conproxy 0.2.1

Cache proxy server for heterogeneous RAG/vector search backends with cascade, scope, and MCP
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162

use super::*;
use crate::proxy::types::{CacheStatus, QueryResponse, SearchResult};

fn make_response(content: &str) -> QueryResponse {
    QueryResponse {
        results: vec![SearchResult {
            id: "test".to_string(),
            score: 1.0,
            content: content.to_string(),
            metadata: None,
            upstream_id: None,
        }],
        cache_status: CacheStatus::Miss,
        took_ms: 10,
        generated_at: None,
        miss_reason: None,
    }
}

#[test]
fn test_cleanup_config_default() {
    let config = CleanupConfig::default();
    assert_eq!(config.interval, Duration::from_secs(300));
    assert!(!config.check_integrity);
}

#[test]
fn test_cleanup_worker_creation() {
    let cache = Arc::new(CacheStore::new(
        Duration::from_secs(300),
        Duration::from_secs(3600),
        1000,
    ));
    let cancel = CancellationToken::new();
    let config = CleanupConfig::default();

    let _worker = CleanupWorker::new(cache, config, cancel);
}

#[tokio::test]
async fn test_cleanup_worker_cancellation() {
    let mut cache = CacheStore::new(Duration::from_millis(10), Duration::from_millis(20), 1000);
    cache.set_max_frozen_duration(Duration::from_millis(30));
    let cache = Arc::new(cache);
    let cancel = CancellationToken::new();
    let config = CleanupConfig {
        interval: Duration::from_millis(50),
        check_integrity: false,
    };

    cache.insert("test", make_response("content"), "upstream".to_string());

    let worker = Arc::new(CleanupWorker::new(cache.clone(), config, cancel.clone()));

    // Start worker
    let worker_clone = worker.clone();
    let handle = tokio::spawn(async move {
        worker_clone.run().await;
    });

    // Wait for a cleanup cycle
    tokio::time::sleep(Duration::from_millis(100)).await;

    // Cancel
    cancel.cancel();

    // Worker should stop
    let _ = tokio::time::timeout(Duration::from_millis(200), handle).await;
}

#[test]
fn test_cleanup_worker_with_metrics() {
    let cache = Arc::new(CacheStore::new(
        Duration::from_secs(300),
        Duration::from_secs(3600),
        1000,
    ));
    let metrics = Arc::new(ProxyMetrics::new());
    let cancel = CancellationToken::new();
    let config = CleanupConfig::default();

    let worker = CleanupWorker::with_metrics(cache, metrics, config, cancel);
    // Verify the worker was created with metrics (it has the metrics field set)
    // We can't directly inspect private fields, but we can verify no panic
    drop(worker);
}

#[test]
fn test_cleanup_config_custom() {
    let config = CleanupConfig {
        interval: Duration::from_secs(60),
        check_integrity: true,
    };
    assert_eq!(config.interval, Duration::from_secs(60));
    assert!(config.check_integrity);
}

#[tokio::test]
async fn test_cleanup_worker_with_integrity_check() {
    let mut cache = CacheStore::new(Duration::from_millis(10), Duration::from_millis(20), 1000);
    cache.set_max_frozen_duration(Duration::from_millis(30));
    let cache = Arc::new(cache);
    let metrics = Arc::new(ProxyMetrics::new());
    let cancel = CancellationToken::new();
    let config = CleanupConfig {
        interval: Duration::from_millis(50),
        check_integrity: true,
    };

    cache.insert("test", make_response("content"), "upstream".to_string());

    let worker = Arc::new(CleanupWorker::with_metrics(
        cache.clone(),
        metrics,
        config,
        cancel.clone(),
    ));

    let worker_clone = worker.clone();
    let handle = tokio::spawn(async move {
        worker_clone.run().await;
    });

    // Wait for cleanup + integrity check cycle
    tokio::time::sleep(Duration::from_millis(120)).await;

    cancel.cancel();
    let _ = tokio::time::timeout(Duration::from_millis(200), handle).await;
}

#[tokio::test]
async fn test_cleanup_evicts_expired_entries() {
    let mut cache = CacheStore::new(Duration::from_millis(10), Duration::from_millis(20), 1000);
    cache.set_max_frozen_duration(Duration::from_millis(30));
    let cache = Arc::new(cache);
    let cancel = CancellationToken::new();
    let config = CleanupConfig {
        interval: Duration::from_millis(50),
        check_integrity: false,
    };

    // Insert entries that will expire quickly
    cache.insert("test1", make_response("content1"), "upstream".to_string());
    cache.insert("test2", make_response("content2"), "upstream".to_string());
    assert_eq!(cache.len(), 2);

    let worker = Arc::new(CleanupWorker::new(cache.clone(), config, cancel.clone()));

    let worker_clone = worker.clone();
    let handle = tokio::spawn(async move {
        worker_clone.run().await;
    });

    // Wait for entries to expire and cleanup to run
    tokio::time::sleep(Duration::from_millis(200)).await;

    cancel.cancel();
    let _ = tokio::time::timeout(Duration::from_millis(200), handle).await;

    // Expired entries should have been cleaned up
    assert_eq!(cache.len(), 0);
}