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Test which tags are actually rendered by the paginator 

this includes a regression test for #310
This commit is contained in:
Akira Matsuda 2016-12-13 11:24:03 +09:00
parent 96aac765bd
commit 92e1604d5d
2 changed files with 71 additions and 105 deletions
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105
kaminari-core/test/helpers/helpers_test.rb
View File

@ -43,109 +43,4 @@ class PaginatorHelperTest < ActiveSupport::TestCase
paginator = Paginator.new(template, param_name: :pagina)
assert_equal :pagina, paginator.page_tag(template).instance_variable_get('@param_name')
end
#TODO test somehow...
# describe '#tagify_links' do
# def tags_with(options)
# PaginationRenderer.new(template, options).tagify_links
# end
# context '1 page in total' do
# subject { tags_with :total_pages => 1, :current_page => 1 }
# it { should have(0).tags }
# end
# context '10 pages in total' do
# context 'first page' do
# subject { tags_with :total_pages => 10, :current_page => 1 }
# it { should_not contain_tag PrevLink }
# it { should contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should_not contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should contain_tag TruncatedSpan }
# end
# context 'second page' do
# subject { tags_with :total_pages => 10, :current_page => 2 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should contain_tag TruncatedSpan }
# end
# context 'third page' do
# subject { tags_with :total_pages => 10, :current_page => 3 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should contain_tag TruncatedSpan }
# end
# context 'fourth page(no truncation)' do
# subject { tags_with :total_pages => 10, :current_page => 4 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should_not contain_tag TruncatedSpan }
# end
# context 'seventh page(no truncation)' do
# subject { tags_with :total_pages => 10, :current_page => 7 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should_not contain_tag TruncatedSpan }
# end
# context 'eighth page' do
# subject { tags_with :total_pages => 10, :current_page => 8 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should contain_tag NextLink }
# it { should_not contain_tag NextSpan }
# it { should contain_tag TruncatedSpan }
# end
# context 'last page' do
# subject { tags_with :total_pages => 10, :current_page => 10 }
# it { should contain_tag PrevLink }
# it { should_not contain_tag PrevSpan }
# it { should contain_tag CurrentPage }
# it { should contain_tag FirstPageLink }
# it { should_not contain_tag LastPageLink }
# it { should contain_tag PageLink }
# it { should_not contain_tag NextLink }
# it { should contain_tag NextSpan }
# it { should contain_tag TruncatedSpan }
# end
# end
# end
end

71
kaminari-core/test/helpers/paginator_tags_test.rb Normal file
View File

@ -0,0 +1,71 @@
# frozen_string_literal: true
require 'test_helper'
class PaginatorTagsTest < ActionView::TestCase
# A test paginator that can detect instantiated tags inside
class TagSpy < Kaminari::Helpers::Paginator
def initialize(*)
super
@tags = []
end
def page_tag(page)
@tags << page.to_i
super
end
%w[first_page prev_page next_page last_page gap].each do |tag|
eval <<-DEF, nil, __FILE__, __LINE__ + 1
def #{tag}_tag
@tags << :#{tag}
super
end
DEF
end
def partial_path
'kaminari/paginator'
end
def to_s
super
@tags
end
end
def tags_for(collection, window: 4, outer_window: 0)
view.paginate(collection, paginator_class: TagSpy, window: window, outer_window: outer_window, params: {controller: 'users', action: 'index'})
end
teardown do
User.delete_all
end
test '1 page in total' do
3.times {|i| User.create! name: "user#{i}"}
assert_empty tags_for(User.page(1).per(3))
end
sub_test_case 'when having 1 outer_window (and 1 inner window)' do
def tags_for(collection, window: 1, outer_window: 1)
super
end
test '10 pages in total' do
20.times {|i| User.create! name: "user#{i}"}
assert_equal [1, 2, :gap, 10, :next_page, :last_page], tags_for(User.page(1).per(2))
assert_equal [:first_page, :prev_page, 1, 2, 3, :gap, 10, :next_page, :last_page], tags_for(User.page(2).per(2))
assert_equal [:first_page, :prev_page, 1, 2, 3, 4, :gap, 10, :next_page, :last_page], tags_for(User.page(3).per(2))
# the 3rd page doesn't become a gap because it's a single gap
assert_equal [:first_page, :prev_page, 1, 2, 3, 4, 5, :gap, 10, :next_page, :last_page], tags_for(User.page(4).per(2))
assert_equal [:first_page, :prev_page, 1, :gap, 4, 5, 6, :gap, 10, :next_page, :last_page], tags_for(User.page(5).per(2))
assert_equal [:first_page, :prev_page, 1, :gap, 5, 6, 7, :gap, 10, :next_page, :last_page], tags_for(User.page(6).per(2))
# the 9th page doesn't become a gap because it's a single gap
assert_equal [:first_page, :prev_page, 1, :gap, 6, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(7).per(2))
assert_equal [:first_page, :prev_page, 1, :gap, 7, 8, 9, 10, :next_page, :last_page], tags_for(User.page(8).per(2))
assert_equal [:first_page, :prev_page, 1, :gap, 8, 9, 10, :next_page, :last_page], tags_for(User.page(9).per(2))
assert_equal [:first_page, :prev_page, 1, :gap, 9, 10], tags_for(User.page(10).per(2))
end
end
end