Fix lint errors (#70)

v2/mock/mock.go

@@ -0,0 +1,36 @@
+// Package mock offers mock implementations of interfaces defined in types.go.
+// This allows complete control over input / output for any given method that consumes a given type.
+package mock
+
+import (
+	"errors"
+	"net"
+
+	"github.com/sony/sonyflake/v2/types"
+)
+
+// NewSuccessfulInterfaceAddrs returns a single private IP address.
+func NewSuccessfulInterfaceAddrs() types.InterfaceAddrs {
+	ifat := make([]net.Addr, 0, 1)
+	ifat = append(ifat, &net.IPNet{IP: []byte{192, 168, 0, 1}, Mask: []byte{255, 0, 0, 0}})
+
+	return func() ([]net.Addr, error) {
+		return ifat, nil
+	}
+}
+
+var ErrFailedToGetAddresses = errors.New("failed to get addresses")
+
+// NewFailingInterfaceAddrs returns an error.
+func NewFailingInterfaceAddrs() types.InterfaceAddrs {
+	return func() ([]net.Addr, error) {
+		return nil, ErrFailedToGetAddresses
+	}
+}
+
+// NewNilInterfaceAddrs returns an empty slice of addresses.
+func NewNilInterfaceAddrs() types.InterfaceAddrs {
+	return func() ([]net.Addr, error) {
+		return []net.Addr{}, nil
+	}
+}