Before:
  Save g:ale_thrift_thrift_executable
  Save g:ale_thrift_thrift_generators
  Save g:ale_thrift_thrift_includes
  Save g:ale_thrift_thrift_options

  unlet! b:ale_thrift_thrift_executable
  unlet! b:ale_thrift_thrift_generators
  unlet! b:ale_thrift_thrift_includes
  unlet! b:ale_thrift_thrift_options

  function! GetCommand(buffer) abort
    call ale#engine#InitBufferInfo(a:buffer)
    let l:result = ale_linters#thrift#thrift#GetCommand(a:buffer)
    call ale#engine#Cleanup(a:buffer)
    return l:result
  endfunction

  runtime ale_linters/thrift/thrift.vim

After:
  Restore
  delfunction GetCommand
  unlet! b:ale_thrift_thrift_executable
  unlet! b:ale_thrift_thrift_generators
  unlet! b:ale_thrift_thrift_includes
  unlet! b:ale_thrift_thrift_options
  call ale#linter#Reset()

Execute(The executable should be configurable):
  AssertEqual 'thrift', ale_linters#thrift#thrift#GetExecutable(bufnr(''))

  let b:ale_thrift_thrift_executable = 'foobar'
  AssertEqual 'foobar', ale_linters#thrift#thrift#GetExecutable(bufnr(''))

Execute(The executable should be used in the command):
  Assert GetCommand(bufnr('%')) =~# "^'thrift'"

  let b:ale_thrift_thrift_executable = 'foobar'
  Assert GetCommand(bufnr('%')) =~# "^'foobar'"

Execute(The list of generators should be configurable):
  Assert GetCommand(bufnr('%')) =~# '--gen cpp'

  let b:ale_thrift_thrift_generators = ['java', 'py:dynamic']
  Assert GetCommand(bufnr('%')) =~# '--gen java --gen py:dynamic'

  let b:ale_thrift_thrift_generators = []
  Assert GetCommand(bufnr('%')) =~# '--gen cpp'

Execute(The list of include paths should be configurable):
  Assert GetCommand(bufnr('%')) !~# '-I'

  let b:ale_thrift_thrift_includes = ['included/path']
  Assert GetCommand(bufnr('%')) =~# '-I included/path'

Execute(The string of compiler options should be configurable):
  Assert GetCommand(bufnr('%')) =~# '-strict'

  let b:ale_thrift_thrift_options = '-strict --allow-64bit-consts'
  Assert GetCommand(bufnr('%')) =~# '-strict --allow-64bit-consts'