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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 pytest
from ..utility import QtTest, data_path
import os
import gc
from mock import MagicMock
from ...controller.integration import PhaseInCakeController
from ...model.DioptasModel import DioptasModel
from ...widgets.integration import IntegrationWidget
jcpds_path = os.path.join(data_path, "jcpds")
@pytest.fixture
def phase_in_cake_controller(integration_widget, dioptas_model):
return PhaseInCakeController(integration_widget, dioptas_model)
@pytest.fixture
def load_phase(phase_in_cake_controller):
def _load_phase(filename):
phase_in_cake_controller.model.phase_model.add_jcpds(os.path.join(jcpds_path, filename))
return _load_phase
@pytest.fixture
def load_phases(load_phase):
load_phase('ar.jcpds')
load_phase('ag.jcpds')
load_phase('au_Anderson.jcpds')
load_phase('mo.jcpds')
load_phase('pt.jcpds')
load_phase('re.jcpds')
def test_loading_a_phase(load_phase, integration_widget):
assert len(integration_widget.cake_widget.phases) == 0
load_phase('ar.jcpds')
assert len(integration_widget.cake_widget.phases) == 1
load_phase('ar.jcpds')
def test_loading_many_phases(load_phases, integration_widget):
assert len(integration_widget.cake_widget.phases) == 6
class PhaseInCakeControllerTest(QtTest):
# SETUP
#######################
def setUp(self) -> None:
self.model = DioptasModel()
self.model.calibration_model.is_calibrated = True
self.model.calibration_model.pattern_geometry.wavelength = 0.31E-10
self.model.calibration_model.integrate_1d = MagicMock(return_value=(self.model.calibration_model.tth,
self.model.calibration_model.int))
self.widget = IntegrationWidget()
self.controller = PhaseInCakeController(self.widget, self.model)
def tearDown(self) -> None:
del self.controller
del self.widget
self.model.delete_configurations()
del self.model
gc.collect()
# Utility Functions
#######################
def load_phase(self, filename):
self.model.phase_model.add_jcpds(os.path.join(jcpds_path, filename))
def load_phases(self):
self.load_phase('ar.jcpds')
self.load_phase('ag.jcpds')
self.load_phase('au_Anderson.jcpds')
self.load_phase('mo.jcpds')
self.load_phase('pt.jcpds')
self.load_phase('re.jcpds')
# Tests
#######################
def test_remove_phase(self):
self.load_phases()
self.assertEqual(len(self.widget.cake_widget.phases), 6)
self.model.phase_model.del_phase(3)
self.assertEqual(len(self.widget.cake_widget.phases), 5)
def test_changing_pressure(self):
self.load_phase('ar.jcpds')
first_line_position = self.widget.cake_widget.phases[0].line_items[0].getPos()
self.model.phase_model.set_pressure(0, 4)
self.assertNotEqual(first_line_position,
self.widget.cake_widget.phases[0].line_items[0].getPos())
def test_changing_temperature_and_pressure(self):
self.load_phase('pt.jcpds')
self.model.phase_model.set_pressure(0, 100)
first_line_position = self.widget.cake_widget.phases[0].line_items[0].getPos()
self.model.phase_model.set_temperature(0, 3000)
self.assertNotEqual(first_line_position,
self.widget.cake_widget.phases[0].line_items[0].getPos())
def test_changing_color(self):
self.load_phase('pt.jcpds')
green_value = self.widget.cake_widget.phases[0].line_items[0].pen.color().green()
self.model.phase_model.set_color(0, (230, 22, 0))
self.assertNotEqual(green_value,
self.widget.cake_widget.phases[0].line_items[0].pen.color().green())
def test_reflection_added(self):
self.load_phase("pt.jcpds")
num_line_items = len(self.widget.cake_widget.phases[0].line_items)
self.model.phase_model.add_reflection(0)
self.assertEqual(len(self.widget.cake_widget.phases[0].line_items),
num_line_items + 1)
def test_delete_reflection(self):
self.load_phase("pt.jcpds")
num_line_items = len(self.widget.cake_widget.phases[0].line_items)
self.model.phase_model.delete_reflection(0, 0)
self.assertEqual(len(self.widget.cake_widget.phases[0].line_items),
num_line_items - 1)
def test_reload_phase(self):
self.load_phase('au_Anderson.jcpds')
self.model.phase_model.reload(0)
def test_phases_are_not_shown_in_img_mode(self):
self.load_phase('au_Anderson.jcpds')
cake_phase = self.widget.cake_widget.phases[0]
self.assertFalse(cake_phase.visible)
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