camel_component_sql/
endpoint.rs

1use std::sync::Arc;
2use tokio::sync::OnceCell;
3
4use camel_component_api::{BodyType, BoxProcessor, CamelError};
5use camel_component_api::{Consumer, Endpoint, ProducerContext};
6use sqlx::AnyPool;
7
8use crate::config::SqlEndpointConfig;
9use crate::consumer::SqlConsumer;
10use crate::producer::SqlProducer;
11
12pub(crate) struct SqlEndpoint {
13    uri: String,
14    pub(crate) config: SqlEndpointConfig,
15    pub(crate) pool: Arc<OnceCell<AnyPool>>,
16}
17
18impl SqlEndpoint {
19    #[cfg(test)]
20    pub fn new(uri: String, config: SqlEndpointConfig) -> Self {
21        Self::new_with_pool(uri, config, Arc::new(OnceCell::new()))
22    }
23
24    pub fn new_with_pool(
25        uri: String,
26        config: SqlEndpointConfig,
27        pool: Arc<OnceCell<AnyPool>>,
28    ) -> Self {
29        Self { uri, config, pool }
30    }
31}
32
33impl Endpoint for SqlEndpoint {
34    fn uri(&self) -> &str {
35        &self.uri
36    }
37
38    fn create_producer(&self, _ctx: &ProducerContext) -> Result<BoxProcessor, CamelError> {
39        Ok(BoxProcessor::new(SqlProducer::new(
40            self.config.clone(),
41            Arc::clone(&self.pool),
42        )))
43    }
44
45    fn create_consumer(&self) -> Result<Box<dyn Consumer>, CamelError> {
46        Ok(Box::new(SqlConsumer::new(
47            self.config.clone(),
48            Arc::clone(&self.pool),
49        )))
50    }
51
52    fn body_contract(&self) -> Option<BodyType> {
53        if !self.config.use_message_body_for_sql {
54            return None;
55        }
56        if self.config.batch {
57            Some(BodyType::Json)
58        } else {
59            Some(BodyType::Text)
60        }
61    }
62}
63
64#[cfg(test)]
65mod tests {
66    use super::*;
67    use crate::config::SqlEndpointConfig;
68    use camel_component_api::Endpoint;
69    use camel_component_api::UriConfig;
70
71    fn make_endpoint(use_body: bool, batch: bool) -> SqlEndpoint {
72        let mut config =
73            SqlEndpointConfig::from_uri("sql:select 1?db_url=postgres://localhost/test")
74                .expect("valid SQL endpoint config");
75        config.use_message_body_for_sql = use_body;
76        config.batch = batch;
77
78        SqlEndpoint::new("sql:select 1".to_string(), config)
79    }
80
81    #[test]
82    fn body_contract_returns_some_text_when_body_mode_enabled_no_batch() {
83        let endpoint = make_endpoint(true, false);
84        assert_eq!(endpoint.body_contract(), Some(BodyType::Text));
85    }
86
87    #[test]
88    fn body_contract_returns_some_json_when_batch_mode_enabled() {
89        let endpoint = make_endpoint(true, true);
90        assert_eq!(endpoint.body_contract(), Some(BodyType::Json));
91    }
92
93    #[test]
94    fn body_contract_returns_none_when_body_mode_disabled() {
95        let endpoint = make_endpoint(false, false);
96        assert_eq!(endpoint.body_contract(), None);
97    }
98
99    #[test]
100    fn body_contract_returns_none_when_batch_without_body_mode() {
101        let endpoint = make_endpoint(false, true);
102        assert_eq!(endpoint.body_contract(), None);
103    }
104
105    #[test]
106    fn new_stores_uri_and_config() {
107        let config = SqlEndpointConfig::from_uri("sql:select 1?db_url=postgres://localhost/test")
108            .expect("valid config");
109        let endpoint = SqlEndpoint::new("sql:select 1".to_string(), config.clone());
110        assert_eq!(endpoint.uri(), "sql:select 1");
111        assert_eq!(endpoint.config.db_url, "postgres://localhost/test");
112    }
113
114    #[test]
115    fn uri_returns_stored_uri() {
116        let endpoint = make_endpoint(false, false);
117        assert_eq!(endpoint.uri(), "sql:select 1");
118    }
119
120    #[test]
121    fn create_producer_returns_ok() {
122        let endpoint = make_endpoint(false, false);
123        let ctx = ProducerContext::new();
124        let result = endpoint.create_producer(&ctx);
125        assert!(result.is_ok());
126    }
127
128    #[test]
129    fn create_consumer_returns_ok() {
130        let endpoint = make_endpoint(false, false);
131        let result = endpoint.create_consumer();
132        assert!(result.is_ok());
133    }
134
135    #[test]
136    fn pool_is_shared_via_arc() {
137        let config = SqlEndpointConfig::from_uri("sql:select 1?db_url=postgres://localhost/test")
138            .expect("valid config");
139        let endpoint = SqlEndpoint::new("sql:select 1".to_string(), config);
140        let pool_ref1 = Arc::clone(&endpoint.pool);
141        let pool_ref2 = Arc::clone(&endpoint.pool);
142        assert!(Arc::ptr_eq(&pool_ref1, &pool_ref2));
143    }
144}
camel_component_sql/endpoint.rs

camel_component_sql/
endpoint.rs
