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feat: cache-tracking progress

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This commit is contained in:
Yeachan-Heo
2026-04-01 06:25:26 +00:00
parent c9d214c8d1
commit 799c92eada
1 changed files with 39 additions and 3 deletions
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42
rust/crates/api/tests/client_integration.rs
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@@ -53,6 +53,8 @@ async fn send_message_posts_json_and_parses_response() {
assert_eq!(response.id, "msg_test");
assert_eq!(response.total_tokens(), 16);
assert_eq!(response.request_id.as_deref(), Some("req_body_123"));
assert_eq!(response.usage.cache_creation_input_tokens, 0);
assert_eq!(response.usage.cache_read_input_tokens, 0);
assert_eq!(
response.content,
vec![OutputContentBlock::Text {
@@ -83,6 +85,39 @@ async fn send_message_posts_json_and_parses_response() {
assert_eq!(body["tool_choice"]["type"], json!("auto"));
}
#[tokio::test]
async fn send_message_parses_prompt_cache_token_usage_from_response() {
let state = Arc::new(Mutex::new(Vec::<CapturedRequest>::new()));
let body = concat!(
"{",
"\"id\":\"msg_cache_tokens\",",
"\"type\":\"message\",",
"\"role\":\"assistant\",",
"\"content\":[{\"type\":\"text\",\"text\":\"Cache tokens\"}],",
"\"model\":\"claude-3-7-sonnet-latest\",",
"\"stop_reason\":\"end_turn\",",
"\"stop_sequence\":null,",
"\"usage\":{\"input_tokens\":12,\"cache_creation_input_tokens\":321,\"cache_read_input_tokens\":654,\"output_tokens\":4}",
"}"
);
let server = spawn_server(
state,
vec![http_response("200 OK", "application/json", body)],
)
.await;
let client = AnthropicClient::new("test-key").with_base_url(server.base_url());
let response = client
.send_message(&sample_request(false))
.await
.expect("request should succeed");
assert_eq!(response.usage.input_tokens, 12);
assert_eq!(response.usage.cache_creation_input_tokens, 321);
assert_eq!(response.usage.cache_read_input_tokens, 654);
assert_eq!(response.usage.output_tokens, 4);
}
#[tokio::test]
#[allow(clippy::await_holding_lock)]
async fn stream_message_parses_sse_events_with_tool_use() {
@@ -99,7 +134,7 @@ async fn stream_message_parses_sse_events_with_tool_use() {
let state = Arc::new(Mutex::new(Vec::<CapturedRequest>::new()));
let sse = concat!(
"event: message_start\n",
"data: {\"type\":\"message_start\",\"message\":{\"id\":\"msg_stream\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"claude-3-7-sonnet-latest\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":8,\"output_tokens\":0}}}\n\n",
"data: {\"type\":\"message_start\",\"message\":{\"id\":\"msg_stream\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"claude-3-7-sonnet-latest\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":8,\"cache_creation_input_tokens\":13,\"cache_read_input_tokens\":21,\"output_tokens\":0}}}\n\n",
"event: content_block_start\n",
"data: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"tool_use\",\"id\":\"toolu_123\",\"name\":\"get_weather\",\"input\":{}}}\n\n",
"event: content_block_delta\n",
@@ -107,7 +142,7 @@ async fn stream_message_parses_sse_events_with_tool_use() {
"event: content_block_stop\n",
"data: {\"type\":\"content_block_stop\",\"index\":0}\n\n",
"event: message_delta\n",
"data: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"tool_use\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":8,\"output_tokens\":1}}\n\n",
"data: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"tool_use\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":8,\"cache_creation_input_tokens\":34,\"cache_read_input_tokens\":55,\"output_tokens\":1}}\n\n",
"event: message_stop\n",
"data: {\"type\":\"message_stop\"}\n\n",
"data: [DONE]\n\n"
@@ -185,7 +220,8 @@ async fn stream_message_parses_sse_events_with_tool_use() {
.prompt_cache_stats()
.expect("prompt cache stats should exist");
assert_eq!(cache_stats.tracked_requests, 1);
assert_eq!(cache_stats.last_cache_read_input_tokens, Some(0));
assert_eq!(cache_stats.last_cache_creation_input_tokens, Some(34));
assert_eq!(cache_stats.last_cache_read_input_tokens, Some(55));
assert_eq!(
cache_stats.last_cache_source.as_deref(),
Some("api-response")