url_shortener/internal/lib/random/random_test.go

48 lines
843 B
Go

package random_test
import (
"testing"
"url-shortener/internal/lib/random"
"github.com/stretchr/testify/assert"
)
func TestNewRandomString(t *testing.T) {
tests := []struct {
name string
size int
}{
{
name: "size = 1",
size: 1,
},
{
name: "size = 6",
size: 6,
},
{
name: "size = 10",
size: 10,
},
{
name: "size = 20",
size: 20,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
str1 := random.NewRandomString(tt.size)
str2 := random.NewRandomString(tt.size)
assert.Len(t, str1, tt.size)
assert.Len(t, str2, tt.size)
// Check that two generated strings are different
// This is not an absolute guarantee that the function works correctly,
// but this is a good heuristic for a simple random generator.
assert.NotEqual(t, str1, str2)
})
}
}