Before:
  let g:testlinter1 = {'name': 'testlinter1', 'executable': 'testlinter1', 'command': 'testlinter1', 'callback': 'testCB1', 'output_stream': 'stdout'}
  let g:testlinter2 = {'name': 'testlinter2', 'executable': 'testlinter2', 'command': 'testlinter2', 'callback': 'testCB2', 'output_stream': 'stdout'}

  call ale#linter#Reset()
  let g:ale_linters = {}
  let g:ale_linter_aliases = {}

After:
  unlet! g:output

Given nolintersft (Empty buffer with no linters):
Execute (ALEInfo with no linters should return the right output):
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: nolintersft\n
              \Available Linters: []\n
              \  Enabled Linters: []", g:output

Given (Empty buffer with no filetype):
Execute (ALEInfo with no filetype should return the right output):
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: \n
              \Available Linters: []\n
              \  Enabled Linters: []", g:output

Given testft (Empty buffer):
Execute (ALEInfo with a single linter should return the right output):
  call ale#linter#Define('testft', g:testlinter1)
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: testft\n
              \Available Linters: ['testlinter1']\n
              \  Enabled Linters: ['testlinter1']", g:output

Given testft (Empty buffer):
Execute (ALEInfo with two linters should return the right output):
  call ale#linter#Define('testft', g:testlinter1)
  call ale#linter#Define('testft', g:testlinter2)
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: testft\n
              \Available Linters: ['testlinter1', 'testlinter2']\n
              \  Enabled Linters: ['testlinter1', 'testlinter2']", g:output

Given testft (Empty buffer):
Execute (ALEInfo should calculate enabled linters correctly):
  call ale#linter#Define('testft', g:testlinter1)
  call ale#linter#Define('testft', g:testlinter2)
  let g:ale_linters = { 'testft': ['testlinter2'] }
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: testft\n
              \Available Linters: ['testlinter1', 'testlinter2']\n
              \  Enabled Linters: ['testlinter2']", g:output

Given testft (Empty buffer):
Execute (ALEInfo should only return linters for current filetype):
  call ale#linter#Define('testft', g:testlinter1)
  call ale#linter#Define('testft2', g:testlinter2)
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: testft\n
              \Available Linters: ['testlinter1']\n
              \  Enabled Linters: ['testlinter1']", g:output

Given testft.testft2 (Empty buffer with two filetypes):
Execute (ALEInfo with compound filetypes should return linters for both of them):
  call ale#linter#Define('testft', g:testlinter1)
  call ale#linter#Define('testft2', g:testlinter2)
  redir => g:output
  silent ALEInfo
  redir END
  AssertEqual "\n
              \ Current Filetype: testft.testft2\n
              \Available Linters: ['testlinter1', 'testlinter2']\n
              \  Enabled Linters: ['testlinter1', 'testlinter2']", g:output