Run test_migrate tests on CI

Now that we've resolved the issue with the invalid git repository in the
parent commit, we can run all of the tests in our CI environment.

.github/workflows/test.yaml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [2.6, 2.7, 3.0]
+        ruby: ['2.6', '2.7', '3.0', '3.1']
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2

Rakefile

@@ -1,6 +1,5 @@
 require 'rubygems'
 require 'rake'
-require 'date'
 
 #############################################################################
 #
@@ -38,14 +37,6 @@ def bump_version
   new_version
 end
 
-def date
-  Date.today.to_s
-end
-
-def rubyforge_project
-  name
-end
-
 def gemspec_file
   "#{name}.gemspec"
 end
@@ -143,12 +134,9 @@ task :gemspec => :validate do
   spec = File.read(gemspec_file)
   head, manifest, tail = spec.split("  # = MANIFEST =\n")
 
-  # replace name version and date
+  # replace name and version
   replace_header(head, :name)
   replace_header(head, :version)
-  replace_header(head, :date)
-  #comment this out if your rubyforge_project has a different name
-  replace_header(head, :rubyforge_project)
 
   # determine file list from git ls-files
   files = `git ls-files`.

bin/gollum-migrate-tags

@@ -11,8 +11,11 @@ migrate_options = {
   :hyphenate => true
 }
 
-def setting(const)
-  Object.const_defined?(const.upcase) && Object.const_get(const.upcase)
+def setting(variable_name)
+  class_variable_name = :"@@#{variable_name.to_s}"
+
+  Object.class_variable_defined?(class_variable_name) &&
+    Object.class_variable_get(class_variable_name)
 end
 
 opts = OptionParser.new do |opts|
@@ -78,8 +81,11 @@ end
 begin
   opts.parse!
   migrate_options.each do |setting, value|
-    const = setting.to_s.upcase
-    Object.const_set(const, value) unless Object.const_defined?(const)
+    variable_name = :"@@#{setting.to_s}"
+
+    unless Object.class_variable_defined?(variable_name)
+      Object.class_variable_set(variable_name, value)
+    end
   end
   wiki_options[:page_file_dir] = setting(:page_file_dir) ? setting(:page_file_dir) : wiki_options[:page_file_dir] # Allow settings :page_file_dir through PAGE_FILE_DIR constant.
 rescue OptionParser::InvalidOption
@@ -88,7 +94,7 @@ rescue OptionParser::InvalidOption
   exit
 end
 
-REPO = ARGV[0] || Dir.pwd
+wiki_directory = ARGV[0] || Dir.pwd
 
 require 'gollum-lib'
 
@@ -232,8 +238,12 @@ end
 
 filter_chain = [:PlainTextMigrator, :CodeMigrator, :TagMigrator]
 
-wiki = ::Gollum::Wiki.new(REPO, wiki_options.merge({:filter_chain => filter_chain}))
-TREE = wiki.tree_list(wiki.ref, true, true).map {|file| ::File.join('/', file.path)}
+wiki = ::Gollum::Wiki.new(wiki_directory, wiki_options.merge({:filter_chain => filter_chain}))
+
+Object.class_variable_set(
+  :"@@wiki_tree",
+  wiki.tree_list(wiki.ref, true, true).map {|file| ::File.join('/', file.path)}
+)
 
 def find_linked(link)
   link.gsub!(' ', '-') if setting(:hyphenate) # Match paths containing dashes instead of spaces
@@ -243,7 +253,9 @@ def find_linked(link)
   test_path = ::File.extname(link).empty? ? /#{link}\..+/ : link
   # Select pages from the wiki whose path =~ 'Foo/Bar/Samwi.*'
   # Match case-insenstively to mimic 4.x behavior!
-  TREE.select {|path| path =~ /^\/(.*\/)?#{test_path}/i}
+  Object.class_variable_get(:"@@wiki_tree").select { |path|
+    path =~ /^\/(.*\/)?#{test_path}/i
+  }
 end
 
