sigstat 0.0.4

Statsig Rust SDK for usage in multi-user server environments.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130

mod utils;

pub mod specs_adapter_tests {
    use crate::utils::mock_data_store::MockDataStore;
    use crate::utils::mock_specs_listener::MockSpecsListener;
    use sigstat::data_store_interface::DataStoreResponse;
    use sigstat::{
        hashing, SpecAdapterConfig, SpecsAdapter, SpecsAdapterType, SpecsSource,
        StatsigCustomizedSpecsAdapter, StatsigOptions, StatsigRuntime,
    };
    use std::sync::Arc;

    #[cfg(feature = "with_grpc")]
    use sigstat_grpc::mock_forward_proxy::{api::ConfigSpecResponse, MockForwardProxy};

    #[cfg(feature = "with_grpc")]
    #[tokio::test]
    async fn test_data_store_with_streaming() {
        let rt = StatsigRuntime::get_runtime();
        let (adapter, mock_proxy, data_store, mock_listener) =
            setup_datastore_and_streaming_combo().await;
        mock_proxy
            .send_stream_update(Ok(ConfigSpecResponse {
                spec: "bg_sync_1".to_string(),
                last_updated: 2,
            }))
            .await;
        data_store
            .mock_response(DataStoreResponse {
                time: Some(1),
                result: Some("init_payload".to_string()),
            })
            .await;

        adapter.initialize(mock_listener.clone());
        adapter.clone().start(&rt).await;
        mock_listener.wait_for_next_update().await;
        // Use data store
        let received_update = mock_listener.force_get_most_recent_update();
        assert_eq!(
            received_update.source,
            SpecsSource::Adapter("DataStore".to_string())
        );
        assert_eq!(received_update.data, "init_payload".to_string()); // examine time
        adapter.clone().schedule_background_sync(&rt).await;

        mock_listener.wait_for_next_update().await;
        let received_update_2 = mock_listener.force_get_most_recent_update();
        assert_eq!(
            received_update_2.source,
            SpecsSource::Adapter("GRPC".to_string())
        );
        assert_eq!(received_update_2.data, "bg_sync_1".to_string()); // examine time
    }

    #[cfg(feature = "with_grpc")]
    #[tokio::test]
    async fn test_data_store_with_streaming_cache_miss() {
        use sigstat::SpecsAdapter;

        let rt = StatsigRuntime::get_runtime();
        let (adapter, mock_proxy, data_store, mock_listener) =
            setup_datastore_and_streaming_combo().await;

        mock_proxy
            .send_stream_update(Ok(ConfigSpecResponse {
                spec: "bg_sync_1".to_string(),
                last_updated: 2,
            }))
            .await;

        adapter.initialize(mock_listener.clone());
        adapter.clone().start(&rt).await;
        mock_listener.wait_for_next_update().await;
        let received_update = mock_listener.force_get_most_recent_update();
        assert_eq!(
            received_update.source,
            SpecsSource::Adapter("GRPC".to_string())
        );
        assert_eq!(received_update.data, "bg_sync_1".to_string()); // examine time
        mock_proxy
            .send_stream_update(Ok(ConfigSpecResponse {
                spec: "bg_sync_2".to_string(),
                last_updated: 3,
            }))
            .await;
        mock_listener.wait_for_next_update().await;
        let received_update_2 = mock_listener.force_get_most_recent_update();
        assert_eq!(
            received_update_2.source,
            SpecsSource::Adapter("GRPC".to_string())
        );
        assert_eq!(received_update_2.data, "bg_sync_2".to_string()); // examine time
        mock_proxy.stop().await;
    }

    #[cfg(feature = "with_grpc")]
    async fn setup_datastore_and_streaming_combo() -> (
        Arc<StatsigCustomizedSpecsAdapter>,
        Arc<MockForwardProxy>,
        Arc<MockDataStore>,
        Arc<MockSpecsListener>,
    ) {
        let mock_proxy = MockForwardProxy::spawn().await;
        let mock_listener = Arc::new(MockSpecsListener::default());
        let data_store = Arc::new(MockDataStore::new(false));
        let configs = vec![
            SpecAdapterConfig {
                adapter_type: SpecsAdapterType::DataStore,
                init_timeout_ms: 3000,
                specs_url: None,
            },
            SpecAdapterConfig {
                adapter_type: SpecsAdapterType::NetworkGrpcWebsocket,
                init_timeout_ms: 3000,
                specs_url: Some(format!("http://{}", mock_proxy.proxy_address).to_string()),
            },
        ];
        let mut options = StatsigOptions::new();
        options.data_store = Some(data_store.clone());
        let adapter = Arc::new(StatsigCustomizedSpecsAdapter::new_from_config(
            "secret-key",
            configs,
            &options,
            &hashing::HashUtil::new(),
        ));

        (adapter, mock_proxy, data_store, mock_listener)
    }
}