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# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-  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::WikiFormatting::MacrosTest < Redmine::HelperTest
  include ApplicationHelper
  include ActionView::Helpers::TextHelper
  include ActionView::Helpers::SanitizeHelper
  include ERB::Util
  include Rails.application.routes.url_helpers
  extend ActionView::Helpers::SanitizeHelper::ClassMethods

  fixtures :projects, :roles, :enabled_modules, :users,
           :repositories, :changesets,
           :trackers, :issue_statuses, :issues,
           :versions, :documents,
           :wikis, :wiki_pages, :wiki_contents,
           :boards, :messages,
           :attachments, :enumerations

  def setup
    super
    @project = nil
  end

  def teardown
  end

  def test_macro_registration
    Redmine::WikiFormatting::Macros.register do
      macro :foo do |obj, args|
        "Foo: #{args.size} (#{args.join(',')}) (#{args.class.name})"
      end
    end

    with_settings :text_formatting => 'textile' do
      assert_equal '<p>Foo: 0 () (Array)</p>', textilizable('{{foo}}')
      assert_equal '<p>Foo: 0 () (Array)</p>', textilizable('{{foo()}}')
      assert_equal '<p>Foo: 1 (arg1) (Array)</p>', textilizable('{{foo(arg1)}}')
      assert_equal '<p>Foo: 2 (arg1,arg2) (Array)</p>', textilizable('{{foo(arg1, arg2)}}')
    end
  end

  def test_macro_registration_parse_args_set_to_false_should_disable_arguments_parsing
    Redmine::WikiFormatting::Macros.register do
      macro :bar, :parse_args => false do |obj, args|
        "Bar: (#{args}) (#{args.class.name})"
      end
    end

    with_settings :text_formatting => 'textile' do
      assert_equal '<p>Bar: (args, more args) (String)</p>', textilizable('{{bar(args, more args)}}')
      assert_equal '<p>Bar: () (String)</p>', textilizable('{{bar}}')
      assert_equal '<p>Bar: () (String)</p>', textilizable('{{bar()}}')
    end
  end

  def test_macro_registration_with_3_args_should_receive_text_argument
    Redmine::WikiFormatting::Macros.register do
      macro :baz do |obj, args, text|
        "Baz: (#{args.join(',')}) (#{text.class.name}) (#{text})"
      end
    end

    with_settings :text_formatting => 'textile' do
      assert_equal '<p>Baz: () (NilClass) ()</p>', textilizable('{{baz}}')
      assert_equal '<p>Baz: () (NilClass) ()</p>', textilizable('{{baz()}}')
      assert_equal "<p>Baz: () (String) (line1\nline2)</p>", textilizable("{{baz()\nline1\nline2\n}}")
      assert_equal "<p>Baz: (arg1,arg2) (String) (line1\nline2)</p>", textilizable("{{baz(arg1, arg2)\nline1\nline2\n}}")
    end
  end

  def test_macro_name_with_upper_case
    with_settings :text_formatting => 'textile' do
      Redmine::WikiFormatting::Macros.macro(:UpperCase) {|obj, args| 'Upper'}
      assert_equal '<p>Upper</p>', textilizable('{{UpperCase}}')
    end
  end

  def test_multiple_macros_on_the_same_line
    Redmine::WikiFormatting::Macros.macro :foo do |obj, args|
      args.any? ? "args: #{args.join(',')}" : "no args"
    end

    with_settings :text_formatting => 'textile' do
      assert_equal '<p>no args no args</p>', textilizable('{{foo}} {{foo}}')
      assert_equal '<p>args: a,b no args</p>', textilizable('{{foo(a,b)}} {{foo}}')
      assert_equal '<p>args: a,b args: c,d</p>', textilizable('{{foo(a,b)}} {{foo(c,d)}}')
      assert_equal '<p>no args args: c,d</p>', textilizable('{{foo}} {{foo(c,d)}}')
    end
  end

  def test_macro_should_receive_the_object_as_argument_when_with_object_and_attribute
    issue = Issue.find(1)
    issue.description = "{{hello_world}}"
    with_settings :text_formatting => 'textile' do
      assert_equal(
        '<p>Hello world! Object: Issue, Called with no argument and no block of text.</p>',
        textilizable(issue, :description)
      )
    end
  end

  def test_macro_should_receive_the_object_as_argument_when_called_with_object_option
    with_settings :text_formatting => 'textile' do
      text = '{{hello_world}}'
      assert_equal(
        '<p>Hello world! Object: Issue, Called with no argument and no block of text.</p>',
        textilizable(text, :object => Issue.find(1))
      )
    end
  end

  def test_extract_macro_options_should_with_args
    options = extract_macro_options(["arg1", "arg2"], :foo, :size)
    assert_equal([["arg1", "arg2"], {}], options)
  end

