refactor: merge dnsx and errorsx into netxlite (#517)

When preparing a tutorial for netxlite, I figured it is easier
to tell people "hey, this is the package you should use for all
low-level networking stuff" rather than introducing people to
a set of packages working together where some piece of functionality
is here and some other piece is there.

Part of https://github.com/ooni/probe/issues/1591
This commit is contained in:
Simone Basso 2021-09-28 12:42:01 +02:00 committed by GitHub
commit 6d3a4f1db8
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169 changed files with 575 additions and 671 deletions

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@ -7,7 +7,7 @@ import (
"net"
"testing"
"github.com/ooni/probe-cli/v3/internal/netxlite/errorsx"
"github.com/ooni/probe-cli/v3/internal/netxlite"
"github.com/ooni/probe-cli/v3/internal/netxlite/mocks"
)
@ -19,14 +19,14 @@ func TestErrorWrapperDialerFailure(t *testing.T) {
},
}}
conn, err := d.DialContext(ctx, "tcp", "www.google.com:443")
var ew *errorsx.ErrWrapper
var ew *netxlite.ErrWrapper
if !errors.As(err, &ew) {
t.Fatal("cannot convert to ErrWrapper")
}
if ew.Operation != errorsx.ConnectOperation {
if ew.Operation != netxlite.ConnectOperation {
t.Fatal("unexpected operation", ew.Operation)
}
if ew.Failure != errorsx.FailureEOFError {
if ew.Failure != netxlite.FailureEOFError {
t.Fatal("unexpected failure", ew.Failure)
}
if !errors.Is(ew.WrappedErr, io.EOF) {
@ -68,14 +68,14 @@ func TestErrorWrapperConnReadFailure(t *testing.T) {
}
buf := make([]byte, 1024)
cnt, err := c.Read(buf)
var ew *errorsx.ErrWrapper
var ew *netxlite.ErrWrapper
if !errors.As(err, &ew) {
t.Fatal("cannot cast error to ErrWrapper")
}
if ew.Operation != errorsx.ReadOperation {
if ew.Operation != netxlite.ReadOperation {
t.Fatal("invalid operation", ew.Operation)
}
if ew.Failure != errorsx.FailureEOFError {
if ew.Failure != netxlite.FailureEOFError {
t.Fatal("invalid failure", ew.Failure)
}
if !errors.Is(ew.WrappedErr, io.EOF) {
@ -114,14 +114,14 @@ func TestErrorWrapperConnWriteFailure(t *testing.T) {
}
buf := make([]byte, 1024)
cnt, err := c.Write(buf)
var ew *errorsx.ErrWrapper
var ew *netxlite.ErrWrapper
if !errors.As(err, &ew) {
t.Fatal("cannot cast error to ErrWrapper")
}
if ew.Operation != errorsx.WriteOperation {
if ew.Operation != netxlite.WriteOperation {
t.Fatal("invalid operation", ew.Operation)
}
if ew.Failure != errorsx.FailureEOFError {
if ew.Failure != netxlite.FailureEOFError {
t.Fatal("invalid failure", ew.Failure)
}
if !errors.Is(ew.WrappedErr, io.EOF) {
@ -159,14 +159,14 @@ func TestErrorWrapperConnCloseFailure(t *testing.T) {
},
}
err := c.Close()
var ew *errorsx.ErrWrapper
var ew *netxlite.ErrWrapper
if !errors.As(err, &ew) {
t.Fatal("cannot cast error to ErrWrapper")
}
if ew.Operation != errorsx.CloseOperation {
if ew.Operation != netxlite.CloseOperation {
t.Fatal("invalid operation", ew.Operation)
}
if ew.Failure != errorsx.FailureEOFError {
if ew.Failure != netxlite.FailureEOFError {
t.Fatal("invalid failure", ew.Failure)
}
if !errors.Is(ew.WrappedErr, io.EOF) {