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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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"""Tests for Python APRS util methods.""" |
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# These imports are for python3 compatibility inside python2 |
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from __future__ import absolute_import |
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from __future__ import division |
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from __future__ import print_function |
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import logging |
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import logging.handlers |
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import unittest |
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import apex.aprs.util |
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from apex.aprs import constants as aprs_constants |
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__author__ = 'Jeffrey Phillips Freeman (WI2ARD)' |
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__maintainer__ = 'Jeffrey Phillips Freeman (WI2ARD)' |
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__email__ = '[email protected]' |
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__license__ = 'Apache License, Version 2.0' |
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__copyright__ = 'Copyright 2016, Syncleus, Inc. and contributors' |
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__credits__ = [] |
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ALPHABET = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' |
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NUMBERS = '0123456789' |
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POSITIVE_NUMBERS = NUMBERS[1:] |
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ALPHANUM = ''.join([ALPHABET, NUMBERS]) |
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VALID_CALLSIGNS = ['W2GMD', 'W2GMD-1', 'KF4MKT', 'KF4MKT-1', 'KF4LZA-15'] |
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INVALID_CALLSIGNS = ['xW2GMDx', 'W2GMD-16', 'W2GMD-A', 'W', 'W2GMD-1-0', |
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'W*GMD', 'W2GMD-123'] |
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class AprsUtilTestCase(unittest.TestCase): # pylint: disable=R0904 |
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"""Tests for Python APRS Utils.""" |
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logger = logging.getLogger(__name__) |
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logger.setLevel(aprs_constants.LOG_LEVEL) |
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console_handler = logging.StreamHandler() |
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console_handler.setLevel(aprs_constants.LOG_LEVEL) |
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View Code Duplication |
formatter = logging.Formatter(aprs_constants.LOG_FORMAT) |
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console_handler.setFormatter(formatter) |
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logger.addHandler(console_handler) |
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logger.propagate = False |
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def test_latitude_north(self): |
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"""Test Decimal to APRS Latitude conversion. |
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Spec per ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf |
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-- |
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Latitude is expressed as a fixed 8-character field, in degrees and |
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decimal minutes (to two decimal places), followed by the letter N for |
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north or S for south. Latitude degrees are in the range 00 to 90. |
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Latitude minutes are expressed as whole minutes and hundredths of a |
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minute, separated by a decimal point. |
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For example: |
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4903.50N is 49 degrees 3 minutes 30 seconds north. |
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In generic format examples, the latitude is shown as the 8-character |
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string ddmm.hhN (i.e. degrees, minutes and hundredths of a minute |
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north). |
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""" |
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test_lat = 37.7418096 |
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aprs_lat = apex.aprs.util.dec2dm_lat(test_lat) |
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self.logger.debug('aprs_lat=%s', aprs_lat) |
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lat_deg = int(aprs_lat.split('.')[0][:1]) |
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# lat_hsec = aprs_lat.split('.')[1] |
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self.assertTrue(len(aprs_lat) == 8) |
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self.assertTrue(lat_deg >= 00) |
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self.assertTrue(lat_deg <= 90) |
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self.assertTrue(aprs_lat.endswith('N')) |
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def test_latitude_south(self): |
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"""Test Decimal to APRS Latitude conversion. |
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Spec per ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf |
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-- |
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Latitude is expressed as a fixed 8-character field, in degrees and |
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decimal minutes (to two decimal places), followed by the letter N for |
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north or S for south. Latitude degrees are in the range 00 to 90. |
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Latitude minutes are expressed as whole minutes and hundredths of a |
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minute, separated by a decimal point. |
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For example: |
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4903.50N is 49 degrees 3 minutes 30 seconds north. |
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In generic format examples, the latitude is shown as the 8-character |
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string ddmm.hhN (i.e. degrees, minutes and hundredths of a minute |
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north). |
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""" |
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test_lat = -37.7418096 |
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aprs_lat = apex.aprs.util.dec2dm_lat(test_lat) |
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self.logger.debug('aprs_lat=%s', aprs_lat) |
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lat_deg = int(aprs_lat.split('.')[0][:1]) |
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# lat_hsec = aprs_lat.split('.')[1] |
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View Code Duplication |
self.assertTrue(len(aprs_lat) == 8) |
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self.assertTrue(lat_deg >= 00) |
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self.assertTrue(lat_deg <= 90) |
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self.assertTrue(aprs_lat.endswith('S')) |
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def test_longitude_west(self): |
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"""Test Decimal to APRS Longitude conversion. |
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Spec per ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf |
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-- |
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Longitude is expressed as a fixed 9-character field, in degrees and |
