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# -*- coding: utf-8 -*-
# Dioptas - GUI program for fast processing of 2D X-ray diffraction data
# Principal author: Clemens Prescher (clemens.prescher@gmail.com)
# Copyright (C) 2014-2019 GSECARS, University of Chicago, USA
# Copyright (C) 2015-2018 Institute for Geology and Mineralogy, University of Cologne, Germany
# Copyright (C) 2019-2020 DESY, Hamburg, Germany
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import numpy as np
import pytest
from unittest.mock import MagicMock
from ...model.OverlayModel import OverlayModel
from ..utility import data_path
@pytest.fixture
def overlay_model():
return OverlayModel()
def test_add_overlay(overlay_model: OverlayModel):
x_overlay = np.linspace(0, 10)
y_overlay = np.linspace(0, 100)
overlay_model.add_overlay(x_overlay, y_overlay, "dummy")
assert len(overlay_model.overlays) == 1
new_overlay = overlay_model.get_overlay(0)
assert new_overlay is not None
assert new_overlay.name == "dummy"
assert np.array_equal(new_overlay.x, x_overlay)
assert np.array_equal(new_overlay.y, y_overlay)
def test_add_overlay_from_file(overlay_model: OverlayModel):
filename = os.path.join(data_path, "pattern_001.xy")
overlay_model.add_overlay_file(filename)
assert len(overlay_model.overlays) == 1
overlay = overlay_model.get_overlay(0)
assert overlay is not None
assert overlay.name == "".join(os.path.basename(filename).split(".")[0:-1])
def test_different_colors_for_overlay(overlay_model: OverlayModel):
x_overlay = np.linspace(0, 10)
y_overlay = np.linspace(0, 100)
overlay_model.add_overlay(x_overlay, y_overlay, "dummy")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy")
assert len(overlay_model.overlays) == 3
color1 = overlay_model.get_overlay_color(0)
color2 = overlay_model.get_overlay_color(1)
color3 = overlay_model.get_overlay_color(2)
assert not np.array_equal(color1, color2)
assert not np.array_equal(color2, color3)
assert not np.array_equal(color1, color3)
def test_move_up_overlay(overlay_model: OverlayModel):
x_overlay = np.linspace(0, 10)
y_overlay = np.linspace(0, 100)
overlay_model.add_overlay(x_overlay, y_overlay, "dummy1")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy2")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy3")
overlay_model.move_overlay_up(1)
overlay1 = overlay_model.get_overlay(0)
overlay2 = overlay_model.get_overlay(1)
overlay3 = overlay_model.get_overlay(2)
assert overlay1 is not None
assert overlay2 is not None
assert overlay3 is not None
assert overlay1.name == "dummy2"
assert overlay2.name == "dummy1"
assert overlay3.name == "dummy3"
def test_move_down_overlay(overlay_model: OverlayModel):
x_overlay = np.linspace(0, 10)
y_overlay = np.linspace(0, 100)
overlay_model.add_overlay(x_overlay, y_overlay, "dummy1")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy2")
overlay_model.add_overlay(x_overlay, y_overlay, "dummy3")
overlay_model.move_overlay_down(1)
overlay1 = overlay_model.get_overlay(0)
overlay2 = overlay_model.get_overlay(1)
overlay3 = overlay_model.get_overlay(2)
assert overlay1 is not None
assert overlay2 is not None
assert overlay3 is not None
assert overlay1.name == "dummy1"
assert overlay2.name == "dummy3"
assert overlay3.name == "dummy2"
def test_move_signals(overlay_model: OverlayModel):
for i in range(10):
overlay_model.add_overlay(np.linspace(0, 10), np.linspace(0, 100), f"dummy{i}")
overlay_model.overlay_changed.emit = MagicMock()
overlay_model.move_overlay_up(1)
assert overlay_model.overlay_changed.emit.call_count == 2
overlay_model.overlay_changed.emit.assert_any_call(1)
overlay_model.overlay_changed.emit.assert_any_call(0)
overlay_model.overlay_changed.emit.reset_mock()
overlay_model.move_overlay_down(3)
assert overlay_model.overlay_changed.emit.call_count == 2
overlay_model.overlay_changed.emit.assert_any_call(3)
overlay_model.overlay_changed.emit.assert_any_call(4)
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