1 files changed, 108 insertions, 0 deletions
diff --git a/test/functional/api/vim_spec.lua b/test/functional/api/vim_spec.lua
new file mode 100644
index 0000000000..6a61607d2e
--- /dev/null
+++ b/test/functional/api/vim_spec.lua
@@ -0,0 +1,108 @@
+-- Sanity checks for vim_* API calls via msgpack-rpc
+local helpers = require('test.functional.helpers')
+local clear, nvim, eq, ok = helpers.clear, helpers.nvim, helpers.eq, helpers.ok
+
+
+describe('vim_* functions', function()
+  before_each(clear)
+
+  describe('command', function()
+    it('works', function()
+      local fname = os.tmpname()
+      nvim('command', 'new')
+      nvim('command', 'edit '..fname)
+      nvim('command', 'normal itesting\napi')
+      nvim('command', 'w')
+      local f = io.open(fname)
+      ok(f ~= nil)
+      eq('testing\napi\n', f:read('*a'))
+      f:close()
+      os.remove(fname)
+    end)
+  end)
+
+  describe('eval', function()
+    it('works', function()
+      nvim('command', 'let g:v1 = "a"')
+      nvim('command', 'let g:v2 = [1, 2, {"v3": 3}]')
+      eq({v1 = 'a', v2 = {1, 2, {v3 = 3}}}, nvim('eval', 'g:'))
+    end)
+  end)
+
+  describe('strwidth', function()
+    it('works', function()
+      eq(3, nvim('strwidth', 'abc'))
+      -- 6 + (neovim)
+      -- 19 * 2 (each japanese character occupies two cells)
+      eq(44, nvim('strwidth', 'neovimのデザインかなりまともなのになってる。'))
+    end)
+  end)
+
+  describe('{get,set}_current_line', function()
+    it('works', function()
+      eq('', nvim('get_current_line'))
+      nvim('set_current_line', 'abc')
+      eq('abc', nvim('get_current_line'))
+    end)
+  end)
+
+  describe('{get,set}_var', function()
+    it('works', function()
+      nvim('set_var', 'lua', {1, 2, {['3'] = 1}})
+      eq({1, 2, {['3'] = 1}}, nvim('get_var', 'lua'))
+      eq({1, 2, {['3'] = 1}}, nvim('eval', 'g:lua'))
+    end)
+  end)
+
+  describe('{get,set}_option', function()
+    it('works', function()
+      ok(nvim('get_option', 'equalalways'))
+      nvim('set_option', 'equalalways', false)
+      ok(not nvim('get_option', 'equalalways'))
+    end)
+  end)
+
+  describe('{get,set}_current_buffer and get_buffers', function()
+    it('works', function()
+      eq(1, #nvim('get_buffers'))
+      eq(nvim('get_buffers')[1], nvim('get_current_buffer'))
+      nvim('command', 'new')
+      eq(2, #nvim('get_buffers'))
+      eq(nvim('get_buffers')[2], nvim('get_current_buffer'))
+      nvim('set_current_buffer', nvim('get_buffers')[1])
+      eq(nvim('get_buffers')[1], nvim('get_current_buffer'))
+    end)
+  end)
+
+  describe('{get,set}_current_window and get_windows', function()
+    it('works', function()
+      eq(1, #nvim('get_windows'))
+      eq(nvim('get_windows')[1], nvim('get_current_window'))
+      nvim('command', 'vsplit')
+      nvim('command', 'split')
+      eq(3, #nvim('get_windows'))
+      eq(nvim('get_windows')[1], nvim('get_current_window'))
+      nvim('set_current_window', nvim('get_windows')[2])
+      eq(nvim('get_windows')[2], nvim('get_current_window'))
+    end)
+  end)
+
+  describe('{get,set}_current_tabpage and get_tabpages', function()
+    it('works', function()
+      eq(1, #nvim('get_tabpages'))
+      eq(nvim('get_tabpages')[1], nvim('get_current_tabpage'))
+      nvim('command', 'tabnew')
+      eq(2, #nvim('get_tabpages'))
+      eq(2, #nvim('get_windows'))
+      eq(nvim('get_windows')[2], nvim('get_current_window'))
+      eq(nvim('get_tabpages')[2], nvim('get_current_tabpage'))
+      nvim('set_current_window', nvim('get_windows')[1])
+      -- Switching window also switches tabpages if necessary
+      eq(nvim('get_tabpages')[1], nvim('get_current_tabpage'))
+      eq(nvim('get_windows')[1], nvim('get_current_window'))
+      nvim('set_current_tabpage', nvim('get_tabpages')[2])
+      eq(nvim('get_tabpages')[2], nvim('get_current_tabpage'))
+      eq(nvim('get_windows')[2], nvim('get_current_window'))
+    end)
+  end)
+end)