mirror of
https://github.com/bettercap/bettercap
synced 2025-07-16 10:03:39 -07:00
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
// +build linux
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package serial
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import (
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"os"
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"testing"
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"time"
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)
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func TestConnection(t *testing.T) {
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port0 := os.Getenv("PORT0")
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port1 := os.Getenv("PORT1")
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if port0 == "" || port1 == "" {
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t.Skip("Skipping test because PORT0 or PORT1 environment variable is not set")
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}
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c0 := &Config{Name: port0, Baud: 115200}
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c1 := &Config{Name: port1, Baud: 115200}
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s1, err := OpenPort(c0)
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if err != nil {
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t.Fatal(err)
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}
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s2, err := OpenPort(c1)
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if err != nil {
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t.Fatal(err)
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}
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ch := make(chan int, 1)
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go func() {
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buf := make([]byte, 128)
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var readCount int
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for {
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n, err := s2.Read(buf)
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if err != nil {
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t.Fatal(err)
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}
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readCount++
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t.Logf("Read %v %v bytes: % 02x %s", readCount, n, buf[:n], buf[:n])
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select {
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case <-ch:
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ch <- readCount
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close(ch)
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default:
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}
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}
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}()
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if _, err = s1.Write([]byte("hello")); err != nil {
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t.Fatal(err)
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}
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if _, err = s1.Write([]byte(" ")); err != nil {
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t.Fatal(err)
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}
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time.Sleep(time.Second)
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if _, err = s1.Write([]byte("world")); err != nil {
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t.Fatal(err)
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}
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time.Sleep(time.Second / 10)
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ch <- 0
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s1.Write([]byte(" ")) // We could be blocked in the read without this
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c := <-ch
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exp := 5
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if c >= exp {
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t.Fatalf("Expected less than %v read, got %v", exp, c)
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}
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}
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