api/options: fixup

test/functional/api/vim_spec.lua

@@ -1921,4 +1921,57 @@ describe('API', function()
       eq({}, meths.get_runtime_file("foobarlang/", true))
     end)
   end)
+
+  describe('nvim_get_options_info', function()
+    it('should have key value pairs of option names', function()
+      local options_info = meths.get_options_info()
+      neq(nil, options_info.listchars)
+      neq(nil, options_info.tabstop)
+    end)
+  end)
+
+  describe('nvim_get_option_info', function()
+    it('should error for unknown options', function()
+      eq("no such option: 'bogus'",
+        pcall_err(meths.get_option_info, 'bogus'))
+    end)
+
+    it('should return the same options for short and long name', function()
+      eq(
+        meths.get_option_info('winhl'),
+        meths.get_option_info('winhighlight')
+      )
+    end)
+
+    it('should have information about window options', function()
+      local winhl_info = meths.get_option_info('winhl')
+      eq(true, winhl_info.win)
+      eq(false, winhl_info.buf)
+      eq('string', winhl_info.type)
+      eq('winhighlight', winhl_info.name)
+      eq('winhl', winhl_info.shortname)
+      eq('', winhl_info.default)
+    end)
+
+    it('should have information about buffer options', function()
+      local filetype_info = meths.get_option_info('filetype')
+      eq(false, filetype_info.win)
+      eq(true, filetype_info.buf)
+      eq('string', filetype_info.type)
+      eq('filetype', filetype_info.name)
+      eq('ft', filetype_info.shortname)
+      eq('', filetype_info.default)
+    end)
+
+    it('should have information about global options', function()
+      local showcmd_info = meths.get_option_info('showcmd')
+      eq(false, showcmd_info.win)
+      eq(false, showcmd_info.buf)
+      eq(false, showcmd_info.global_local)
+      eq('boolean', showcmd_info.type)
+      eq('showcmd', showcmd_info.name)
+      eq('sc', showcmd_info.shortname)
+      eq(true, showcmd_info.default)
+    end)
+  end)
 end)