  def test_extract_macro_options_should_with_options
    options = extract_macro_options(["foo=bar", "size=2"], :foo, :size)
    assert_equal([[], {:foo => "bar", :size => "2"}], options)
  end

  def test_extract_macro_options_should_with_args_and_options
    options = extract_macro_options(["arg1", "arg2", "foo=bar", "size=2"], :foo, :size)
    assert_equal([["arg1", "arg2"], {:foo => "bar", :size => "2"}], options)
  end

  def test_extract_macro_options_should_parse_options_lazily
    options = extract_macro_options(["params=x=1&y=2"], :params)
    assert_equal([[], {:params => "x=1&y=2"}], options)
  end

  def test_macro_exception_should_be_displayed
    Redmine::WikiFormatting::Macros.macro :exception do |obj, args|
      raise "My message"
    end

    text = "{{exception}}"
    assert_include(
      '<div class="flash error">Error executing the <strong>exception</strong> macro (My message)</div>',
      textilizable(text)
    )
  end

  def test_macro_arguments_should_not_be_parsed_by_formatters
    text = '{{hello_world(http://www.redmine.org, #1)}}'
    assert_include 'Arguments: http://www.redmine.org, #1', textilizable(text)
  end

  def test_exclamation_mark_should_not_run_macros
    with_settings :text_formatting => 'textile' do
      text = '!{{hello_world}}'
      assert_equal '<p>{{hello_world}}</p>', textilizable(text)
    end
  end

  def test_exclamation_mark_should_escape_macros
    with_settings :text_formatting => 'textile' do
      text = '!{{hello_world(<tag>)}}'
      assert_equal '<p>{{hello_world(&lt;tag&gt;)}}</p>', textilizable(text)
    end
  end

  def test_unknown_macros_should_not_be_replaced
    with_settings :text_formatting => 'textile' do
      text = '{{unknown}}'
      assert_equal '<p>{{unknown}}</p>', textilizable(text)
    end
  end

  def test_unknown_macros_should_parsed_as_text
    with_settings :text_formatting => 'textile' do
      text = '{{unknown(*test*)}}'
      assert_equal '<p>{{unknown(<strong>test</strong>)}}</p>', textilizable(text)
    end
  end

  def test_unknown_macros_should_be_escaped
    with_settings :text_formatting => 'textile' do
      text = '{{unknown(<tag>)}}'
      assert_equal '<p>{{unknown(&lt;tag&gt;)}}</p>', textilizable(text)
    end
  end

  def test_html_safe_macro_output_should_not_be_escaped
    with_settings :text_formatting => 'textile' do
      Redmine::WikiFormatting::Macros.macro :safe_macro do |obj, args|
        '<tag>'.html_safe
      end
      assert_equal '<p><tag></p>', textilizable('{{safe_macro}}')
    end
  end

  def test_macro_hello_world
    text = "{{hello_world}}"
    assert textilizable(text).include?('Hello world!')
  end

  def test_macro_hello_world_should_escape_arguments
    text = "{{hello_world(<tag>)}}"
    assert_include 'Arguments: &lt;tag&gt;', textilizable(text)
  end

  def test_macro_macro_list
    text = "{{macro_list}}"
    assert_match %r{<code>hello_world</code>}, textilizable(text)
  end

  def test_macro_include
    @project = Project.find(1)
    # include a page of the current project wiki
    text = "{{include(Another page)}}"
    assert_include 'This is a link to a ticket', textilizable(text)

    @project = nil
    # include a page of a specific project wiki
    text = "{{include(ecookbook:Another page)}}"
    assert_include 'This is a link to a ticket', textilizable(text)

    text = "{{include(ecookbook:)}}"
    assert_include 'CookBook documentation', textilizable(text)

    text = "{{include(unknowidentifier:somepage)}}"
    assert_include 'Page not found', textilizable(text)
  end

  def test_macro_collapse
    text = "{{collapse\n*Collapsed* block of text\n}}"
    with_locale 'en' do
      with_settings :text_formatting => 'textile' do
        result = textilizable(text)

        assert_select_in result, 'div.collapsed-text'
        assert_select_in result, 'strong', :text => 'Collapsed'
        assert_select_in result, 'a.collapsible.icon-collapsed', :text => 'Show'
        assert_select_in result, 'a.collapsible.icon-expanded', :text => 'Hide'
      end
    end
  end

  def test_macro_collapse_with_one_arg
    text = "{{collapse(Example)\n*Collapsed* block of text\n}}"
    with_settings :text_formatting => 'textile' do
      result = textilizable(text)

