gollum/test/test_app.rb

# ~*~ encoding: utf-8 ~*~
require File.expand_path(File.join(File.dirname(__FILE__), "helper"))

context "Frontend" do
  include Rack::Test::Methods

  setup do
    @path = cloned_testpath("examples/revert.git")
    @wiki = Gollum::Wiki.new(@path)
    Precious::App.set(:gollum_path, @path)
    Precious::App.set(:wiki_options, {allow_editing: true})
  end

  teardown do
    FileUtils.rm_rf(@path)
  end

  test "utf-8 kcode" do
    assert_equal 'μ†ℱ'.scan(/./), ["μ", "†", "ℱ"]
  end

  test "broken four space" do
    page = 'utfh1'
    text = %(
    one
    two
    three
    four
)

    @wiki.write_page(page, :markdown, text,
                     { :name => 'user1', :email => 'user1' });

    get page
    # good html:
    # <pre><code>one\ntwo\nthree\nfour\n</code></pre>\n
    # broken html:
    # <pre>\n  <code>one\ntwo\nthree\nfour\n</code>\n</pre>
    assert_match /<pre><code>one\ntwo\nthree\nfour\n<\/code><\/pre>\n/m, last_response.body
  end

  test 'mathjax assets are served' do
    get '/gollum/assets/mathjax/MathJax.js'
    assert last_response.ok?
  end

  test "UTF-8 headers href preserved" do
    page_content = <<~TEXT
      ## 한글

      Test page "utfh1" content.
    TEXT

    @wiki.write_page('utfh1',
                     :markdown,
                     page_content,
                     {name: 'user1', email: 'user1'})

    get 'utfh1'
    expected = "<h2 class=\"editable\"><a class=\"anchor\" (href|id)=\"(#)?한글\" (href|id)=\"(#)?한글\"></a>한글</h2>"

    assert_match /#{expected}/, last_response.body
  end

  test 'rss feed' do
    channel_title = <<EOF
<title>Gollum Wiki Latest Changes</title>
EOF
    item = <<EOF
<description>Commited by: &lt;a href=&quot;mailto:dawa.ometto@phil.uu.nl&quot;&gt;Dawa Ometto&lt;/a&gt;&lt;br/&gt;Commit ID: 02796b1&lt;br/&gt;&lt;br/&gt;Affected files:&lt;ul&gt;&lt;li&gt;&lt;a href=&quot;http://example.org/custom.css/02796b1450691f90db5d6dc6a816a4980ce80d07&quot;&gt;custom.css&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;http://example.org/custom.js/02796b1450691f90db5d6dc6a816a4980ce80d07&quot;&gt;custom.js&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;</description>
EOF
    get '/gollum/feed/'
    assert last_response.ok?
    assert_equal 'application/rss+xml', last_response.headers['Content-Type']
    assert last_response.body.start_with?('<?xml')
    assert last_response.body.include?(item)
    assert last_response.body.include?(channel_title)
  end

  test "show sidebar, header, footer when present" do
    divs = [@wiki.page("_Header").formatted_data, @wiki.page("_Footer").formatted_data, @wiki.page("_Sidebar").formatted_data]
    @wiki.write_page("HeaderTest", :markdown, "Test", commit_details)
    get "/HeaderTest"
    divs.each {|div| assert_match div, last_response.body}
  end

  test "provide last edit information" do
    page1 = 'page1'
    user1 = 'user1'
    @wiki.write_page(page1, :markdown, '',
                     { :name => user1, :email => user1 });

    get "/gollum/last_commit_info", :path => page1
    assert_match /\"author\":\"user1\"/, last_response.body
  end

  test "edits page" do
    page_1 = @wiki.page('A')
    post "/gollum/edit/A", :content => 'abc', :page => 'A',
         :format => page_1.format, :message => 'def', :etag => page_1.sha
    assert last_response.ok?

    @wiki.clear_cache
    page_2 = @wiki.page(page_1.name)
    assert_equal 'abc', page_2.raw_data
    assert_equal 'def', page_2.version.message
    refute_equal page_1.version.sha, page_2.version.sha
  end

  test "edit page fails when page is outdated (edit collision)" do
    page = @wiki.page('A')
    old_sha = page.sha
    post "/gollum/edit/A", :content => 'abc', :page => 'A',
         :format => page.format, :message => 'def', :etag => old_sha
    assert last_response.ok?

