def test_cannot_write_none_identifier():
r = Representation()
try:
r.write_identifier(None)
except ValueError:
assert True
else:
assert False
def test_can_write_relationship_with_properties():
r = Representation()
r.write(
Relationship({"name": "Fred"}, ("LIVES WITH", {
"place": "Bedrock"
}), {"name": "Wilma"}))
written = repr(r)
assert written == '({name:"Fred"})-[:`LIVES WITH` {place:"Bedrock"}]->({name:"Wilma"})'
def test_cannot_write_none_identifier():
r = Representation()
try:
r.write_identifier(None)
except ValueError:
assert True
else:
assert False
def test_can_write_array():
r = Representation()
r.write([1, 1, 2, 3, 5, 8, 13])
written = repr(r)
assert written == "[1,1,2,3,5,8,13]"
def test_can_write_simple_path():
r = Representation()
r.write(Path({}, "LOVES", {}, Rev("HATES"), {}, "KNOWS", {}))
written = repr(r)
assert written == "()-[:LOVES]->()<-[:HATES]-()-[:KNOWS]->()"
def test_can_write_simple_path():
r = Representation()
r.write(Path({}, "LOVES", {}, Rev("HATES"), {}, "KNOWS", {}))
written = repr(r)
assert written == "()-[:LOVES]->()<-[:HATES]-()-[:KNOWS]->()"
def test_can_write_simple_relationship():
r = Representation()
r.write(Relationship({}, "KNOWS", {}))
written = repr(r)
assert written == "()-[:KNOWS]->()"
def test_can_write_mapping():
r = Representation()
r.write({"one": "eins", "two": "zwei", "three": "drei"})
written = repr(r)
assert written == '{one:"eins",three:"drei",two:"zwei"}'
def test_can_write_identifier_containing_back_ticks():
r = Representation()
r.write_identifier("foo `bar`")
written = repr(r)
assert written == "`foo ``bar```"
def test_can_write_simple_identifier():
r = Representation()
r.write_identifier("foo")
written = repr(r)
assert written == "foo"
def test_can_write_node_with_labels():
r = Representation()
r.write(Node("Dark Brown", "Chicken"))
written = repr(r)
assert written == '(:Chicken:`Dark Brown`)'
def test_can_write_simple_node():
r = Representation()
r.write(Node())
written = repr(r)
assert written == "()"
def test_can_write_identifier_containing_back_ticks():
r = Representation()
r.write_identifier("foo `bar`")
written = repr(r)
assert written == "`foo ``bar```"
def test_can_write_identifier_with_odd_chars():
r = Representation()
r.write_identifier("foo bar")
written = repr(r)
assert written == "`foo bar`"
def test_can_write_simple_identifier():
r = Representation()
r.write_identifier("foo")
written = repr(r)
assert written == "foo"
def test_writing_none_writes_nothing():
r = Representation()
r.write(None)
written = repr(r)
assert written == ""
def test_can_write_mapping():
r = Representation()
r.write({"one": "eins", "two": "zwei", "three": "drei"})
written = repr(r)
assert written == '{one:"eins",three:"drei",two:"zwei"}'
def test_can_write_node_with_properties():
r = Representation()
r.write(Node(name="Gertrude", age=3))
written = repr(r)
assert written == '({age:3,name:"Gertrude"})'
def test_writing_none_writes_nothing():
r = Representation()
r.write(None)
written = repr(r)
assert written == ""
def test_can_write_simple_node():
r = Representation()
r.write(Node())
written = repr(r)
assert written == "()"
def test_can_write_identifier_with_odd_chars():
r = Representation()
r.write_identifier("foo bar")
written = repr(r)
assert written == "`foo bar`"
def test_can_write_node_with_properties():
r = Representation()
r.write(Node(name="Gertrude", age=3))
written = repr(r)
assert written == '({age:3,name:"Gertrude"})'
def test_can_write_node_with_labels_and_properties():
r = Representation()
r.write(Node("Dark Brown", "Chicken", name="Gertrude", age=3))
written = repr(r)
assert written == '(:Chicken:`Dark Brown` {age:3,name:"Gertrude"})'
def test_can_write_array():
r = Representation()
r.write([1, 1, 2, 3, 5, 8, 13])
written = repr(r)
assert written == "[1,1,2,3,5,8,13]"
def test_can_write_node_with_labels():
r = Representation()
r.write(Node("Dark Brown", "Chicken"))
written = repr(r)
assert written == '(:Chicken:`Dark Brown`)'
def test_can_write_simple_relationship():
r = Representation()
r.write(Relationship({}, "KNOWS", {}))
written = repr(r)
assert written == "()-[:KNOWS]->()"
def test_can_write_node_with_labels_and_properties():
r = Representation()
r.write(Node("Dark Brown", "Chicken", name="Gertrude", age=3))
written = repr(r)
assert written == '(:Chicken:`Dark Brown` {age:3,name:"Gertrude"})'
def test_can_write_relationship_with_properties():
r = Representation()
r.write(Relationship(
{"name": "Fred"}, ("LIVES WITH", {"place": "Bedrock"}), {"name": "Wilma"}))
written = repr(r)
assert written == '({name:"Fred"})-[:`LIVES WITH` {place:"Bedrock"}]->({name:"Wilma"})'
def test_can_write_simple_rev():
r = Representation()
r.write(Rev("KNOWS"))
written = repr(r)
assert written == "<-[:KNOWS]-"
def test_can_write_simple_rev():
r = Representation()
r.write(Rev("KNOWS"))
written = repr(r)
assert written == "<-[:KNOWS]-"