1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
import cf
import math
import os
import time
def test():
start_time = time.time()
print '----------------------------------------------------------'
print 'cf.Units'
print '----------------------------------------------------------'
# ----------------------------------------------------------------
# cf.Units.equals
# ----------------------------------------------------------------
assert cf.Units('m')==cf.Units('m')
assert cf.Units('m')==cf.Units('metres')
assert cf.Units('m')==cf.Units('meTRES')
assert cf.Units('days since 2000-1-1')==cf.Units('d since 2000-1-1 0:0')
assert cf.Units('days since 2000-1-1')!=cf.Units('h since 1234-1-1 0:0')
assert cf.Units('days since 2000-1-1')==cf.Units('d since 2000-1-1 0:0', calendar='gregorian')
assert cf.Units('days since 2000-1-1')==cf.Units('d since 2000-1-1 0:0', calendar='standard')
assert cf.Units(calendar='noleap')==cf.Units(calendar='noleap')
assert cf.Units(calendar='noleap')==cf.Units(calendar='365_day')
assert cf.Units(calendar='nOLEAP')==cf.Units(calendar='365_dAY')
assert cf.Units('days since 2000-1-1', calendar='all_leap')==cf.Units('d since 2000-1-1 0:0', calendar='366_day')
assert cf.Units('days since 2000-1-1', calendar='all_leap')!=cf.Units('h since 2000-1-1 0:0', calendar='366_day')
print "cf.Units.equals passed"
# ----------------------------------------------------------------
# cf.Units.equivalent
# ----------------------------------------------------------------
assert cf.Units('m').equivalent(cf.Units('m'))
assert cf.Units('meter').equivalent(cf.Units('km'))
assert cf.Units('metre').equivalent(cf.Units('mile'))
assert cf.Units('s').equivalent(cf.Units('h'))
assert cf.Units('s').equivalent(cf.Units('day'))
assert cf.Units('second').equivalent(cf.Units('month'))
assert cf.Units(calendar='noleap').equivalent(cf.Units(calendar='noleap'))
assert cf.Units(calendar='noleap').equivalent(cf.Units(calendar='365_day'))
assert cf.Units(calendar='nOLEAP').equivalent(cf.Units(calendar='365_dAY'))
assert cf.Units('days since 2000-1-1').equivalent(cf.Units('d since 2000-1-1 0:0'))
assert cf.Units('days since 2000-1-1').equivalent(cf.Units('h since 1234-1-1 0:0'))
assert cf.Units('days since 2000-1-1').equivalent(cf.Units('d since 2000-1-1 0:0', calendar='gregorian'))
assert cf.Units('days since 2000-1-1').equivalent(cf.Units('h since 1234-1-1 0:0', calendar='standard'))
assert cf.Units('days since 2000-1-1', calendar='all_leap').equivalent(cf.Units('d since 2000-1-1 0:0', calendar='366_day'))
assert cf.Units('days since 2000-1-1', calendar='all_leap').equivalent(cf.Units('h since 1234-1-1 0:0', calendar='366_day'))
print "cf.Units.equivalent passed"
# ----------------------------------------------------------------
# cf.Units arithmetic
# ----------------------------------------------------------------
assert (cf.Units('m')*2) ==cf.Units('2m')
assert (cf.Units('m')/2) ==cf.Units('0.5m')
assert (cf.Units('m')//2) ==cf.Units('0.5m')
assert (cf.Units('m')+2) ==cf.Units('m @ -2')
assert (cf.Units('m')-2) ==cf.Units('m @ 2')
assert (cf.Units('m')**2) ==cf.Units('m2')
assert (cf.Units('m')**-2) ==cf.Units('m-2')
assert (cf.Units('m2')**0.5)==cf.Units('m')
u = cf.Units('m')
v = u
u *= 2
assert u==cf.Units('2m')
assert u!=v
u = cf.Units('m')
v = u
u /= 2
assert u==cf.Units('0.5m')
assert u!=v
u = cf.Units('m')
v = u
u //= 2
assert u==cf.Units('0.5m')
assert u!=v
u = cf.Units('m')
v = u
u += 2
assert u==cf.Units('m @ -2')
assert u!=v
u = cf.Units('m')
v = u
u -= 2
assert u==cf.Units('m @ 2')
assert u!=v
u = cf.Units('m')
v = u
u **= 2
assert u==cf.Units('m2')
assert u!=v
assert (2*cf.Units('m')) ==cf.Units('2m')
assert (2/cf.Units('m')) ==cf.Units('2 m-1')
assert (2//cf.Units('m'))==cf.Units('2 m-1')
assert (2+cf.Units('m')) ==cf.Units('m @ -2')
assert (2-cf.Units('m')) ==cf.Units('-1 m @ -2')
assert (cf.Units('m')*cf.Units('2m')) ==cf.Units('2 m2')
assert (cf.Units('m')/cf.Units('2m')) ==cf.Units('0.5')
assert (cf.Units('m')//cf.Units('2m'))==cf.Units('0.5')
u = cf.Units('m')
v = u
u *= u
assert u==cf.Units('m2')
assert u!=v
u = cf.Units('m')
v = u
u /= u
assert u==cf.Units('1')
assert u!=v
u = cf.Units('m')
v = u
u //= u
assert u==cf.Units('1')
assert u!=v
assert cf.Units('m').log(10) ==cf.Units('lg(re 1 m)')
assert cf.Units('m').log(2) ==cf.Units('lb(re 1 m)')
assert cf.Units('m').log(math.e)==cf.Units('ln(re 1 m)')
assert cf.Units('m').log(1.5) ==cf.Units('2.46630346237643 ln(re 1 m)')
print "cf.Units arithmetic passed"
time_elapsed = (time.time() - start_time)/60.0
print
print '---------------------------------------------------------------------------'
print 'All cf.Units tests passed for cf version', cf.__version__
print 'Running from', os.path.abspath(cf.__file__)
print 'Time elapsed: %f minutes' % time_elapsed
print '---------------------------------------------------------------------------'
print
#--- End: def
if __name__ == "__main__":
test()
|