    @wiki.clear_cache
    page = @wiki.page('A')
    new_sha = page.sha
    refute_equal old_sha, new_sha

    post "/gollum/edit/A", :content => 'def', :page => 'A',
         :format => page.format, :message => 'def', :etag => old_sha
    assert_equal last_response.status, 412
  end

  test "edit page with empty message" do
    page_1 = @wiki.page('A')
    post "/gollum/edit/A", :content => 'abc', :page => 'A',
         :format => page_1.format, :etag => page_1.sha
    assert last_response.ok?

    @wiki.clear_cache
    page_2 = @wiki.page(page_1.name)
    assert_equal 'abc', page_2.raw_data
    assert_equal '[no message]', page_2.version.message
    refute_equal page_1.version.sha, page_2.version.sha
  end

  test "edit page with slash" do
    page_1 = @wiki.page('A')
    post "/gollum/edit/A", :content => 'abc', :page => 'A', :path => '/////',
         :format => page_1.format, :message => 'def', :etag => page_1.sha
    assert last_response.ok?
  end

  test "edits page header footer and sidebar" do
    commits  = @wiki.repo.commits('master').size
    page_1   = @wiki.page('A')
    header_1 = page_1.header
    foot_1   = page_1.footer
    side_1   = page_1.sidebar

    post "/gollum/edit/A", :header => 'header',
         :footer => 'footer', :page => "A", :sidebar => 'sidebar', :message => 'def', :etag => page_1.sha
    assert last_response.ok?

    @wiki.clear_cache
    page_2   = @wiki.page(page_1.name)
    header_2 = page_2.header
    foot_2   = page_2.footer
    side_2   = page_2.sidebar
    assert_equal page_1.raw_data, page_2.raw_data

    assert_equal 'header', header_2.raw_data
    assert_equal 'footer', foot_2.raw_data
    assert_equal 'def', foot_2.version.message
    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
    refute_equal side_1.version.sha, side_2.version.sha
    assert_equal commits, @wiki.repo.commits('master').size
  end

  test "renames page" do
    page_1 = @wiki.page("B")
    post "/gollum/rename/B", :rename => "/C", :message => 'def'

    follow_redirect!
    assert_equal '/C.md', last_request.fullpath
    assert last_response.ok?

    @wiki.clear_cache
    assert_nil @wiki.page("B")
    page_2 = @wiki.page('C')
    assert_equal "INITIAL\n\nSPAM2\n", page_2.raw_data
    assert_equal 'def', page_2.last_version.message
    refute_equal page_1.version.sha, page_2.version.sha
  end

  test "rename preserves format" do
    page_1 = @wiki.page("B")
    post "/gollum/rename/B", :rename => "/C.rst", :message => 'def'

    follow_redirect!
    assert_equal '/C.rst.md', last_request.fullpath
    assert last_response.ok?
  end

  test "renames page catches invalid page" do
    # No such page
    post "/gollum/rename/no-such-file-here", :rename => "/C", :message => 'def'
    assert !last_response.ok?
    assert_equal last_response.status, 500
  end

  test "rename page catches empty target" do
    # Empty rename target
    post "/gollum/rename/B", :rename => "", :message => 'def'
    assert !last_response.ok?
    assert_equal last_response.status, 500
  end

  test "rename page catches non-existent target" do
    # Non-existent rename target
    post "/gollum/rename/B", :message => 'def'
    assert !last_response.ok?
    assert_equal last_response.status, 500
  end

  test "renames page in subdirectory" do
    page_1 = @wiki.page("G/H")
    refute_equal page_1, nil
    post "/gollum/rename/G/H", :rename => "/I/C", :message => 'def'

    follow_redirect!
    assert_equal '/I/C.md', last_request.fullpath
    assert last_response.ok?

    @wiki.clear_cache
    assert_nil @wiki.page("G/H")
    page_2 = @wiki.page('I/C')
    assert_equal "INITIAL\n\nSPAM2\n", page_2.raw_data
    assert_equal 'def', page_2.last_version.message
    refute_equal page_1.version.sha, page_2.version.sha
  end

  test "renames page relative in subdirectory" do
    page_1 = @wiki.page("G/H")
    refute_equal page_1, nil
    post "/gollum/rename/G/H", :rename => "K/C", :message => 'def'

    follow_redirect!
    assert_equal '/G/K/C.md', last_request.fullpath
    assert last_response.ok?