 def log(kind, msg = nil)

gollum.gemspec

@@ -1,12 +1,9 @@
 Gem::Specification.new do |s|
-  s.specification_version = 2 if s.respond_to? :specification_version=
   s.required_rubygems_version = Gem::Requirement.new('>= 0') if s.respond_to? :required_rubygems_version=
-  s.rubygems_version = '1.3.5'
   s.required_ruby_version = '>= 2.6'
 
   s.name              = 'gollum'
   s.version           = '5.2.3'
-  s.date              = '2021-04-18'
   s.license           = 'MIT'
 
   s.summary     = 'A simple, Git-powered wiki.'

lib/gollum.rb

@@ -29,9 +29,10 @@ module Gollum
       @@filters[pattern] = replacement
     end
 
-    def self.apply_filters(data)
+    def self.apply_filters(wiki_page, data)
       @@filters.each do |pattern, replacement|
-        data.gsub!(pattern, replacement.call)
+        params = replacement.parameters.length == 0 ? nil : wiki_page
+        data.gsub!(pattern, replacement.call(*params))
       end
       data
     end

lib/gollum/app.rb

@@ -103,8 +103,7 @@ module Precious
     end
 
     before do
-      settings.wiki_options[:allow_editing] = settings.wiki_options.fetch(:allow_editing, true)
-      @allow_editing = settings.wiki_options[:allow_editing]
+      @allow_editing = settings.wiki_options.fetch(:allow_editing, true)
       @critic_markup = settings.wiki_options[:critic_markup]
       @redirects_enabled = settings.wiki_options.fetch(:redirects_enabled, true)
       @per_page_uploads = settings.wiki_options[:per_page_uploads]
@@ -112,8 +111,6 @@ module Precious
       
       @wiki_title = settings.wiki_options.fetch(:title, 'Gollum Wiki')
 
-      forbid unless @allow_editing || request.request_method == 'GET'
-
       if settings.wiki_options[:template_dir]
         Precious::Views::Layout.extend Precious::Views::TemplateCascade
         Precious::Views::Layout.template_priority_path = settings.wiki_options[:template_dir]
@@ -143,6 +140,8 @@ module Precious
           config.manifest = Sprockets::Manifest.new(settings.sprockets, @static_assets_path)
         end
       end
+
+      forbid unless @allow_editing || request.request_method == 'GET'
     end
 
     get '/' do
@@ -369,7 +368,7 @@ module Precious
         @name = wikip.name
         @ext  = wikip.ext
         @path = wikip.path
-        @template_page = load_template(@path) if settings.wiki_options[:template_page]
+        @template_page = load_template(wikip, @path) if settings.wiki_options[:template_page]
         @allow_uploads = wikip.wiki.allow_uploads
         @upload_dest   = find_upload_dest(wikip.fullpath)
 
@@ -661,9 +660,9 @@ module Precious
       end
     end
 
-    def load_template(path)
+    def load_template(wiki_page, path)
       template_page = wiki_page(::File.join(path, '_Template')).page || wiki_page('/_Template').page
-      template_page ? Gollum::TemplateFilter.apply_filters(template_page.text_data) : nil
+      template_page ? Gollum::TemplateFilter.apply_filters(wiki_page, template_page.text_data) : nil
     end
 
     def update_wiki_page(wiki, page, content, commit, name = nil, format = nil)

lib/gollum/views/helpers/locale_helpers.rb

@@ -42,7 +42,7 @@ module Precious
       end
 
       def fill_argument_content(i18n_key, i18n_value)
-        i18n_value.gsub!(YAML_VARIABLE_REGEXP) do |argument|
+        i18n_value = i18n_value.gsub(YAML_VARIABLE_REGEXP) do |argument|
           method_name = argument.gsub(/[^\w]/, '')
 
           next if method_name.nil?

