def test_get_tle_lines(self, get_tle_file, *mocks):
"""Test identification of closest TLE lines"""
tle_data = ['1 38771U 12049A 18363.63219793 -.00000013 00000-0 14176-4 0 9991\r\n',
'2 38771 98.7297 60.1350 0002062 95.9284 25.0713 14.21477560325906\r\n',
'1 38771U 12049A 18364.62426010 -.00000015 00000-0 13136-4 0 9990\r\n', # 2018-12-30 14:58
'2 38771 98.7295 61.1159 0002062 94.5796 60.2561 14.21477636326047\r\n',
'1 38771U 12049A 18364.94649306 -.00000018 00000-0 12040-4 0 9996\r\n', # 2018-12-30 22:42
'2 38771 98.7295 61.4345 0002060 94.1226 268.7521 14.21477633326092\r\n',
'1 38771U 12049A 18365.81382142 -.00000015 00000-0 13273-4 0 9991\r\n',
'2 38771 98.7294 62.2921 0002057 92.7653 26.0030 14.21477711326215\r\n']
expected = {
datetime.datetime(2018, 12, 20, 12, 0): None,
datetime.datetime(2018, 12, 28, 12, 0): 0,
datetime.datetime(2018, 12, 30, 16, 0): 2,
datetime.datetime(2018, 12, 30, 20, 0): 4,
datetime.datetime(2019, 1, 1, 12, 0): 6,
datetime.datetime(2019, 1, 8, 12, 0): None
}
get_tle_file.return_value = tle_data
reader = GACReader()
for time, tle_idx in expected.items():
reader.times = [time]
reader.tle_lines = None
if tle_idx is None:
self.assertRaises(IndexError, reader.get_tle_lines, threshold=7)
else:
tle1, tle2 = reader.get_tle_lines(threshold=7)
self.assertEqual(tle1, tle_data[tle_idx])
self.assertEqual(tle2, tle_data[tle_idx + 1])
def test_get_tle_lines(self, get_tle_file, *mocks):
"""Test identification of closest TLE lines"""
tle_data = [
'1 38771U 12049A 18363.63219793 -.00000013 00000-0 14176-4 0 9991\r\n',
'2 38771 98.7297 60.1350 0002062 95.9284 25.0713 14.21477560325906\r\n',
'1 38771U 12049A 18364.62426010 -.00000015 00000-0 13136-4 0 9990\r\n', # 2018-12-30 14:58
'2 38771 98.7295 61.1159 0002062 94.5796 60.2561 14.21477636326047\r\n',
'1 38771U 12049A 18364.94649306 -.00000018 00000-0 12040-4 0 9996\r\n', # 2018-12-30 22:42
'2 38771 98.7295 61.4345 0002060 94.1226 268.7521 14.21477633326092\r\n',
'1 38771U 12049A 18365.81382142 -.00000015 00000-0 13273-4 0 9991\r\n',
'2 38771 98.7294 62.2921 0002057 92.7653 26.0030 14.21477711326215\r\n'
]
expected = {
datetime.datetime(2018, 12, 20, 12, 0): None,
datetime.datetime(2018, 12, 28, 12, 0): 0,
datetime.datetime(2018, 12, 30, 16, 0): 2,
datetime.datetime(2018, 12, 30, 20, 0): 4,
datetime.datetime(2019, 1, 1, 12, 0): 6,
datetime.datetime(2019, 1, 8, 12, 0): None
}
get_tle_file.return_value = tle_data
reader = GACReader(tle_thresh=7)
for time, tle_idx in expected.items():
reader.times = [time]
reader.tle_lines = None
if tle_idx is None:
self.assertRaises(IndexError, reader.get_tle_lines)
else:
tle1, tle2 = reader.get_tle_lines()
self.assertEqual(tle1, tle_data[tle_idx])
self.assertEqual(tle2, tle_data[tle_idx + 1])
def test_midnight_scanline(self, *mocks):
"""Test midnight scanline computation"""
reader = GACReader()
# Define test cases...
# ... midnight scanline exists
utcs1 = np.array([-3, -2, -1, 0, 1, 2, 3]).astype('datetime64[ms]')
scanline1 = 2
# ... midnight scanline does not exist
utcs2 = np.array([1, 2, 3]).astype('datetime64[ms]')
scanline2 = None
for utcs, scanline in zip((utcs1, utcs2), (scanline1, scanline2)):
reader.utcs = utcs
reader.times = utcs.astype(datetime.datetime)
self.assertEqual(reader.get_midnight_scanline(), scanline,
msg='Incorrect midnight scanline')
def test_midnight_scanline(self, *mocks):
"""Test midnight scanline computation"""
reader = GACReader()
# Define test cases...
# ... midnight scanline exists
utcs1 = np.array([-3, -2, -1, 0, 1, 2, 3]).astype('datetime64[ms]')
scanline1 = 2
# ... midnight scanline does not exist
utcs2 = np.array([1, 2, 3]).astype('datetime64[ms]')
scanline2 = None
for utcs, scanline in zip((utcs1, utcs2), (scanline1, scanline2)):
reader.utcs = utcs
reader.times = utcs.astype(datetime.datetime)
self.assertEqual(reader.get_midnight_scanline(),
scanline,
msg='Incorrect midnight scanline')