    @wiki.clear_cache
    assert_nil @wiki.page("G/H")
    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
    refute_equal page_1.version.sha, page_2.version.sha
  end

  test "creates page" do
    post "/gollum/create", :content => 'abc', :page => "D",
         :format             => 'markdown', :message => 'def'
    follow_redirect!
    assert last_response.ok?

    page = @wiki.page('D')
    assert_equal 'abc', page.raw_data
    assert_equal 'def', page.version.message
  end

  test "creates pages with escaped characters in title" do
    post "/gollum/create", :content => 'abc', :page => 'Title with spaces',
         :format             => 'markdown', :message => 'foo'
    assert_equal 'http://example.org/Title%20with%20spaces.md', last_response.headers['Location']
    get "/Title%20with%20spaces"
    assert_match /abc/, last_response.body
  end

  test "redirects to create on non-existant page" do
    name = "E"
    get "/#{name}"
    follow_redirect!
    assert_equal "/gollum/create/#{name}", last_request.fullpath
    assert last_response.ok?
  end

  test "accessing non-existant directory redirects to create index page" do
    get "/foo/"

    follow_redirect!
    assert_equal "/gollum/create/foo/Home", last_request.fullpath
    assert last_response.ok?
  end

  test "accessing redirectory redirects to index page" do
    post "/gollum/create", :content => 'abc', :page => 'Home', :path => '/foo/',
         :format             => 'markdown', :message => 'foo'

    assert_equal "http://example.org/foo/Home.md", last_response.headers['Location']

    follow_redirect!
    assert last_response.ok?
  end

  test "edit redirects to create on non-existant page" do
    name = "E"
    get "/gollum/edit/#{name}"
    follow_redirect!
    assert_equal "/gollum/create/#{name}", last_request.fullpath
    assert last_response.ok?
  end

  test "create redirects to page if already exists" do
    name = "A.md"
    get "/gollum/create/#{name}"
    follow_redirect!
    assert_equal "/#{name}", last_request.fullpath
    assert last_response.ok?
  end

  test "create sets the correct path for a relative path subdirectory" do
    dir  = "foodir"
    name = "#{dir}/bar"
    get "/gollum/create/#{name}"
    assert_match(/\/#{dir}/, last_response.body)
    refute_match(/[^\/]#{dir}/, last_response.body)
  end

  test "create with template succeed if template exists" do
    Precious::App.set(:wiki_options, { :template_page => true })
    page='_Template'
    post '/gollum/create', :content => 'fake template with some Utf-8: Ü', :page => page,
      :path               => '/', :format => 'markdown', :message => ''
    follow_redirect!
    assert last_response.ok?
    @wiki.clear_cache
    get "/gollum/create/TT"
    assert last_response.ok?
    post '/gollum/delete/_Template'
    Precious::App.set(:wiki_options, { :template_page => false })
  end

  test "create with template succeed if template doesn't exist" do
    Precious::App.set(:wiki_options, { :template_page => true })
    get "/gollum/create/TT"
    assert last_response.ok?
    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'
    path = '/'
    post '/gollum/edit/', :content => 'edit_msg',
         :page              => page, :path => path, :message => ''
    page_e = @wiki.page(::File.join(path,page))
    assert_nil page_e
  end

  test "edit allows changing format" do
    post '/gollum/create', :content => 'create_msg', :page => 'gandalf',
          :path => '/', :format => 'markdown', :message => ''
    page = @wiki.page('gandalf.md')
    assert page

    @wiki.clear_cache

    post '/gollum/edit/', :content => 'new content', :format => 'txt', :page => 'gandalf', :path => '/', :message => '', :etag => page.sha
    assert last_response.ok?
    assert_nil @wiki.page('gandalf.md')
    assert @wiki.page('gandalf.txt')
  end

  test "page create and edit with dash & page rev" do
    page = 'c-d-e'
    path = 'a/b/' # path must end with /

    post '/gollum/create', :content => 'create_msg', :page => page,
         :path               => path, :format => 'markdown', :message => ''
    page_c = @wiki.page(File.join(path, page))
    assert_equal 'create_msg', page_c.raw_data

    # must clear or create_msg will be returned
    @wiki.clear_cache

    # post '/edit' fails. post '/edit/' works.
    post '/gollum/edit/', :content => 'edit_msg',
         :page              => page, :path => path, :message => '', :etag => page_c.sha
    page_e = @wiki.page(File.join(path, page))
    assert_equal 'edit_msg', page_e.raw_data

    @wiki.clear_cache

    # test `get %r{/(.+?)/([0-9a-f]{40})} do` in app.rb
    get '/' + page_c.escaped_url_path + '/' + page_c.version.to_s
    assert last_response.ok?
    assert_match /create_msg/, last_response.body

    get '/' + page_e.escaped_url_path + '/' + page_e.version.to_s
    assert last_response.ok?
    assert_match /edit_msg/, last_response.body
  end

  test "guards against creation of existing page" do
    name = "A"
    post "/gollum/create", :content => 'abc', :page => name,
         :format             => 'markdown', :message => 'def'

    assert last_response.ok?

