def test_loop_unpack(): from kemmering import bind, cond, from_context, loop, tag def animals(context): return enumerate(('kitty', 'puppy', 'bunny')) def is_even(context): return context['i'] % 2 == 0 doc = tag('doc', foo=from_context('foo'))( tag('ul')( loop(('i', 'foo'), animals, tag('li', class_=cond(is_even, 'even', 'odd'))( from_context('foo')))), 'foo is ', from_context('foo'), ) with pytest.raises(ValueError): STR(doc) bound = bind(doc, {'foo': 'bar'}) assert STR(bound) == ( '<doc foo="bar"><ul>' '<li class="even">kitty</li>' '<li class="odd">puppy</li>' '<li class="even">bunny</li>' '</ul>foo is bar</doc>')
def test_loop(): from kemmering import bind, from_context, loop, tag doc = tag('doc', foo=from_context('foo'))( tag('ul')( loop('foo', 'animals', tag('li')(from_context('foo')))), 'foo is ', from_context('foo'), ) with pytest.raises(ValueError): STR(doc) bound = bind(doc, {'animals': ['kitty', 'puppy', 'bunny'], 'foo': 'bar'}) assert STR(bound) == ( '<doc foo="bar"><ul>' '<li>kitty</li><li>puppy</li><li>bunny</li>' '</ul>foo is bar</doc>')
def test_loop_unpack_not_enough(): from kemmering import bind, cond, from_context, loop, tag def animals(context): return enumerate(('kitty', 'puppy', 'bunny')) def is_even(context): return context['i'] % 2 == 0 doc = tag('doc', foo=from_context('foo'))( tag('ul')( loop(('i', 'foo', 'bar'), animals, tag('li', class_=cond(is_even, 'even', 'odd'))( from_context('foo')))), 'foo is ', from_context('foo'), ) with pytest.raises(ValueError): STR(doc) with pytest.raises(ValueError): bind(doc, {'foo': 'bar'})