From 7c479cbf6211d7efadc0a9573cf82c05291f7ef1 Mon Sep 17 00:00:00 2001
From: Andrew White <andrew.white@unboxed.co>
Date: Sun, 11 Mar 2018 18:30:19 +0000
Subject: Ensure that leading date is stripped by quoted_time

In #24542, quoted_time was introduced to strip the leading date
component for time columns because it was having a significant
effect in mariadb. However, it assumed that the date component
was always 2000-01-01 which isn't the case, especially if the
source wasn't another time column.
---
 activerecord/test/cases/quoting_test.rb | 39 ++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

(limited to 'activerecord/test/cases')

diff --git a/activerecord/test/cases/quoting_test.rb b/activerecord/test/cases/quoting_test.rb
index 6534770c57..a8eed2ff26 100644
--- a/activerecord/test/cases/quoting_test.rb
+++ b/activerecord/test/cases/quoting_test.rb
@@ -46,27 +46,60 @@ module ActiveRecord
         assert_equal t.to_s(:db), @quoter.quoted_date(t)
       end
 
-      def test_quoted_time_utc
+      def test_quoted_timestamp_utc
         with_timezone_config default: :utc do
           t = Time.now.change(usec: 0)
           assert_equal t.getutc.to_s(:db), @quoter.quoted_date(t)
         end
       end
 
-      def test_quoted_time_local
+      def test_quoted_timestamp_local
         with_timezone_config default: :local do
           t = Time.now.change(usec: 0)
           assert_equal t.getlocal.to_s(:db), @quoter.quoted_date(t)
         end
       end
 
-      def test_quoted_time_crazy
+      def test_quoted_timestamp_crazy
         with_timezone_config default: :asdfasdf do
           t = Time.now.change(usec: 0)
           assert_equal t.getlocal.to_s(:db), @quoter.quoted_date(t)
         end
       end
 
+      def test_quoted_time_utc
+        with_timezone_config default: :utc do
+          t = Time.now.change(usec: 0)
+
+          expected = t.change(year: 2000, month: 1, day: 1)
+          expected = expected.getutc.to_s(:db).sub("2000-01-01 ", "")
+
+          assert_equal expected, @quoter.quoted_time(t)
+        end
+      end
+
+      def test_quoted_time_local
+        with_timezone_config default: :local do
+          t = Time.now.change(usec: 0)
+
+          expected = t.change(year: 2000, month: 1, day: 1)
+          expected = expected.getlocal.to_s(:db).sub("2000-01-01 ", "")
+
+          assert_equal expected, @quoter.quoted_time(t)
+        end
+      end
+
+      def test_quoted_time_crazy
+        with_timezone_config default: :asdfasdf do
+          t = Time.now.change(usec: 0)
+
+          expected = t.change(year: 2000, month: 1, day: 1)
+          expected = expected.getlocal.to_s(:db).sub("2000-01-01 ", "")
+
+          assert_equal expected, @quoter.quoted_time(t)
+        end
+      end
+
       def test_quoted_datetime_utc
         with_timezone_config default: :utc do
           t = Time.now.change(usec: 0).to_datetime
-- 
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