def test_now_to_1_year(self, run_in_various_years):
# The following two tests test the span from "now" to "a year from
# now". Depending on when the test is run, the interval may include a
# leap year. The 'try' assumes it's not a leap year, the 'except'
# tries it again as a leap year.
try:
assert dtw(0, 31536000) == "1 year"
assert dtw(1, 31536001) == "1 year"
except AssertionError: # If the intervening year contains February 29th
assert dtw(0, 31536000) == "11 months and 30 days"
assert dtw(1, 31536001) == "11 months and 30 days"
def now_to_1_year(self):
# The following two tests test the span from "now" to "a year from
# now". Depending on when the test is run, the interval may include a
# leap year. The 'try' assumes it's not a leap year, the 'except'
# tries it again as a leap year.
try:
assert dtw(0, 31536000) == "1 year"
assert dtw(1, 31536001) == "1 year"
except AssertionError: # If the intervening year contains February 29th
assert dtw(0, 31536000) == "11 months and 30 days"
assert dtw(1, 31536001) == "11 months and 30 days"
def test_symmetry(self):
# Should get the same values going forward and backward
from_time = self.from_time
to_time = self.to_time
assert dtw(from_time, to_time) == dtw(to_time, from_time)
assert dtw(from_time, to_time, "month") == dtw(to_time, from_time, "month")
assert dtw(from_time, to_time, "year") == dtw(to_time, from_time, "year")
def test_spot_checks(self):
# Spot checks
from_time = DT(
200, 2, 2, 0, 12, 12, 0,
None) # 12 minutes, 12 seconds past midnight on Feb 2 200AD
to_time = DT(1981, 3, 31, 7, 31, 0, 0, None) # 7:31 am, March 31, 1981
assert dtw(
from_time, to_time
) == "17 centuries, 8 decades, 1 year, 1 month, 29 days, 7 hours, 18 minutes and 48 seconds"
assert dtw(
from_time, to_time, granularity="hour"
) == "17 centuries, 8 decades, 1 year, 1 month, 29 days and 7 hours"
assert dtw(
from_time, to_time, granularity="hour", round=True
) == "17 centuries, 8 decades, 1 year, 1 month, 29 days and 7 hours"
assert dtw(from_time, to_time, granularity="month"
) == "17 centuries, 8 decades, 1 year and 1 month"
assert dtw(
from_time, to_time, granularity="month",
round=True) == "17 centuries, 8 decades, 1 year and 2 months"
from_time = DT(200, 2, 2, 12, 30, 30, 0,
None) # 12:30:30, Feb 2, 200AD
to_time = DT(220, 3, 2, 12, 30, 31, 0, None) # 12:30:31, Mar 2, 220AD
assert dtw(from_time, to_time) == "2 decades, 1 month and 1 second"
def test_symmetry(self):
# Should get the same values going forward and backward
from_time = self.from_time
to_time = self.to_time
assert dtw(from_time, to_time) == dtw(to_time, from_time)
assert dtw(from_time, to_time, "month") == dtw(to_time, from_time,
"month")
assert dtw(from_time, to_time, "year") == dtw(to_time, from_time,
"year")
def test_spot_checks(self):
# Spot checks
from_time = DT(200, 2, 2, 0, 12, 12, 0, None) # 12 minutes, 12 seconds past midnight on Feb 2 200AD
to_time = DT(1981, 3, 31, 7, 31, 0, 0, None) # 7:31 am, March 31, 1981
assert dtw(from_time, to_time) == "17 centuries, 8 decades, 1 year, 1 month, 29 days, 7 hours, 18 minutes and 48 seconds"
assert dtw(from_time, to_time, granularity = "hour") == "17 centuries, 8 decades, 1 year, 1 month, 29 days and 7 hours"
assert dtw(from_time, to_time, granularity = "hour", round=True) == "17 centuries, 8 decades, 1 year, 1 month, 29 days and 7 hours"
assert dtw(from_time, to_time, granularity = "month") == "17 centuries, 8 decades, 1 year and 1 month"
assert dtw(from_time, to_time, granularity = "month", round=True) == "17 centuries, 8 decades, 1 year and 2 months"
from_time = DT(200, 2, 2, 12, 30, 30, 0, None) # 12:30:30, Feb 2, 200AD
to_time = DT(220, 3, 2, 12, 30, 31, 0, None) # 12:30:31, Mar 2, 220AD
assert dtw(from_time, to_time) == "2 decades, 1 month and 1 second"
def test2(self):
assert dtw(86399, granularity='day') == "less than 1 day"
def test1(self):
assert dtw(86399, round=True, granularity="day") == "1 day"
def test1(self):
assert dtw(86399, round=True, granularity="day") == "1 day"
def test6(self):
b = "1 month, 15 days, 6 hours and 49 minutes"
assert dtw(self.start, self.end, granularity="second") == b
def test_plural2(self):
assert dtw(DT(2000, 1,1), DT(2000, 2, 1)) == "1 month"
assert dtw(DT(2000, 1,1), DT(2000, 5, 1)) == "4 months"
def test5(self):
b = "less than 1 decade"
assert dtw(self.start, self.end, granularity="decade") == b
def test6(self):
