我正在将测试套件升级到Capybara 2.1，并且在运行测试套件时遇到了最棘手的问题。
当我为整个套件运行测试时（使用描述性格式化立即失败）：
rspec spec/acceptance/non-webdriver-dependent/ --fail-fast -f d
抛出以下错误：
Failure/Error: within(".sidebar") do
ArgumentError:
wrong number of arguments (3 for 1)
使用--backtrace选项运行时，会报告以下内容：
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/actionpack-3.2.12/lib/action_view/helpers/text_helper.rb:51:in `concat'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/nokogiri-1.5.9/lib/nokogiri/xml/node.rb:159:in `evaluate'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/nokogiri-1.5.9/lib/nokogiri/xml/node.rb:159:in `block in xpath'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/nokogiri-1..9/lib/nokogiri/xml/node.rb:150:in `map'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/nokogiri-1.5.9/lib/nokogiri/xml/node.rb:150:in `xpath'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/nokogiri-1.5.9/lib/nokogiri/xml/node.rb:214:in `css'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/rack_test/browser.rb:85:in `find'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/rack_test/driver.rb:70:in `find_css'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/finders.rb:152:in `block in resolve_query'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/base.rb:77:in `synchronize'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/finders.rb:150:in `resolve_query'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/finders.rb:35:in `block in find'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/base.rb:81:in `synchronize'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/node/finders.rb:30:in `find'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/session.rb:354:in `block (2 levels) in <class:Session>'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/session.rb:221:in `within'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/capybara-2.1.0/lib/capybara/dsl.rb:51:in `block (2 levels) in <module:DSL>'
# ./spec/acceptance/non-webdriver-dependent/bronze/company_job_postings_index_sidebar_spec.rb:15:in `block (3 levels) in <top (required)>'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example.rb:114:in `instance_eval'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example.rb:114:in `block in run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example.rb:254:in `with_around_each_hooks'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example.rb:111:in `run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:390:in `block in run_examples'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:386:in `map'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:386:in `run_examples'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:371:in `run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:372:in `block in run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:372:in `map'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/example_group.rb:372:in `run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/command_line.rb:28:in `block (2 levels) in run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/command_line.rb:28:in `map'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/command_line.rb:28:in `block in run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/reporter.rb:34:in `report'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/command_line.rb:25:in `run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:80:in `run'
# /Users/steve/.rvm/gems/ruby-1.9.3-p392/gems/rspec-core-2.13.1/lib/rspec/core/runner.rb:17:in `block in autorun'
然而，当我一次运行一个测试时，我没有任何问题。这对我来说是令人难以置信的，任何人可能对此有任何见解都将受到高度赞赏！ 重要的是要知道这只发生在使用默认驱动程序而不是硒测试的验收测试中。此外，此错误仅在升级到Capybara 2.1.0后发生。
答案 0 :(得分：0)
我得到了同样的错误。有些人说，问题是include ActionView::Helpers::TextHelper。就我而言，我把它包含在一个模型中。幸运的是，我可以将其从模型中删除，并清除此错误。