From 4c38f461849e641a36023f24c8d8293ee2dba572 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Tue, 5 Feb 2019 13:50:20 +0000
Subject: Makes sure the generated thumbnail is always of at least the
 requested size (#13688).
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Patch by Jens Krämer and Marius BALTEANU.


git-svn-id: http://svn.redmine.org/redmine/trunk@17850 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 test/unit/attachment_test.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'test/unit/attachment_test.rb')

diff --git a/test/unit/attachment_test.rb b/test/unit/attachment_test.rb
index 9491fae98..bccb2c6c4 100644
--- a/test/unit/attachment_test.rb
+++ b/test/unit/attachment_test.rb
@@ -480,6 +480,24 @@ class AttachmentTest < ActiveSupport::TestCase
       attachment = Attachment.find(16)
       assert_nil attachment.thumbnail
     end
+
+    def test_thumbnail_should_be_at_least_of_requested_size
+      set_fixtures_attachments_directory
+      attachment = Attachment.find(16)
+      Attachment.clear_thumbnails
+      [
+        [0, 100],
+        [49, 50],
+        [50, 50],
+        [51, 100],
+        [100, 100],
+        [101, 150],
+      ].each do |size, generated_size|
+        thumbnail = attachment.thumbnail(size: size)
+        assert_equal "8e0294de2441577c529f170b6fb8f638_2654_#{generated_size}.thumb",
+          File.basename(thumbnail)
+      end
+    end
   else
     puts '(ImageMagick convert not available)'
   end
-- 
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