functests: Add tests for mark dumping/reading

test/functional/shada/marks_spec.lua

@@ -0,0 +1,77 @@
+-- ShaDa marks saving/reading support
+local helpers = require('test.functional.helpers')
+local nvim, nvim_window, nvim_curwin, nvim_command, nvim_eval, eq =
+  helpers.nvim, helpers.window, helpers.curwin, helpers.command, helpers.eval,
+  helpers.eq
+
+local shada_helpers = require('test.functional.shada.helpers')
+local reset, set_additional_cmd, clear =
+  shada_helpers.reset, shada_helpers.set_additional_cmd,
+  shada_helpers.clear
+
+local nvim_current_line = function()
+  return nvim_window('get_cursor', nvim_curwin())[1]
+end
+
+describe('ShaDa support code', function()
+  testfilename = 'Xtestfile-functional-shada-marks'
+  before_each(function()
+    reset()
+    local fd = io.open(testfilename, 'w')
+    fd:write('test\n')
+    fd:write('test2\n')
+    fd:close()
+  end)
+  after_each(function()
+    clear()
+    os.remove(testfilename)
+  end)
+
+  it('is able to dump and read back global mark', function()
+    nvim_command('edit ' .. testfilename)
+    nvim_command('mark A')
+    nvim_command('2')
+    nvim_command('kB')
+    nvim_command('wviminfo')
+    reset()
+    nvim_command('rviminfo')
+    nvim_command('normal! `A')
+    eq(testfilename, nvim_eval('fnamemodify(@%, ":t")'))
+    eq(1, nvim_current_line())
+    nvim_command('normal! `B')
+    eq(2, nvim_current_line())
+  end)
+
+  it('does not read back global mark without `f0` in viminfo', function()
+    nvim_command('edit ' .. testfilename)
+    nvim_command('mark A')
+    nvim_command('2')
+    nvim_command('kB')
+    nvim_command('wviminfo')
+    set_additional_cmd('set viminfo+=f0')
+    reset()
+    nvim_command('language C')
+    nvim_command([[
+      try
+        execute "normal! `A"
+      catch
+        let exception = v:exception
+      endtry]])
+    eq('Vim(normal):E20: Mark not set', nvim('get_var', 'exception'))
+  end)
+
+  it('is able to dump and read back local mark', function()
+    nvim_command('edit ' .. testfilename)
+    nvim_command('mark a')
+    nvim_command('2')
+    nvim_command('kb')
+    nvim_command('qall')
+    reset()
+    nvim_command('edit ' .. testfilename)
+    nvim_command('normal! `a')
+    eq(testfilename, nvim_eval('fnamemodify(@%, ":t")'))
+    eq(1, nvim_current_line())
+    nvim_command('normal! `b')
+    eq(2, nvim_current_line())
+  end)
+end)