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# Copyright (c) 2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2021 Daniël van Noord <13665637+DanielNoord@users.noreply.github.com>
# Copyright (c) 2021 Andreas Finkler <andi.finkler@gmail.com>
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
from typing import Type
import pytest
from pylint.pyreverse.dot_printer import DotPrinter
from pylint.pyreverse.plantuml_printer import PlantUmlPrinter
from pylint.pyreverse.printer import Layout, NodeType, Printer
from pylint.pyreverse.vcg_printer import VCGPrinter
@pytest.mark.parametrize(
"layout, printer_class, expected_content, line_index",
[
(Layout.TOP_TO_BOTTOM, DotPrinter, "rankdir=TB", -2),
(Layout.BOTTOM_TO_TOP, DotPrinter, "rankdir=BT", -2),
(Layout.LEFT_TO_RIGHT, DotPrinter, "rankdir=LR", -2),
(Layout.RIGHT_TO_LEFT, DotPrinter, "rankdir=RL", -2),
(Layout.TOP_TO_BOTTOM, VCGPrinter, "orientation:top_to_bottom", -1),
(Layout.BOTTOM_TO_TOP, VCGPrinter, "orientation:bottom_to_top", -1),
(Layout.LEFT_TO_RIGHT, VCGPrinter, "orientation:left_to_right", -1),
(Layout.RIGHT_TO_LEFT, VCGPrinter, "orientation:right_to_left", -1),
(Layout.TOP_TO_BOTTOM, PlantUmlPrinter, "top to bottom direction", -1),
(Layout.LEFT_TO_RIGHT, PlantUmlPrinter, "left to right direction", -1),
],
)
def test_explicit_layout(
layout: Layout, printer_class: Type[Printer], expected_content: str, line_index: int
) -> None:
printer = printer_class(title="unittest", layout=layout)
assert printer.lines[line_index].strip() == expected_content
@pytest.mark.parametrize(
"layout, printer_class",
[(Layout.BOTTOM_TO_TOP, PlantUmlPrinter), (Layout.RIGHT_TO_LEFT, PlantUmlPrinter)],
)
def test_unsupported_layout(layout: Layout, printer_class: Type[Printer]):
with pytest.raises(ValueError):
printer_class(title="unittest", layout=layout)
class TestPlantUmlPrinter:
printer = PlantUmlPrinter(title="unittest", layout=Layout.TOP_TO_BOTTOM)
def test_node_without_properties(self) -> None:
self.printer.emit_node(name="test", type_=NodeType.CLASS)
assert self.printer.lines[-2:] == ['class "test" as test {\n', "}\n"]
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