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test_srtfix.py
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test_srtfix.py
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"""Unit tests for the srtfix.py lib"""
from exceptions import Exception
from srtfix import Time, Span, TimeParseError
import unittest
import random
__author__ = "Gerard van Helden <drm@melp.n>"
def data_provider(data):
"""Data provider decorator, allows a callable to provide the data for the test"""
if callable(data):
data = data()
if not all(isinstance(i, tuple) for i in data):
raise Exception("Need a sequence of tuples as data...")
def test_decorator(fn):
def test_decorated(self, *args):
for i in data:
try:
fn(self, *(i + args))
except AssertionError as e:
raise AssertionError(e.message + " (data set used: %s)" % repr(i))
return test_decorated
return test_decorator
def expect_exception(exception):
"""Marks test to expect the specified exception. Call assertRaises internally"""
def test_decorator(fn):
def test_decorated(self, *args, **kwargs):
self.assertRaises(exception, fn, self, *args, **kwargs)
return test_decorated
return test_decorator
class TimeTest(unittest.TestCase):
srt_format_data = (
(0, '0:0:0,0'),
(1, '0:0:0,1'),
(1000, '0:0:1,0'),
(1001, '0:0:1,1'),
(60000, '0:1:0,0'),
(60001, '0:1:0,1'),
(61000, '0:1:1,0'),
(61001, '0:1:1,1'),
(3600000, '1:0:0,0'),
(3660000, '1:1:0,0'),
(3661000, '1:1:1,0'),
(3661001, '1:1:1,1'),
(35999999, '9:59:59,999'),
)
@data_provider(srt_format_data)
def test_parse_srt_format(self, expected, srt_format):
self.assertEquals(expected, Time.parse(srt_format).ms)
@data_provider( (("",), ("unparsable",), ( "--0",),) )
@expect_exception(TimeParseError)
def test_parse_invalid_format(self, format):
Time.parse(format)
shorthand_format_data = (
(1, '1ms'),
(1000, '1s'),
(60000, '1m'),
(3600000, '1h'),
(-1, '-1ms'),
(-1000, '-1s'),
(-60000, '-1m'),
(-3600000, '-1h'),
(-1, '1ms-'),
(-1000, '1s-'),
(-60000, '1m-'),
(-3600000, '1h-'),
(1001, '1ms1s'),
(1001, '1s1ms'),
(3600001, '1h1ms'),
(3661001, '1h1s1m1ms'),
(3661001, '1ms1s1m1h'),
(3661001, '1m1ms1h1s'),
(-1001, '-1ms1s'),
(-1001, '-1s1ms'),
(-3600001, '-1h1ms'),
(-3661001, '-1h1s1m1ms'),
(-3661001, '-1ms1s1m1h'),
(-3661001, '-1m1ms1h1s'),
(-1001, '1ms1s-'),
(-1001, '1s1ms-'),
(-3600001, '1h1ms-'),
(-3661001, '1h1s1m1ms-'),
(-3661001, '1ms1s1m1h-'),
(-3661001, '1m1ms1h1s-'),
)
@data_provider(shorthand_format_data)
def test_parse_shorthand_format(self, expected, shorthand_format):
self.assertEquals(expected, Time.parse(shorthand_format).ms)
str_data = (
(0, '00:00:00,000'),
(1, '00:00:00,001'),
(1000, '00:00:01,000'),
(1001, '00:00:01,001'),
(60000, '00:01:00,000'),
(60001, '00:01:00,001'),
(61000, '00:01:01,000'),
(61001, '00:01:01,001'),
(3600000, '01:00:00,000'),
(3660000, '01:01:00,000'),
(3661000, '01:01:01,000'),
(3661001, '01:01:01,001'),
(35999999, '09:59:59,999'),
(-1, '-00:00:00,001'),
(-1000, '-00:00:01,000'),
(-1001, '-00:00:01,001'),
(-60000, '-00:01:00,000'),
(-60001, '-00:01:00,001'),
(-61000, '-00:01:01,000'),
(-61001, '-00:01:01,001'),
(-3600000, '-01:00:00,000'),
(-3660000, '-01:01:00,000'),
(-3661000, '-01:01:01,000'),
(-3661001, '-01:01:01,001'),
(-35999999, '-09:59:59,999'),
)
@data_provider(str_data)
def test_str(self, time, expected):
self.assertEquals(expected, str(Time(time)))
parts_data = lambda: (
(0, (0, 0, 0, 0)),
(1, (0, 0, 0, 1)),
(1000, (0, 0, 1, 0)),
(1001, (0, 0, 1, 1)),
(60000, (0, 1, 0, 0)),
(60001, (0, 1, 0, 1)),
(61000, (0, 1, 1, 0)),
(61001, (0, 1, 1, 1)),
(3600000, (1, 0, 0, 0)),
(3660000, (1, 1, 0, 0)),
(3661000, (1, 1, 1, 0)),
(3661001, (1, 1, 1, 1)),
(35999999, (9, 59, 59, 999)),
)
def test_int(self):
r = random.randint(1, 99999999)
t = Time(r)
self.assertEquals(int(t), r)
add_data = (
(3000, Time(1000), Time(2000)),
(3000, Time(1000), '2s'),
(-1000, Time(1000), '-2s'),
(3000, Time(1), '2999ms'),
(1, Time(3000), '-2999ms'),
(3000, Time(1000), '0:0:2,000'),
(3000, Time(5999), '-2999ms'),
)
@data_provider(add_data)
def test_add(self, expect, t1, t2):
self.assertEquals(expect, int(t1 + t2))
mul_data = (
(3000, Time(1000), 3),
)
@data_provider(mul_data)
def test_mul(self, expect, t1, t2):
self.assertEquals(expect, int(t1 * t2))
class SpanTest(unittest.TestCase):
span_format_data = (
( [1, 2], '0:0:0,1 --> 0:0:0,2' ),
( [35999990, 35999999], '9:59:59,990 --> 9:59:59,999' ),
)
@data_provider(span_format_data)
def test_parse(self, times, span_format):
s = Span.parse(span_format)
self.assertEquals(times, map(int, (s.stime, s.etime)))
@data_provider(span_format_data)
def test_add(self, times, span_format):
s = Span.parse(span_format) + 100
self.assertEquals(map(lambda t: t + 100, times), map(int, (s.stime, s.etime)))
@data_provider(span_format_data)
def test_mul(self, times, span_format):
s = Span.parse(span_format) * 4
self.assertEquals(map(lambda t: t * 4, times), map(int, (s.stime, s.etime)))
str_data = (
( '00:00:00,001 --> 00:00:00,002', '0:0:0,1 --> 0:0:0,2' ),
( '09:59:59,990 --> 09:59:59,999', '9:59:59,990 --> 9:59:59,999' ),
)
@data_provider(str_data)
def test_mul(self, formatted, span_format):
s = Span.parse(span_format)
self.assertEquals(formatted, str(s))