53 lines
860 B
Go
53 lines
860 B
Go
package slice
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestKeys(t *testing.T) {
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var (
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cases = []struct {
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name string
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in interface{}
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out string
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}{
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{
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in: map[string]interface{}{"b": nil, "c": nil, "d": nil, "a": nil},
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// warning! false booleans will not be set and that is ok!
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out: "a,b,c,d",
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},
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{
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in: map[int]interface{}{4: nil, 2: nil, 3: nil, 1: nil},
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// warning! false booleans will not be set and that is ok!
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out: "1,2,3,4",
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},
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{
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in: nil,
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out: "",
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},
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{
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in: 42,
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out: "",
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},
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}
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)
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for _, c := range cases {
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if c.name == "" && c.in != nil {
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c.name = fmt.Sprintf("%T", c.in)
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}
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t.Run(c.name, func(t *testing.T) {
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var (
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req = require.New(t)
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)
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req.EqualValues(c.out, strings.Join(Keys(c.in), ","))
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})
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}
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}
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