From 3ca70cb841aa352eef56545e72188d0420cfa3f2 Mon Sep 17 00:00:00 2001
From: w0rp <devw0rp@gmail.com>
Date: Thu, 18 May 2017 09:27:18 +0100
Subject: Add a check to make tests fail less

---
 autoload/ale/history.vim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/autoload/ale/history.vim b/autoload/ale/history.vim
index 78703be1..0356c022 100644
--- a/autoload/ale/history.vim
+++ b/autoload/ale/history.vim
@@ -26,6 +26,11 @@ function! ale#history#Add(buffer, status, job_id, command) abort
 endfunction
 
 function! s:FindHistoryItem(buffer, job_id) abort
+    " Stop immediately if there's nothing set up for the buffer.
+    if !has_key(g:ale_buffer_info, a:buffer)
+        return {}
+    endif
+
     " Search backwards to find a matching job ID. IDs might be recycled,
     " so finding the last one should be good enough.
     for l:obj in reverse(g:ale_buffer_info[a:buffer].history[:])
-- 
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