1
|
|
|
package generic |
2
|
|
|
|
3
|
|
|
import ( |
4
|
|
|
"testing" |
5
|
|
|
|
6
|
|
|
"github.com/stretchr/testify/assert" |
7
|
|
|
) |
8
|
|
|
|
9
|
|
|
func TestNewNumber(t *testing.T) { |
10
|
|
|
tests := []struct { |
11
|
|
|
name string |
12
|
|
|
value interface{} |
13
|
|
|
expected Number |
14
|
|
|
}{ |
15
|
|
|
{"uint", uint(123), Number{int: 123, float: 123, isInt: true}}, |
16
|
|
|
{"uint8", uint8(123), Number{int: 123, float: 123, isInt: true}}, |
17
|
|
|
{"uint16", uint16(123), Number{int: 123, float: 123, isInt: true}}, |
18
|
|
|
{"uint32", uint32(123), Number{int: 123, float: 123, isInt: true}}, |
19
|
|
|
{"uint64", uint64(123), Number{int: 123, float: 123, isInt: true}}, |
20
|
|
|
{"int", 123, Number{int: 123, float: 123, isInt: true}}, |
21
|
|
|
{"int8", int8(123), Number{int: 123, float: 123, isInt: true}}, |
22
|
|
|
{"int16", int16(123), Number{int: 123, float: 123, isInt: true}}, |
23
|
|
|
{"int32", int32(123), Number{int: 123, float: 123, isInt: true}}, |
24
|
|
|
{"int64", int64(123), Number{int: 123, float: 123, isInt: true}}, |
25
|
|
|
{"float32 as int", float32(123), Number{int: 123, float: 123, isInt: true}}, |
26
|
|
|
{"float64 as int", float64(123), Number{int: 123, float: 123, isInt: true}}, |
27
|
|
|
{"float32", float32(123.123), Number{int: 123, float: 123.12300109863281, isInt: false}}, |
28
|
|
|
{"float64", float64(123.123), Number{int: 123, float: 123.123, isInt: false}}, |
29
|
|
|
{"uint pointer", uintPointer(123), Number{int: 123, float: 123, isInt: true}}, |
30
|
|
|
{"int pointer", intPointer(123), Number{int: 123, float: 123, isInt: true}}, |
31
|
|
|
{"float64 pointer", floatPointer(123.123), Number{int: 123, float: 123.123, isInt: false}}, |
32
|
|
|
{"nil uint pointer", nilUint, Number{isNil: true}}, |
33
|
|
|
{"nil int pointer", nilInt, Number{isNil: true}}, |
34
|
|
|
{"nil float64 pointer", nilFloat, Number{isNil: true}}, |
35
|
|
|
} |
36
|
|
|
for _, test := range tests { |
37
|
|
|
t.Run(test.name, func(t *testing.T) { |
38
|
|
|
n, err := NewNumber(test.value) |
39
|
|
|
|
40
|
|
|
assert.NoError(t, err) |
41
|
|
|
if assert.NotNil(t, n) { |
42
|
|
|
assert.Equal(t, test.expected, *n) |
43
|
|
|
} |
44
|
|
|
}) |
45
|
|
|
} |
46
|
|
|
} |
47
|
|
|
|
48
|
|
|
func TestNewNumberFromInt(t *testing.T) { |
49
|
|
|
n := NewNumberFromInt(1) |
50
|
|
|
|
51
|
|
|
assert.Equal(t, int64(1), n.int) |
52
|
|
|
assert.Equal(t, float64(1), n.float) |
53
|
|
|
assert.True(t, n.isInt) |
54
|
|
|
} |
55
|
|
|
|
56
|
|
|
func TestNewNumberFromFloat(t *testing.T) { |
57
|
|
|
n := NewNumberFromFloat(1.5) |
58
|
|
|
|
59
|
|
|
assert.Equal(t, int64(1), n.int) |
60
|
|
|
assert.Equal(t, 1.5, n.float) |
61
|
|
|
assert.False(t, n.isInt) |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
func TestNumber_String_WhenNumberFromInt_ExpectInt(t *testing.T) { |
65
|
|
|
n := NewNumberFromInt(123) |
66
|
|
|
|
67
|
|
|
s := n.String() |
68
|
|
|
|
69
|
|
|
assert.Equal(t, "123", s) |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
func TestNumber_String_WhenNumberFromFloat_ExpectFloat(t *testing.T) { |
73
|
|
|
n := NewNumberFromFloat(123.123) |
74
|
|
|
|
75
|
|
|
s := n.String() |
76
|
|
|
|
77
|
|
|
assert.Equal(t, "123.123", s) |
78
|
|
|
} |
79
|
|
|
|
80
|
|
|
func TestNewNumber_WhenNotNumeric_ExpectError(t *testing.T) { |
81
|
|
|
n, err := NewNumber(struct{}{}) |
82
|
|
|
|
83
|
|
|
assert.Nil(t, n) |
84
|
|
|
assert.EqualError(t, err, "value of type struct is not numeric") |
85
|
|
|
} |
86
|
|
|
|
87
|
|
|
func TestMustNewNumber_WhenNotNumeric_ExpectPanic(t *testing.T) { |
