https://github.com/jekyll/jekyll
Tip revision: 99ee0c4803e6ac520f862b3341b23612a018cf48 authored by Tom Preston-Werner on 23 June 2010, 00:56:16 UTC
Release 0.6.0
Release 0.6.0
Tip revision: 99ee0c4
test_pager.rb
require File.dirname(__FILE__) + '/helper'
class TestPager < Test::Unit::TestCase
should "calculate number of pages" do
assert_equal(0, Pager.calculate_pages([], '2'))
assert_equal(1, Pager.calculate_pages([1], '2'))
assert_equal(1, Pager.calculate_pages([1,2], '2'))
assert_equal(2, Pager.calculate_pages([1,2,3], '2'))
assert_equal(2, Pager.calculate_pages([1,2,3,4], '2'))
assert_equal(3, Pager.calculate_pages([1,2,3,4,5], '2'))
end
context "pagination disabled" do
setup do
stub(Jekyll).configuration do
Jekyll::DEFAULTS.merge({
'source' => source_dir,
'destination' => dest_dir
})
end
@config = Jekyll.configuration
end
should "report that pagination is disabled" do
assert !Pager.pagination_enabled?(@config, 'index.html')
end
end
context "pagination enabled for 2" do
setup do
stub(Jekyll).configuration do
Jekyll::DEFAULTS.merge({
'source' => source_dir,
'destination' => dest_dir,
'paginate' => 2
})
end
@config = Jekyll.configuration
@site = Site.new(@config)
@site.process
@posts = @site.posts
end
should "report that pagination is enabled" do
assert Pager.pagination_enabled?(@config, 'index.html')
end
context "with 4 posts" do
setup do
@posts = @site.posts[1..4] # limit to 4
end
should "create first pager" do
pager = Pager.new(@config, 1, @posts)
assert_equal(2, pager.posts.size)
assert_equal(2, pager.total_pages)
assert_nil(pager.previous_page)
assert_equal(2, pager.next_page)
end
should "create second pager" do
pager = Pager.new(@config, 2, @posts)
assert_equal(2, pager.posts.size)
assert_equal(2, pager.total_pages)
assert_equal(1, pager.previous_page)
assert_nil(pager.next_page)
end
should "not create third pager" do
assert_raise(RuntimeError) { Pager.new(@config, 3, @posts) }
end
end
context "with 5 posts" do
setup do
@posts = @site.posts[1..5] # limit to 5
end
should "create first pager" do
pager = Pager.new(@config, 1, @posts)
assert_equal(2, pager.posts.size)
assert_equal(3, pager.total_pages)
assert_nil(pager.previous_page)
assert_equal(2, pager.next_page)
end
should "create second pager" do
pager = Pager.new(@config, 2, @posts)
assert_equal(2, pager.posts.size)
assert_equal(3, pager.total_pages)
assert_equal(1, pager.previous_page)
assert_equal(3, pager.next_page)
end
should "create third pager" do
pager = Pager.new(@config, 3, @posts)
assert_equal(1, pager.posts.size)
assert_equal(3, pager.total_pages)
assert_equal(2, pager.previous_page)
assert_nil(pager.next_page)
end
should "not create fourth pager" do
assert_raise(RuntimeError) { Pager.new(@config, 4, @posts) }
end
end
end
end