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
|
// Copyright 2017 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package collections
import (
"fmt"
"testing"
"github.com/gohugoio/hugo/common/maps"
qt "github.com/frankban/quicktest"
)
func TestIndex(t *testing.T) {
t.Parallel()
c := qt.New(t)
ns := newNs()
var (
emptyInterface any
nilPointer *int
)
for i, test := range []struct {
item any
indices []any
expect any
isErr bool
}{
{[]int{0, 1}, []any{0}, 0, false},
{[]int{0, 1}, []any{9}, nil, false}, // index out of range
{[]uint{0, 1}, nil, []uint{0, 1}, false},
{[][]int{{1, 2}, {3, 4}}, []any{0, 0}, 1, false},
{map[int]int{1: 10, 2: 20}, []any{1}, 10, false},
{map[int]int{1: 10, 2: 20}, []any{0}, 0, false},
{map[string]map[string]string{"a": {"b": "c"}}, []any{"a", "b"}, "c", false},
{[]map[string]map[string]string{{"a": {"b": "c"}}}, []any{0, "a", "b"}, "c", false},
{map[string]map[string]any{"a": {"b": []string{"c", "d"}}}, []any{"a", "b", 1}, "d", false},
{maps.Params{"a": "av"}, []any{"A"}, "av", false},
{maps.Params{"a": map[string]any{"b": "bv"}}, []any{"A", "B"}, "bv", false},
// These used to be errors.
// See issue 10489.
{nil, nil, nil, false},
{nil, []any{0}, nil, false},
{emptyInterface, []any{0}, nil, false},
{nilPointer, []any{0}, nil, false},
// errors
{[]int{0, 1}, []any{"1"}, nil, true},
{[]int{0, 1}, []any{nil}, nil, true},
{tstNoStringer{}, []any{0}, nil, true},
} {
c.Run(fmt.Sprintf("vararg %d", i), func(c *qt.C) {
errMsg := qt.Commentf("[%d] %v", i, test)
result, err := ns.Index(test.item, test.indices...)
if test.isErr {
c.Assert(err, qt.Not(qt.IsNil), errMsg)
return
}
c.Assert(err, qt.IsNil, errMsg)
c.Assert(result, qt.DeepEquals, test.expect, errMsg)
})
c.Run(fmt.Sprintf("slice %d", i), func(c *qt.C) {
errMsg := qt.Commentf("[%d] %v", i, test)
result, err := ns.Index(test.item, test.indices)
if test.isErr {
c.Assert(err, qt.Not(qt.IsNil), errMsg)
return
}
c.Assert(err, qt.IsNil, errMsg)
c.Assert(result, qt.DeepEquals, test.expect, errMsg)
})
}
}
|