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require 'helper'
require 'lib/view_test_process'
class AdditionalLinkAttributesRenderer < WillPaginate::LinkRenderer
def initialize(link_attributes = nil)
super()
@additional_link_attributes = link_attributes || { :default => 'true' }
end
def page_link(page, text, attributes = {})
@template.link_to text, url_for(page), attributes.merge(@additional_link_attributes)
end
end
class ViewTest < WillPaginate::ViewTestCase
## basic pagination ##
def test_will_paginate
paginate do |pagination|
assert_select 'a[href]', 3 do |elements|
validate_page_numbers [2,3,2], elements
assert_select elements.last, ':last-child', "Next &raquo;"
end
assert_select 'span', 2
assert_select 'span.disabled:first-child', '&laquo; Previous'
assert_select 'span.current', '1'
assert_equal '&laquo; Previous 1 2 3 Next &raquo;', pagination.first.inner_text
end
end
def test_no_pagination_when_page_count_is_one
paginate :per_page => 30
assert_equal '', @html_result
end
def test_will_paginate_with_options
paginate({ :page => 2 },
:class => 'will_paginate', :previous_label => 'Prev', :next_label => 'Next') do
assert_select 'a[href]', 4 do |elements|
validate_page_numbers [1,1,3,3], elements
# test rel attribute values:
assert_select elements[1], 'a', '1' do |link|
assert_equal 'prev start', link.first['rel']
end
assert_select elements.first, 'a', "Prev" do |link|
assert_equal 'prev start', link.first['rel']
end
assert_select elements.last, 'a', "Next" do |link|
assert_equal 'next', link.first['rel']
end
end
assert_select 'span.current', '2'
end
end
def test_will_paginate_using_renderer_class
paginate({}, :renderer => AdditionalLinkAttributesRenderer) do
assert_select 'a[default=true]', 3
end
end
def test_will_paginate_using_renderer_instance
renderer = WillPaginate::LinkRenderer.new
renderer.gap_marker = '<span class="my-gap">~~</span>'
paginate({ :per_page => 2 }, :inner_window => 0, :outer_window => 0, :renderer => renderer) do
assert_select 'span.my-gap', '~~'
end
renderer = AdditionalLinkAttributesRenderer.new(:title => 'rendered')
paginate({}, :renderer => renderer) do
assert_select 'a[title=rendered]', 3
end
end
def test_prev_next_links_have_classnames
paginate do |pagination|
assert_select 'span.disabled.prev_page:first-child'
assert_select 'a.next_page[href]:last-child'
end
end
def test_prev_label_deprecated
assert_deprecated ':previous_label' do
paginate({ :page => 2 }, :prev_label => 'Deprecated') do
assert_select 'a[href]:first-child', 'Deprecated'
end
end
end
def test_full_output
paginate
expected = <<-HTML
<div class="pagination"><span class="disabled prev_page">&laquo; Previous</span>
<span class="current">1</span>
<a href="/foo/bar?page=2" rel="next">2</a>
<a href="/foo/bar?page=3">3</a>
<a href="/foo/bar?page=2" class="next_page" rel="next">Next &raquo;</a></div>
HTML
expected.strip!.gsub!(/\s{2,}/, ' ')
assert_dom_equal expected, @html_result
end
def test_escaping_of_urls
paginate({:page => 1, :per_page => 1, :total_entries => 2},
:page_links => false, :params => { :tag => '<br>' })
assert_select 'a[href]', 1 do |links|
query = links.first['href'].split('?', 2)[1]
assert_equal %w(page=2 tag=%3Cbr%3E), query.split('&amp;').sort
end
end
## advanced options for pagination ##
def test_will_paginate_without_container
paginate({}, :container => false)
assert_select 'div.pagination', 0, 'main DIV present when it shouldn\'t'
assert_select 'a[href]', 3
end
def test_will_paginate_without_page_links
paginate({ :page => 2 }, :page_links => false) do
assert_select 'a[href]', 2 do |elements|
validate_page_numbers [1,3], elements
end
end
end
def test_will_paginate_windows
paginate({ :page => 6, :per_page => 1 }, :inner_window => 1) do |pagination|
assert_select 'a[href]', 8 do |elements|
validate_page_numbers [5,1,2,5,7,10,11,7], elements
assert_select elements.first, 'a', '&laquo; Previous'
assert_select elements.last, 'a', 'Next &raquo;'
end
assert_select 'span.current', '6'
assert_equal '&laquo; Previous 1 2 &hellip; 5 6 7 &hellip; 10 11 Next &raquo;', pagination.first.inner_text
end
end
def test_will_paginate_eliminates_small_gaps
paginate({ :page => 6, :per_page => 1 }, :inner_window => 2) do
assert_select 'a[href]', 12 do |elements|
validate_page_numbers [5,1,2,3,4,5,7,8,9,10,11,7], elements
end
end
end
def test_container_id
paginate do |div|
assert_nil div.first['id']
end
# magic ID
paginate({}, :id => true) do |div|
assert_equal 'fixnums_pagination', div.first['id']
end
# explicit ID
paginate({}, :id => 'custom_id') do |div|
assert_equal 'custom_id', div.first['id']
end
end
## other helpers ##
def test_paginated_section
@template = <<-ERB
<% paginated_section collection, options do %>
<%= content_tag :div, '', :id => "developers" %>
<% end %>
ERB
paginate
assert_select 'div.pagination', 2
assert_select 'div.pagination + div#developers', 1
end
def test_page_entries_info
@template = '<%= page_entries_info collection %>'
array = ('a'..'z').to_a
paginate array.paginate(:page => 2, :per_page => 5)
assert_equal %{Displaying strings <b>6&nbsp;-&nbsp;10</b> of <b>26</b> in total},
@html_result
