Function TestLocationMiddle

tail_test.go:194–209

(t *testing.T)

}

func TestLocationMiddle(t *testing.T) {
	// Test reading from middle.
	tailTest := NewTailTest("location-middle", t)
	tailTest.CreateFile("test.txt", "hello\nworld\n")
	tail := tailTest.StartTail("test.txt", Config{Follow: true, Location: &SeekInfo{-6, os.SEEK_END}})
	go tailTest.VerifyTailOutput(tail, []string{"world", "more", "data"}, false)

	<-time.After(100 * time.Millisecond)
	tailTest.AppendFile("test.txt", "more\ndata\n")

	// Delete after a reasonable delay, to give tail sufficient time
	// to read all lines.
	<-time.After(100 * time.Millisecond)
	tailTest.RemoveFile("test.txt")
	tailTest.Cleanup(tail, true)
}

// The use of polling file watcher could affect file rotation
// (detected via renames), so test these explicitly.