--- /dev/null
+Before:
+ let g:ale_floating_preview = 0
+ let g:ale_hover_to_floating_preview = 0
+ let g:ale_detail_to_floating_preview = 0
+
+ runtime autoload/ale/floating_preview.vim
+
+ let g:floated_lines = []
+ let g:floating_preview_show_called = 0
+
+ " Stub out so we can track the call
+ function! ale#floating_preview#Show(lines, ...) abort
+ let g:floating_preview_show_called = 1
+ let g:floated_lines = a:lines
+ return win_getid()
+ endfunction
+
+ let g:ale_buffer_info = {
+ \ bufnr('%'): {
+ \ 'loclist': [
+ \ {
+ \ 'lnum': 1,
+ \ 'col': 10,
+ \ 'bufnr': bufnr('%'),
+ \ 'vcol': 0,
+ \ 'linter_name': 'notalinter',
+ \ 'nr': -1,
+ \ 'type': 'E',
+ \ 'code': 'semi',
+ \ 'text': "Missing semicolon.\r",
+ \ 'detail': "Every statement should end with a semicolon\nsecond line",
+ \ },
+ \ ],
+ \ }
+ \}
+
+ call ale#linter#Reset()
+ call ale#linter#PreventLoading('javascript')
+
+After:
+ Restore
+
+ let g:ale_floating_preview = 0
+ let g:ale_hover_to_floating_preview = 0
+ let g:ale_detail_to_floating_preview = 0
+
+ call cursor(1, 1)
+
+ let g:ale_buffer_info = {}
+
+ " Close the preview window if it's open.
+ if &filetype is# 'ale-preview'
+ noautocmd :q!
+ endif
+
+ call ale#linter#Reset()
+
+
+Given javascript(A file with warnings/errors):
+ var x = 3 + 12345678
+ var x = 5*2 + parseInt("10");
+ // comment
+
+Execute(Floating preview is used with ALEDetail when g:ale_floating_preview set):
+ let g:ale_floating_preview = 1
+
+ call cursor(1, 10)
+
+ ALEDetail
+
+ let expected = ["Every statement should end with a semicolon", "second line"]
+
+ AssertEqual 1, g:floating_preview_show_called
+ AssertEqual expected, g:floated_lines
+
+Execute(Floating preview is used with ALEDetail when g:ale_detail_to_floating_preview set):
+ let g:ale_detail_to_floating_preview = 1
+
+ call cursor(1, 10)
+
+ ALEDetail
+
+ let expected = ["Every statement should end with a semicolon", "second line"]
+
+ AssertEqual 1, g:floating_preview_show_called
+ AssertEqual expected, g:floated_lines
+
+Execute(Floating preview is not used with ALEDetail by default):
+ call cursor(1, 10)
+
+ ALEDetail
+
+ AssertEqual 0, g:floating_preview_show_called