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"})))
def test_value(self):
constr = Constructor.text("test")
constr2 = Constructor.variable("name")
add = constr + constr2
res = add.build(Context({"name":"test"}))
self.assertEqual(res, "test test")
def test_cycle(self):
ref = (Constructor.variable("var") + Constructor.text("test")).define("refname", "level")
sep = Constructor.text(";")
cycle = Constructor.cycle(ref, sep)
level = [
Context({"var":"test1"}),
Context({"var":"test2"}),
Context({"var":"test3"}),
Context({"var":"test4"}),
Context({"var":"test5"}),
]
res = cycle.build(Context({"level":level}))
self.assertEqual(res, "test1 test ; test2 test ; test3 test ; test4 test ; test5 test")
level = [
Context({"var":"test1"}),
Context(),
]
self.assertRaises(BuildError, cycle.build, Context({"level":level}))