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|
package uuid
import (
"errors"
"fmt"
"net"
"testing"
)
func TestIsAsError(t *testing.T) {
tcs := []struct {
err error
expected string
expectedErr error
}{
{
err: fmt.Errorf("%w sample error: %v", ErrInvalidVersion, 123),
expected: "uuid: sample error: 123",
expectedErr: ErrInvalidVersion,
},
{
err: fmt.Errorf("%w", ErrInvalidFormat),
expected: "uuid: invalid UUID format",
expectedErr: ErrInvalidFormat,
},
{
err: fmt.Errorf("%w %q", ErrIncorrectFormatInString, "test"),
expected: "uuid: incorrect UUID format in string \"test\"",
expectedErr: ErrIncorrectFormatInString,
},
}
for i, tc := range tcs {
t.Run(fmt.Sprintf("Test case %d", i), func(t *testing.T) {
if tc.err.Error() != tc.expected {
t.Errorf("expected err.Error() to be '%s' but was '%s'", tc.expected, tc.err.Error())
}
var uuidErr Error
if !errors.As(tc.err, &uuidErr) {
t.Error("expected errors.As() to work")
}
if !errors.Is(tc.err, tc.expectedErr) {
t.Errorf("expected error to be, or wrap, the %v sentinel error", tc.expectedErr)
}
})
}
}
func TestParseErrors(t *testing.T) {
tcs := []struct {
function string
uuidStr string
expected string
}{
{ // 34 chars - With brackets
function: "parse",
uuidStr: "..................................",
expected: "uuid: incorrect UUID format in string \"..................................\"",
},
{ // 41 chars - urn:uuid:
function: "parse",
uuidStr: "123456789................................",
expected: "uuid: incorrect UUID format in string \"123456789\"",
},
{ // other
function: "parse",
uuidStr: "....",
expected: "uuid: incorrect UUID length 4 in string \"....\"",
},
{ // 36 chars - canonical, but not correct format
function: "parse",
uuidStr: "....................................",
expected: "uuid: incorrect UUID format in string \"....................................\"",
},
{ // 36 chars - canonical, invalid data
function: "parse",
uuidStr: "xx00ae9e-dae3-459f-ad0e-6b574be3f950",
expected: "uuid: invalid UUID format",
},
{ // Hash like
function: "parse",
uuidStr: "................................",
expected: "uuid: invalid UUID format",
},
{ // Hash like, invalid
function: "parse",
uuidStr: "xx00ae9edae3459fad0e6b574be3f950",
expected: "uuid: invalid UUID format",
},
{ // Hash like, invalid
function: "parse",
uuidStr: "xx00ae9edae3459fad0e6b574be3f950",
expected: "uuid: invalid UUID format",
},
}
for i, tc := range tcs {
t.Run(fmt.Sprintf("Test case %d", i), func(t *testing.T) {
id := UUID{}
err := id.Parse(tc.uuidStr)
if err == nil {
t.Error("expected an error")
return
}
if err.Error() != tc.expected {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), tc.expected)
}
err = id.UnmarshalText([]byte(tc.uuidStr))
if err == nil {
t.Error("expected an error")
return
}
if err.Error() != tc.expected {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), tc.expected)
}
})
}
}
func TestUnmarshalBinaryError(t *testing.T) {
id := UUID{}
b := make([]byte, 33)
expectedErr := "uuid: UUID must be exactly 16 bytes long, got 33 bytes"
err := id.UnmarshalBinary([]byte(b))
if err == nil {
t.Error("expected an error")
return
}
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
}
func TestScanError(t *testing.T) {
id := UUID{}
err := id.Scan(123)
if err == nil {
t.Error("expected an error")
return
}
expectedErr := "uuid: cannot convert int to UUID"
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
}
func TestUUIDVersionErrors(t *testing.T) {
// UUId V1 Version
id := FromStringOrNil("e86160d3-beff-443c-b9b5-1f8197ccb12e")
_, err := TimestampFromV1(id)
if err == nil {
t.Error("expected an error")
return
}
expectedErr := "uuid: e86160d3-beff-443c-b9b5-1f8197ccb12e is version 4, not version 1"
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
// UUId V2 Version
id = FromStringOrNil("e86160d3-beff-443c-b9b5-1f8197ccb12e")
_, err = TimestampFromV6(id)
if err == nil {
t.Error("expected an error")
return
}
expectedErr = "uuid: e86160d3-beff-443c-b9b5-1f8197ccb12e is version 4, not version 6"
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
// UUId V7 Version
id = FromStringOrNil("e86160d3-beff-443c-b9b5-1f8197ccb12e")
_, err = TimestampFromV7(id)
if err == nil {
t.Error("expected an error")
return
}
expectedErr = "uuid: e86160d3-beff-443c-b9b5-1f8197ccb12e is version 4, not version 7"
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
}
// This test cannot be run in parallel with other tests since it modifies the
// global state
func TestErrNoHwAddressFound(t *testing.T) {
netInterfaces = func() ([]net.Interface, error) {
return nil, nil
}
defer func() {
netInterfaces = net.Interfaces
}()
_, err := defaultHWAddrFunc()
if err == nil {
t.Error("expected an error")
return
}
expectedErr := "uuid: no HW address found"
if err.Error() != expectedErr {
t.Errorf("unexpected error '%s' != '%s'", err.Error(), expectedErr)
}
}
|