lib/gollum/views/template_cascade.rb

@@ -11,9 +11,13 @@ module Precious
       end
 
       def first_path_available(name)
-        priority = File.join(template_priority_path, "#{name}.#{template_extension}")
         default = File.join(template_path, "#{name}.#{template_extension}")
-        File.exists?(priority) ? priority : default
+        priority =
+          if template_priority_path
+            File.join(template_priority_path, "#{name}.#{template_extension}")
+          end
+
+        priority && File.exist?(priority) ? priority : default
       end
 
       # Method should track lib/mustache/settings.rb from Mustache project.

test/helper.rb

@@ -1,18 +1,20 @@
 require 'rubygems'
 require 'rack/test'
-require 'test/unit'
 require 'shoulda'
-require 'mocha/setup'
-require 'fileutils'
+require 'minitest/autorun'
 require 'minitest/reporters'
 require 'minitest/spec'
+require 'mocha/setup'
+require 'fileutils'
 require 'tmpdir'
 
 # Silence locale validation warning
 require 'i18n'
 I18n.enforce_available_locales = false
 
-MiniTest::Reporters.use!
+Minitest::Reporters.use! [
+  Minitest::Reporters::DefaultReporter.new({color: true})
+]
 
 dir = File.dirname(File.expand_path(__FILE__))
 $LOAD_PATH.unshift(File.join(dir, '..', 'lib'))
@@ -62,14 +64,29 @@ def normal(text)
   text
 end
 
-# test/spec/mini 3
+# The following configuration originates from this gist:
+
 #     http://gist.github.com/25455
-# chris@ozmm.org
-# file:lib/test/spec/mini.rb
+#
+# But it has been modified since it was first committed. It allows you to
+# write tests with an RSpec-like DSL:
+#
+#    context "my test context" do
+#      setup do
+#        # My test setup
+#      end
+#
+#      teardown do
+#        # My test teardown
+#      end
+#
+#      test "some functionality" do
+#        assert true
+#      end
+#    end
 def context(*args, &block)
   return super unless (name = args.first) && block
-  require 'test/unit'
-  klass = Class.new(defined?(ActiveSupport::TestCase) ? ActiveSupport::TestCase : Test::Unit::TestCase) do
+  klass = Class.new(Minitest::Test) do
     def self.test(name, &block)
       define_method("test_#{name.gsub(/\W/, '_')}", &block) if block
     end
@@ -85,10 +102,13 @@ def context(*args, &block)
       define_method(:teardown, &block)
     end
   end
+
   (
     class << klass;
       self
-  end).send(:define_method, :name) { name.gsub(/\W/, '_') }
+    end
+  ).send(:define_method, :name) { name.gsub(/\W/, '_') }
+
   $contexts << klass
   klass.class_eval &block
 end

test/test_allow_editing.rb

@@ -3,84 +3,104 @@ require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
 context "Precious::Views::Editing" do
   include Rack::Test::Methods
+
   setup do
     @path = cloned_testpath('examples/revert.git')
     Precious::App.set(:gollum_path, @path)
+    Precious::App.set(:wiki_options, {allow_editing: true, allow_uploads: true})
     @wiki = Gollum::Wiki.new(@path)
   end
 
   teardown do
+    Precious::App.set(:wiki_options, {allow_editing: true, allow_uploads: true})
     FileUtils.rm_rf(@path)
   end
 
-  test "creating page is blocked" do
-    Precious::App.set(:wiki_options, { allow_editing: false})
-    post "/gollum/create", :content => 'abc', :page => "D",
-         :format             => 'markdown', :message => 'def'
-    assert !last_response.ok?
+  test 'creating pages is not blocked' do
+    post '/gollum/create',
+      content: 'abc',
+      format: 'markdown',
+      message: 'def',
+      page: 'D'
 
