86 lines
2.2 KiB
Ruby
86 lines
2.2 KiB
Ruby
require 'cases/helper'
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require 'models/post'
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class EachTest < ActiveRecord::TestCase
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fixtures :posts
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def setup
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@posts = Post.order("id asc")
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@total = Post.count
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end
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def test_each_should_excecute_one_query_per_batch
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assert_queries(Post.count + 1) do
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Post.find_each(:batch_size => 1) do |post|
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assert_kind_of Post, post
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end
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end
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end
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def test_each_should_raise_if_select_is_set_without_id
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assert_raise(RuntimeError) do
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Post.find_each(:select => :title, :batch_size => 1) { |post| post }
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end
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end
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def test_each_should_execute_if_id_is_in_select
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assert_queries(4) do
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Post.find_each(:select => "id, title, type", :batch_size => 2) do |post|
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assert_kind_of Post, post
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end
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end
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end
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def test_each_should_raise_if_the_order_is_set
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assert_raise(RuntimeError) do
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Post.find_each(:order => "title") { |post| post }
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end
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end
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def test_each_should_raise_if_the_limit_is_set
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assert_raise(RuntimeError) do
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Post.find_each(:limit => 1) { |post| post }
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end
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end
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def test_warn_if_limit_scope_is_set
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ActiveRecord::Base.logger.expects(:warn)
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Post.limit(1).find_each { |post| post }
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end
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def test_warn_if_order_scope_is_set
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ActiveRecord::Base.logger.expects(:warn)
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Post.order("title").find_each { |post| post }
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end
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def test_find_in_batches_should_return_batches
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assert_queries(Post.count + 1) do
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Post.find_in_batches(:batch_size => 1) do |batch|
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assert_kind_of Array, batch
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assert_kind_of Post, batch.first
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end
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end
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end
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def test_find_in_batches_should_start_from_the_start_option
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assert_queries(Post.count) do
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Post.find_in_batches(:batch_size => 1, :start => 2) do |batch|
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assert_kind_of Array, batch
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assert_kind_of Post, batch.first
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end
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end
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end
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def test_find_in_batches_shouldnt_excute_query_unless_needed
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post_count = Post.count
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assert_queries(2) do
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Post.find_in_batches(:batch_size => post_count) {|batch| assert_kind_of Array, batch }
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end
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assert_queries(1) do
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Post.find_in_batches(:batch_size => post_count + 1) {|batch| assert_kind_of Array, batch }
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end
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end
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end
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