Add Propshaft library to enable the asset pipeline without modifying existing assets (#39111).

Patch by Takashi Kato (@tohosaku).

git-svn-id: https://svn.redmine.org/redmine/trunk@22626 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/asset_path_test.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+# Redmine - project management software
+# Copyright (C) 2006-2023  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require_relative '../../../test_helper'
+
+class Redmine::AssetPathTest < ActiveSupport::TestCase
+  def setup
+    assets_dir = Rails.root.join('test/fixtures/asset_path/foo')
+    @asset_path = Redmine::AssetPath.new(assets_dir, assets_dir.children.filter_map{|child| child if child.directory? }, 'plugin_assets/foo/')
+    @assets = {}
+    @transition_map = {}
+    @asset_path.update(transition_map: @transition_map, assets: @assets)
+  end
+
+  test "asset path size" do
+    assert_equal 2, @asset_path.paths.size
+  end
+
+  test "@transition_map does not contain directories with parent-child relationships" do
+    assert_equal '.', @transition_map['plugin_assets/foo']['../images']
+    assert_nil   @transition_map['plugin_assets/foo/bar']['../../images/baz']
+    assert_equal '..', @transition_map['plugin_assets/foo/bar']['../../images']
+  end
+
+  test "update assets" do
+    assert_not_nil @assets['plugin_assets/foo/foo.css']
+    assert_not_nil @assets['plugin_assets/foo/foo.svg']
+  end
+end