-    page = @wiki.page('D')
-    assert page.nil?
+    assert_equal last_response.status, 302
+
+    refute_nil @wiki.page('D')
+  end
+
+  test 'creating pages is blocked' do
+    Precious::App.set(:wiki_options, {allow_editing: false, allow_uploads: false})
+
+    post '/gollum/create',
+      content: 'abc',
+      format: 'markdown',
+      message: 'def',
+      page: 'D'
+
+    assert last_response.body.include? 'Forbidden. This wiki is set to no-edit mode.'
+
+    refute last_response.ok?
+
+    assert_nil @wiki.page('D')
   end
 
   test ".redirects.gollum file should not be accessible" do
-    Precious::App.set(:wiki_options, { allow_editing: true, allow_uploads: true })
     get '/.redirects.gollum'
     assert_match /Accessing this resource is not allowed/, last_response.body
   end
 
   test ".redirects.gollum file should not be editable" do
-    Precious::App.set(:wiki_options, { allow_editing: true, allow_uploads: true })
     get '/gollum/edit/.redirects.gollum'
     assert_match /Changing this resource is not allowed/, last_response.body
   end
 
   test "frontend links for editing are not blocked" do
-    Precious::App.set(:wiki_options, { allow_editing: true, allow_uploads: true })
     get '/A'
 
-    assert_match /Delete this Page/, last_response.body, "'Delete this Page' link is blocked in page template"
-    assert_match /New/,              last_response.body, "'New' button is blocked in page template"
-    assert_match /Upload\b/,         last_response.body, "'Upload' link is blocked in page template"
-    assert_match /Rename/,           last_response.body, "'Rename' link is blocked in page template"
-    assert_match /Edit/,             last_response.body, "'Edit' link is blocked in page template"
+    assert last_response.body.include? "Delete this Page"
+    assert last_response.body.include? "New"
+    assert last_response.body.include? "<span>Upload</span>"
+    assert last_response.body.include? "Rename"
+    assert last_response.body.include? "Edit"
 
     get '/gollum/overview'
 
-    assert_match /New/, last_response.body, "'New' link is blocked in pages template"
+    assert last_response.body.include? "New"
 
     get '/gollum/history/A'
 
-    assert_no_match /Edit/, last_response.body, "'Edit' link is not blocked in history template"
+    refute last_response.body.include? "Edit"
 
-    get '/gollum/compare/A/fc66539528eb96f21b2bbdbf557788fe8a1196ac..b26b791cb7917c4f37dd9cb4d1e0efb24ac4d26f'
+    get '/gollum/compare/A/fc665395..b26b791c'
 
-    assert_no_match /Edit Page/,             last_response.body, "'Edit Page' link is not blocked in compare template"
-    assert_match /Revert Changes/,        last_response.body, "'Revert Changes' link is blocked in compare template"
+    refute last_response.body.include? "Edit Page"
+
+    assert last_response.body.include? "Revert Changes"
   end
 
   test "frontend links for editing blocked" do
-    Precious::App.set(:wiki_options, { allow_editing: false })
+    Precious::App.set(:wiki_options, {allow_editing: false, allow_uploads: false})
+
     get '/A'
 
-    assert_no_match /Delete this Page/, last_response.body, "'Delete this Page' link not blocked in page template"
-    assert_no_match /New/,              last_response.body, "'New' button not blocked in page template"
-    assert_no_match /Upload\b/,         last_response.body, "'Upload' link not blocked in page template"
-    assert_no_match /Rename/,           last_response.body, "'Rename' link not blocked in page template"
-    assert_no_match /Edit/,             last_response.body, "'Edit' link not blocked in page template"
+    refute last_response.body.include? "Delete this Page"
+    refute last_response.body.include? "<span>Upload</span>"
+    refute last_response.body.include? "Rename"
+    refute last_response.body.include? "Edit"
+    refute last_response.body.include? "New"
 
     get '/gollum/overview'
 
-    assert_no_match /New/, last_response.body, "'New' link not blocked in pages template"
+    refute last_response.body.include? "New"
 
     get '/gollum/history/A'
 
-    assert_no_match /Edit/, last_response.body, "'Edit' link not blocked in history template"
+    refute last_response.body.include? "Edit"
 