88
|
|
|
assert.Panics(t, func() { |
89
|
|
|
MustNewNumber(struct{}{}) |
90
|
|
|
}) |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
func TestNumber_IsNil_WhenIsNil_ExpectTrue(t *testing.T) { |
94
|
|
|
n := MustNewNumber(nilInt) |
95
|
|
|
|
96
|
|
|
assert.True(t, n.IsNil()) |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
func TestNumber_IsZero(t *testing.T) { |
100
|
|
|
tests := []struct { |
101
|
|
|
name string |
102
|
|
|
n Number |
103
|
|
|
isZero bool |
104
|
|
|
}{ |
105
|
|
|
{"nil value is not zero", MustNewNumber(nilInt), false}, |
106
|
|
|
{"zero int is zero", MustNewNumber(0), true}, |
107
|
|
|
{"zero float is zero", MustNewNumber(0.0), true}, |
108
|
|
|
{"float less than 1.0 is not zero", MustNewNumber(0.0123), false}, |
109
|
|
|
} |
110
|
|
|
for _, test := range tests { |
111
|
|
|
t.Run(test.name, func(t *testing.T) { |
112
|
|
|
isZero := test.n.IsZero() |
113
|
|
|
|
114
|
|
|
assert.Equal(t, test.isZero, isZero) |
115
|
|
|
}) |
116
|
|
|
} |
117
|
|
|
} |
118
|
|
|
|
119
|
|
|
func TestCompareNumbers(t *testing.T) { |
120
|
|
|
tests := []struct { |
121
|
|
|
name string |
122
|
|
|
result bool |
123
|
|
|
expected bool |
124
|
|
|
}{ |
125
|
|
|
{"int equal to int", MustNewNumber(123).IsEqualTo(MustNewNumber(123)), true}, |
126
|
|
|
{"int not equal to int", MustNewNumber(123).IsEqualTo(MustNewNumber(124)), false}, |
127
|
|
|
{"nil not equal to any", MustNewNumber(nilInt).IsEqualTo(MustNewNumber(123)), false}, |
128
|
|
|
{"any not equal to nil", MustNewNumber(123).IsEqualTo(MustNewNumber(nilInt)), false}, |
129
|
|
|
{"float equal to float", MustNewNumber(123.123).IsEqualTo(MustNewNumber(123.123)), true}, |
130
|
|
|
{"float not equal to float", MustNewNumber(123.123).IsEqualTo(MustNewNumber(123.124)), false}, |
131
|
|
|
{"float equal to int", MustNewNumber(floatPointer(123)).IsEqualTo(MustNewNumber(123)), true}, |
132
|
|
|
{"int greater than int", MustNewNumber(123).IsGreaterThan(MustNewNumber(122)), true}, |
133
|
|
|
{"int not greater than int", MustNewNumber(123).IsGreaterThan(MustNewNumber(123)), false}, |
134
|
|
|
{"nil not greater than any", MustNewNumber(nilInt).IsGreaterThan(MustNewNumber(123)), false}, |
135
|
|
|
{"any not greater than nil", MustNewNumber(123).IsGreaterThan(MustNewNumber(nilInt)), false}, |
136
|
|
|
{"float greater than float", MustNewNumber(123.123).IsGreaterThan(MustNewNumber(123.122)), true}, |
137
|
|
|
{"float not greater than float", MustNewNumber(123.123).IsGreaterThan(MustNewNumber(123.123)), false}, |
138
|
|
|
{"float greater than int", MustNewNumber(floatPointer(123.01)).IsGreaterThan(MustNewNumber(123)), true}, |
139
|
|
|
{"int less than int", MustNewNumber(123).IsLessThan(MustNewNumber(124)), true}, |
140
|
|
|
{"int not less than int", MustNewNumber(123).IsLessThan(MustNewNumber(123)), false}, |
141
|
|
|
{"nil not less than any", MustNewNumber(nilInt).IsLessThan(MustNewNumber(123)), false}, |
142
|
|
|
{"any not less than nil", MustNewNumber(123).IsLessThan(MustNewNumber(nilInt)), false}, |
143
|
|
|
{"float less than float", MustNewNumber(123.123).IsLessThan(MustNewNumber(123.124)), true}, |
144
|
|
|
{"float not less than float", MustNewNumber(123.123).IsLessThan(MustNewNumber(123.123)), false}, |
145
|
|
|
{"float less than int", MustNewNumber(floatPointer(122.99)).IsLessThan(MustNewNumber(123)), true}, |
146
|
|
|
} |
147
|
|
|
for _, test := range tests { |
148
|
|
|
t.Run(test.name, func(t *testing.T) { |
149
|
|
|
assert.Equal(t, test.expected, test.result) |
150
|
|
|
}) |
151
|
|
|
} |
152
|
|
|
} |
153
|
|
|
|