    @wiki.clear_cache
    page = @wiki.page(name)
    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

    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

  test "upload a file with mode dir" do
    temp_upload_file = Tempfile.new(['upload', '.file']) << 'abc'
    temp_upload_file.close
    Precious::App.set(:wiki_options, {allow_uploads: true})

    post "/gollum/upload_file", :file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))

    assert_equal 302, last_response.status # redirect is expected
    @wiki.clear_cache
    file = @wiki.file("uploads/#{::File.basename(temp_upload_file.path)}")
    assert_equal 'abc', file.raw_data
    Precious::App.set(:wiki_options, {allow_uploads: false})
  end

  test "upload a file with mode page" do
    temp_upload_file = Tempfile.new(['upload', '.file']) << 'abc'
    temp_upload_file.close
    Precious::App.set(:wiki_options, {allow_uploads: true, per_page_uploads: true})
    post "/gollum/upload_file", {:file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))}, {'HTTP_REFERER' => 'http://localhost:4567/Home.md', 'HTTP_HOST' => 'localhost:4567'}

    assert_equal 302, last_response.status # redirect is expected
    @wiki.clear_cache
    # Find the file in a page-specific subdir (here: Home), based on referer
    file = @wiki.file("uploads/Home/#{::File.basename(temp_upload_file.path)}")
    assert_equal 'abc', file.raw_data
    Precious::App.set(:wiki_options, {allow_uploads: false, per_page_uploads: false})
  end

  test "upload a file with https referer" do
    temp_upload_file = Tempfile.new(['https_upload', '.file']) << 'abc'
    temp_upload_file.close
    Precious::App.set(:wiki_options, {allow_uploads: true, per_page_uploads: true})
    post "/gollum/upload_file", {:file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))}, {'HTTP_REFERER' => 'https://localhost:4567/Home.md', 'HTTP_HOST' => 'localhost:4567'}

    assert_equal 302, last_response.status # redirect is expected
    @wiki.clear_cache
    # Find the file in a page-specific subdir (here: Home), based on referer
    file = @wiki.file("uploads/Home/#{::File.basename(temp_upload_file.path)}")
    assert_equal 'abc', file.raw_data
    Precious::App.set(:wiki_options, {allow_uploads: false, per_page_uploads: false})
  end


  test "guard against uploading an existing file" do
    temp_upload_file = Tempfile.new(['upload', '.file']) << 'abc'
    temp_upload_file.close
    Precious::App.set(:wiki_options, {allow_uploads: true})
    post "/gollum/upload_file", :file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))
    assert_equal 302, last_response.status
    # Post the same file a second time; should result in conflict
    post "/gollum/upload_file", :file => Rack::Test::UploadedFile.new(::File.open(temp_upload_file))
    assert_equal 409, last_response.status
    Precious::App.set(:wiki_options, {allow_uploads: false})
  end

  test "delete a page" do
    name = "deleteme"
    post "/gollum/create", :content => 'abc', :page => name,
         :format             => 'markdown', :message => 'foo'
    page = @wiki.page(name)
    assert_equal 'abc', page.raw_data

    post "/gollum/delete/#{page.filename}"

    @wiki.clear_cache
    page = @wiki.page(name)
    assert_nil page
  end

  test "previews content" do
    post "/gollum/preview", :content => 'abc', :format => 'markdown', :page => 'Samewise Gamgee.mediawiki'
    assert last_response.ok?
    assert last_response.body.include?('Samewise Gamgee')
  end

  test 'throws an error when comparing two identical revisions for a page' do
    get '/gollum/compare/A.md/fc66539528eb96f21b2bbdbf557788fe8a1196ac...fc66539528eb96f21b2bbdbf557788fe8a1196ac'
    assert last_response.ok?
    assert last_response.body.include?('Could not compare these two revisions, no differences were found.')
  end

  test "reverts single commit" do
    page1 = @wiki.page('B')

    post "/gollum/revert/B.md/fc66539528eb96f21b2bbdbf557788fe8a1196ac/7c45b5f16ff3bae2a0063191ef832701214d4df5"
    follow_redirect!
    assert last_response.ok?

