@@ -0,0 +1,56 @@
+# frozen_string_literal: true
+
+require "cases/helper"
+require "support/schema_dumping_helper"
+
+class PostgresqlXMLTest < ActiveRecord::PostgreSQLTestCase
+  include SchemaDumpingHelper
+  class XmlDataType < ActiveRecord::Base
+    self.table_name = "xml_data_type"
+  end
+
+  def setup
+    @connection = ActiveRecord::Base.connection
+    begin
+      @connection.transaction do
+        @connection.create_table("xml_data_type") do |t|
+          t.xml "payload"
+        end
+      end
+    rescue ActiveRecord::StatementInvalid
+      skip "do not test on PG without xml"
+    end
+    @column = XmlDataType.columns_hash["payload"]
+  end
+
+  teardown do
+    @connection.drop_table "xml_data_type", if_exists: true
+  end
+
+  def test_column
+    assert_equal :xml, @column.type
+  end
+
+  def test_null_xml
+    @connection.execute "insert into xml_data_type (payload) VALUES(null)"
+    assert_nil XmlDataType.first.payload
+  end
+
+  def test_round_trip
+    data = XmlDataType.new(payload: "<foo>bar</foo>")
+    assert_equal "<foo>bar</foo>", data.payload
+    data.save!
+    assert_equal "<foo>bar</foo>", data.reload.payload
+  end
+
+  def test_update_all
+    data = XmlDataType.create!
+    XmlDataType.update_all(payload: "<bar>baz</bar>")
+    assert_equal "<bar>baz</bar>", data.reload.payload
+  end
+
+  def test_schema_dump_with_shorthand
+    output = dump_table_schema("xml_data_type")
+    assert_match %r{t\.xml "payload"}, output
+  end
+end