Before:
  call ale#test#SetDirectory('/testplugin/test')
  runtime ale_linters/java/javac.vim

After:
  call ale#test#RestoreDirectory()
  call ale#linter#Reset()

Execute(Should return current directory if called on the project root):
  call ale#test#SetFilename('ant-test-files/ant-project/Main.java')

  AssertEqual
  \ ale#path#Simplify(g:dir . '/ant-test-files/ant-project'),
  \ ale#ant#FindProjectRoot(bufnr(''))

Execute(Should return root directory if called on a deeply nested source file):
  call ale#test#SetFilename('ant-test-files/ant-project/src/several/namespace/layers/A.java')

  AssertEqual
  \ ale#path#Simplify(g:dir . '/ant-test-files/ant-project'),
  \ ale#ant#FindProjectRoot(bufnr(''))

Execute(Should return empty string if called on a non-ant project):
  call ale#test#SetFilename('ant-test-files/non-ant-project/Main.java')

  AssertEqual
  \ '',
  \ ale#ant#FindProjectRoot(bufnr(''))

Execute(Should return empty string if called on a file in a non-ant project):
  call ale#test#SetFilename('ant-test-files/non-ant-project/several/namespace/layers/A.java')

  AssertEqual
  \ '',
  \ ale#ant#FindProjectRoot(bufnr(''))