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decimal minutes (to two decimal places), followed by the letter E for |
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east or W for west. |
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Longitude degrees are in the range 000 to 180. Longitude minutes are |
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expressed as whole minutes and hundredths of a minute, separated by a |
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decimal point. |
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For example: |
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07201.75W is 72 degrees 1 minute 45 seconds west. |
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In generic format examples, the longitude is shown as the 9-character |
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string dddmm.hhW (i.e. degrees, minutes and hundredths of a minute |
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west). |
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""" |
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test_lng = -122.38833 |
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aprs_lng = apex.aprs.util.dec2dm_lng(test_lng) |
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self.logger.debug('aprs_lng=%s', aprs_lng) |
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lng_deg = int(aprs_lng.split('.')[0][:2]) |
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# lng_hsec = aprs_lng.split('.')[1] |
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self.assertTrue(len(aprs_lng) == 9) |
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self.assertTrue(lng_deg >= 000) |
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self.assertTrue(lng_deg <= 180) |
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self.assertTrue(aprs_lng.endswith('W')) |
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def test_longitude_east(self): |
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"""Test Decimal to APRS Longitude conversion. |
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Spec per ftp://ftp.tapr.org/aprssig/aprsspec/spec/aprs101/APRS101.pdf |
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-- |
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Longitude is expressed as a fixed 9-character field, in degrees and |
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decimal minutes (to two decimal places), followed by the letter E for |
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east or W for west. |
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Longitude degrees are in the range 000 to 180. Longitude minutes are |
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expressed as whole minutes and hundredths of a minute, separated by a |
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decimal point. |
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For example: |
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07201.75W is 72 degrees 1 minute 45 seconds west. |
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In generic format examples, the longitude is shown as the 9-character |
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string dddmm.hhW (i.e. degrees, minutes and hundredths of a minute |
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west). |
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""" |
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test_lng = 122.38833 |
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aprs_lng = apex.aprs.util.dec2dm_lng(test_lng) |
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self.logger.debug('aprs_lng=%s', aprs_lng) |
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lng_deg = int(aprs_lng.split('.')[0][:2]) |
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# lng_hsec = aprs_lng.split('.')[1] |
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self.assertTrue(len(aprs_lng) == 9) |
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self.assertTrue(lng_deg >= 000) |
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self.assertTrue(lng_deg <= 180) |
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self.assertTrue(aprs_lng.endswith('E')) |
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def test_valid_callsign_valid(self): |
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""" |
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Tests valid callsigns using `aprs.util.valid_callsign()`. |
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""" |
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for i in VALID_CALLSIGNS: |
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self.assertTrue(apex.aprs.util.valid_callsign(i), '%s is a valid call' % i) |
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def test_valid_callsign_invalid(self): |
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""" |
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Tests invalid callsigns using `aprs.util.valid_callsign()`. |
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""" |
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for i in INVALID_CALLSIGNS: |
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self.assertFalse( |
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apex.aprs.util.valid_callsign(i), '%s is an invalid call' % i) |
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def test_decode_aprs_ascii_frame(self): |
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""" |
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Tests creating an APRS frame-as-dict from an APRS frame-as-string |
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using `aprs.util.decode_aprs_ascii_frame()`. |
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""" |
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ascii_frame = ( |
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'W2GMD-9>APOTC1,WIDE1-1,WIDE2-1:!3745.94N/12228.05W>118/010/' |
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'A=000269 38C=Temp http://w2gmd.org/ Twitter: @ampledata') |
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frame = apex.aprs.util.decode_frame(ascii_frame) |
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self.assertEqual( |
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{ |
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'source': 'W2GMD-9', |
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'destination': 'APOTC1', |
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'path': 'APOTC1,WIDE1-1,WIDE2-1', |
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'text': ('!3745.94N/12228.05W>118/010/A=000269 38C=Temp ' |
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'http://w2gmd.org/ Twitter: @ampledata'), |
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}, |
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frame |
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) |
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def test_format_aprs_frame(self): |
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""" |
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Tests formatting an APRS frame-as-string from an APRS frame-as-dict |
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using `aprs.util.format_aprs_frame()`. |
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""" |
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frame = { |
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'source': 'W2GMD-1', |
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'destination': 'OMG', |
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'path': ['WIDE1-1'], |
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'text': 'test_format_aprs_frame' |
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} |
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formatted_frame = apex.aprs.util.encode_frame(frame) |
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self.assertEqual( |
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formatted_frame, |
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'W2GMD-1>OMG,WIDE1-1:test_format_aprs_frame' |
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) |
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if __name__ == '__main__': |
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unittest.main() |
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