      assert_select_in result, 'div.collapsed-text'
      assert_select_in result, 'strong', :text => 'Collapsed'
      assert_select_in result, 'a.collapsible.icon-collapsed', :text => 'Example'
      assert_select_in result, 'a.collapsible.icon-expanded', :text => 'Example'
    end
  end

  def test_macro_collapse_with_two_args
    text = "{{collapse(Show example, Hide example)\n*Collapsed* block of text\n}}"
    with_settings :text_formatting => 'textile' do
      result = textilizable(text)

      assert_select_in result, 'div.collapsed-text'
      assert_select_in result, 'strong', :text => 'Collapsed'
      assert_select_in result, 'a.collapsible.icon-collapsed', :text => 'Show example'
      assert_select_in result, 'a.collapsible.icon-expanded', :text => 'Hide example'
    end
  end

  def test_macro_collapse_should_not_break_toc
    set_language_if_valid 'en'

    text = <<~RAW
      {{toc}}

      h1. Title

      {{collapse(Show example, Hide example)
      h2. Heading
      }}"
    RAW
    expected_toc =
      '<ul class="toc"><li><strong>Table of contents</strong></li>' \
      '<li><a href="#Title">Title</a><ul><li><a href="#Heading">Heading</a></li></ul></li></ul>'
    with_settings :text_formatting => 'textile' do
      assert_include expected_toc, textilizable(text).gsub(/[\r\n]/, '')
    end
  end

  def test_macro_child_pages
    expected =
      "<p><ul class=\"pages-hierarchy\">\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_1\">Child 1</a>\n" \
      "<ul class=\"pages-hierarchy\">\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_1_1\">Child 1 1</a></li>\n</ul>\n</li>\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_2\">Child 2</a></li>\n" \
      "</ul>\n</p>"
    @project = Project.find(1)
    with_settings :text_formatting => 'textile' do
      # child pages of the current wiki page
      assert_equal expected, textilizable('{{child_pages}}', :object => WikiPage.find(2).content)
      # child pages of another page
      assert_equal expected, textilizable('{{child_pages(Another_page)}}', :object => WikiPage.find(1).content)

      @project = Project.find(2)
      assert_equal expected, textilizable('{{child_pages(ecookbook:Another_page)}}', :object => WikiPage.find(1).content)
    end
  end

  def test_macro_child_pages_with_parent_option
    expected =
      "<p><ul class=\"pages-hierarchy\">\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Another_page\">Another page</a>\n" \
      "<ul class=\"pages-hierarchy\">\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_1\">Child 1</a>\n" \
      "<ul class=\"pages-hierarchy\">\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_1_1\">Child 1 1</a></li>\n</ul>\n</li>\n" \
      "<li><a href=\"/projects/ecookbook/wiki/Child_2\">Child 2</a></li>\n" \
      "</ul>\n</li>\n</ul>\n</p>"

    @project = Project.find(1)
    with_settings :text_formatting => 'textile' do
      # child pages of the current wiki page
      assert_equal expected, textilizable('{{child_pages(parent=1)}}', :object => WikiPage.find(2).content)
      # child pages of another page
      assert_equal(
        expected,
        textilizable('{{child_pages(Another_page, parent=1)}}', :object => WikiPage.find(1).content)
      )
      @project = Project.find(2)
      assert_equal(
        expected,
        textilizable('{{child_pages(ecookbook:Another_page, parent=1)}}', :object => WikiPage.find(1).content)
      )
    end
  end

  def test_macro_child_pages_with_depth_option
    expected =
      "<p><ul class=\"pages-hierarchy\">\n" \
        "<li><a href=\"/projects/ecookbook/wiki/Child_1\">Child 1</a></li>\n" \
        "<li><a href=\"/projects/ecookbook/wiki/Child_2\">Child 2</a></li>\n" \
        "</ul>\n</p>"
    @project = Project.find(1)
    with_settings :text_formatting => 'textile' do
      assert_equal expected, textilizable("{{child_pages(depth=1)}}", :object => WikiPage.find(2).content)
    end
  end

  def test_macro_child_pages_without_wiki_page_should_fail
    assert_match /can be called from wiki pages only/, textilizable("{{child_pages}}")
  end

  def test_macro_thumbnail
    with_settings :text_formatting => 'textile' do
      link = link_to('<img alt="testfile.PNG" src="/attachments/thumbnail/17/200" />'.html_safe,
                     '/attachments/17',
                     :class => 'thumbnail',
                     :title => 'testfile.PNG')
      assert_equal "<p>#{link}</p>",
                   textilizable('{{thumbnail(testfile.png)}}', :object => Issue.find(14))
    end
  end

