From c310080359189b6b880a7e37170263a427026bc4 Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Tue, 21 Feb 2017 12:46:07 +0000
Subject: #314 filter both lists, and add tests to cover the list retrieval

---
 autoload/ale/loclist_jumping.vim        | 17 ++++----
 test/test_loclist_jumping_loading.vader | 74 +++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+), 8 deletions(-)
 create mode 100644 test/test_loclist_jumping_loading.vader

diff --git a/autoload/ale/loclist_jumping.vim b/autoload/ale/loclist_jumping.vim
index b4d1993f..2531cdbc 100644
--- a/autoload/ale/loclist_jumping.vim
+++ b/autoload/ale/loclist_jumping.vim
@@ -2,19 +2,20 @@
 " Description: This file implements functions for jumping around in a file
 "   based on errors and warnings in the loclist or quickfix list.
 
-function! s:GetCurrentList() abort
+function! s:GetCurrentList()  abort
+    let l:buffer = bufnr('%')
+    let l:list = []
+
     if g:ale_set_loclist
-        return getloclist(winnr())
+        let l:list = getloclist(winnr())
     elseif g:ale_set_quickfix
-        let l:buffer = bufnr('%')
-
-        return filter(getqflist(), 'get(v:val, ''bufnr'', -1) == ' . l:buffer)
+        let l:list = getqflist()
     endif
 
-    return []
+    return filter(l:list, 'get(v:val, ''bufnr'', -1) == ' . l:buffer)
 endfunction
 
-function! s:GetSortedLoclist() abort
+function! ale#loclist_jumping#GetSortedList() abort
     let l:loclist = []
 
     for l:item in s:GetCurrentList()
@@ -41,7 +42,7 @@ endfunction
 " List will be returned, otherwise a pair of [line_number, column_number] will
 " be returned.
 function! ale#loclist_jumping#FindNearest(direction, wrap) abort
-    let l:loclist = s:GetSortedLoclist()
+    let l:loclist = ale#loclist_jumping#GetSortedList()
 
     if empty(l:loclist)
         " We couldn't find anything, so stop here.
diff --git a/test/test_loclist_jumping_loading.vader b/test/test_loclist_jumping_loading.vader
new file mode 100644
index 00000000..06ae3742
--- /dev/null
+++ b/test/test_loclist_jumping_loading.vader
@@ -0,0 +1,74 @@
+Before:
+  let g:buffer = bufnr('%')
+
+  function! GetList() abort
+    return map(
+    \ ale#loclist_jumping#GetSortedList(),
+    \ '{''lnum'': v:val.lnum, ''col'': v:val.col, ''text'': v:val.text}'
+    \)
+  endfunction
+
+After:
+  unlet! g:buffer
+  unlet! g:new_buffer
+  let g:ale_set_loclist = 1
+  let g:ale_set_quickfix = 0
+  call setloclist(winnr(), [])
+  call setqflist([])
+  delfunction GetList
+
+Execute(The loclist should be filtered and sorted appropriately for jumping):
+  :new
+
+  let g:new_buffer = bufnr('%')
+
+  AssertNotEqual g:new_buffer, g:buffer
+
+  call setloclist(winnr(), [
+  \ {'lnum': 1, 'col': 1, 'text': 'ignore this', 'bufnr': g:buffer},
+  \ {'lnum': 20, 'col': 5, 'text': 'baz', 'bufnr': g:new_buffer},
+  \ {'lnum': 10, 'col': 6, 'text': 'bar', 'bufnr': g:new_buffer},
+  \ {'lnum': 10, 'col': 5, 'text': 'foo', 'bufnr': g:new_buffer},
+  \])
+
+  AssertEqual
+  \ [
+  \   {'lnum': 10, 'col': 5, 'text': 'foo'},
+  \   {'lnum': 10, 'col': 6, 'text': 'bar'},
+  \   {'lnum': 20, 'col': 5, 'text': 'baz'},
+  \ ],
+  \ GetList()
+
+Execute(quickfix should be filtered and sorted appropriately for jumping):
+  let g:ale_set_loclist = 0
+  let g:ale_set_quickfix = 1
+
+  :new
+
+  let g:new_buffer = bufnr('%')
+
+  AssertNotEqual g:new_buffer, g:buffer
+
+  call setqflist([
+  \ {'lnum': 1, 'col': 1, 'text': 'ignore this', 'bufnr': g:buffer},
+  \ {'lnum': 20, 'col': 5, 'text': 'baz', 'bufnr': g:new_buffer},
+  \ {'lnum': 10, 'col': 6, 'text': 'bar', 'bufnr': g:new_buffer},
+  \ {'lnum': 10, 'col': 5, 'text': 'foo', 'bufnr': g:new_buffer},
+  \])
+
+  AssertEqual
+  \ [
+  \   {'lnum': 10, 'col': 5, 'text': 'foo'},
+  \   {'lnum': 10, 'col': 6, 'text': 'bar'},
+  \   {'lnum': 20, 'col': 5, 'text': 'baz'},
+  \ ],
+  \ GetList()
+
+Execute(An empty List should be returned when both lists are turned off):
+  let g:ale_set_loclist = 0
+  let g:ale_set_quickfix = 0
+
+  call setqflist([{'lnum': 1, 'col': 1, 'text': 'foo', 'bufnr': bufnr('%')}])
+  call setloclist(winnr(), [{'lnum': 1, 'col': 1, 'text': 'foo', 'bufnr': bufnr('%')}])
+
+  AssertEqual [], GetList()
-- 
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