ale/test/linter/test_erubi.vader

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Before:
call ale#assert#SetUpLinterTest('eruby', 'erubi')
After:
call ale#assert#TearDownLinterTest()
Execute(Executable should not contain any filter code by default):
call ale#test#SetFilename('../test-files/ruby/not_a_rails_app/file.rb')
AssertLinter 'ruby', [
\ 'ruby -r erubi/capture_end -e ' . ale#Escape('""'),
\ 'ruby -r erubi/capture_end -e ' . ale#Escape('puts Erubi::CaptureEndEngine.new($stdin.read).src') . '< %t | ruby -c',
\]
Execute(Executable should filter invalid eRuby when inside a Rails project):
call ale#test#SetFilename('../test-files/ruby/valid_rails_app/app/views/my_great_view.html.erb')
AssertLinter 'ruby', [
\ 'ruby -r erubi/capture_end -e ' . ale#Escape('""'),
\ 'ruby -r erubi/capture_end -e ' . ale#Escape('puts Erubi::CaptureEndEngine.new($stdin.read.gsub(%{<%=},%{<%}), nil, %{-}).src') . '< %t | ruby -c',
\]
Execute(Command should be blank if the first command in the chain returns output):
GivenCommandOutput [
\ "/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- erubi/capture_end (LoadError)",
\ " from /usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require'",
\]
AssertLinter 'ruby', [
\ 'ruby -r erubi/capture_end -e ' . ale#Escape('""'),
\ '',
\]