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- package validate
- import (
- "errors"
- "fmt"
- "testing"
- )
- func ExampleIn() {
- testIn := In("abc", "def", "xyz")
- fmt.Println(testIn("123"))
- // Output: not allowed
- }
- func TestIn(t *testing.T) {
- testIn := In("abc", "def", "xyz")
- testCases := map[string]error{
- "abc": nil,
- "def": nil,
- "xyz": nil,
- "abcd": ErrValueNotAllowed,
- "123": ErrValueNotAllowed,
- "": ErrValueNotAllowed,
- }
- for input, want := range testCases {
- t.Run(input, func(t *testing.T) {
- got := testIn(input)
- if !errors.Is(got, want) {
- t.Error("got", got)
- t.Error("want", want)
- }
- })
- }
- }
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