ooni-probe-cli/internal/fsx/example_test.go
Simone Basso 6d3a4f1db8
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
2021-09-28 12:42:01 +02:00

36 lines
721 B
Go

package fsx_test
import (
"context"
"errors"
"fmt"
"log"
"path/filepath"
"syscall"
"github.com/ooni/probe-cli/v3/internal/fsx"
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
func ExampleOpenFile_openingDir() {
filep, err := fsx.OpenFile("testdata")
if !errors.Is(err, syscall.ENOENT) {
log.Fatal("unexpected error", err)
}
if filep != nil {
log.Fatal("expected nil fp")
}
}
func ExampleOpenFile_openingFile() {
filep, err := fsx.OpenFile(filepath.Join("testdata", "testfile.txt"))
if err != nil {
log.Fatal("unexpected error", err)
}
data, err := netxlite.ReadAllContext(context.Background(), filep)
if err != nil {
log.Fatal("unexpected error", err)
}
fmt.Printf("%d\n", len(data))
}