def test_default_attrs(self):
self.t(
u'''
digraph g1 {
page="3,3";
graph [rotate=90];
node [shape=box, color="#0000ff"];
edge [style=dashed];
n1 -> n2 -> n3;
n3 -> n1;
}
''',
Graph(strict=None,
type=u'digraph',
id=u'g1',
stmts=[
DefAttrs(object=u'graph',
attrs=[Attr(name=u'page', value=u'"3,3"')]),
DefAttrs(object=u'graph',
attrs=[Attr(name=u'rotate', value=u'90')]),
DefAttrs(object=u'node',
attrs=[
Attr(name=u'shape', value=u'box'),
Attr(name=u'color', value=u'"#0000ff"')
]),
DefAttrs(object=u'edge',
attrs=[Attr(name=u'style', value=u'dashed')]),
Edge(nodes=[u'n1', u'n2', u'n3'], attrs=[]),
Edge(nodes=[u'n3', u'n1'], attrs=[])
]))
def test_connected_subgraph(self):
self.t(
u'''
digraph g1 {
n1 -> n2 ->
subgraph n3 {
nn1 -> nn2 -> nn3;
nn3 -> nn1;
};
subgraph n3 {} -> n1;
}
''',
Graph(strict=None,
type=u'digraph',
id=u'g1',
stmts=[
Edge(nodes=[
u'n1', u'n2',
SubGraph(id=u'n3',
stmts=[
Edge(nodes=[u'nn1', u'nn2', u'nn3'],
attrs=[]),
Edge(nodes=[u'nn3', u'nn1'], attrs=[])
])
],
attrs=[]),
Edge(nodes=[SubGraph(id=u'n3', stmts=[]), u'n1'],
attrs=[])
]))
def test_comments(self):
self.t(
u'''
/* комм 1 */
graph /* комм 4 */ g1 {
// комм 2 /* комм 3 */
}
// комм 5
''', Graph(strict=None, type=u'graph', id=u'g1', stmts=[]))
def test_few_attrs(self):
self.t(
u'''
digraph g1 {
n1 [attr1, attr2 = value2];
}
''',
Graph(strict=None,
type=u'digraph',
id=u'g1',
stmts=[
Node(id=u'n1',
attrs=[
Attr(name=u'attr1', value=None),
Attr(name=u'attr2', value=u'value2')
])
]))
def test_few_nodes(self):
self.t(
u'''
graph g1 {
n1;
n2;
n3
}
''',
Graph(strict=None,
type=u'graph',
id=u'g1',
stmts=[
Node(id=u'n1', attrs=[]),
Node(id=u'n2', attrs=[]),
Node(id=u'n3', attrs=[])
]))
def test_simple_cycle(self):
self.t(
u'''
digraph g1 {
n1 -> n2 [w=5];
n2 -> n3 [w=10];
n3 -> n1 [w=7];
}
''',
Graph(strict=None,
type=u'digraph',
id=u'g1',
stmts=[
Edge(nodes=[u'n1', u'n2'],
attrs=[Attr(name=u'w', value=u'5')]),
Edge(nodes=[u'n2', u'n3'],
attrs=[Attr(name=u'w', value=u'10')]),
Edge(nodes=[u'n3', u'n1'],
attrs=[Attr(name=u'w', value=u'7')])
]))
def test_unicode_names():
t(
u'''
digraph g1 {
n1 -> "Медведь" [label="Поехали!"];
"Медведь" -> n3 [label="Добро пожаловать!"];
n3 -> n1 ["Водка"="Селёдка"];
}
''',
Graph(
strict=None,
type=u'digraph',
id=u'g1',
stmts=[
Edge(nodes=[u'n1', u'"Медведь"'],
attrs=[Attr(name=u'label', value=u'"Поехали!"')]),
Edge(nodes=[u'"Медведь"', u'n3'],
attrs=[Attr(name=u'label',
value=u'"Добро пожаловать!"')]),
Edge(nodes=[u'n3', u'n1'],
attrs=[Attr(name=u'"Водка"', value=u'"Селёдка"')])
]))
def test_empty_graph(self):
self.t(u'''
graph g1 {}
''', Graph(strict=None, type=u'graph', id=u'g1', stmts=[]))