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import pytest
from baron import parse
from baron.render import render, node_types, nodes_rendering_order, RenderWalker
@pytest.fixture(params=nodes_rendering_order.keys())
def dictionnary_node(request):
return nodes_rendering_order[request.param]
def test_render_crap():
with pytest.raises(NotImplementedError):
render("crap")
def test_dictionnary_key_validity(dictionnary_node):
for key_type, _, _ in dictionnary_node:
assert key_type in node_types
def test_dictionnary_dependent_validity(dictionnary_node):
keys = set([t[1] for t in dictionnary_node])
for key_type, _, dependent in dictionnary_node:
assert isinstance(dependent, bool) \
or (isinstance(dependent, str) and dependent in keys) \
or (isinstance(dependent, list) and all([d in keys for d in dependent]))
if key_type == 'bool':
assert dependent is False
def test_render_dictionnary_bad_type():
nodes_rendering_order['bad_type'] = [('wtf', 'hello', True)]
with pytest.raises(NotImplementedError) as e:
list(render({'type': 'bad_type'}))
assert str(e.value) == "Unknown key type \"wtf\" in \"bad_type\" node"
def test_render_dictionnary_bad_bool_dependency():
nodes_rendering_order['bad_bool_dependency'] = [('bool', True, True)]
with pytest.raises(NotImplementedError) as e:
list(render({'type': 'bad_bool_dependency'}))
assert str(e.value) == "Bool keys are only used for dependency, they cannot be rendered. Please set the \"('bool', True, True)\"'s dependent key in \"bad_bool_dependency\" node to False"
def test_render_dictionnary_bad_bool_dependency2():
nodes_rendering_order['bad_bool_dependency2'] = [('bool', False, 'other_key')]
with pytest.raises(NotImplementedError) as e:
list(render({'type': 'bad_bool_dependency2'}))
assert str(e.value) == "Bool keys are only used for dependency, they cannot be rendered. Please set the \"('bool', False, 'other_key')\"'s dependent key in \"bad_bool_dependency2\" node to False"
class RenderWalkerTester(RenderWalker):
def __init__(self, steps):
super(RenderWalkerTester, self).__init__(strict=True)
self.steps = steps
def before(self, *args):
super(RenderWalkerTester, self).before(*args)
return self.process_test('>', *args)
def after(self, *args):
stop = self.process_test('<', *args)
super(RenderWalkerTester, self).after(*args)
return stop
def process_test(self, direction, node_type, node, render_key):
_direction, _node_type, _node, _render_key, _stop = self.steps.pop(0)
target = (_direction, _node_type, _node, _render_key)
if node_type in ['constant', 'string']:
assert target == (direction, node_type, node, render_key)
elif "type" in node:
assert target == (direction, node_type, node["type"], render_key)
else:
assert target == (direction, node_type, node.__class__.__name__, render_key)
return _stop
# flake8: noqa
def test_walk_stop():
node = parse("a = 1")
walker = RenderWalkerTester([
('>', 'node', 'assignment', 0, False),
('>', 'key', 'name', 'target', False),
('>', 'string', 'a', 'value', True),
('<', 'key', 'name', 'target', False),
('<', 'node', 'assignment', 0, False),
])
walker.walk(node)
def test_walk_assignment():
node = parse("a = 1")
walker = RenderWalkerTester([
('>', 'node', 'assignment', 0, False),
('>', 'key', 'name', 'target', False),
('>', 'string', 'a', 'value', False),
('<', 'string', 'a', 'value', False),
('<', 'key', 'name', 'target', False),
('>', 'formatting', 'list', 'first_formatting', False),
('>', 'node', 'space', 0, False),
('>', 'string', ' ', 'value', False),
('<', 'string', ' ', 'value', False),
('<', 'node', 'space', 0, False),
('<', 'formatting', 'list', 'first_formatting', False),
('>', 'constant', '=', '=', False),
('<', 'constant', '=', '=', False),
('>', 'formatting', 'list', 'second_formatting', False),
('>', 'node', 'space', 0, False),
('>', 'string', ' ', 'value', False),
('<', 'string', ' ', 'value', False),
('<', 'node', 'space', 0, False),
('<', 'formatting', 'list', 'second_formatting', False),
('>', 'key', 'int', 'value', False),
