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40 changes: 39 additions & 1 deletion src/config/user.rs
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,13 @@ pub fn max_event_payload_size() -> usize {
}
}

pub fn log_json_body_max_attributes() -> usize {
match std::env::var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES") {
Ok(val) => val.parse::<usize>().unwrap_or(25),
Err(_) => 25,
}
}

pub fn request_timeout_ms() -> u64 {
match std::env::var("DASH0_REQUEST_TIMEOUT") {
Ok(val) => val.parse::<u64>().unwrap_or(2000),
Expand Down Expand Up @@ -117,7 +124,7 @@ mod tests {
use super::{
is_auto_instrumented_disabled, is_send_on_invocation_end,
is_telemetry_log_collection_disabled, is_telemetry_metrics_disabled,
is_telemetry_traces_disabled, max_event_payload_size,
is_telemetry_traces_disabled, log_json_body_max_attributes, max_event_payload_size,
};
use serial_test::serial;

Expand Down Expand Up @@ -288,4 +295,35 @@ mod tests {
std::env::remove_var("DASH0_DISABLE_TELEMETRY_TRACES");
std::env::remove_var("AWS_LAMBDA_EXEC_WRAPPER");
}

#[test]
#[serial]
fn log_json_body_max_attributes_defaults_to_25() {
std::env::remove_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES");
assert_eq!(log_json_body_max_attributes(), 25);
}

#[test]
#[serial]
fn log_json_body_max_attributes_parses_value() {
std::env::set_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES", "10");
assert_eq!(log_json_body_max_attributes(), 10);
std::env::remove_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES");
}

#[test]
#[serial]
fn log_json_body_max_attributes_handles_invalid_value() {
std::env::set_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES", "not_a_number");
assert_eq!(log_json_body_max_attributes(), 25);
std::env::remove_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES");
}

#[test]
#[serial]
fn log_json_body_max_attributes_zero_is_valid() {
std::env::set_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES", "0");
assert_eq!(log_json_body_max_attributes(), 0);
std::env::remove_var("DASH0_LOG_JSON_BODY_MAX_ATTRIBUTES");
}
}
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