    @wiki.clear_cache
    page2 = @wiki.page('B')
    refute_equal page1.version.sha, page2.version.sha
    assert_equal "INITIAL", page2.raw_data.strip
    assert_equal "Revert commit 7c45b5f", page2.version.message
  end

  test "reverts multiple commits" do
    page1 = @wiki.page('A')

    post "/gollum/revert/A.md/fc66539528eb96f21b2bbdbf557788fe8a1196ac/b26b791cb7917c4f37dd9cb4d1e0efb24ac4d26f"
    follow_redirect!
    assert last_response.ok?

    @wiki.clear_cache
    page2 = @wiki.page('A')
    refute_equal page1.version.sha, page2.version.sha
    assert_equal "INITIAL", page2.raw_data.strip
  end

  test "cannot revert conflicting commit" do
    page1 = @wiki.page('A')

    post "/gollum/revert/A.md/fc66539528eb96f21b2bbdbf557788fe8a1196ac/302a5491a9a5ba12c7652ac831a44961afa312d2"
    assert last_response.ok?

    @wiki.clear_cache
    page2 = @wiki.page('A')
    assert_equal page1.version.sha, page2.version.sha
  end

=begin
  # redirects are now handled by class MapGollum in bin/gollum
  # they should be set in config.ru

  test "redirects from 'base_path' or 'base_path/' to 'base_path/Home'" do
    Precious::App.set(:wiki_options, {})
    get "/"
    assert_match "http://example.org/Home", last_response.headers['Location']

    Precious::App.set(:wiki_options, { :base_path => '/wiki' })
    get "/"
    assert_match "http://example.org/wiki/Home", last_response.headers['Location']

    Precious::App.set(:wiki_options, { :base_path => '/wiki/' })
    get "/"
    assert_match "http://example.org/wiki/Home", last_response.headers['Location']

    # Reset base path
    Precious::App.set(:wiki_options, { :base_path => nil })
  end
=end

  test "author details in session are used" do
    page1 = @wiki.page('A')

    gollum_author = { :name => 'ghi', :email => 'jkl' }
    session       = { 'gollum.author' => gollum_author }

    post "/gollum/edit/A", { :content => 'abc', :page => 'A', :format => page1.format, :message => 'def', :etag => page1.sha }, { 'rack.session' => session }
    assert last_response.ok?

    @wiki.clear_cache
    page2 = @wiki.page(page1.name)

    author = page2.version.author
    assert_equal 'ghi', author.name
    assert_equal 'jkl', author.email
  end

  test "do not add custom.js by default" do
    page = 'nocustom'
    text = 'nope none'

    @wiki.write_page(page, :markdown, text,
                     { :name => 'user1', :email => 'user1' });

    get page
    refute_match /custom.js/, last_response.body
  end

  test "add custom.js if setting" do
    Precious::App.set(:wiki_options, { :js => true })
    page = 'yaycustom'
    text = 'customized!'

    @wiki.write_page(page, :markdown, text,
                     { :name => 'user1', :email => 'user1' });

    get page
    assert_match /"\/custom.js"/, last_response.body
    Precious::App.set(:wiki_options, { :js => nil })
  end

  test "don't allow changing custom js or css" do
    Precious::App.set(:wiki_options, { :js => true, :css => true })

    ['create', 'edit'].each do |route|
      ['.css', '.js'].each do |ext|
        get "/gollum/#{route}/custom#{ext}"
        assert_equal 403, last_response.status, "get /gollum/#{route}/custom#{ext} -- #{last_response.inspect}"
      end
      get "/gollum/#{route}/mathjax.config.js"
      assert_equal 403, last_response.status, "get /gollum/#{route}/mathjax.config.js -- #{last_response.inspect}"
    end

    ['delete', 'rename', 'edit', 'create'].each do |route|
      ['.css', '.js'].each do |ext|
        post "/gollum/#{route}/custom#{ext}"
        assert_equal 403, last_response.status, "post /gollum/#{route}/custom#{ext} -- #{last_response.inspect}"
      end
      post "/gollum/#{route}/mathjax.config.js"
      assert_equal 403, last_response.status, "post /gollum/#{route}/mathjax.config.js -- #{last_response.inspect}"
    end

    ['.css', '.js'].each do |ext|
      post "/gollum/revert/custom#{ext}/02796b1450691f90db5d6dc6a816a4980ce80d07/2f6485c2702c7c8b9b6613672337ffa7d933ddcf"
      assert_equal 403, last_response.status, "post /gollum/revert/custom#{ext} -- #{last_response.inspect}"
    end

