4284291729

Build Type

github

Committed by GitHub

Commit Message

Merge 8169ebedc into be03cc87c

Pull Request Pull Request #10: Bump github.com/stretchr/testify from 1.8.1 to 1.8.2

Run Details

180 of 192 relevant lines covered (93.75%)

10.7 hits per line

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88.24

/with_nic_from_ipv4.go

package macpot

import (
        "fmt"
        "strconv"
        "strings"
)

// WithNICFromIPv4 is an Option for New() that sets the generated MAC address with fixed
// NIC based on the provided IPv4 address. It uses the last 3 bytes of the
// address.
func WithNICFromIPv4(ip string) Option {
        parts := strings.Split(ip, ".")

        return func(mac *MAC) error {
                // We will skip the first part.
                if len(parts) != nicByteLength+1 {
                        return IPv4Error{Message: fmt.Sprintf("invalid IPv4 address: %s", ip)}
                }

                for idx := 0; idx < nicByteLength; idx++ {
                        value, err := strconv.ParseInt(parts[idx+1], base10, ipIntSize)
                        if err != nil {
                                return IPv4Error{Message: err.Error()}
                        }

                        if err := mac.SetOctet(ouiByteLength+idx, byte(value)); err != nil {
                                return err
                        }
                }

                return nil
        }
}

1	package macpot
2
3	import (
4	"fmt"
5	"strconv"
6	"strings"
7	)
8
9	// WithNICFromIPv4 is an Option for New() that sets the generated MAC address with fixed
10	// NIC based on the provided IPv4 address. It uses the last 3 bytes of the
11	// address.
12	func WithNICFromIPv4(ip string) Option {	8✔
13	parts := strings.Split(ip, ".")	8✔
14		8✔
15	return func(mac *MAC) error {	16✔
16	// We will skip the first part.	8✔
17	if len(parts) != nicByteLength+1 {	10✔
18	return IPv4Error{Message: fmt.Sprintf("invalid IPv4 address: %s", ip)}	2✔
19	}	2✔
20
21	for idx := 0; idx < nicByteLength; idx++ {	23✔
22	value, err := strconv.ParseInt(parts[idx+1], base10, ipIntSize)	17✔
23	if err != nil {	18✔
24	return IPv4Error{Message: err.Error()}	1✔
25	}	1✔
26
27	if err := mac.SetOctet(ouiByteLength+idx, byte(value)); err != nil {	16✔
28	return err	×
29	}	×
30	}
31
32	return nil	5✔
33	}
34	}

yitsushi / macpot / 4284291729

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