-    get '/gollum/compare/A/fc66539528eb96f21b2bbdbf557788fe8a1196ac..b26b791cb7917c4f37dd9cb4d1e0efb24ac4d26f'
+    get '/gollum/compare/A/fc665395..b26b791c'
 
-    assert_no_match /Edit Page/,             last_response.body, "'Edit Page' link not blocked in compare template"
-    assert_no_match /Revert Changes/,        last_response.body, "'Revert Changes' link not blocked in compare template"
+    refute last_response.body.include? "Edit Page"
+    refute last_response.body.include? "Revert Changes"
   end
 
   def app

test/test_app.rb

@@ -104,7 +104,7 @@ EOF
     page_2 = @wiki.page(page_1.name)
     assert_equal 'abc', page_2.raw_data
     assert_equal 'def', page_2.version.message
-    assert_not_equal page_1.version.sha, page_2.version.sha
+    refute_equal page_1.version.sha, page_2.version.sha
   end
 
   test "edit page fails when page is outdated (edit collision)" do
@@ -117,7 +117,7 @@ EOF
     @wiki.clear_cache
     page = @wiki.page('A')
     new_sha = page.sha
-    assert_not_equal old_sha, new_sha
+    refute_equal old_sha, new_sha
 
     post "/gollum/edit/A", :content => 'def', :page => 'A',
          :format => page.format, :message => 'def', :etag => old_sha
@@ -134,7 +134,7 @@ EOF
     page_2 = @wiki.page(page_1.name)
     assert_equal 'abc', page_2.raw_data
     assert_equal '[no message]', page_2.version.message
-    assert_not_equal page_1.version.sha, page_2.version.sha
+    refute_equal page_1.version.sha, page_2.version.sha
   end
 
   test "edit page with slash" do
@@ -165,12 +165,12 @@ EOF
     assert_equal 'header', header_2.raw_data
     assert_equal 'footer', foot_2.raw_data
     assert_equal 'def', foot_2.version.message
-    assert_not_equal foot_1.version.sha, foot_2.version.sha
-    assert_not_equal header_1.version.sha, header_2.version.sha
+    refute_equal foot_1.version.sha, foot_2.version.sha
+    refute_equal header_1.version.sha, header_2.version.sha
 
     assert_equal 'sidebar', side_2.raw_data
     assert_equal 'def', side_2.version.message
-    assert_not_equal side_1.version.sha, side_2.version.sha
+    refute_equal side_1.version.sha, side_2.version.sha
     assert_equal commits, @wiki.repo.commits('master').size
   end
 
@@ -187,7 +187,7 @@ EOF
     page_2 = @wiki.page('C')
     assert_equal "INITIAL\n\nSPAM2\n", page_2.raw_data
     assert_equal 'def', page_2.last_version.message
-    assert_not_equal page_1.version.sha, page_2.version.sha
+    refute_equal page_1.version.sha, page_2.version.sha
   end
 
   test "rename preserves format" do
@@ -222,7 +222,7 @@ EOF
 
   test "renames page in subdirectory" do
     page_1 = @wiki.page("G/H")
-    assert_not_equal page_1, nil
+    refute_equal page_1, nil
     post "/gollum/rename/G/H", :rename => "/I/C", :message => 'def'
 
     follow_redirect!
@@ -234,12 +234,12 @@ EOF
     page_2 = @wiki.page('I/C')
     assert_equal "INITIAL\n\nSPAM2\n", page_2.raw_data
     assert_equal 'def', page_2.last_version.message
-    assert_not_equal page_1.version.sha, page_2.version.sha
+    refute_equal page_1.version.sha, page_2.version.sha
   end
 
   test "renames page relative in subdirectory" do
     page_1 = @wiki.page("G/H")
-    assert_not_equal page_1, nil
+    refute_equal page_1, nil
     post "/gollum/rename/G/H", :rename => "K/C", :message => 'def'
 
