def test_alter_skip(self):
var = Constructor.variable("name")
var2 = Constructor.variable("name2")
var_or_text = Constructor.alter(True, var, var2)
self.assertEqual("", var_or_text.build())
self.assertEqual("test", var_or_text.build(Context({"name2":"test"})))
def test_alter_noskip(self):
text = Constructor.text("test")
var = Constructor.variable("name")
var2 = Constructor.variable("name2")
var_or_text = Constructor.alter(False, var, var2, text)
res = var_or_text.build()
self.assertEqual(res, "test")
res = var_or_text.build(Context({"name":"}{}{}{"}))
self.assertEqual(res, "}{}{}{")
var_or_text = Constructor.alter(False, var, var2)
self.assertRaises(BuildError, var_or_text.build)
self.assertEqual("test", var_or_text.build(Context({"name2":"test"})))
