81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
package errorsx
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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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"github.com/ooni/probe-cli/v3/internal/netxmocks"
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)
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func TestErrorWrapperResolverSuccess(t *testing.T) {
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orig := []string{"8.8.8.8"}
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r := &ErrorWrapperResolver{
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Resolver: &netxmocks.Resolver{
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MockLookupHost: func(ctx context.Context, domain string) ([]string, error) {
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return orig, nil
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},
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},
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}
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addrs, err := r.LookupHost(context.Background(), "dns.google.com")
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if err != nil {
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t.Fatal(err)
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}
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if len(addrs) != len(orig) || addrs[0] != orig[0] {
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t.Fatal("not the result we expected")
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}
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}
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func TestErrorWrapperResolverFailure(t *testing.T) {
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r := &ErrorWrapperResolver{
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Resolver: &netxmocks.Resolver{
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MockLookupHost: func(ctx context.Context, domain string) ([]string, error) {
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return nil, errors.New("no such host")
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},
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},
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}
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ctx := context.Background()
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addrs, err := r.LookupHost(ctx, "dns.google.com")
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if addrs != nil {
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t.Fatal("expected nil addr here")
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}
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var errWrapper *ErrWrapper
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if !errors.As(err, &errWrapper) {
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t.Fatal("cannot properly cast the returned error")
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}
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if errWrapper.Failure != FailureDNSNXDOMAINError {
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t.Fatal("unexpected failure")
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}
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if errWrapper.Operation != ResolveOperation {
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t.Fatal("unexpected Operation")
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}
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}
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func TestErrorWrapperResolverChildNetworkAddress(t *testing.T) {
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r := &ErrorWrapperResolver{Resolver: &netxmocks.Resolver{
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MockNetwork: func() string {
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return "udp"
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},
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MockAddress: func() string {
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return "8.8.8.8:53"
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},
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}}
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if r.Network() != "udp" {
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t.Fatal("invalid Network")
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}
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if r.Address() != "8.8.8.8:53" {
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t.Fatal("invalid Address")
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}
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}
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func TestErrorWrapperResolverNoChildNetworkAddress(t *testing.T) {
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r := &ErrorWrapperResolver{Resolver: &net.Resolver{}}
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if r.Network() != "errorWrapper" {
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t.Fatal("invalid Network")
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}
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if r.Address() != "" {
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t.Fatal("invalid Address")
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}
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}
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