Add <Plug> and default testrunner mappings

Author: nickspoons

ftplugin/omnisharptest/OmniSharp.vim

@@ -6,4 +6,19 @@ set foldlevel=2
 set foldmethod=syntax
 set signcolumn=no
 
-nnoremap <silent> <buffer> <F1> :call OmniSharp#testrunner#ToggleBanner()<CR>
+nnoremap <buffer> <Plug>(omnisharp_testrunner_togglebanner) :call OmniSharp#testrunner#ToggleBanner()<CR>
+nnoremap <buffer> <Plug>(omnisharp_testrunner_run) :call OmniSharp#testrunner#Run()<CR>
+nnoremap <buffer> <Plug>(omnisharp_testrunner_debug) :call OmniSharp#testrunner#Debug()<CR>
+nnoremap <buffer> <Plug>(omnisharp_testrunner_navigate) :call OmniSharp#testrunner#Navigate()<CR>
+
+function! s:map(mode, lhs, plug) abort
+  let l:rhs = '<Plug>(' . a:plug . ')'
+  if !hasmapto(l:rhs, substitute(a:mode, 'x', 'v', ''))
+    execute a:mode . 'map <silent> <buffer>' a:lhs l:rhs
+  endif
+endfunction
+
+call s:map('n', '<F1>', 'omnisharp_testrunner_togglebanner')
+call s:map('n', '<F5>', 'omnisharp_testrunner_run')
+call s:map('n', '<F6>', 'omnisharp_testrunner_debug')
+call s:map('n', '<CR>', 'omnisharp_testrunner_navigate')