paginate array.paginate(:page => 7, :per_page => 4)
assert_equal %{Displaying strings <b>25&nbsp;-&nbsp;26</b> of <b>26</b> in total},
@html_result
end
uses_mocha 'class name' do
def test_page_entries_info_with_longer_class_name
@template = '<%= page_entries_info collection %>'
collection = ('a'..'z').to_a.paginate
collection.first.stubs(:class).returns(mock('class', :name => 'ProjectType'))
paginate collection
assert @html_result.index('project types'), "expected <#{@html_result.inspect}> to mention 'project types'"
end
end
def test_page_entries_info_with_single_page_collection
@template = '<%= page_entries_info collection %>'
paginate(('a'..'d').to_a.paginate(:page => 1, :per_page => 5))
assert_equal %{Displaying <b>all 4</b> strings}, @html_result
paginate(['a'].paginate(:page => 1, :per_page => 5))
assert_equal %{Displaying <b>1</b> string}, @html_result
paginate([].paginate(:page => 1, :per_page => 5))
assert_equal %{No entries found}, @html_result
end
def test_page_entries_info_with_custom_entry_name
@template = '<%= page_entries_info collection, :entry_name => "author" %>'
entries = (1..20).to_a
paginate(entries.paginate(:page => 1, :per_page => 5))
assert_equal %{Displaying authors <b>1&nbsp;-&nbsp;5</b> of <b>20</b> in total}, @html_result
paginate(entries.paginate(:page => 1, :per_page => 20))
assert_equal %{Displaying <b>all 20</b> authors}, @html_result
paginate(['a'].paginate(:page => 1, :per_page => 5))
assert_equal %{Displaying <b>1</b> author}, @html_result
paginate([].paginate(:page => 1, :per_page => 5))
assert_equal %{No authors found}, @html_result
end
## parameter handling in page links ##
def test_will_paginate_preserves_parameters_on_get
@request.params :foo => { :bar => 'baz' }
paginate
assert_links_match /foo%5Bbar%5D=baz/
end
def test_will_paginate_doesnt_preserve_parameters_on_post
@request.post
@request.params :foo => 'bar'
paginate
assert_no_links_match /foo=bar/
end
def test_adding_additional_parameters
paginate({}, :params => { :foo => 'bar' })
assert_links_match /foo=bar/
end
def test_adding_anchor_parameter
paginate({}, :params => { :anchor => 'anchor' })
assert_links_match /#anchor$/
end
def test_removing_arbitrary_parameters
@request.params :foo => 'bar'
paginate({}, :params => { :foo => nil })
assert_no_links_match /foo=bar/
end
def test_adding_additional_route_parameters
paginate({}, :params => { :controller => 'baz', :action => 'list' })
assert_links_match %r{\Wbaz/list\W}
end
def test_will_paginate_with_custom_page_param
paginate({ :page => 2 }, :param_name => :developers_page) do
assert_select 'a[href]', 4 do |elements|
validate_page_numbers [1,1,3,3], elements, :developers_page
end
end
end
def test_will_paginate_with_atmark_url
@request.symbolized_path_parameters[:action] = "@tag"
renderer = WillPaginate::LinkRenderer.new
paginate({ :page => 1 }, :renderer=>renderer)
assert_links_match %r[/foo/@tag\?page=\d]
end
def test_complex_custom_page_param
@request.params :developers => { :page => 2 }
paginate({ :page => 2 }, :param_name => 'developers[page]') do
assert_select 'a[href]', 4 do |links|
assert_links_match /\?developers%5Bpage%5D=\d+$/, links
validate_page_numbers [1,1,3,3], links, 'developers[page]'
end
end
end
def test_custom_routing_page_param
@request.symbolized_path_parameters.update :controller => 'dummy', :action => nil
paginate :per_page => 2 do
assert_select 'a[href]', 6 do |links|
assert_links_match %r{/page/(\d+)$}, links, [2, 3, 4, 5, 6, 2]
end
end
end
def test_custom_routing_page_param_with_dot_separator
@request.symbolized_path_parameters.update :controller => 'dummy', :action => 'dots'
paginate :per_page => 2 do
assert_select 'a[href]', 6 do |links|
assert_links_match %r{/page\.(\d+)$}, links, [2, 3, 4, 5, 6, 2]
end
end
end
def test_custom_routing_with_first_page_hidden
@request.symbolized_path_parameters.update :controller => 'ibocorp', :action => nil
paginate :page => 2, :per_page => 2 do
assert_select 'a[href]', 7 do |links|
assert_links_match %r{/ibocorp(?:/(\d+))?$}, links, [nil, nil, 3, 4, 5, 6, 3]
end
end
end
## internal hardcore stuff ##
class LegacyCollection < WillPaginate::Collection
alias :page_count :total_pages
undef :total_pages
end
def test_deprecation_notices_with_page_count
collection = LegacyCollection.new(1, 1, 2)
assert_deprecated collection.class.name do
paginate collection
end
end
uses_mocha 'view internals' do
def test_collection_name_can_be_guessed
collection = mock
collection.expects(:total_pages).returns(1)
@template = '<%= will_paginate options %>'
@controller.controller_name = 'developers'
@view.assigns['developers'] = collection
paginate(nil)
end
end
def test_inferred_collection_name_raises_error_when_nil
@template = '<%= will_paginate options %>'
@controller.controller_name = 'developers'
e = assert_raise ArgumentError do
paginate(nil)
end
assert e.message.include?('@developers')
end
if ActionController::Base.respond_to? :rescue_responses
# only on Rails 2
def test_rescue_response_hook_presence
assert_equal :not_found,
ActionController::Base.rescue_responses['WillPaginate::InvalidPage']
end
end
end
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