Add colors test

autoload/SpaceVim/api/color.vim

@@ -54,8 +54,20 @@ let s:self._color_map = {
     \ '250': '#bcbcbc', '251': '#c6c6c6', '252': '#d0d0d0', '253': '#dadada', '254': '#e4e4e4',
     \ '255': '#eeeeee', 'fg': 'fg', 'bg': 'bg', 'NONE': 'NONE' }
 
+let s:self._deps = SpaceVim#api#import('data#dict')
+function! s:self.nr2str(nr) abort
+  return get(self._color_map, a:nr, '')
+endfunction
 
 
+function! s:self.str2nr(str) abort
+  let nr = get(self._deps.swap(self._color_map), a:str, -1)
+  if nr =~ 'fg\|bg\|NONE'
+    return nr
+  else
+    return str2nr(nr)
+  endif
+endfunction
 
 
 function! SpaceVim#api#color#get() abort

doc/SpaceVim.txt

@@ -199,7 +199,8 @@ statusline. To enable this feature:
 <
 
                                              *g:spacevim_custom_color_palette*
-Add custom color palette for statusline and tabline.
+Set the statusline/tabline palette of color, default values depends on the
+theme
 >
   let g:spacevim_custom_color_palette = [
     \ ['#282828', '#b8bb26', 246, 235],
@@ -212,6 +213,7 @@ Add custom color palette for statusline and tabline.
     \ ]
 <
 
+
                                               *g:spacevim_enable_cursorcolumn*
 Enable/Disable cursorcolumn. Default is 0, cursorcolumn will be highlighted in
 normal mode. To enable this feature:

test/api/color.vader

@@ -0,0 +1,5 @@
+Execute ( SpaceVim api color ):
+  let color = SpaceVim#api#import('color')
+  AssertEqual color.nr2str(233), '#121212'
+  AssertEqual color.str2nr('#121212'), 233
+  AssertEqual color.str2nr('bg'), 'bg'