如何在测试中重新加载灯具

我试图通过比较动态生成的饲料与已知输出来测试RSS饲料。为了使这个工作，我需要加载冻结时间的灯具。下面的工作，但似乎矫枉过正重新加载模式和固定装置重置数据库。如何在测试中重新加载灯具

# test/integration/feed_test.rb 
require 'test_helper' 
load 'Rakefile' 

class FeedTest < ActionDispatch::IntegrationTest 
    def setup 
    # Normalize time in order to match fixture file 
    travel_to Time.zone.parse('2015-03-01T12:00:00') do 
     silence_stream(STDOUT) do 
     # anything written to STDOUT here will be silenced 
     Rake::Task['db:schema:load'].reenable 
     Rake::Task['db:schema:load'].invoke 
     end 
     Rake::Task['db:fixtures:load'].reenable 
     Rake::Task['db:fixtures:load'].invoke 
    end 
    end 

    test 'feed matches fixture file' do 
    get feed_path 
    assert_equal contents('feed.atom'), response.body 
    end 
end 

# test/test_helper.rb 
module ActiveSupport 
    class TestCase 
    fixtures :all 

    def contents(file_name) 
     IO.read "test/fixtures/files/#{file_name}" 
    end 
    end 
end

我不知道如何重新加载只是travel_to块内的项目筛选器。我也无法让travel_to在test_helper.rb中工作。

但是，这种方法的真正问题是重装Rakefile导致从secure_headers宝石以下虚假警告：

$ rake test 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:1: warning: already initialized constant INLINE_SCRIPT_REGEX 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:1: warning: previous definition of INLINE_SCRIPT_REGEX was here 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:2: warning: already initialized constant INLINE_STYLE_REGEX 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:2: warning: previous definition of INLINE_STYLE_REGEX was here 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:3: warning: already initialized constant INLINE_HASH_SCRIPT_HELPER_REGEX 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:3: warning: previous definition of INLINE_HASH_SCRIPT_HELPER_REGEX was here 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:4: warning: already initialized constant INLINE_HASH_STYLE_HELPER_REGEX 
/Users/dan/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/secure_headers-3.3.1/lib/tasks/tasks.rake:4: warning: previous definition of INLINE_HASH_STYLE_HELPER_REGEX was here 
Run options: --seed 17868 

# Running: 

........................................................................................................ 

Finished in 17.397614s, 5.9778 runs/s, 191.3481 assertions/s. 

104 runs, 3329 assertions, 0 failures, 0 errors, 0 skips 
Coverage report generated for MiniTest to /Users/dan/Dropbox/Documents/dev/cii-best-practices-badge/coverage. 754/781 LOC (96.54%) covered.

好像我应该能够重新加载一些灯具，而无需使用耙子在所有，但我不知道如何这样做。

来源

2016-05-13 dankohn

您是否尝试过这个不同版本的Ruby，或许2.3.1或2.2.5？ Ruby 2.3.0被报告为“越野车”。 –

不幸的是，事实并非如此。我安装Ruby 2.3.1并获得相同的消息。 – dankohn

下面是解决我的问题的修补程序：

# frozen_string_literal: true 
require 'test_helper' 
load 'Rakefile' 

class FeedTest < ActionDispatch::IntegrationTest 
    # Turn off transactional fixtures for this test since we are loading 
    # the fixtures database anyway. This will prevent the timestamp change 
    # from spilling into other tests. 
    self.use_transactional_tests = false 

    setup do 
    # Ensure the test db has its environment metadata set to test, 
    # otherwise tasks farther down will fail. New for Rails 5 
    Rake::Task['db:environment:set'].invoke 
    # Normalize time in order to match fixture file 
    travel_to Time.zone.parse('2015-03-01T12:00:00') do 
     ActiveRecord::Schema.verbose = false 
     Rake::Task['db:schema:load'].reenable 
     Rake::Task['db:schema:load'].invoke 
     Rake::Task['db:fixtures:load'].reenable 
     Rake::Task['db:fixtures:load'].invoke 
    end 
    end 

    test 'feed matches fixture file' do 
    get feed_path 
    assert_equal contents('feed.atom'), response.body 
    end 
end

来源

2017-04-30 12:51:17 dankohn

如何在测试中重新加载灯具

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