Aneurin Barker Snook
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package validate
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import (
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"errors"
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"fmt"
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"testing"
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)
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func ExampleMaxLength() {
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testMaxLength := MaxLength(8)
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fmt.Println(testMaxLength("this string is too long"))
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// Output: must contain no more than 8 characters
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}
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func ExampleMinLength() {
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testMinLength := MinLength(8)
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fmt.Println(testMinLength("2short"))
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// Output: must contain at least 8 characters
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}
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func TestMaxLength(t *testing.T) {
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testCases := map[int]map[string]error{
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8: {"abcd": nil, "abcdefgh": nil, "abcd efg": nil, "abcdefghi": ErrMustBeShorter.With(8)},
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}
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for setup, values := range testCases {
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testMaxLength := MaxLength(setup)
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for input, want := range values {
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t.Run(fmt.Sprintf("%d/%s", setup, input), func(t *testing.T) {
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got := testMaxLength(input)
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if !errors.Is(got, want) {
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t.Error("got", got)
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t.Error("want", want)
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}
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})
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}
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}
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}
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func TestMinLength(t *testing.T) {
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testCases := map[int]map[string]error{
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8: {"abcd": ErrMustBeLonger.With(8), "abcdefgh": nil, "abcd efg": nil, "abcdefghi": nil},
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}
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for setup, values := range testCases {
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testMinLength := MinLength(setup)
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for input, want := range values {
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t.Run(fmt.Sprintf("%d/%s", setup, input), func(t *testing.T) {
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got := testMinLength(input)
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if !errors.Is(got, want) {
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t.Error("got", got)
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t.Error("want", want)
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}
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})
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}
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}
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}
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