ceeed1e692
Refactor page limits to a) be explicitly listed in the User class (not hidden away in the Danbooru config) and b) explicitly depend on the CurrentUser (not implicitly by way of Danbooru.config.max_numbered_pages).
69 lines
2.1 KiB
Ruby
69 lines
2.1 KiB
Ruby
require 'test_helper'
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class PaginatorTest < ActiveSupport::TestCase
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setup do
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@posts = FactoryBot.create_list(:post, 5)
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CurrentUser.user = User.anonymous
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end
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teardown do
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CurrentUser.user = nil
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end
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context "sequential pagination (before)" do
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should "return the correct set of records" do
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expected_posts = Post.limit(3).order(id: :desc)
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posts = Post.paginate("b9999999", limit: 3)
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assert_equal(expected_posts.map(&:id), posts.map(&:id))
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end
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should "return nothing for b0" do
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posts = Post.paginate("b0")
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assert_empty(posts.map(&:id))
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end
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end
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context "sequential pagination (after)" do
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should "return the correct set of records" do
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expected_posts = Post.limit(3).order(id: :asc).reverse
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posts = Post.paginate("a0", limit: 3)
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assert_equal(expected_posts.map(&:id), posts.map(&:id))
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end
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end
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context "numbered pagination" do
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should "return the correct set of records" do
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expected_posts = Post.limit(3).order(id: :desc)
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posts = Post.order(id: :desc).paginate("1", limit: 3)
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assert_equal(expected_posts.map(&:id), posts.map(&:id))
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end
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should "raise an error when exceeding the page limit" do
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assert_raises(PaginationExtension::PaginationError) do
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Post.paginate(10, page_limit: 5)
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end
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end
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should "count pages correctly" do
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assert_equal(5, Post.paginate(1, limit: 1).total_pages)
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assert_equal(3, Post.paginate(1, limit: 2).total_pages)
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assert_equal(2, Post.paginate(1, limit: 3).total_pages)
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assert_equal(2, Post.paginate(1, limit: 4).total_pages)
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assert_equal(1, Post.paginate(1, limit: 5).total_pages)
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end
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should "detect the first and last page correctly" do
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assert(Post.paginate(0, limit: 1).is_first_page?)
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assert(Post.paginate(1, limit: 1).is_first_page?)
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refute(Post.paginate(1, limit: 1).is_last_page?)
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refute(Post.paginate(5, limit: 1).is_first_page?)
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assert(Post.paginate(5, limit: 1).is_last_page?)
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assert(Post.paginate(6, limit: 1).is_last_page?)
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end
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end
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end
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