1 files changed, 53 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/ltree_test.rb b/activerecord/test/cases/adapters/postgresql/ltree_test.rb
new file mode 100644
index 0000000000..5a0f505072
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/ltree_test.rb
@@ -0,0 +1,53 @@
+# encoding: utf-8
+require "cases/helper"
+require 'support/schema_dumping_helper'
+
+class PostgresqlLtreeTest < ActiveRecord::TestCase
+  include SchemaDumpingHelper
+  class Ltree < ActiveRecord::Base
+    self.table_name = 'ltrees'
+  end
+
+  def setup
+    @connection = ActiveRecord::Base.connection
+
+    enable_extension!('ltree', @connection)
+
+    @connection.transaction do
+      @connection.create_table('ltrees') do |t|
+        t.ltree 'path'
+      end
+    end
+  rescue ActiveRecord::StatementInvalid
+    skip "do not test on PG without ltree"
+  end
+
+  teardown do
+    @connection.execute 'drop table if exists ltrees'
+  end
+
+  def test_column
+    column = Ltree.columns_hash['path']
+    assert_equal :ltree, column.type
+    assert_equal "ltree", column.sql_type
+    assert_not column.number?
+    assert_not column.binary?
+    assert_not column.array
+  end
+
+  def test_write
+    ltree = Ltree.new(path: '1.2.3.4')
+    assert ltree.save!
+  end
+
+  def test_select
+    @connection.execute "insert into ltrees (path) VALUES ('1.2.3')"
+    ltree = Ltree.first
+    assert_equal '1.2.3', ltree.path
+  end
+
+  def test_schema_dump_with_shorthand
+    output = dump_table_schema("ltrees")
+    assert_match %r[t.ltree "path"], output
+  end
+end