    Precious::App.set(:wiki_options, { :js => nil })
  end

  test "show edit page with header and footer and sidebar of multibyte" do
    post "/gollum/create",
         :content => 'りんご',
         :page    => 'Multibyte', :format => :markdown, :message => 'mesg'

    page = @wiki.page('Multibyte')

    post "/gollum/edit/Multibyte",
         :content => 'りんご', :header => 'みかん', :footer => 'バナナ', :sidebar => 'スイカ',
         :page    => 'Multibyte', :format => :markdown, :message => 'mesg', :etag => page.sha

    get "/gollum/edit/Multibyte"

    assert last_response.ok?
    assert_match /りんご/, last_response.body
    assert_match /みかん/, last_response.body
    assert_match /バナナ/, last_response.body
    assert_match /スイカ/, last_response.body
  end

  test "add noindex tags to history pages" do
    get "A"

    assert last_response.ok?
    refute_match /meta name="robots" content="noindex, nofollow"/, last_response.body

    get "A/fc66539528eb96f21b2bbdbf557788fe8a1196ac"

    assert last_response.ok?
    assert_match /meta name="robots" content="noindex, nofollow"/, last_response.body
  end

  test 'history/NO-EXIST redirects to Home' do
    get '/gollum/history/NO-EXIST'
    follow_redirect!
    assert_equal last_request.fullpath, '/'
    # redirect again from / to /Home
    assert_equal last_response.status, 302
  end

  test "view deleted page in history" do
    get 'C/db8b297cf5a31b46ac24500edfdbd0d3d8eed4eb'

    assert last_response.ok?
    assert_match /This page will be deleted in the next commit :\(/, last_response.body
  end

  def app
    Precious::App
  end
end

context "Frontend with lotr" do
  include Rack::Test::Methods

  setup do
    @path = cloned_testpath("examples/lotr.git")
    @wiki = Gollum::Wiki.new(@path)
    Precious::App.set(:gollum_path, @path)
    Precious::App.set(:wiki_options, {})
  end

  teardown do
    FileUtils.rm_rf(@path)
  end

  # Here's the dir structure of lotr.git
  #
  # .
  # ├── Bilbo-Baggins.md
  # ├── Data.csv
  # |-- Data-Two.csv -> Data.csv
  # ├── Gondor
  # │   ├── Boromir.md
  # │   ├── _Footer.md
  # │   ├── _Header.md
  # │   └── _Sidebar.md
  # |-- Hobbit.md -> Bilbo-Baggins.md
  # ├── Home.textile
  # ├── Mordor
  # │   ├── Eye-Of-Sauron.md
  # │   ├── _Footer.md
  # │   ├── _Header.md
  # │   ├── _Sidebar.md
  # │   ├── eye.jpg
  # │   └── todo.txt
  # ├── My-Precious.md
  # ├── roast-mutton.md
  # ├── Samwise\ Gamgee.mediawiki
  # ├── _Footer.md
  # ├── _Header.md
  # └── _Sidebar.md
  # ├── Zamin.md

  test "/overview" do
    get "/gollum/overview"
    assert last_response.ok?

    body = last_response.body

    assert body.include?("Bilbo-Baggins"), "/overview should include the page 'Bilbo Baggins'"
    assert body.include?("Gondor"), "/overview should include the folder 'Gondor'"
    assert !body.include?("Boromir"), "/overview should NOT include the page 'Boromir'"
    assert body.include?("Mordor"), "/overview should include the folder 'Mordor'"
    assert !body.include?("Eye-Of-Sauron"), "/overview should NOT include the page 'Eye Of Sauron'"
    assert !body.match(/(Zamin).+(Bilbo\-Baggins)/m), "/overview should be sorted alphabetically"
  end

  test "/gollum/overview/Mordor/" do
    get "/gollum/overview/Mordor/"
    assert last_response.ok?, "/overview/Mordor/ did not respond ok"

    body = last_response.body

    assert !body.include?("Bilbo-Baggins"), "/overview/Mordor/ should NOT include the page 'Bilbo Baggins'"
    assert body.include?("Eye-Of-Sauron"), "/overview/Mordor/ should include the page 'Eye Of Sauron'"
  end

  test "symbolic link pages" do
    get "/Hobbit"
    assert_match /Bilbo Baggins/, last_response.body
  end

  test "streaming files to browser" do
    get "/Data.csv"
    assert last_response.ok?
    assert last_response.headers.include? 'Content-Disposition'
  end

