1 files changed, 11 insertions, 5 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb
index ac36d0e835..41e9bb912e 100644
--- a/activerecord/test/cases/adapters/postgresql/active_schema_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/active_schema_test.rb
@@ -29,18 +29,24 @@ class PostgresqlActiveSchemaTest < ActiveRecord::TestCase
       false
     end
 
-    expected = %(CREATE UNIQUE INDEX "index_people_on_last_name" ON "people" ("last_name") WHERE state = 'active')
+    expected = %(CREATE UNIQUE INDEX  "index_people_on_last_name" ON "people"  ("last_name") WHERE state = 'active')
     assert_equal expected, add_index(:people, :last_name, :unique => true, :where => "state = 'active'")
 
+    expected = %(CREATE  INDEX CONCURRENTLY "index_people_on_last_name" ON "people"  ("last_name"))
+    assert_equal expected, add_index(:people, :last_name, algorithm: :concurrently)
+
     %w(gin gist hash btree).each do |type|
-      expected = %(CREATE  INDEX "index_people_on_last_name" ON "people" USING #{type} ("last_name"))
-      assert_equal expected, add_index(:people, :last_name, :using => type)
+      expected = %(CREATE  INDEX  "index_people_on_last_name" ON "people" USING #{type} ("last_name"))
+      assert_equal expected, add_index(:people, :last_name, using: type)
+
+      expected = %(CREATE  INDEX CONCURRENTLY "index_people_on_last_name" ON "people" USING #{type} ("last_name"))
+      assert_equal expected, add_index(:people, :last_name, using: type, algorithm: :concurrently)
     end
 
-    expected = %(CREATE UNIQUE INDEX "index_people_on_last_name" ON "people" USING gist ("last_name"))
+    expected = %(CREATE UNIQUE INDEX  "index_people_on_last_name" ON "people" USING gist ("last_name"))
     assert_equal expected, add_index(:people, :last_name, :unique => true, :using => :gist)
 
-    expected = %(CREATE UNIQUE INDEX "index_people_on_last_name" ON "people" USING gist ("last_name") WHERE state = 'active')
+    expected = %(CREATE UNIQUE INDEX  "index_people_on_last_name" ON "people" USING gist ("last_name") WHERE state = 'active')
     assert_equal expected, add_index(:people, :last_name, :unique => true, :where => "state = 'active'", :using => :gist)
 
     ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.send(:remove_method, :index_name_exists?)