1 files changed, 141 insertions, 0 deletions
diff --git a/test/functional/lua/runtime_spec.lua b/test/functional/lua/runtime_spec.lua
new file mode 100644
index 0000000000..e9c34c9228
--- /dev/null
+++ b/test/functional/lua/runtime_spec.lua
@@ -0,0 +1,141 @@
+local helpers = require('test.functional.helpers')(after_each)
+
+local clear = helpers.clear
+local eq = helpers.eq
+local eval = helpers.eval
+local exec = helpers.exec
+local mkdir_p = helpers.mkdir_p
+local rmdir = helpers.rmdir
+local write_file = helpers.write_file
+
+describe('runtime:', function()
+  local plug_dir = 'Test_Plugin'
+  local sep = helpers.get_pathsep()
+  local init = 'dummy_init.lua'
+
+  setup(function()
+    io.open(init, 'w'):close()  --  touch init file
+    clear{args = {'-u', init}}
+    exec('set rtp+=' .. plug_dir)
+  end)
+
+  teardown(function()
+    os.remove(init)
+  end)
+
+  before_each(function()
+    mkdir_p(plug_dir)
+  end)
+
+  after_each(function()
+    rmdir(plug_dir)
+  end)
+
+  describe('colors', function()
+    local colorscheme_folder = plug_dir .. sep .. 'colors'
+
+    it('loads lua colorscheme', function()
+      local colorscheme_file = colorscheme_folder .. sep .. 'new_colorscheme.lua'
+      mkdir_p(colorscheme_folder)
+      write_file(colorscheme_file, [[vim.g.lua_colorscheme = 1]])
+
+      exec('colorscheme new_colorscheme')
+
+      eq(1, eval('g:lua_colorscheme'))
+      rmdir(colorscheme_folder)
+    end)
+
+    it('loads vim colorscheme when both lua and vim version exist', function()
+      local colorscheme_file = colorscheme_folder .. sep .. 'new_colorscheme'
+      mkdir_p(colorscheme_folder)
+      write_file(colorscheme_file..'.vim', [[let g:colorscheme = 'vim']])
+      write_file(colorscheme_file..'.lua', [[vim.g.colorscheme = 'lua']])
+
+      exec('colorscheme new_colorscheme')
+
+      eq('vim', eval('g:colorscheme'))
+      rmdir(colorscheme_folder)
+    end)
+  end)
+
+  describe('compiler', function()
+    local compiler_folder = plug_dir .. sep .. 'compiler'
+
+    it('loads lua compilers', function()
+      local compiler_file = compiler_folder .. sep .. 'new_compiler.lua'
+      mkdir_p(compiler_folder)
+      write_file(compiler_file, [[vim.g.lua_compiler = 1]])
+
+      exec('compiler new_compiler')
+
+      eq(1, eval('g:lua_compiler'))
+      rmdir(compiler_folder)
+    end)
+
+    it('loads vim compilers when both lua and vim version exist', function()
+      local compiler_file = compiler_folder .. sep .. 'new_compiler'
+      mkdir_p(compiler_folder)
+      write_file(compiler_file..'.vim', [[let g:compiler = 'vim']])
+      write_file(compiler_file..'.lua', [[vim.g.compiler = 'lua']])
+
+      exec('compiler new_compiler')
+
+      eq('vim', eval('g:compiler'))
+      rmdir(compiler_folder)
+    end)
+  end)
+
+  describe('ftplugin', function()
+    local ftplugin_folder = table.concat({plug_dir, 'ftplugin'}, sep)
+
+    it('loads lua ftplugins', function()
+      local ftplugin_file = table.concat({ftplugin_folder , 'new-ft.lua'}, sep)
+      mkdir_p(ftplugin_folder)
+      write_file(ftplugin_file , [[vim.g.lua_ftplugin = 1]])
+
+      exec [[set filetype=new-ft]]
+      eq(1, eval('g:lua_ftplugin'))
+      rmdir(ftplugin_folder)
+    end)
+  end)
+
+  describe('indent', function()
+    local indent_folder = table.concat({plug_dir, 'indent'}, sep)
+
+    it('loads lua indents', function()
+      local indent_file = table.concat({indent_folder , 'new-ft.lua'}, sep)
+      mkdir_p(indent_folder)
+      write_file(indent_file , [[vim.g.lua_indent = 1]])
+
+      exec [[set filetype=new-ft]]
+      eq(1, eval('g:lua_indent'))
+      rmdir(indent_folder)
+    end)
+  end)
+
+  describe('syntax', function()
+    local syntax_folder = table.concat({plug_dir, 'syntax'}, sep)
+
+    it('loads lua syntaxes on filetype change', function()
+      local syntax_file = table.concat({syntax_folder , 'my-lang.lua'}, sep)
+      mkdir_p(syntax_folder)
+      write_file(syntax_file , [[vim.g.lua_syntax = 1]])
+
+      exec('set filetype=my-lang')
+      eq(1, eval('g:lua_syntax'))
+      rmdir(syntax_folder)
+    end)
+
+    it('loads lua syntaxes on syntax change', function()
+      local syntax_file = table.concat({syntax_folder , 'my-lang.lua'}, sep)
+      mkdir_p(syntax_folder)
+      write_file(syntax_file , [[vim.g.lua_syntax = 5]])
+
+      exec('set syntax=my-lang')
+      eq(5, eval('g:lua_syntax'))
+      rmdir(syntax_folder)
+    end)
+  end)
+
+end)
+