Update minimum supported NeoVim version to 0.6.0

Stop officially supporting NeoVim versions below 0.6.0, without
necessarily breaking ALE for people using older versions.

2 files changed, 48 insertions, 54 deletions

diff --git a/test/completion/test_omnifunc_completion.vader b/test/completion/test_omnifunc_completion.vader
index 1db64705..c9ecd205 100644
--- a/test/completion/test_omnifunc_completion.vader
+++ b/test/completion/test_omnifunc_completion.vader
@@ -45,7 +45,7 @@ Execute(The start position should be returned when results can be requested):
   AssertEqual 11, ale#completion#OmniFunc(1, '')
 
 Execute(The omnifunc function should return async results):
-  " Neovim 0.2.0 and 0.4.4 struggles at running these tests.
+  " Neovim struggles at running these tests.
   if !has('nvim')
     call timer_start(0, function('SetCompletionResult'))
 
diff --git a/test/test_neovim_diagnostics.vader b/test/test_neovim_diagnostics.vader
index 41997097..4cef8d35 100644
--- a/test/test_neovim_diagnostics.vader
+++ b/test/test_neovim_diagnostics.vader
@@ -2,10 +2,6 @@ Before:
   Save g:ale_use_neovim_diagnostics_api
 
   function! CollectMessages(buffer)
-    if !has('nvim-0.6')
-        return
-    endif
-
     let l:messages = []
     for l:diag in v:lua.vim.diagnostic.get(a:buffer)
         call add(l:messages, l:diag.message)
@@ -22,56 +18,54 @@ After:
 
 Execute(Should only set diagnostics belonging to the given buffer):
   if has('nvim-0.6')
+    let b:other_bufnr = bufnr('/foo/bar/baz', 1)
+    " Make sure we actually get another buffer number, or the test is invalid.
+    AssertNotEqual -1, b:other_bufnr
 
-  let b:other_bufnr = bufnr('/foo/bar/baz', 1)
-  " Make sure we actually get another buffer number, or the test is invalid.
-  AssertNotEqual -1, b:other_bufnr
-
-  let g:ale_use_neovim_diagnostics_api = 1
-
-  call ale#engine#SetResults(bufnr('%'), [
-  \  {
-  \    'lnum': 1,
-  \    'col': 10,
-  \    'bufnr': bufnr('%'),
-  \    'vcol': 0,
-  \    'linter_name': 'bettercode',
-  \    'nr': -1,
-  \    'type': 'W',
-  \    'text': 'A',
-  \  },
-  \  {
-  \    'lnum': 2,
-  \    'col': 10,
-  \    'bufnr': b:other_bufnr,
-  \    'vcol': 0,
-  \    'linter_name': 'bettercode',
-  \    'nr': -1,
-  \    'type': 'W',
-  \    'text': 'B',
-  \  },
-  \  {
-  \    'lnum': 3,
-  \    'col': 1,
-  \    'bufnr': bufnr('%'),
-  \    'vcol': 0,
-  \    'linter_name': 'bettercode',
-  \    'nr': -1,
-  \    'type': 'E',
-  \    'text': 'C',
-  \  },
-  \  {
-  \    'lnum': 4,
-  \    'col': 1,
-  \    'bufnr': b:other_bufnr,
-  \    'vcol': 0,
-  \    'linter_name': 'bettercode',
-  \    'nr': -1,
-  \    'type': 'E',
-  \    'text': 'D',
-  \  },
-  \])
+    let g:ale_use_neovim_diagnostics_api = 1
 
-  AssertEqual ["A", "C"], CollectMessages(bufnr('%'))
+    call ale#engine#SetResults(bufnr('%'), [
+    \  {
+    \    'lnum': 1,
+    \    'col': 10,
+    \    'bufnr': bufnr('%'),
+    \    'vcol': 0,
+    \    'linter_name': 'bettercode',
+    \    'nr': -1,
+    \    'type': 'W',
+    \    'text': 'A',
+    \  },
+    \  {
+    \    'lnum': 2,
+    \    'col': 10,
+    \    'bufnr': b:other_bufnr,
+    \    'vcol': 0,
+    \    'linter_name': 'bettercode',
+    \    'nr': -1,
+    \    'type': 'W',
+    \    'text': 'B',
+    \  },
+    \  {
+    \    'lnum': 3,
+    \    'col': 1,
+    \    'bufnr': bufnr('%'),
+    \    'vcol': 0,
+    \    'linter_name': 'bettercode',
+    \    'nr': -1,
+    \    'type': 'E',
+    \    'text': 'C',
+    \  },
+    \  {
+    \    'lnum': 4,
+    \    'col': 1,
+    \    'bufnr': b:other_bufnr,
+    \    'vcol': 0,
+    \    'linter_name': 'bettercode',
+    \    'nr': -1,
+    \    'type': 'E',
+    \    'text': 'D',
+    \  },
+    \])
 
+    AssertEqual ["A", "C"], CollectMessages(bufnr('%'))
   endif