def test_close(self):
"""
@note tests start function
"""
# init values
dut = ATWG()
# check
self.assertTrue(
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'sine'
}))
self.assertTrue(dut.close())
def test_status(self):
"""
@note tests formated string status function
"""
# prepare
dut = ATWG()
self.assertTrue(
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'sine',
'highVal': 60,
'lowVal': 10,
'initVal': 30
}))
self.assertTrue(dut.start())
self.assertTrue(dut.chamber_update())
# construct expected string
exp = ""
exp += "\x1b[2J\n" # delete complete output
exp += "Arbitrary Temperature Waveform Generator\n"
exp += "\n"
exp += " Chamber\n"
exp += " State : Run -\n"
exp += " Type : SIM\n"
exp += " Tmeas : +20.00 °C\n"
exp += " Tset : +30.02 °C\n"
exp += "\n"
exp += " Waveform\n"
exp += " Shape : sine\n"
exp += " Tmin : +10.00 °C\n"
exp += " Tmax : +60.00 °C\n"
exp += " Period : 1h\n"
exp += " Gradient : +2.565 °C/m\n"
exp += "\n"
exp += "\n"
exp += "Press 'CTRL + C' for exit\n"
# test & compare
self.assertEqual(dut.status(), exp)
def test_stop(self):
"""
@note tests start function
"""
# init values
dut = ATWG()
# check, initVal added cause default comes from parse_cli
self.assertTrue(
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'sine',
'initVal': 25
}))
self.assertTrue(dut.stop())
def test_start(self):
"""
@note tests start function
"""
# init values
dut = ATWG()
# exception: not opend
with self.assertRaises(ValueError) as cm:
dut.start()
self.assertEqual(str(cm.exception),
"Interfaces not opened, call methode 'open'")
# start chamber in sim mode
self.assertTrue(
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'sine'
}))
self.assertTrue(dut.start())
def test_open(self):
"""
@note tests open method
"""
# init values
dut = ATWG()
# exception: no selection
with self.assertRaises(ValueError) as cm:
dut.open()
self.assertEqual(str(cm.exception), "Missing args")
# exception: unsupported chamber
with self.assertRaises(ValueError) as cm:
dut.open(chamberArg={'chamber': 'unknown', 'port': ""}, waveArg={})
self.assertEqual(str(cm.exception),
"Unsupported climate chmaber 'unknown' selected")
# exception: unsupported waveform
with self.assertRaises(ValueError) as cm:
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'unknown'
})
self.assertEqual(str(cm.exception),
"Unsupported waveform 'unknown' requested")
# open in sim mode with sine wave
self.assertTrue(
dut.open(chamberArg={
'chamber': 'SIM',
'port': ""
},
waveArg={
'ts': 1,
'tp': 3600,
'wave': 'sine'
}))