def test_alt():
x = aida.Const('Alice')
other_names = aida.Choices('Bob', 'Chris', seed=42)
ctx = aida.Ctx()
alt = aida.create_alt(x, other_names)
assert aida.render(alt, ctx) == 'Alice'
assert aida.render(alt, ctx) == 'Bob'
def test_in_ctx():
ctx = aida.Ctx()
k = aida.Const('Alice')
branch = aida.Branch(k.in_ctx(), 'yes', 'no')
assert aida.render(branch, ctx=ctx) == 'no'
k.render(ctx)
assert aida.render(branch, ctx=ctx) == 'yes'
def test_arithmetic():
ctx = aida.Ctx()
x = aida.Var('x')
cond = (x + 1) > 2
x.assign(2)
assert cast(Operation, cond.value).render(ctx)
x.assign(1)
assert not cast(Operation, cond.value).render(ctx)
def test_sentence_ctx():
ref = aida.create_ref('Geralt of Rivia', 'Geralt')
sentence = aida.Empty + 'Toss a coin to' | ref + '.'
ctx = aida.Ctx()
assert aida.render(sentence, ctx=ctx) == 'Toss a coin to Geralt of Rivia.'
assert aida.render(sentence, ctx=ctx) == 'Toss a coin to Geralt.'
assert aida.render(sentence, ctx=ctx) == 'Toss a coin to Geralt.'
sentence2 = ref | 'is nice.'
assert aida.render(sentence2, ctx=ctx) == 'Geralt is nice.'
def test_concat():
x = aida.Var('name')
x.assign('Alice')
sent = aida.Const('good')
ctx = aida.Ctx()
node = x | 'is a' | sent | 'person.'
assert aida.render(node, ctx) == 'Alice is a good person.'
x.assign('Bob')
assert aida.render(node, ctx) == 'Bob is a good person.'