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Working on undo redo

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This commit is contained in:
Kodjo Sossouvi
2025-07-25 17:22:18 +02:00
parent fb82365980
commit 72f5f30da6
6 changed files with 86 additions and 34 deletions
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41
tests/test_undo_redo.py
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@@ -9,7 +9,7 @@ from my_mocks import tabs_manager
class UndoableCommand(CommandHistory):
def __init__(self, old_value=0, new_value=0):
super().__init__("command", f"The new value is {new_value}")
super().__init__("Set new value", lambda value: f"Setting new value to {value}", None)
self.old_value = old_value
self.new_value = new_value
@@ -31,8 +31,8 @@ def undo_redo(session, tabs_manager):
def test_i_can_render(undo_redo):
actual = undo_redo.__ft__()
expected = Div(
Div(div_icon("undo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to undo"),
Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to redo"),
Div(div_icon("undo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to undo."),
Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to redo."),
id=undo_redo.get_id(),
)
@@ -40,13 +40,13 @@ def test_i_can_render(undo_redo):
def test_i_can_render_when_undoing_and_redoing(undo_redo):
undo_redo.push(UndoableCommand())
undo_redo.push(UndoableCommand())
undo_redo.push(UndoableCommand(0, 1))
undo_redo.push(UndoableCommand(1, 2))
actual = undo_redo.__ft__()
expected = Div(
Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")), data_tooltip="Undo "),
Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip=""),
Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")), data_tooltip="Undo 'Set new value'."),
Div(div_icon("redo", cls=Contains("mmt-btn-disabled")), data_tooltip="Nothing to redo."),
id=undo_redo.get_id(),
)
assert matches(actual, expected)
@@ -54,8 +54,8 @@ def test_i_can_render_when_undoing_and_redoing(undo_redo):
undo_redo.undo() # The command is now undone. We can redo it and undo the first command.
actual = undo_redo.__ft__()
expected = Div(
div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")), data_tooltip="Undo 'Set new value'."),
Div(div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")), data_tooltip="Redo 'Set new value'."),
id=undo_redo.get_id(),
)
assert matches(actual, expected)
@@ -63,8 +63,8 @@ def test_i_can_render_when_undoing_and_redoing(undo_redo):
undo_redo.undo() # Undo again, I cannot undo anymore.
actual = undo_redo.__ft__()
expected = Div(
div_icon("undo", cls=Contains("mmt-btn-disabled")),
div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
Div(div_icon("undo", cls=Contains("mmt-btn-disabled"))),
Div(div_icon("redo", cls=DoesNotContain("mmt-btn-disabled"))),
id=undo_redo.get_id(),
)
assert matches(actual, expected)
@@ -72,8 +72,8 @@ def test_i_can_render_when_undoing_and_redoing(undo_redo):
undo_redo.redo() # Redo once.
actual = undo_redo.__ft__()
expected = Div(
div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
div_icon("redo", cls=DoesNotContain("mmt-btn-disabled")),
Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled"))),
Div(div_icon("redo", cls=DoesNotContain("mmt-btn-disabled"))),
id=undo_redo.get_id(),
)
assert matches(actual, expected)
@@ -81,8 +81,8 @@ def test_i_can_render_when_undoing_and_redoing(undo_redo):
undo_redo.redo() # Redo a second time.
actual = undo_redo.__ft__()
expected = Div(
div_icon("undo", cls=DoesNotContain("mmt-btn-disabled")),
div_icon("redo", cls=Contains("mmt-btn-disabled")),
Div(div_icon("undo", cls=DoesNotContain("mmt-btn-disabled"))),
Div(div_icon("redo", cls=Contains("mmt-btn-disabled"))),
id=undo_redo.get_id(),
)
assert matches(actual, expected)
@@ -99,3 +99,14 @@ def test_i_can_undo_and_redo(undo_redo):
self, res = undo_redo.redo()
expected = Div(2, hx_swap_oob="true")
assert matches(res, expected)
def test_history_is_rewritten_when_pushing_a_command(undo_redo):
undo_redo.push(UndoableCommand(0, 1))
undo_redo.push(UndoableCommand(1, 2))
undo_redo.push(UndoableCommand(2, 3))
undo_redo.undo()
undo_redo.undo()
undo_redo.push(UndoableCommand(1, 5))
assert len(undo_redo.history) == 2