     follow_redirect!
@@ -251,7 +251,7 @@ EOF
     page_2 = @wiki.page('G/K/C')
     assert_equal "INITIAL\n\nSPAM2\n", page_2.raw_data
     assert_equal 'def', page_2.last_version.message
-    assert_not_equal page_1.version.sha, page_2.version.sha
+    refute_equal page_1.version.sha, page_2.version.sha
   end
 
   test "creates page" do
@@ -320,7 +320,7 @@ EOF
     name = "#{dir}/bar"
     get "/gollum/create/#{name}"
     assert_match(/\/#{dir}/, last_response.body)
-    assert_no_match(/[^\/]#{dir}/, last_response.body)
+    refute_match(/[^\/]#{dir}/, last_response.body)
   end
 
   test "create with template succeed if template exists" do
@@ -344,6 +344,45 @@ EOF
     Precious::App.set(:wiki_options, { :template_page => false })
   end
 
+  test "create with template filter without parameter" do
+    Precious::App.set(:wiki_options, { :template_page => true })
+
+    # arrange
+    now = Time.parse('2022-04-16')
+    Gollum::TemplateFilter.add_filter("{{today}}", & -> () { now.strftime("%Y-%m-%d") })
+    template_content = "# Daily Log, {{today}}"
+
+    @wiki.write_page("daily-logs/_Template",
+                     :markdown,
+                     template_content)
+    # act
+    get "/gollum/create/daily-logs/test"
+    # assert
+    assert last_response.ok?
+    assert_match("# Daily Log, 2022-04-16", last_response.body)
+
+    Precious::App.set(:wiki_options, { :template_page => false })
+  end
+
+  test "create with template filter with parameter" do
+    Precious::App.set(:wiki_options, { :template_page => true })
+
+    # arrange
+    Gollum::TemplateFilter.add_filter("{{page_name}}", & -> (page) { page.name })
+    template_content = "# Daily Log, {{page_name}}"
+
+    @wiki.write_page("daily-logs/_Template",
+                     :markdown,
+                     template_content)
+    # act
+    get "/gollum/create/daily-logs/2022-04-16"
+    # assert
+    assert last_response.ok?
+    assert_match("# Daily Log, 2022-04-16", last_response.body)
+
+    Precious::App.set(:wiki_options, { :template_page => false })
+  end
+
   test "edit returns nil for non-existant page" do
     # post '/edit' fails. post '/edit/' works.
     page = 'not-real-page'
@@ -351,7 +390,7 @@ EOF
     post '/gollum/edit/', :content => 'edit_msg',
          :page              => page, :path => path, :message => ''
     page_e = @wiki.page(::File.join(path,page))
-    assert_equal nil, page_e
+    assert_nil page_e
   end
 
   test "edit allows changing format" do
@@ -407,13 +446,21 @@ EOF
 
     @wiki.clear_cache
     page = @wiki.page(name)
-    assert_not_equal 'abc', page.raw_data
+    refute_equal 'abc', page.raw_data
   end
 
   test "uploading is not allowed unless explicitly enabled" do
     temp_upload_file = Tempfile.new(['upload', '.file']) << 'abc'
     temp_upload_file.close
-    post "/gollum/upload_file", :file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))
+
+    Precious::App.set(
+      :wiki_options,
+      {allow_uploads: false, per_page_uploads: false}
+    )
+
+    post '/gollum/upload_file',
+      file: Rack::Test::UploadedFile.new(File.open(temp_upload_file))
+
     assert_equal 405, last_response.status
   end
 
@@ -483,7 +530,7 @@ EOF
 
     @wiki.clear_cache
     page = @wiki.page(name)
-    assert_equal nil, page
+    assert_nil page
   end
 
   test "previews content" do
@@ -507,7 +554,7 @@ EOF
 
     @wiki.clear_cache
     page2 = @wiki.page('B')
-    assert_not_equal page1.version.sha, page2.version.sha
+    refute_equal page1.version.sha, page2.version.sha
     assert_equal "INITIAL", page2.raw_data.strip
     assert_equal "Revert commit 7c45b5f", page2.version.message
   end
@@ -521,7 +568,7 @@ EOF
 
