114 lines
3.0 KiB
Ruby
114 lines
3.0 KiB
Ruby
require 'helper'
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class TestPager < Test::Unit::TestCase
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should "calculate number of pages" do
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assert_equal(0, Pager.calculate_pages([], '2'))
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assert_equal(1, Pager.calculate_pages([1], '2'))
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assert_equal(1, Pager.calculate_pages([1,2], '2'))
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assert_equal(2, Pager.calculate_pages([1,2,3], '2'))
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assert_equal(2, Pager.calculate_pages([1,2,3,4], '2'))
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assert_equal(3, Pager.calculate_pages([1,2,3,4,5], '2'))
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end
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context "pagination disabled" do
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setup do
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stub(Jekyll).configuration do
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Jekyll::DEFAULTS.merge({
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'source' => source_dir,
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'destination' => dest_dir
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})
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end
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@config = Jekyll.configuration
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end
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should "report that pagination is disabled" do
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assert !Pager.pagination_enabled?(@config, 'index.html')
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end
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end
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context "pagination enabled for 2" do
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setup do
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stub(Jekyll).configuration do
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Jekyll::DEFAULTS.merge({
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'source' => source_dir,
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'destination' => dest_dir,
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'paginate' => 2
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})
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end
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@config = Jekyll.configuration
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@site = Site.new(@config)
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@site.process
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@posts = @site.posts
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end
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should "report that pagination is enabled" do
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assert Pager.pagination_enabled?(@config, 'index.html')
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end
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context "with 4 posts" do
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setup do
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@posts = @site.posts[1..4] # limit to 4
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end
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should "create first pager" do
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pager = Pager.new(@config, 1, @posts)
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assert_equal(2, pager.posts.size)
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assert_equal(2, pager.total_pages)
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assert_nil(pager.previous_page)
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assert_equal(2, pager.next_page)
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end
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should "create second pager" do
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pager = Pager.new(@config, 2, @posts)
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assert_equal(2, pager.posts.size)
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assert_equal(2, pager.total_pages)
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assert_equal(1, pager.previous_page)
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assert_nil(pager.next_page)
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end
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should "not create third pager" do
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assert_raise(RuntimeError) { Pager.new(@config, 3, @posts) }
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end
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end
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context "with 5 posts" do
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setup do
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@posts = @site.posts[1..5] # limit to 5
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end
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should "create first pager" do
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pager = Pager.new(@config, 1, @posts)
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assert_equal(2, pager.posts.size)
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assert_equal(3, pager.total_pages)
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assert_nil(pager.previous_page)
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assert_equal(2, pager.next_page)
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end
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should "create second pager" do
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pager = Pager.new(@config, 2, @posts)
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assert_equal(2, pager.posts.size)
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assert_equal(3, pager.total_pages)
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assert_equal(1, pager.previous_page)
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assert_equal(3, pager.next_page)
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end
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should "create third pager" do
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pager = Pager.new(@config, 3, @posts)
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assert_equal(1, pager.posts.size)
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assert_equal(3, pager.total_pages)
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assert_equal(2, pager.previous_page)
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assert_nil(pager.next_page)
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end
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should "not create fourth pager" do
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assert_raise(RuntimeError) { Pager.new(@config, 4, @posts) }
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end
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end
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end
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end
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