('>', 'string', '1', 'value', False),
('<', 'string', '1', 'value', False),
('<', 'key', 'int', 'value', False),
('<', 'node', 'assignment', 0, False),
])
walker.walk(node)
def test_walk_funcdef_with_leading_space():
node = parse("""\
@deco
def fun(arg1):
pass
""")
walker = RenderWalkerTester([
('>', 'node', 'endl', 0, False),
('>', 'formatting', 'list', 'formatting', False),
('<', 'formatting', 'list', 'formatting', False),
('>', 'string', '\n', 'value', False),
('<', 'string', '\n', 'value', False),
('>', 'string', '', 'indent', False),
('<', 'string', '', 'indent', False),
('<', 'node', 'endl', 0, False),
('>', 'node', 'def', 1, False),
('>', 'list', 'list', 'decorators', False),
('>', 'node', 'decorator', 0, False),
('>', 'constant', '@', '@', False),
('<', 'constant', '@', '@', False),
('>', 'key', 'dotted_name', 'value', False),
('>', 'list', 'list', 'value', False),
('>', 'node', 'name', 0, False),
('>', 'string', 'deco', 'value', False),
('<', 'string', 'deco', 'value', False),
('<', 'node', 'name', 0, False),
('<', 'list', 'list', 'value', False),
('<', 'key', 'dotted_name', 'value', False),
('<', 'node', 'decorator', 0, False),
('>', 'node', 'endl', 1, False),
('>', 'formatting', 'list', 'formatting', False),
('<', 'formatting', 'list', 'formatting', False),
('>', 'string', '\n', 'value', False),
('<', 'string', '\n', 'value', False),
('>', 'string', '', 'indent', False),
('<', 'string', '', 'indent', False),
('<', 'node', 'endl', 1, False),
('<', 'list', 'list', 'decorators', False),
('>', 'constant', 'def', 'def', False),
('<', 'constant', 'def', 'def', False),
('>', 'formatting', 'list', 'first_formatting', False),
('>', 'node', 'space', 0, False),
('>', 'string', ' ', 'value', False),
('<', 'string', ' ', 'value', False),
('<', 'node', 'space', 0, False),
('<', 'formatting', 'list', 'first_formatting', False),
('>', 'string', 'fun', 'name', False),
('<', 'string', 'fun', 'name', False),
('>', 'formatting', 'list', 'second_formatting', False),
('<', 'formatting', 'list', 'second_formatting', False),
('>', 'constant', '(', '(', False),
('<', 'constant', '(', '(', False),
('>', 'formatting', 'list', 'third_formatting', False),
('<', 'formatting', 'list', 'third_formatting', False),
('>', 'list', 'list', 'arguments', False),
('>', 'node', 'def_argument', 0, False),
('>', 'key', 'name', 'target', False),
('>', 'string', 'arg1', 'value', False),
('<', 'string', 'arg1', 'value', False),
('<', 'key', 'name', 'target', False),
('<', 'node', 'def_argument', 0, False),
('<', 'list', 'list', 'arguments', False),
('>', 'formatting', 'list', 'fourth_formatting', False),
('<', 'formatting', 'list', 'fourth_formatting', False),
('>', 'constant', ')', ')', False),
('<', 'constant', ')', ')', False),
('>', 'formatting', 'list', 'fifth_formatting', False),
('<', 'formatting', 'list', 'fifth_formatting', False),
('>', 'constant', ':', ':', False),
('<', 'constant', ':', ':', False),
('>', 'formatting', 'list', 'sixth_formatting', False),
('<', 'formatting', 'list', 'sixth_formatting', False),
('>', 'list', 'list', 'value', False),
('>', 'node', 'endl', 0, False),
('>', 'formatting', 'list', 'formatting', False),
('<', 'formatting', 'list', 'formatting', False),
('>', 'string', '\n', 'value', False),
('<', 'string', '\n', 'value', False),
('>', 'string', ' ', 'indent', False),
('<', 'string', ' ', 'indent', False),
('<', 'node', 'endl', 0, False),
('>', 'node', 'pass', 1, False),
('>', 'string', 'pass', 'type', False),
('<', 'string', 'pass', 'type', False),
('<', 'node', 'pass', 1, False),
('>', 'node', 'endl', 2, False),
('>', 'formatting', 'list', 'formatting', False),
('<', 'formatting', 'list', 'formatting', False),
('>', 'string', '\n', 'value', False),
('<', 'string', '\n', 'value', False),
('>', 'string', '', 'indent', False),
('<', 'string', '', 'indent', False),
('<', 'node', 'endl', 2, False),
('<', 'list', 'list', 'value', False),
('<', 'node', 'def', 1, False),
])
walker.walk(node)
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