Add tests to lacheck linter

ale_linters/tex/lacheck.vim

@@ -21,7 +21,7 @@ function! ale_linters#tex#lacheck#Handle(buffer, lines) abort
 
         " lacheck follows `\input{}` commands. We are only interested in
         " reporting errors for the current buffer only.
-        if empty(matchstr(fnamemodify(l:match[1], ':t'), bufname(a:buffer)))
+        if empty(matchstr(fnamemodify(l:match[1], ':t'), fnamemodify(bufname(a:buffer), ':t')))
             continue
         endif
 

test/command_callback/test_tex_lacheck_command_callback.vader

@@ -0,0 +1,13 @@
+Before:
+  call ale#assert#SetUpLinterTest('tex', 'lacheck')
+
+After:
+  call ale#assert#TearDownLinterTest()
+
+Execute(Executable should default to lacheck):
+  AssertLinter 'lacheck', ale#Escape('lacheck') . ' %t'
+
+Execute(Should be able to set a custom executable):
+  let g:ale_tex_lacheck_executable = 'bin/foo'
+
+  AssertLinter 'bin/foo' , ale#Escape('bin/foo') . ' %t'

test/handler/test_lacheck_handler.vader

@@ -0,0 +1,36 @@
+Before:
+  runtime ale_linters/tex/lacheck.vim
+  call ale#test#SetDirectory('/testplugin/test')
+
+After:
+  call ale#linter#Reset()
+  call ale#test#RestoreDirectory()
+
+Execute(The lacheck handler should parse lines correctly):
+
+  call ale#test#SetFilename('command_callback/tex_paths/sample1.tex')
+
+  AssertEqual
+  \ [
+  \   {
+  \     'lnum': 1,
+  \     'type': 'W',
+  \     'text': 'perhaps you should insert a `~'' before "\ref"'
+  \   }
+  \ ],
+  \ ale_linters#tex#lacheck#Handle(bufnr(''), [
+  \ "** sample1:",
+  \ "\"sample1.tex\", line 1: perhaps you should insert a `~' before \"\\ref\""
+  \ ])
+
+Execute(The lacheck handler should ignore errors from input files):
+
+  call ale#test#SetFilename('ale_test.tex')
+
+  AssertEqual
+  \ [
+  \ ],
+  \ ale_linters#tex#lacheck#Handle(255, [
+  \ "** ale_input:",
+  \ "\"ale_input.tex\", line 1: perhaps you should insert a `~' before \"\\ref\""
+  \ ])