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Mnt: GUI tests #26060

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Merged
merged 1 commit into from
Jun 14, 2023
Merged

Mnt: GUI tests #26060

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5 changes: 5 additions & 0 deletions lib/matplotlib/backends/backend_webagg_core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -427,6 +427,7 @@ class FigureManagerWebAgg(backend_bases.FigureManagerBase):
# This must be None to not break ipympl
_toolbar2_class = None
ToolbarCls = NavigationToolbar2WebAgg
_window_title = "Matplotlib"

def __init__(self, canvas, num):
self.web_sockets = set()
Expand All @@ -444,6 +445,10 @@ def resize(self, w, h, forward=True):

def set_window_title(self, title):
self._send_event('figure_label', label=title)
self._window_title = title

def get_window_title(self):
return self._window_title

# The following methods are specific to FigureManagerWebAgg

Expand Down
2 changes: 0 additions & 2 deletions lib/matplotlib/tests/test_backend_tk.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,6 @@ def target():
thread.join()


@pytest.mark.backend('TkAgg', skip_on_importerror=True)
@pytest.mark.flaky(reruns=3)
@_isolated_tk_test(success_count=0)
def test_never_update():
Expand Down Expand Up @@ -199,7 +198,6 @@ class Toolbar(NavigationToolbar2Tk):
print("success")


@pytest.mark.backend('TkAgg', skip_on_importerror=True)
@_isolated_tk_test(success_count=1)
def test_canvas_focus():
import tkinter as tk
Expand Down
22 changes: 10 additions & 12 deletions lib/matplotlib/tests/test_backends_interactive.py
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,8 @@ def _test_interactive_impl():
import io
import json
import sys
from unittest import TestCase

import pytest

import matplotlib as mpl
from matplotlib import pyplot as plt
Expand All @@ -119,8 +120,6 @@ def _test_interactive_impl():

mpl.rcParams.update(json.loads(sys.argv[1]))
backend = plt.rcParams["backend"].lower()
assert_equal = TestCase().assertEqual
assert_raises = TestCase().assertRaises

if backend.endswith("agg") and not backend.startswith(("gtk", "web")):
# Force interactive framework setup.
Expand All @@ -135,25 +134,24 @@ def _test_interactive_impl():
# uses no interactive framework).

if backend != "tkagg":
with assert_raises(ImportError):
with pytest.raises(ImportError):
mpl.use("tkagg", force=True)

def check_alt_backend(alt_backend):
mpl.use(alt_backend, force=True)
fig = plt.figure()
assert_equal(
type(fig.canvas).__module__,
f"matplotlib.backends.backend_{alt_backend}")
assert (type(fig.canvas).__module__ ==
f"matplotlib.backends.backend_{alt_backend}")

if importlib.util.find_spec("cairocffi"):
check_alt_backend(backend[:-3] + "cairo")
check_alt_backend("svg")
mpl.use(backend, force=True)

fig, ax = plt.subplots()
assert_equal(
type(fig.canvas).__module__,
f"matplotlib.backends.backend_{backend}")
assert type(fig.canvas).__module__ == f"matplotlib.backends.backend_{backend}"

assert fig.canvas.manager.get_window_title() == "Figure 1"

if mpl.rcParams["toolbar"] == "toolmanager":
# test toolbar button icon LA mode see GH issue 25174
Expand Down Expand Up @@ -189,7 +187,7 @@ def check_alt_backend(alt_backend):
if not backend.startswith('qt5') and sys.platform == 'darwin':
# FIXME: This should be enabled everywhere once Qt5 is fixed on macOS
# to not resize incorrectly.
assert_equal(result.getvalue(), result_after.getvalue())
assert result.getvalue() == result_after.getvalue()


@pytest.mark.parametrize("env", _get_testable_interactive_backends())
Expand Down Expand Up @@ -241,7 +239,7 @@ def _test_thread_impl():
future.result() # Joins the thread; rethrows any exception.
plt.close() # backend is responsible for flushing any events here
if plt.rcParams["backend"].startswith("WX"):
# TODO: debug why WX needs this only on py3.8
# TODO: debug why WX needs this only on py >= 3.8
fig.canvas.flush_events()


Expand Down