  def test_macro_thumbnail_with_full_path
    with_settings :text_formatting => 'textile' do
      link = link_to('<img alt="testfile.PNG" src="http://test.host/attachments/thumbnail/17/200" />'.html_safe,
                     'http://test.host/attachments/17',
                     :class => 'thumbnail',
                     :title => 'testfile.PNG')
      assert_equal "<p>#{link}</p>",
                   textilizable('{{thumbnail(testfile.png)}}', :object => Issue.find(14), :only_path => false)
    end
  end

  def test_macro_thumbnail_with_size
    with_settings :text_formatting => 'textile' do
      link = link_to('<img alt="testfile.PNG" src="/attachments/thumbnail/17/400" />'.html_safe,
                     '/attachments/17',
                     :class => 'thumbnail',
                     :title => 'testfile.PNG')
      assert_equal "<p>#{link}</p>",
                   textilizable('{{thumbnail(testfile.png, size=400)}}', :object => Issue.find(14))
    end
  end

  def test_macro_thumbnail_with_title
    with_settings :text_formatting => 'textile' do
      link = link_to('<img alt="testfile.PNG" src="/attachments/thumbnail/17/200" />'.html_safe,
                     '/attachments/17',
                     :class => 'thumbnail',
                     :title => 'Cool image')
      assert_equal "<p>#{link}</p>",
                   textilizable('{{thumbnail(testfile.png, title=Cool image)}}', :object => Issue.find(14))
    end
  end

  def test_macro_thumbnail_with_invalid_filename_should_fail
    assert_include 'test.png not found',
                   textilizable("{{thumbnail(test.png)}}", :object => Issue.find(14))
  end

  def test_macros_should_not_be_executed_in_pre_tags
    text = <<~RAW
      {{hello_world(foo)}}

      <pre>
      {{hello_world(pre)}}
      !{{hello_world(pre)}}
      </pre>

      {{hello_world(bar)}}
    RAW
    expected = <<~EXPECTED
      <p>Hello world! Object: NilClass, Arguments: foo and no block of text.</p>

      <pre>
      {{hello_world(pre)}}
      !{{hello_world(pre)}}
      </pre>

      <p>Hello world! Object: NilClass, Arguments: bar and no block of text.</p>
    EXPECTED
    with_settings :text_formatting => 'textile' do
      assert_equal expected.gsub(%r{[\r\n\t]}, ''), textilizable(text).gsub(%r{[\r\n\t]}, '')
    end
  end

  def test_macros_should_be_escaped_in_pre_tags
    with_settings :text_formatting => 'textile' do
      text = '<pre>{{hello_world(<tag>)}}</pre>'
      assert_equal '<pre>{{hello_world(&lt;tag&gt;)}}</pre>', textilizable(text)
    end
  end

  def test_macros_should_not_mangle_next_macros_outputs
    with_settings :text_formatting => 'textile' do
      text = '{{macro(2)}} !{{macro(2)}} {{hello_world(foo)}}'
      assert_equal(
        '<p>{{macro(2)}} {{macro(2)}} Hello world! Object: NilClass, Arguments: foo and no block of text.</p>',
        textilizable(text)
      )
    end
  end

  def test_macros_with_text_should_not_mangle_following_macros
    text = <<~RAW
      {{hello_world
      Line of text
      }}

      {{hello_world
      Another line of text
      }}
    RAW
    expected = <<~EXPECTED
      <p>Hello world! Object: NilClass, Called with no argument and a 12 bytes long block of text.</p>
      <p>Hello world! Object: NilClass, Called with no argument and a 20 bytes long block of text.</p>
    EXPECTED
    assert_equal expected.gsub(%r{[\r\n\t]}, ''), textilizable(text).gsub(%r{[\r\n\t]}, '')
  end

  def test_macro_should_support_phrase_modifiers
    with_settings :text_formatting => 'textile' do
      text = '*{{hello_world}}*'
      assert_match %r|\A<p><strong>Hello world!.*</strong></p>\z|, textilizable(text)
    end
  end

  def test_issue_macro_should_not_render_link_if_not_visible
    with_settings :text_formatting => 'textile' do
      assert_equal '<p>#123</p>', textilizable('{{issue(123)}}')
    end
  end

  def test_issue_macro_should_render_link_to_issue
    issue = Issue.find(1)
    with_settings :text_formatting => 'textile' do
      assert_equal(
        %{<p><a class="issue tracker-1 status-1 priority-4 priority-lowest behind-schedule" } +
        %{href="/issues/1">Bug #1</a>: #{issue.subject}</p>},
        textilizable('{{issue(1)}}')
      )
      assert_equal(
        %{<p>eCookbook - } +
        %{<a class="issue tracker-1 status-1 priority-4 priority-lowest behind-schedule" } +
        %{href="/issues/1">Bug #1</a>: #{issue.subject}</p>},
        textilizable('{{issue(1, project=true)}}')
      )
    end
  end
end