162 lines
3.2 KiB
Go
162 lines
3.2 KiB
Go
package mocks
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import (
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"context"
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"errors"
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"net"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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)
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func TestDialer(t *testing.T) {
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t.Run("DialContext", func(t *testing.T) {
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expected := errors.New("mocked error")
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d := Dialer{
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MockDialContext: func(ctx context.Context, network string, address string) (net.Conn, error) {
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return nil, expected
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},
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}
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ctx := context.Background()
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conn, err := d.DialContext(ctx, "tcp", "8.8.8.8:53")
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected")
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}
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if conn != nil {
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t.Fatal("expected nil conn")
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}
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})
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t.Run("CloseIdleConnections", func(t *testing.T) {
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var called bool
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d := &Dialer{
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MockCloseIdleConnections: func() {
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called = true
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},
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}
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d.CloseIdleConnections()
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if !called {
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t.Fatal("not called")
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}
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})
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}
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func TestConn(t *testing.T) {
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t.Run("Read", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockRead: func(b []byte) (int, error) {
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return 0, expected
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},
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}
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count, err := c.Read(make([]byte, 128))
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected")
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}
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if count != 0 {
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t.Fatal("expected 0 bytes")
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}
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})
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t.Run("Write", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockWrite: func(b []byte) (int, error) {
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return 0, expected
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},
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}
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count, err := c.Write(make([]byte, 128))
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected")
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}
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if count != 0 {
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t.Fatal("expected 0 bytes")
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}
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})
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t.Run("Close", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockClose: func() error {
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return expected
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},
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}
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err := c.Close()
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected")
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}
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})
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t.Run("LocalAddr", func(t *testing.T) {
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expected := &net.TCPAddr{
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IP: net.IPv6loopback,
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Port: 1234,
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}
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c := &Conn{
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MockLocalAddr: func() net.Addr {
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return expected
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},
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}
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out := c.LocalAddr()
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if diff := cmp.Diff(expected, out); diff != "" {
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t.Fatal(diff)
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}
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})
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t.Run("RemoteAddr", func(t *testing.T) {
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expected := &net.TCPAddr{
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IP: net.IPv6loopback,
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Port: 1234,
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}
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c := &Conn{
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MockRemoteAddr: func() net.Addr {
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return expected
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},
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}
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out := c.RemoteAddr()
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if diff := cmp.Diff(expected, out); diff != "" {
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t.Fatal(diff)
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}
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})
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t.Run("SetDeadline", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockSetDeadline: func(t time.Time) error {
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return expected
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},
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}
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err := c.SetDeadline(time.Time{})
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected", err)
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}
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})
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t.Run("SetReadDeadline", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockSetReadDeadline: func(t time.Time) error {
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return expected
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},
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}
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err := c.SetReadDeadline(time.Time{})
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected", err)
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}
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})
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t.Run("SetWriteDeadline", func(t *testing.T) {
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expected := errors.New("mocked error")
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c := &Conn{
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MockSetWriteDeadline: func(t time.Time) error {
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return expected
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},
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}
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err := c.SetWriteDeadline(time.Time{})
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if !errors.Is(err, expected) {
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t.Fatal("not the error we expected", err)
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}
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})
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}
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