     @wiki.clear_cache
     page2 = @wiki.page('A')
-    assert_not_equal page1.version.sha, page2.version.sha
+    refute_equal page1.version.sha, page2.version.sha
     assert_equal "INITIAL", page2.raw_data.strip
   end
 
@@ -583,7 +630,7 @@ EOF
                      { :name => 'user1', :email => 'user1' });
 
     get page
-    assert_no_match /custom.js/, last_response.body
+    refute_match /custom.js/, last_response.body
   end
 
   test "add custom.js if setting" do
@@ -652,7 +699,7 @@ EOF
     get "A"
 
     assert last_response.ok?
-    assert_no_match /meta name="robots" content="noindex, nofollow"/, last_response.body
+    refute_match /meta name="robots" content="noindex, nofollow"/, last_response.body
 
     get "A/fc66539528eb96f21b2bbdbf557788fe8a1196ac"
 
@@ -834,7 +881,7 @@ context "Frontend with lotr" do
 
     get "Data.csv/#{old_sha}"
     assert last_response.ok?
-    assert_no_match /Samwise,Gamgee/, last_response.body
+    refute_match /Samwise,Gamgee/, last_response.body
 
     get "Data.csv/#{update_sha}"
     assert last_response.ok?
@@ -879,7 +926,7 @@ context "Frontend with page-file-dir" do
     name = "#{dir}/baz"
     get "/gollum/create/#{name}"
     assert_match(/\/#{dir}/, last_response.body)
-    assert_no_match(/[^\/]#{dir}/, last_response.body)
+    refute_match(/[^\/]#{dir}/, last_response.body)
   end
 
   test "use custom.css from page-file-dir path if page-file-dir is set" do

test/test_migrate.rb

@@ -1,28 +1,6 @@
 # ~*~ encoding: utf-8 ~*~
 require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
-# Original contents of Subdir/Foo.md:
-# waa
-# [[Samwi]]
-# [[samwise gamgee.mediaWiki]]
-# [[Samwise Gamgee.mediawiki]]
-# [[Samwise Gamgee]]
-# [[Test|Samwise Gamgee#Anchor]]
-# [[Waaa|Test]]
-# [[Zaa]]
-
-# Contents of Subdir/Foo.md after successful tag migration
-result = <<EOF
-waa
-[[Samwi]]
-[[/Samwise Gamgee.mediawiki]]
-[[/Samwise Gamgee.mediawiki]]
-[[/Samwise Gamgee.md]]
-[[Test|/Samwise Gamgee.md#Anchor]]
-[[Waaa|/Bar/Test.md]]
-[[Subsub/Zaa.md]]
-EOF
-
 def load_script(**args)
   settings = {
     :run_silent => true,
@@ -32,9 +10,12 @@ def load_script(**args)
     :page_file_dir => nil,
   }.merge(args)
 
-  settings.each do |const, val|
-    const_name = const.to_s.upcase
-    Object.const_set(const_name, val) unless Object.const_defined?(const_name) && Object.const_get(const_name) == val
+  settings.each do |setting, val|
+    variable_name = :"@@#{setting.to_s}"
+
+    unless Object.class_variable_defined?(variable_name) && Object.class_variable_get(variable_name) == val
+      Object.class_variable_set(variable_name, val)
+    end
   end
 
   script_path = File.expand_path(File.join(File.dirname(__FILE__), '../', 'bin', 'gollum-migrate-tags'))
@@ -44,8 +25,6 @@ def load_script(**args)
   end
 end
 
-unless ENV['CI']
-
 context '4.x -> 5.x tag migrator' do
   include Rack::Test::Methods
 
