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#!/usr/bin/env python

# -*- coding: utf-8 -*-

import unittest

from behavioral.state import Radio

class RadioTest(unittest.TestCase):

"""

Attention: Test case results depend on test case execution. The test cases

in this integration test class should be executed in an explicit order:

http://stackoverflow.com/questions/5387299/python-unittest-testcase-execution-order

"""

@classmethod

def setUpClass(self):

self.radio = Radio()

def test_initial_state(self):

state = self.radio.state.name

expected_state_name = 'AM'

self.assertEqual(state, expected_state_name)

def test_initial_am_station(self):

station = self.radio.state.stations[self.radio.state.pos]

expected_station = '1250'

self.assertEqual(station, expected_station)

def test_2nd_am_station_after_scan(self):

self.radio.scan()

station = self.radio.state.stations[self.radio.state.pos]

expected_station = '1380'

self.assertEqual(station, expected_station)

def test_3rd_am_station_after_scan(self):

self.radio.scan()

station = self.radio.state.stations[self.radio.state.pos]

expected_station = '1510'

self.assertEqual(station, expected_station)

def test_am_station_overflow_after_scan(self):

self.radio.scan()

station = self.radio.state.stations[self.radio.state.pos]

expected_station = '1250'

self.assertEqual(station, expected_station)

def test_shall_toggle_from_am_to_fm(self):

self.radio.toggle_amfm()

state = self.radio.state.name

expected_state_name = 'FM'

self.assertEqual(state, expected_state_name)

def test_shall_toggle_from_fm_to_am(self):

self.radio.toggle_amfm()

state = self.radio.state.name

expected_state_name = 'AM'

self.assertEqual(state, expected_state_name)