86 lines
1.5 KiB
Go
86 lines
1.5 KiB
Go
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package inotify
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import (
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"testing"
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"time"
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"golang.org/x/sys/unix"
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)
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func TestPollerWithBadFd(t *testing.T) {
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_, err := newPoller(-1)
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if err != unix.EBADF {
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t.Fatalf("Expected EBADF, got: %v", err)
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}
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}
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func TestPollerWithData(t *testing.T) {
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var tfd [2]int
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err := unix.Pipe(tfd[:])
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if err != nil {
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t.Fatalf("failed to create pipe: %v", err)
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}
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defer func() {
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unix.Close(tfd[0])
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unix.Close(tfd[1])
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}()
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poller, err := newPoller(tfd[0])
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if err != nil {
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t.Fatalf("Failed to create poller: %v", err)
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}
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oks := make(chan bool)
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go func() {
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ok, err := poller.wait()
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if err != nil {
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t.Fatalf("poller failed: %v", err)
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}
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oks <- ok
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}()
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select {
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case <-time.After(1000 * time.Millisecond):
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case <-oks:
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t.Fatalf("poller did not wait")
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}
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msg := "poller"
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buf := []byte(msg)
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_, err = unix.Write(tfd[1], buf)
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if err != nil {
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t.Fatalf("Failed to write to pipe: %v", err)
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}
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ok := <-oks
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if !ok {
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t.Fatalf("expected true")
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}
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buf2 := make([]byte, 2048)
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n, err := unix.Read(tfd[0], buf2)
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if string(buf2[:n]) != msg {
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t.Fatalf("read data error")
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}
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}
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func TestPollerWithClose(t *testing.T) {
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var tfd [2]int
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err := unix.Pipe(tfd[:])
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if err != nil {
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t.Fatalf("failed to create pipe: %v", err)
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}
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defer func() {
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unix.Close(tfd[0])
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}()
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poller, err := newPoller(tfd[0])
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if err != nil {
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t.Fatalf("Failed to create poller: %v", err)
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}
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unix.Close(tfd[1])
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ok, err := poller.wait()
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if err == nil {
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t.Fatalf("except poller")
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}
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if ok {
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t.Fatalf("expected poller to return true")
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}
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}
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