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Add RGBLED.pulse method

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Also add timing tests to all the blink unit-tests
This commit is contained in:
Andrew Scheller
2016-05-04 11:14:36 +01:00
parent 7e6cc39d71
commit 18bb3f559e
3 changed files with 239 additions and 7 deletions
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198
tests/test_outputs.py
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@@ -8,7 +8,7 @@ str = type('')
import sys
from time import sleep
from time import sleep, time
try:
from math import isclose
except ImportError:
@@ -92,8 +92,11 @@ def test_output_digital_toggle():
def test_output_blink_background():
pin = MockPin(2)
with DigitalOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join() # naughty, but ensures no arbitrary waits in the test
assert isclose(time() - start, 0.4, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, False),
(0.0, True),
@@ -107,7 +110,9 @@ def test_output_blink_background():
def test_output_blink_foreground():
pin = MockPin(2)
with DigitalOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
assert isclose(time() - start, 0.4, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, False),
(0.0, True),
@@ -209,8 +214,11 @@ def test_output_pwm_write_silly():
def test_output_pwm_blink_background():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.4, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.0, 1),
@@ -224,7 +232,9 @@ def test_output_pwm_blink_background():
def test_output_pwm_blink_foreground():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
assert isclose(time() - start, 0.4, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.0, 1),
@@ -238,8 +248,11 @@ def test_output_pwm_blink_foreground():
def test_output_pwm_fade_background():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.8, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.04, 0.2),
@@ -269,7 +282,75 @@ def test_output_pwm_fade_background():
def test_output_pwm_fade_foreground():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2, background=False)
assert isclose(time() - start, 0.8, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
])
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_pulse_background():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.pulse(0.2, 0.2, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.8, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
])
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_output_pwm_pulse_foreground():
pin = MockPWMPin(2)
with PWMOutputDevice(pin) as device:
start = time()
device.pulse(0.2, 0.2, n=2, background=False)
assert isclose(time() - start, 0.8, abs_tol=0.05)
pin.assert_states_and_times([
(0.0, 0),
(0.04, 0.2),
@@ -345,8 +426,11 @@ def test_rgbled_toggle():
def test_rgbled_blink_background():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0.1, 0.1, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.4, abs_tol=0.05)
expected = [
(0.0, 0),
(0.0, 1),
@@ -363,7 +447,9 @@ def test_rgbled_blink_background():
def test_rgbled_blink_foreground():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0.1, 0.1, n=2, background=False)
assert isclose(time() - start, 0.4, abs_tol=0.05)
expected = [
(0.0, 0),
(0.0, 1),
@@ -380,8 +466,118 @@ def test_rgbled_blink_foreground():
def test_rgbled_fade_background():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.8, abs_tol=0.05)
expected = [
(0.0, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
]
r.assert_states_and_times(expected)
g.assert_states_and_times(expected)
b.assert_states_and_times(expected)
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_fade_foreground():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.blink(0, 0, 0.2, 0.2, n=2, background=False)
assert isclose(time() - start, 0.8, abs_tol=0.05)
expected = [
(0.0, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
]
r.assert_states_and_times(expected)
g.assert_states_and_times(expected)
b.assert_states_and_times(expected)
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_pulse_background():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.pulse(0.2, 0.2, n=2)
assert isclose(time() - start, 0, abs_tol=0.05)
device._blink_thread.join()
assert isclose(time() - start, 0.8, abs_tol=0.05)
expected = [
(0.0, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
(0.04, 0.2),
(0.04, 0.4),
(0.04, 0.6),
(0.04, 0.8),
(0.04, 1),
(0.04, 0.8),
(0.04, 0.6),
(0.04, 0.4),
(0.04, 0.2),
(0.04, 0),
]
r.assert_states_and_times(expected)
g.assert_states_and_times(expected)
b.assert_states_and_times(expected)
@pytest.mark.skipif(hasattr(sys, 'pypy_version_info'),
reason='timing is too random on pypy')
def test_rgbled_pulse_foreground():
r, g, b = (MockPWMPin(i) for i in (1, 2, 3))
with RGBLED(r, g, b) as device:
start = time()
device.pulse(0.2, 0.2, n=2, background=False)
assert isclose(time() - start, 0.8, abs_tol=0.05)
expected = [
(0.0, 0),
(0.04, 0.2),