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//go:build go1.18
// +build go1.18
package mysql
import (
"net"
"testing"
)
func FuzzFormatDSN(f *testing.F) {
for _, test := range testDSNs { // See dsn_test.go
f.Add(test.in)
}
f.Fuzz(func(t *testing.T, dsn1 string) {
// Do not waste resources
if len(dsn1) > 1000 {
t.Skip("ignore: too long")
}
cfg1, err := ParseDSN(dsn1)
if err != nil {
t.Skipf("invalid DSN: %v", err)
}
dsn2 := cfg1.FormatDSN()
if dsn2 == dsn1 {
return
}
// Skip known cases of bad config that are not strictly checked by ParseDSN
if _, _, err := net.SplitHostPort(cfg1.Addr); err != nil {
t.Skipf("invalid addr %q: %v", cfg1.Addr, err)
}
cfg2, err := ParseDSN(dsn2)
if err != nil {
t.Fatalf("%q rewritten as %q: %v", dsn1, dsn2, err)
}
dsn3 := cfg2.FormatDSN()
if dsn3 != dsn2 {
t.Errorf("%q rewritten as %q", dsn2, dsn3)
}
})
}
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