-import sys
-import mock
-from i2cdevice import MockSMBus
-
-
-class SMBusFakeDevice(MockSMBus):
- def __init__(self, i2c_bus):
- MockSMBus.__init__(self, i2c_bus)
- self.regs[0x00:0x01] = 0x0f, 0x00
-
-
-def test_gas_setup():
- sys.modules['RPi'] = mock.Mock()
- sys.modules['RPi.GPIO'] = mock.Mock()
- smbus = mock.Mock()
- smbus.SMBus = SMBusFakeDevice
- sys.modules['smbus'] = smbus
- from envirophatplus import gas
+def test_gas_setup(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
gas.setup()
gas.setup()
-def test_gas_read_all():
- sys.modules['RPi'] = mock.Mock()
- sys.modules['RPi.GPIO'] = mock.Mock()
- smbus = mock.Mock()
- smbus.SMBus = SMBusFakeDevice
- sys.modules['smbus'] = smbus
- from envirophatplus import gas
+def test_gas_read_all(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
result = gas.read_all()
assert type(result.oxidising) == float
assert "Oxidising" in str(result)
-def test_gas_read_each():
- sys.modules['RPi'] = mock.Mock()
- sys.modules['RPi.GPIO'] = mock.Mock()
- smbus = mock.Mock()
- smbus.SMBus = SMBusFakeDevice
- sys.modules['smbus'] = smbus
- from envirophatplus import gas
+def test_gas_read_each(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
assert int(gas.read_oxidising()) == 16641
assert int(gas.read_reducing()) == 16727
assert int(gas.read_nh3()) == 16813
+
+
+def test_gas_read_adc(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
+
+ gas.enable_adc(True)
+ gas.set_adc_gain(2.048)
+ assert gas.read_adc() == 0.255
+
+
+def test_gas_read_adc_default_gain(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
+
+ gas.enable_adc(True)
+ gas.set_adc_gain(gas.MICS6814_GAIN)
+ assert gas.read_adc() == 0.765
+
+
+def test_gas_read_adc_str(GPIO, smbus):
+ from enviroplus import gas
+ gas._is_setup = False
+
+ gas.enable_adc(True)
+ gas.set_adc_gain(2.048)
+ assert 'ADC' in str(gas.read_all())
+
+
+def test_gas_cleanup(GPIO, smbus):
+ from enviroplus import gas
+
+ gas.cleanup()
+
+ GPIO.output.assert_called_with(gas.MICS6814_HEATER_PIN, 0)