  # base path requires 'map' in a config.ru to work correctly.
  test "create pages within sub-directories using base path" do
    Precious::App.set(:wiki_options, { :base_path => 'wiki' })
    page = 'path'
    post "/gollum/create", :content => '123', :page => page,
         :path               => 'Mordor', :format => 'markdown', :message => 'oooh, scary'
    # should be wiki/Mordor/path
    assert_equal 'http://example.org/Mordor/' + page + '.md', last_response.headers['Location']
    get '/Mordor/' + page
    assert_match /123/, last_response.body

    # Reset base path
    Precious::App.set(:wiki_options, { :base_path => nil })
  end

  test "create pages within sub-directories using page file dir" do
    post "/gollum/create", :content => 'one two', :page => 'base',
         :path               => 'wiki/Mordor', :format => 'markdown', :message => 'oooh, scary'
    assert_equal 'http://example.org/wiki/Mordor/base.md', last_response.headers['Location']
    get "/wiki/Mordor/base"

    assert_match /one two/, last_response.body
  end


  test "create pages within sub-directories" do
    post "/gollum/create", :content => 'big smelly creatures', :page => 'Orc',
         :path               => 'Mordor', :format => 'markdown', :message => 'oooh, scary'
    assert_equal 'http://example.org/Mordor/Orc.md', last_response.headers['Location']
    get "/Mordor/Orc"
    assert_match /big smelly creatures/, last_response.body

    post "/gollum/create", :content => 'really big smelly creatures', :page => 'Uruk Hai',
         :path               => 'Mordor', :format => 'markdown', :message => 'oooh, very scary'
    assert_equal 'http://example.org/Mordor/Uruk%20Hai.md', last_response.headers['Location']
    get "/Mordor/Uruk%20Hai"
    assert_match /really big smelly creatures/, last_response.body
  end

  test "edit pages within sub-directories" do
    post "/gollum/create", :content => 'big smelly creatures', :page => 'Orc',
         :path => 'Mordor', :format => 'markdown', :message => 'oooh, scary'

    assert_equal 'http://example.org/Mordor/Orc.md', last_response.headers['Location']

    page = @wiki.page('Mordor/Orc')
    post "/gollum/edit/Mordor/Orc", :content => 'not so big smelly creatures',
         :page => 'Orc', :path => 'Mordor', :message => 'minor edit', :etag => page.sha
    assert last_response.ok?

    get "/Mordor/Orc"
    assert_match /not so big smelly creatures/, last_response.body
  end

  test 'editable pages have footer' do
    get 'Bilbo-Baggings'
    assert_equal last_response.body.include?('delete-link'), false
    assert_equal last_response.body.include?('page-info-toggle'), false
  end

  test 'show specific revision of page' do
    old_sha = '5bc1aaec6149e854078f1d0f8b71933bbc6c2e43'
    page = 'Bilbo-Baggins'
    get "#{page}/#{old_sha}"
    assert last_response.ok?
    assert_equal last_response.body.include?('delete-link'), false
    assert_equal last_response.body.include?('page-info-toggle'), false
    assert_match %r{This version of the page was edited by <b>Tom Preston-Werner</b> at <time datetime="2010-04-07T19:49:43Z" data-format="%Y-%m-%d %H:%M:%S">\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}</time>.}, last_response.body
    assert last_response.body.include?("<a href=\"/Bilbo-Baggins.md\">View the most recent version.</a></p>")
  end

  test "show revision of specific file" do
    old_sha = "df26e61e707116f81ebc6b935ec6d1676b7e96c4"
    update_sha = "f803c64d11407b23797325e3843f3f378b78f611"

    get "Data.csv/#{old_sha}"
    assert last_response.ok?
    refute_match /Samwise,Gamgee/, last_response.body

    get "Data.csv/#{update_sha}"
    assert last_response.ok?
    assert_match /Samwise,Gamgee/, last_response.body
  end

  test "existing emoji" do
    get "/gollum/emoji/heart"
    assert_equal 200, last_response.status
    assert_equal 'image/png', last_response.headers['Content-Type']
    assert_equal [137, 80, 78, 71, 13, 10, 26, 10], last_response.body.each_byte.to_a[0..7]
  end

  test "missing emoji" do
    get "/gollum/emoji/oggy_was_here"
    assert_equal 404, last_response.status
  end

