-
Notifications
You must be signed in to change notification settings - Fork 453
/
test_utils.go
146 lines (127 loc) · 3.53 KB
/
test_utils.go
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
// Copyright (c) 2019 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package testing
import (
"fmt"
"math"
"github.com/stretchr/testify/assert"
)
func toFloat(x interface{}) (float64, bool) {
var xf float64
xok := true
switch xn := x.(type) {
case uint8:
xf = float64(xn)
case uint16:
xf = float64(xn)
case uint32:
xf = float64(xn)
case uint64:
xf = float64(xn)
case int:
xf = float64(xn)
case int8:
xf = float64(xn)
case int16:
xf = float64(xn)
case int32:
xf = float64(xn)
case int64:
xf = float64(xn)
case float32:
xf = float64(xn)
case float64:
xf = xn
default:
xok = false
}
return xf, xok
}
func castToFloats(
t assert.TestingT,
expected, actual interface{},
) (float64, float64, bool) {
af, aok := toFloat(expected)
bf, bok := toFloat(actual)
if !aok || !bok {
return 0, 0, assert.Fail(t, "expected or actual are unexpected types")
}
return af, bf, true
}
// EqualWithNaNs compares two numbers for equality, accounting for NaNs.
func EqualWithNaNs(
t assert.TestingT,
expected, actual interface{},
msgAndArgs ...interface{},
) bool {
af, bf, ok := castToFloats(t, expected, actual)
if !ok {
return ok
}
if math.IsNaN(af) && math.IsNaN(bf) {
return true
}
return assert.Equal(t, af, bf, msgAndArgs)
}
// InDeltaWithNaNs compares two floats for equality within a delta,
// accounting for NaNs.
func InDeltaWithNaNs(
t assert.TestingT,
expected, actual interface{},
delta float64,
msgAndArgs ...interface{},
) bool {
af, bf, ok := castToFloats(t, expected, actual)
if !ok {
return ok
}
if math.IsNaN(af) && math.IsNaN(bf) {
return true
}
dt := af - bf
if dt < -delta || dt > delta {
return assert.Fail(t,
fmt.Sprintf(
"Max difference between %v and %v allowed is %v, but difference was %v",
expected, actual, delta, dt), msgAndArgs...)
}
return true
}
// Equalish asserts that two objects are equal. Looser than assert.Equal since
// it checks for equality of printing expected vs printing actual.
//
// assert.Equal(t, 123, 123, "123 and 123 should be equal")
//
// Returns whether the assertion was successful (true) or not (false).
func Equalish(
t assert.TestingT,
expected, actual interface{},
msgAndArgs ...interface{},
) bool {
if assert.ObjectsAreEqual(expected, actual) {
return true
}
// Last ditch effort
if fmt.Sprintf("%#v", expected) == fmt.Sprintf("%#v", actual) {
return true
}
return assert.Fail(t, fmt.Sprintf("Not equal: %#v (expected)\n"+
" != %#v (actual)", expected, actual), msgAndArgs...)
}