Before:
  Save g:ale_linters
  Save g:ale_linters_explicit

  let g:ale_linters_explicit = 0
  let g:ale_linters = {}

  function! GetLinterNames(filetype) abort
    return map(ale#linter#Get(a:filetype), 'v:val.name')
  endfunction

After:
  Restore

  call ale#linter#Reset()

Execute(The defaults for the csh filetype should be correct):
  AssertEqual ['shell'], GetLinterNames('csh')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('csh')

Execute(The defaults for the go filetype should be correct):
  AssertEqual ['gofmt', 'golint', 'go vet'], GetLinterNames('go')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('go')

Execute(The defaults for the help filetype should be correct):
  AssertEqual [], GetLinterNames('help')

Execute(The defaults for the python filetype should be correct):
  AssertEqual ['flake8', 'mypy', 'pylint'], GetLinterNames('python')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('python')

Execute(The defaults for the rust filetype should be correct):
  AssertEqual ['cargo'], GetLinterNames('rust')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('rust')

Execute(The defaults for the spec filetype should be correct):
  AssertEqual [], GetLinterNames('spec')

Execute(The defaults for the text filetype should be correct):
  AssertEqual [], GetLinterNames('text')

Execute(The defaults for the zsh filetype should be correct):
  AssertEqual ['shell'], GetLinterNames('zsh')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('zsh')

Execute(The defaults for the verilog filetype should be correct):
  " This filetype isn't configured with default, so we can test loading all
  " available linters with this.
  AssertEqual ['iverilog', 'verilator'], GetLinterNames('verilog')

  let g:ale_linters_explicit = 1

  AssertEqual [], GetLinterNames('verilog')