@@ -54,10 +33,31 @@ unless ENV['CI']
   end
 
   test 'repair broken links' do
+    # The original contents of Subdir/Foo.md:
+    #
+    # waa
+    # [[Samwi]]
+    # [[samwise gamgee.mediaWiki]]
+    # [[Samwise Gamgee.mediawiki]]
+    # [[Samwise Gamgee]]
+    # [[Test|Samwise Gamgee#Anchor]]
+    # [[Waaa|Test]]
+    # [[Zaa]]
+    #
+    # The contents will be updated after running the migration script.
     load_script
 
-      f = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
-      assert_equal result, f.read
+    file = ::File.new(::File.join(@path, 'Subdir/Foo.md'), 'r')
+    assert_equal <<~FILE_CONTENTS, file.read
+      waa
+      [[Samwi]]
+      [[/Samwise Gamgee.mediawiki]]
+      [[/Samwise Gamgee.mediawiki]]
+      [[/Samwise Gamgee.md]]
+      [[Test|/Samwise Gamgee.md#Anchor]]
+      [[Waaa|/Bar/Test.md]]
+      [[Subsub/Zaa.md]]
+    FILE_CONTENTS
   end
 
   test 'change spaced filenames to hyphenated filenames' do
@@ -82,5 +82,3 @@ unless ENV['CI']
     FileUtils.rm_rf(@path)
   end
 end
-
-end

test/test_page_view.rb

@@ -35,7 +35,7 @@ context "Precious::Views::Page" do
     @view.instance_variable_set :@content, page.formatted_data
     @view.instance_variable_set :@h1_title, false
 
-    assert_include @view.breadcrumb, "数学 📘"
+    assert_includes @view.breadcrumb, "数学 📘"
   end
 
   test 'page <title> is the page header from content, if present' do

test/test_template_cascade.rb

@@ -1,43 +1,59 @@
 # ~*~ encoding: utf-8 ~*~
 require File.expand_path(File.join(File.dirname(__FILE__), 'helper'))
 
-class TestTemplateCascade < Minitest::Unit::TestCase
+context "Precious::Views::TemplateCascade" do
   include Rack::Test::Methods
 
-  def setup
+  setup do
     @path = cloned_testpath('examples/lotr.git')
     Precious::App.set(:gollum_path, @path)
-    Precious::App.set(:wiki_options, {template_dir: testpath('examples/template_cascade')})
+    Precious::App.set(
+      :wiki_options,
+      {template_dir: testpath('examples/template_cascade')}
+    )
     @wiki = Gollum::Wiki.new(@path)
   end
 
-  def teardown
+  teardown do
     FileUtils.rm_rf(@path)
+
+    Precious::App.set(:wiki_options, {template_dir: nil})
+
+    # The following line has been added to avoid order-dependent test failures.
+    # We saw issues where the class variable `@@template_priority_path` was not
+    # being reset between test cases.
+    Precious::Views::TemplateCascade.class_variable_set(
+      :@@template_priority_path,
+      nil
+    )
   end
 
   def app
-    Precious::App
+    Precious::App.new
   end
 
-  def test_overridden_page_template_is_used
+  test "overridden_page_template_is_used" do
     get '/Home'
 
     assert last_response.body.include?('PAGE_OVERRIDE')
   end
 
-  def test_overridden_navbar_partial_is_used
+  test "test_overridden_navbar_partial_is_used" do
     get '/Home'
 
     assert last_response.body.include?('NAVBAR_OVERRIDE')
   end
 
-  def test_overridden_templates_are_ignore_without_template_dir_set
+  test "test_overridden_templates_are_ignore_without_template_dir_set" do
     Precious::App.set(:wiki_options, {template_dir: nil})
 
     get '/Home'
+
     assert_equal '/Home', last_request.fullpath
+
     assert last_response.ok?
-    assert_no_match /PAGE_OVERRIDE/, last_response.body
-    assert_no_match /NAVBAR_OVERRIDE/, last_response.body
+
+    refute_match /PAGE_OVERRIDE/, last_response.body
+    refute_match /NAVBAR_OVERRIDE/, last_response.body
   end
 end