  def app
    Precious::App
  end
end

context "Frontend with page-file-dir" do
  include Rack::Test::Methods

  setup do
    @path = cloned_testpath("examples/revert.git")
    @wiki = Gollum::Wiki.new(@path)
    Precious::App.set(:gollum_path, @path)
    Precious::App.set(:wiki_options, {allow_editing: true})
    Precious::App.set(:wiki_options, { :css => true, :page_file_dir => 'docs'})
  end

  teardown do
    Precious::App.set(:wiki_options, { :css => nil, :page_file_dir => nil})
    FileUtils.rm_rf(@path)
  end

  test "create sets the correct path for a relative path subdirectory with the page file directory set" do
    dir  = "bardir"
    name = "#{dir}/baz"
    get "/gollum/create/#{name}"
    assert_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
    page = 'docs/yaycustom'
    text = 'customized!'

    @wiki.write_page(page, :markdown, text,
      { :name => 'user1', :email => 'user1' })

    get 'yaycustom'
    assert_match /"\/custom.css"/, last_response.body
  end

  test "custom.css with page-file-dir" do
    custom_content = 'customized for page-file-dir'
    options = {
        :message => "Uploaded file",
        :parent  => @wiki.repo.head.commit,
        :author  => "Bilbo Baggins"
    }

    committer = Gollum::Committer.new(@wiki, options)
    committer.add_to_index('docs/custom.css', custom_content, {normalize: false})
    committer.after_commit do |committer, sha|
      @wiki.clear_cache
      committer.update_working_dir('docs/custom.css')
    end
    committer.commit
    get 'custom.css'

    assert_equal custom_content, last_response.body
  end

  def app
    Precious::App
  end
end

context "Frontend with empty repo" do
  include Rack::Test::Methods

  setup do
    @path = cloned_testpath("examples/empty.git")
    @wiki = Gollum::Wiki.new(@path)
    Precious::App.set(:gollum_path, @path)
    Precious::App.set(:wiki_options, {allow_editing: true})
  end

  teardown do
    FileUtils.rm_rf(@path)
  end

  def app
    Precious::App
  end

  test 'previews content on the first page of an empty wiki' do
    post '/gollum/preview', :content => 'abc', :format => 'markdown'
    assert last_response.ok?
  end

  test 'wiki redirects to create page with newly initialized repo' do
    get '/Home'
    follow_redirect!
    assert_equal '/gollum/create/Home', last_request.fullpath
    assert last_response.ok?
  end

end

context 'Frontend with base path' do
  include Rack::Test::Methods

  setup do
    @path = cloned_testpath("examples/lotr.git")
    @wiki = Gollum::Wiki.new(@path)
    @base_path = 'wiki'
    Precious::App.set(:gollum_path, @path)
    Precious::App.set(:wiki_options, {base_path: @base_path, mathjax: true})
  end

  teardown do
    FileUtils.rm_rf(@path)
  end

  test 'page with base path' do
    get '/wiki/Home'
    assert last_response.ok?
  end

  test 'base path mathjax assets' do
    get '/wiki/Home'
    assert last_response.ok?
    assert last_response.body.include?('<script defer src="/wiki/gollum/assets/mathjax/MathJax.js?config=')
  end

  test 'compare view' do
    get '/wiki/gollum/compare/Bilbo-Baggins.md?versions[]=f25eccd98e9b667f9e22946f3e2f945378b8a72d&versions[]=5bc1aaec6149e854078f1d0f8b71933bbc6c2e43'
    follow_redirect!
    assert last_response.ok?
    assert_equal '/wiki/gollum/compare/Bilbo-Baggins.md/5bc1aaec6149e854078f1d0f8b71933bbc6c2e43...f25eccd98e9b667f9e22946f3e2f945378b8a72d', last_request.fullpath

    get '/wiki/gollum/compare/Bilbo-Baggins.md?versions[]=f25eccd98e9b667f9e22946f3e2f945378b8a72d'
    follow_redirect!
    assert last_response.ok?
    assert_equal '/wiki/gollum/compare/Bilbo-Baggins.md/b0d108328459e44fff4a76cd19b10ddc34adce4b...f25eccd98e9b667f9e22946f3e2f945378b8a72d', last_request.fullpath

    get '/wiki/gollum/compare/Bilbo-Baggins.md'
    follow_redirect!
    assert last_response.ok?
    assert_equal '/wiki/gollum/history/Bilbo-Baggins.md', last_request.fullpath
  end

  def app
    Precious::MapGollum.new(@base_path)
  end
end