// Ensure a subscription can be removed.
func TestData_DropSubscription(t *testing.T) {
var data meta.Data
rpi := &meta.RetentionPolicyInfo{
Name: "rp0",
ReplicaN: 3,
}
if err := data.CreateDatabase("db0"); err != nil {
t.Fatal(err)
} else if err := data.CreateRetentionPolicy("db0", rpi); err != nil {
t.Fatal(err)
} else if err := data.CreateSubscription("db0", "rp0", "s0", "ANY", []string{"udp://h0:1234", "udp://h1:1234"}); err != nil {
t.Fatal(err)
} else if err := data.CreateSubscription("db0", "rp0", "s1", "ALL", []string{"udp://h0:1234", "udp://h1:1234"}); err != nil {
t.Fatal(err)
}
if err := data.DropSubscription("db0", "rp0", "s0"); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(data.Databases[0].RetentionPolicies[0].Subscriptions, []meta.SubscriptionInfo{
{Name: "s1", Mode: "ALL", Destinations: []string{"udp://h0:1234", "udp://h1:1234"}},
}) {
t.Fatalf("unexpected subscriptions: %#v", data.Databases[0].RetentionPolicies[0].Subscriptions)
}
}