def test_detect_apd90_returns_false_different_y_voltage(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.apd_90_end_voltage = 5
detected_apd90 = pacing_info.detect_apd_90(y_voltage=10)
self.assertFalse(detected_apd90)
def test_detect_apd90_returns_true(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.apd_90_end_voltage = 5
detected_apd90 = pacing_info.detect_apd_90(y_voltage=5.0001)
self.assertTrue(detected_apd90)
def test_should_stimulate_returns_true(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.stimulations = [1.1, 1.3005, 1.7]
test_times = [1.10001, 1.3006, 1.7003]
for i in test_times:
with self.subTest():
self.assertTrue(pacing_info.should_stimulate(t=i))
def test_should_stimulate_returns_false(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.stimulations = [1.1, 1.3005, 1.7]
test_times = [1.2, 1.0999, 1.8]
for i in test_times:
with self.subTest():
self.assertFalse(pacing_info.should_stimulate(t=i))
def test_detect_peak_returns_true(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.peaks.append(0.1)
detected_peak = pacing_info.detect_peak(t=[.1, .2, 3],
y_voltage=0.03,
d_y_voltage=[1.5, -1.5])
self.assertTrue(detected_peak)
def test_detect_peak_returns_false_under_voltage_threshold(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.peaks.append(0.1)
detected_peak = pacing_info.detect_peak(t=[.1, .2, 3],
y_voltage=-0.01,
d_y_voltage=[1.5, -1.5])
self.assertFalse(detected_peak)
def test_detect_peak_returns_false_no_switch_in_d_y(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.peaks.append(0.1)
detected_peak = pacing_info.detect_peak(t=[.1, .2, 3],
y_voltage=0.03,
d_y_voltage=[-1.5, -1.5])
self.assertFalse(detected_peak)
def test_detect_peak_returns_false_too_close_to_past_peak(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.peaks.append(0.3)
detected_peak = pacing_info.detect_peak(t=[.1, .2, .3],
y_voltage=0.03,
d_y_voltage=[1.5, -1.5])
self.assertFalse(detected_peak)
def generate_irregular_pacing_response(self, protocol):
"""
Args:
protocol: An irregular pacing protocol
Returns:
A irregular pacing trace
"""
pacing_info = trace.IrregularPacingInfo()
try:
solution = integrate.solve_ivp(
self.generate_irregular_pacing_function(protocol, pacing_info),
[0, protocol.duration],
self.y_initial,
method='BDF',
max_step=1e-3 * self.time_conversion)
self._set_data_without_error(solution)
except ValueError:
return None
return trace.Trace(self.t, self.y_voltage, pacing_info=pacing_info)
def test_detect_apd90_returns_false_apd_end_not_set(self):
pacing_info = trace.IrregularPacingInfo()
detected_apd90 = pacing_info.detect_apd_90(y_voltage=10)
self.assertFalse(detected_apd90)
def test_add_apd90(self):
pacing_info = trace.IrregularPacingInfo()
pacing_info.apd_90_end_voltage = 10
pacing_info.add_apd_90(apd_90=1.5)
self.assertEqual(pacing_info.apd_90_end_voltage, -1)
