Hunter0x7c7
2022-08-11 a82f9cb69f63aaeba40c024960deda7d75b9fece
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package stats_test
 
import (
    "context"
    "testing"
    "time"
 
    . "github.com/v2fly/v2ray-core/v5/app/stats"
    "github.com/v2fly/v2ray-core/v5/common"
    "github.com/v2fly/v2ray-core/v5/features/stats"
)
 
func TestInterface(t *testing.T) {
    _ = (stats.Manager)(new(Manager))
}
 
func TestStatsChannelRunnable(t *testing.T) {
    raw, err := common.CreateObject(context.Background(), &Config{})
    common.Must(err)
 
    m := raw.(stats.Manager)
 
    ch1, err := m.RegisterChannel("test.channel.1")
    c1 := ch1.(*Channel)
    common.Must(err)
 
    if c1.Running() {
        t.Fatalf("unexpected running channel: test.channel.%d", 1)
    }
 
    common.Must(m.Start())
 
    if !c1.Running() {
        t.Fatalf("unexpected non-running channel: test.channel.%d", 1)
    }
 
    ch2, err := m.RegisterChannel("test.channel.2")
    c2 := ch2.(*Channel)
    common.Must(err)
 
    if !c2.Running() {
        t.Fatalf("unexpected non-running channel: test.channel.%d", 2)
    }
 
    s1, err := c1.Subscribe()
    common.Must(err)
    common.Must(c1.Close())
 
    if c1.Running() {
        t.Fatalf("unexpected running channel: test.channel.%d", 1)
    }
 
    select { // Check all subscribers in closed channel are closed
    case _, ok := <-s1:
        if ok {
            t.Fatalf("unexpected non-closed subscriber in channel: test.channel.%d", 1)
        }
    case <-time.After(500 * time.Millisecond):
        t.Fatalf("unexpected non-closed subscriber in channel: test.channel.%d", 1)
    }
 
    if len(c1.Subscribers()) != 0 { // Check subscribers in closed channel are emptied
        t.Fatalf("unexpected non-empty subscribers in channel: test.channel.%d", 1)
    }
 
    common.Must(m.Close())
 
    if c2.Running() {
        t.Fatalf("unexpected running channel: test.channel.%d", 2)
    }
 
    ch3, err := m.RegisterChannel("test.channel.3")
    c3 := ch3.(*Channel)
    common.Must(err)
 
    if c3.Running() {
        t.Fatalf("unexpected running channel: test.channel.%d", 3)
    }
 
    common.Must(c3.Start())
    common.Must(m.UnregisterChannel("test.channel.3"))
 
    if c3.Running() { // Test that unregistering will close the channel.
        t.Fatalf("unexpected running channel: test.channel.%d", 3)
    }
}