Ruby on rails bundle exec rake测试：模型抛出Errno:：EACCES:权限被拒绝

我正在编写的草稿版本，当我尝试运行

bundle exec rake test:models

时，我收到以下错误消息：

rake aborted!
Errno::EACCES: Permission denied - C:/Users/Alex/Desktop/Workspace/Rails/sample_
app/db/test.sqlite3
C:/Users/Alex/Desktop/Workspace/Rails/sample_app/test/test_helper.rb:3:in `<top
(required)>'
C:/Users/Alex/Desktop/Workspace/Rails/sample_app/test/helpers/application_helper
_test.rb:1:in `<top (required)>'
Tasks: TOP => test:run => test:units
(See full trace by running task with --trace)

rake中止！
Errno:：EACCES:权限被拒绝-C:/Users/Alex/Desktop/Workspace/Rails/sample_
app/db/test.sqlite3
C:/Users/Alex/Desktop/Workspace/Rails/sample\u app/test/test\u helper.rb:3:in`'
C:/Users/Alex/Desktop/Workspace/Rails/sample\u app/test/helpers/application\u helper
_测试rb:1:in`'
任务：TOP=>test:run=>test:units
（通过使用--trace运行任务查看完整跟踪）

使用--trace：

调用测试（第一次） **执行测试 **调用测试：运行（第一次） **调用测试：单位（第一次） **调用测试：准备（第一次） **执行测试：准备 **执行测试：单元 雷克流产了！ Errno:：EACCES:权限被拒绝-C:/Users/Alex/Desktop/Workspace/Rails/sample_ app/db/test.sqlite3 C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1432:in'unlink' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1432:in`block in remove _文件' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1440:in'platform\u supper 不 C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1431:in'remove_file' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:785:in'remove_file' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:563:in'block in rm' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:562:in'each' C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:562:in`rm' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active\u record/tasks/sqlite\u database\u tasks.rb:22:in'drop' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active\u record/tasks/sqlite\u database\u tasks.rb:26:in'purge' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/tasks/database_tasks.rb:159:in'purge' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/tasks/database_tasks.rb:201:in'load_schema_for' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/tasks/database_tasks.rb:216:in`block in load_schema_current' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active\u record/tasks/database\u tasks.rb:255:in`每个当前配置中的块 离子 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/tasks/database_tasks.rb:254:in'each' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active\u record/tasks/database\u tasks.rb:254:在“每个当前配置”中 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active\u record/tasks/database\u tasks.rb:215:in'load\u schema\u current' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/migration.rb:402:in'load_schema_if_pending！' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/migration.rb:409:in`maintain_test_schema中的block！' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/migration.rb:637:in“suppress_messages” C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/migration.rb:414:in'method_missing' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li b/active_record/migration.rb:409:in'maintain_test_schema！' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra ils/test\u help.rb:19:in`' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in`block in require' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_support/dependencies.rb:233:in'load_dependencity' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/Users/Alex/Desktop/Workspace/Rails/sample\u app/test/test\u helper.rb:3:in`' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in`block in require' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_support/dependencies.rb:233:in'load_dependencity' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/Users/Alex/Desktop/Workspace/Rails/sample\u app/test/helpers/application\u helper _测试rb:1:in`' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in`block in require' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_support/dependencies.rb:233:in'load_dependencity' C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l ib/active_支持/依赖项。rb:248:in“require” C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra ils/test_unit/sub_test_task.rb:114:在“定义中的块（3级）”中 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra ils/test_unit/sub_test_task.rb:114:在'each'中 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra ils/test_unit/sub_test_task.rb:114:在“定义中的块（2个级别）”中 C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra ils/te

** Invoke test (first_time)
** Execute test
** Invoke test:run (first_time)
** Invoke test:units (first_time)
** Invoke test:prepare (first_time)
** Execute test:prepare
** Execute test:units
rake aborted!
Errno::EACCES: Permission denied - C:/Users/Alex/Desktop/Workspace/Rails/sample_
app/db/test.sqlite3
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1432:in `unlink'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1432:in `block in remove
_file'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1440:in `platform_suppor
t'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:1431:in `remove_file'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:785:in `remove_file'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:563:in `block in rm'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:562:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/fileutils.rb:562:in `rm'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/sqlite_database_tasks.rb:22:in `drop'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/sqlite_database_tasks.rb:26:in `purge'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:159:in `purge'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:201:in `load_schema_for'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:216:in `block in load_schema_current'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:255:in `block in each_current_configurat
ion'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:254:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:254:in `each_current_configuration'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/tasks/database_tasks.rb:215:in `load_schema_current'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/migration.rb:402:in `load_schema_if_pending!'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/migration.rb:409:in `block in maintain_test_schema!'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/migration.rb:637:in `suppress_messages'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/migration.rb:414:in `method_missing'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activerecord-4.2.0.beta1/li
b/active_record/migration.rb:409:in `maintain_test_schema!'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_help.rb:19:in `<top (required)>'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `block in require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:233:in `load_dependency'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/Users/Alex/Desktop/Workspace/Rails/sample_app/test/test_helper.rb:3:in `<top
(required)>'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `block in require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:233:in `load_dependency'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/Users/Alex/Desktop/Workspace/Rails/sample_app/test/helpers/application_helper
_test.rb:1:in `<top (required)>'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `block in require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:233:in `load_dependency'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.0.beta1/l
ib/active_support/dependencies.rb:248:in `require'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:114:in `block (3 levels) in define'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:114:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:114:in `block (2 levels) in define'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:113:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:113:in `block in define'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:240:in `call'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:240:in `block in execute'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:235:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:235:in `execute'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:179:in `block in invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:172:in `invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:201:in `block in invoke_prerequisites'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:199:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:199:in `invoke_prerequisites'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:178:in `block in invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:172:in `invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:165:in `invoke'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/sub_test_task.rb:20:in `invoke_rake_task'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.0.beta1/lib/ra
ils/test_unit/testing.rake:8:in `block in <top (required)>'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:240:in `call'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:240:in `block in execute'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:235:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:235:in `execute'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:179:in `block in invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/monitor.rb:211:in `mon_synchronize'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:172:in `invoke_with_call_chain'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/task.r
b:165:in `invoke'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:150:in `invoke_task'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:106:in `block (2 levels) in top_level'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:106:in `each'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:106:in `block in top_level'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:115:in `run_with_threads'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:100:in `top_level'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:78:in `block in run'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:176:in `standard_exception_handling'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/lib/rake/applic
ation.rb:75:in `run'
C:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rake-10.3.2/bin/rake:33:in
`<top (required)>'
C:/RailsInstaller/Ruby2.0.0/bin/rake:23:in `load'
C:/RailsInstaller/Ruby2.0.0/bin/rake:23:in `<main>'
Tasks: TOP => test:run => test:units

def remove_file
  platform_support {
    File.unlink path
  }
end

def platform_support
  return yield unless fu_windows?
  first_time_p = true
  begin
    yield
  rescue Errno::ENOENT
    raise
  rescue => err
    if first_time_p
      first_time_p = false
      begin
        File.chmod 0700, path()   # Windows does not have symlink
        retry
      rescue SystemCallError
      end
    end
    raise err
  end
end