b = "1 month, 15 days, 6 hours and 49 minutes"
assert dtw(self.start, self.end, granularity="second") == b
def test_granularity(self):
# Ensure we get the correct granularity when the times are the same
from_time = self.from_time
assert dtw(from_time, from_time, "second") == "0 seconds"
assert dtw(from_time, from_time, "day") == "0 days"
assert dtw(from_time, from_time, "century") == "0 centuries"
def test_february_nonleap(self):
# February 2nd 2007 to March 1 2007 is 27 days because February is shorter month in the year
assert dtw(DT(2007,2,2), DT(2007, 3, 1)) == "27 days"
def test_february_leap(self):
# February 2nd 2008 to March 1 2008 is 28 days because it's a leap year
assert dtw(DT(2008, 2, 2), DT(2008, 3, 1)) == "28 days"
def test3(self):
assert dtw(86399) == "23 hours, 59 minutes and 59 seconds"
def test_february_nonleap(self):
# February 2nd 2007 to March 1 2007 is 27 days because February is shorter month in the year
assert dtw(DT(2007, 2, 2), DT(2007, 3, 1)) == "27 days"
def test4(self):
b = "1 month, 15 days, 6 hours and 49 minutes"
assert dtw(self.start, self.end) == b
def test_integer_seconds(self):
# Test that if integers are supplied they are interpreted as seconds from now
assert dtw(1) == "1 second"
def test3(self):
assert dtw(86399) == "23 hours, 59 minutes and 59 seconds"
def test2(self):
assert dtw(86399, granularity='day') == "less than 1 day"
def test4(self):
b = "1 month, 15 days, 6 hours and 49 minutes"
assert dtw(self.start, self.end) == b
def test_smaller_than_granularity(self):
# We are not over the finest granularity
assert dtw(1, granularity="hour") == "less than 1 hour"
assert dtw(86399, granularity="day") == "less than 1 day"
def test_integer_seconds(self):
# Test that if integers are supplied they are interpreted as seconds from now
assert dtw(1) == "1 second"
def test_grandularity_round_second_value(self):
# Rounding at the second value makes no difference
from_time = self.from_time
to_time = self.to_time
assert dtw(to_time, from_time, granularity="second") == \
dtw(to_time, from_time, granularity="second", round=True)
def test_smaller_than_granularity(self):
# We are not over the finest granularity
assert dtw(1, granularity="hour") == "less than 1 hour"
assert dtw(86399, granularity="day") == "less than 1 day"
def test5(self):
b = "less than 1 decade"
assert dtw(self.start, self.end, granularity="decade") == b
def test_february_leap(self):
# February 2nd 2008 to March 1 2008 is 28 days because it's a leap year
assert dtw(DT(2008,2,2), DT(2008, 3, 1)) == "28 days"
def test_grandularity_round_up(self):
# Round up if the granularity after the supplied granularity is high enough
assert dtw(86399, round=True, granularity="day") == "1 day"
assert dtw(290, round=True, granularity="minute") == "5 minutes"
assert dtw(86689, round=True,
granularity="minute") == "1 day and 5 minutes"
def test_granularity(self):
# Ensure we get the correct granularity when the times are the same
from_time = self.from_time
assert dtw(from_time, from_time, "second") == "0 seconds"
assert dtw(from_time, from_time, "day") == "0 days"
assert dtw(from_time, from_time, "century") == "0 centuries"
def test_grandularity_round_second_value(self):
# Rounding at the second value makes no difference
from_time = self.from_time
to_time = self.to_time
assert dtw(to_time, from_time, granularity="second") == \
dtw(to_time, from_time, granularity="second", round=True)
def test_grandularity_round_up(self):
# Round up if the granularity after the supplied granularity is high enough
assert dtw(86399, round=True, granularity="day") == "1 day"
assert dtw(290, round=True, granularity="minute") == "5 minutes"
assert dtw(86689, round=True, granularity="minute") == "1 day and 5 minutes"
def test_round_smaller_than_granularity(self):
assert dtw(1, granularity="hour", round=True) == "less than 1 hour"
def test_plural(self):
# Pluralization
assert dtw(DT(200, 1,1), DT(300, 1, 1)) == "1 century"
assert dtw(DT(200, 1,1), DT(500, 1, 1)) == "3 centuries"
def test_plural(self):
# Pluralization
assert dtw(DT(200, 1, 1), DT(300, 1, 1)) == "1 century"
assert dtw(DT(200, 1, 1), DT(500, 1, 1)) == "3 centuries"
def test_plural2(self):
assert dtw(DT(2000, 1, 1), DT(2000, 2, 1)) == "1 month"
assert dtw(DT(2000, 1, 1), DT(2000, 5, 1)) == "4 months"
def test_round_smaller_than_granularity(self):
assert dtw(1, granularity="hour", round=True) == "less than 1 hour"
