def test_given_no_callable_included__export_returns_empty_diagram():
manager = CallTreeManager()
with generate_file('file.cpp',
'void f();\nvoid g() { f(); }') as file_name:
manager.open(file_name)
manager.select_tu(file_name)
manager.select_root('g()')
expected = '@startuml\n\n\n@enduml'
actual = manager.export()
assert actual == expected
def test_given_two_functions_included__export_returns_diagram_with_call():
manager = CallTreeManager()
with generate_file('file.cpp',
'void f();\nvoid g() { f(); }') as file_name:
manager.open(file_name)
manager.select_tu(file_name)
manager.select_root('g()')
manager.include('g()')
manager.include('f()')
expected = '@startuml\n\n -> "file.cpp": g()\nactivate "file.cpp"\n"file.cpp" -> "file.cpp": f()\nactivate "file.cpp"\ndeactivate "file.cpp"\ndeactivate "file.cpp"\n\n@enduml'
actual = manager.export()
assert actual == expected
def test_given_methods_of_same_class__use_class_as_participant():
manager = CallTreeManager()
with generate_file('file.cpp',
'class Foo {\nvoid bar();\nvoid baz() { bar(); }\n};'
) as file_name:
manager.open(file_name)
manager.select_tu(file_name)
manager.select_root('Foo::baz()')
manager.include('Foo::baz()')
manager.include('Foo::bar()')
expected = '@startuml\n\n -> "Foo": baz()\nactivate "Foo"\n"Foo" -> "Foo": bar()\nactivate "Foo"\ndeactivate "Foo"\ndeactivate "Foo"\n\n@enduml'
actual = manager.export()
assert actual == expected
def test_given_call_graph_of_depth_two__functions_exported_depth_first():
manager = CallTreeManager()
with generate_file(
'file.cpp',
'void i();\nvoid h();\nvoid g() { h(); }\nvoid f() { g();\ni(); }'
) as file_name:
manager.open(file_name)
manager.select_tu(file_name)
manager.select_root('f()')
manager.include('f()')
manager.include('g()')
manager.include('h()')
manager.include('i()')
expected = '@startuml\n\n -> "file.cpp": f()\nactivate "file.cpp"\n"file.cpp" -> "file.cpp": g()\nactivate "file.cpp"\n"file.cpp" -> "file.cpp": h()\nactivate "file.cpp"\ndeactivate "file.cpp"\ndeactivate "file.cpp"\n"file.cpp" -> "file.cpp": i()\nactivate "file.cpp"\ndeactivate "file.cpp"\ndeactivate "file.cpp"\n\n@enduml'
actual = manager.export()
assert actual == expected
