mirror of
https://github.com/logos-messaging/libchat.git
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de9216a152
Implement a `client` crate that wraps the `libchat` context behind a simple `ChatClient<D>` API. The delivery strategy is pluggable via a `DeliveryService` trait, with two implementations provided: - `InProcessDelivery` — shared `MessageBus` for single-process tests - `CDelivery` — C function-pointer callback for the FFI layer Add a `client-ffi` crate that exposes the client as a C API via `safer-ffi`. A `generate-headers` binary produces the companion C header. Include two runnable examples: - `examples/in-process` — Alice/Bob exchange using in-process delivery - `examples/c-ffi` — same exchange written entirely in C; smoketested under valgrind (to catch memory leaks) in CI iterates: #71
72 lines
2.4 KiB
Rust
72 lines
2.4 KiB
Rust
use client::{
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ChatClient, ContentData, ConversationIdOwned, Cursor, InProcessDelivery, StorageConfig,
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};
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use std::sync::Arc;
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fn receive(receiver: &mut ChatClient<InProcessDelivery>, cursor: &mut Cursor) -> ContentData {
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let raw = cursor.next().expect("expected envelope");
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receiver
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.receive(&raw)
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.expect("receive failed")
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.expect("expected content")
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}
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#[test]
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fn saro_raya_message_exchange() {
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let delivery = InProcessDelivery::new(Default::default());
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let mut cursor = delivery.cursor_at_tail("delivery_address");
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let mut saro = ChatClient::new("saro", delivery.clone());
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let mut raya = ChatClient::new("raya", delivery);
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let raya_bundle = raya.create_intro_bundle().unwrap();
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let saro_convo_id = saro
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.create_conversation(&raya_bundle, b"hello raya")
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.unwrap();
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let content = receive(&mut raya, &mut cursor);
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assert_eq!(content.data, b"hello raya");
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assert!(content.is_new_convo);
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let raya_convo_id: ConversationIdOwned = Arc::from(content.conversation_id.as_str());
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raya.send_message(&raya_convo_id, b"hi saro").unwrap();
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let content = receive(&mut saro, &mut cursor);
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assert_eq!(content.data, b"hi saro");
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assert!(!content.is_new_convo);
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for i in 0u8..5 {
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let msg = format!("msg {i}");
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saro.send_message(&saro_convo_id, msg.as_bytes()).unwrap();
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let content = receive(&mut raya, &mut cursor);
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assert_eq!(content.data, msg.as_bytes());
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let reply = format!("reply {i}");
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raya.send_message(&raya_convo_id, reply.as_bytes()).unwrap();
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let content = receive(&mut saro, &mut cursor);
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assert_eq!(content.data, reply.as_bytes());
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}
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assert_eq!(saro.list_conversations().unwrap().len(), 1);
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assert_eq!(raya.list_conversations().unwrap().len(), 1);
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}
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#[test]
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fn open_persistent_client() {
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let dir = tempfile::tempdir().unwrap();
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let db_path = dir.path().join("test.db").to_string_lossy().to_string();
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let config = StorageConfig::File(db_path);
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let client1 = ChatClient::open("saro", config.clone(), InProcessDelivery::default()).unwrap();
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let name1 = client1.installation_name().to_string();
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drop(client1);
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let client2 = ChatClient::open("saro", config, InProcessDelivery::default()).unwrap();
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let name2 = client2.installation_name().to_string();
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assert_eq!(
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name1, name2,
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"installation name should persist across restarts"
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);
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}
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