102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
import pytest
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from fasthtml.components import Div
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from components.undo_redo.components.UndoRedo import UndoRedo, CommandHistory
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from core.settings_management import SettingsManager, MemoryDbEngine
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from helpers import matches, div_icon, Contains, DoesNotContain
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from my_mocks import tabs_manager
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class UndoableCommand(CommandHistory):
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def __init__(self, old_value=0, new_value=0):
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super().__init__("command", f"The new value is {new_value}")
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self.old_value = old_value
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self.new_value = new_value
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def undo(self):
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return Div(self.old_value, hx_swap_oob="true")
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def redo(self):
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return Div(self.new_value, hx_swap_oob="true")
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@pytest.fixture
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def undo_redo(session, tabs_manager):
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return UndoRedo(session,
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UndoRedo.create_component_id(session),
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settings_manager=SettingsManager(engine=MemoryDbEngine()),
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tabs_manager=tabs_manager)
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def test_i_can_render(undo_redo):
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actual = undo_redo.__ft__()
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expected = Div(
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Div(div_icon("undo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to undo"),
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Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to redo"),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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def test_i_can_render_when_undoing_and_redoing(undo_redo):
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undo_redo.push(UndoableCommand())
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undo_redo.push(UndoableCommand())
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actual = undo_redo.__ft__()
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expected = Div(
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Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")), data_tooltip="Undo "),
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Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip=""),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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undo_redo.undo() # The command is now undone. We can redo it and undo the first command.
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actual = undo_redo.__ft__()
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expected = Div(
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div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
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div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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undo_redo.undo() # Undo again, I cannot undo anymore.
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actual = undo_redo.__ft__()
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expected = Div(
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div_icon("undo", cls=Contains("mmt-btn-disabled")),
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div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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undo_redo.redo() # Redo once.
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actual = undo_redo.__ft__()
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expected = Div(
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div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
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div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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undo_redo.redo() # Redo a second time.
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actual = undo_redo.__ft__()
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expected = Div(
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div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
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div_icon("redo", cls=Contains("mmt-btn-disabled")),
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id=undo_redo.get_id(),
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)
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assert matches(actual, expected)
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def test_i_can_undo_and_redo(undo_redo):
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undo_redo.push(UndoableCommand(0, 1))
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undo_redo.push(UndoableCommand(1, 2))
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self, res = undo_redo.undo()
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expected = Div(1, hx_swap_oob="true")
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assert matches(res, expected)
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self, res = undo_redo.redo()
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expected = Div(2, hx_swap_oob="true")
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assert matches(res, expected)
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