tideway 0.7.17

A batteries-included Rust web framework built on Axum for building SaaS applications quickly
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
163
164
165
166
167
168
169

#[cfg(feature = "metrics")]
mod tests {
    use std::sync::Arc;
    use tideway::testing::get as test_get;
    use tideway::{App, ConfigBuilder, MetricsCollector};

    #[tokio::test]
    async fn test_metrics_collector_creation() {
        let collector = MetricsCollector::new();
        assert!(collector.is_ok());
    }

    #[tokio::test]
    async fn test_metrics_collector_recording() {
        let collector = Arc::new(MetricsCollector::new().unwrap());

        // Record some requests
        collector.record_request(
            "GET",
            "/api/test",
            200,
            std::time::Duration::from_millis(50),
        );
        collector.record_request(
            "POST",
            "/api/test",
            201,
            std::time::Duration::from_millis(100),
        );
        collector.record_request(
            "GET",
            "/api/test",
            404,
            std::time::Duration::from_millis(10),
        );

        // Increment in-flight
        collector.increment_in_flight();
        assert_eq!(collector.http_requests_in_flight.get(), 1);

        collector.decrement_in_flight();
        assert_eq!(collector.http_requests_in_flight.get(), 0);
    }

    #[tokio::test]
    async fn test_metrics_endpoint_returns_prometheus_format() {
        use tideway::MetricsConfig;

        let config = ConfigBuilder::new()
            .with_metrics(
                MetricsConfig::builder()
                    .enabled(true)
                    .path("/metrics")
                    .build(),
            )
            .build()
            .unwrap();

        let app = App::with_config(config).into_router();

        let response = test_get(app, "/metrics").execute().await.assert_ok();

        // Verify it returns Prometheus text format
        let body = response.body_string().await;
        // Prometheus metrics should contain HELP and TYPE comments
        assert!(
            body.contains("# HELP") || body.contains("# TYPE") || body.is_empty(),
            "Expected Prometheus format, got: {}",
            body
        );
    }

    #[tokio::test]
    async fn test_metrics_endpoint_custom_path() {
        use tideway::MetricsConfig;

        let config = ConfigBuilder::new()
            .with_metrics(
                MetricsConfig::builder()
                    .enabled(true)
                    .path("/custom/metrics")
                    .build(),
            )
            .build()
            .unwrap();

        let app = App::with_config(config).into_router();

        // Should be available at custom path
        test_get(app.clone(), "/custom/metrics")
            .execute()
            .await
            .assert_ok();

        // Should NOT be at default path
        test_get(app, "/metrics").execute().await.assert_not_found();
    }

    #[tokio::test]
    async fn test_metrics_endpoint_with_app_builder() {
        use tideway::MetricsConfig;

        let config = ConfigBuilder::new()
            .with_metrics(
                MetricsConfig::builder()
                    .enabled(true)
                    .path("/metrics")
                    .build(),
            )
            .build()
            .unwrap();

        let app = App::builder().with_config(config).build().into_router();

        test_get(app, "/metrics").execute().await.assert_ok();
    }

    #[tokio::test]
    async fn test_metrics_endpoint_integration() {
        use tideway::MetricsConfig;

        let config = ConfigBuilder::new()
            .with_port(8080) // Use a valid port
            .with_metrics(
                MetricsConfig::builder()
                    .enabled(true)
                    .path("/metrics")
                    .build(),
            )
            .build()
            .unwrap();

        let _router = App::with_config(config).into_router();
    }

    #[tokio::test]
    async fn test_metrics_path_normalization() {
        let collector = Arc::new(MetricsCollector::new().unwrap());

        // Record requests with IDs
        collector.record_request(
            "GET",
            "/api/users/123",
            200,
            std::time::Duration::from_millis(50),
        );
        collector.record_request(
            "GET",
            "/api/users/456",
            200,
            std::time::Duration::from_millis(60),
        );

        let gathered = collector.registry().gather();
        assert!(!gathered.is_empty());
    }

    #[tokio::test]
    async fn test_metrics_disabled() {
        use tideway::MetricsConfig;

        let config = ConfigBuilder::new()
            .with_metrics(MetricsConfig::builder().enabled(false).build())
            .build()
            .unwrap();

        let _router = App::with_config(config).into_router();
    }
}