85 lines
2.7 KiB
Ruby
85 lines
2.7 KiB
Ruby
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require 'spec_helper'
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require 'will_paginate/view_helpers/link_renderer_base'
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require 'will_paginate/collection'
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describe WillPaginate::ViewHelpers::LinkRendererBase do
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before do
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@renderer = WillPaginate::ViewHelpers::LinkRendererBase.new
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end
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it "should raise error when unprepared" do
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lambda {
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@renderer.send :param_name
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}.should raise_error
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end
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it "should prepare with collection and options" do
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prepare({}, :param_name => 'mypage')
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@renderer.send(:current_page).should == 1
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@renderer.send(:param_name).should == 'mypage'
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end
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it "should have total_pages accessor" do
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prepare :total_pages => 42
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lambda {
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@renderer.send(:total_pages).should == 42
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}.should_not have_deprecation
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end
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it "should clear old cached values when prepared" do
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prepare({ :total_pages => 1 }, :param_name => 'foo')
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@renderer.send(:total_pages).should == 1
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@renderer.send(:param_name).should == 'foo'
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# prepare with different object and options:
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prepare({ :total_pages => 2 }, :param_name => 'bar')
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@renderer.send(:total_pages).should == 2
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@renderer.send(:param_name).should == 'bar'
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end
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it "should have pagination definition" do
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prepare({ :total_pages => 1 }, :page_links => true)
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@renderer.pagination.should == [:previous_page, 1, :next_page]
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end
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describe "visible page numbers" do
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it "should calculate windowed visible links" do
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prepare({ :page => 6, :total_pages => 11 }, :inner_window => 1, :outer_window => 1)
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showing_pages 1, 2, :gap, 5, 6, 7, :gap, 10, 11
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end
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it "should eliminate small gaps" do
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prepare({ :page => 6, :total_pages => 11 }, :inner_window => 2, :outer_window => 1)
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# pages 4 and 8 appear instead of the gap
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showing_pages 1..11
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end
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it "should support having no windows at all" do
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prepare({ :page => 4, :total_pages => 7 }, :inner_window => 0, :outer_window => 0)
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showing_pages 1, :gap, 4, :gap, 7
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end
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it "should adjust upper limit if lower is out of bounds" do
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prepare({ :page => 1, :total_pages => 10 }, :inner_window => 2, :outer_window => 1)
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showing_pages 1, 2, 3, 4, 5, :gap, 9, 10
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end
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it "should adjust lower limit if upper is out of bounds" do
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prepare({ :page => 10, :total_pages => 10 }, :inner_window => 2, :outer_window => 1)
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showing_pages 1, 2, :gap, 6, 7, 8, 9, 10
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end
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def showing_pages(*pages)
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pages = pages.first.to_a if Array === pages.first or Range === pages.first
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@renderer.send(:windowed_page_numbers).should == pages
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end
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end
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protected
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def prepare(collection_options, options = {})
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@renderer.prepare(collection(collection_options), options)
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end
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end
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