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mod.rs
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use crate::{
custom_serde::{
deserialize_headers, deserialize_nullish_boolean, http_method, serialize_headers,
serialize_multi_value_headers, serialize_query_string_parameters,
},
encodings::Body,
};
use http::{HeaderMap, Method};
use query_map::QueryMap;
use serde::{Deserialize, Serialize};
/// `AlbTargetGroupRequest` contains data originating from the ALB Lambda target group integration
#[derive(Clone, Debug, Default, Deserialize, PartialEq, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct AlbTargetGroupRequest {
#[serde(with = "http_method")]
pub http_method: Method,
#[serde(default)]
pub path: Option<String>,
#[serde(default)]
#[serde(serialize_with = "serialize_query_string_parameters")]
pub query_string_parameters: QueryMap,
#[serde(default)]
pub multi_value_query_string_parameters: QueryMap,
#[serde(deserialize_with = "deserialize_headers", default)]
#[serde(serialize_with = "serialize_headers")]
pub headers: HeaderMap,
#[serde(deserialize_with = "deserialize_headers", default)]
#[serde(serialize_with = "serialize_multi_value_headers")]
pub multi_value_headers: HeaderMap,
pub request_context: AlbTargetGroupRequestContext,
#[serde(default, deserialize_with = "deserialize_nullish_boolean")]
pub is_base64_encoded: bool,
pub body: Option<String>,
}
/// `AlbTargetGroupRequestContext` contains the information to identify the load balancer invoking the lambda
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct AlbTargetGroupRequestContext {
pub elb: ElbContext,
}
/// `ElbContext` contains the information to identify the ARN invoking the lambda
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct ElbContext {
/// nolint: stylecheck
#[serde(default)]
pub target_group_arn: Option<String>,
}
/// `AlbTargetGroupResponse` configures the response to be returned by the ALB Lambda target group for the request
#[derive(Clone, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct AlbTargetGroupResponse {
pub status_code: i64,
#[serde(default)]
pub status_description: Option<String>,
#[serde(deserialize_with = "http_serde::header_map::deserialize", default)]
#[serde(serialize_with = "serialize_headers")]
pub headers: HeaderMap,
#[serde(deserialize_with = "http_serde::header_map::deserialize", default)]
#[serde(serialize_with = "serialize_multi_value_headers")]
pub multi_value_headers: HeaderMap,
#[serde(skip_serializing_if = "Option::is_none")]
pub body: Option<Body>,
#[serde(default, deserialize_with = "deserialize_nullish_boolean")]
pub is_base64_encoded: bool,
}
#[cfg(test)]
mod test {
use super::*;
use serde_json::Value;
#[test]
#[cfg(feature = "alb")]
fn example_alb_lambda_target_request_headers_only() {
let data = include_bytes!("../../fixtures/example-alb-lambda-target-request-headers-only.json");
let parsed: AlbTargetGroupRequest = serde_json::from_slice(data).unwrap();
let output: String = serde_json::to_string(&parsed).unwrap();
let reparsed: AlbTargetGroupRequest = serde_json::from_slice(output.as_bytes()).unwrap();
assert_eq!(parsed, reparsed);
}
#[test]
#[cfg(feature = "alb")]
fn example_alb_lambda_target_request_multivalue_headers() {
let data = include_bytes!("../../fixtures/example-alb-lambda-target-request-multivalue-headers.json");
let parsed: AlbTargetGroupRequest = serde_json::from_slice(data).unwrap();
let output: String = serde_json::to_string(&parsed).unwrap();
let reparsed: AlbTargetGroupRequest = serde_json::from_slice(output.as_bytes()).unwrap();
assert_eq!(parsed, reparsed);
}
#[test]
#[cfg(feature = "alb")]
fn ensure_alb_lambda_target_request_query_string_parameter_value_is_string() {
let data = include_bytes!("../../fixtures/example-alb-lambda-target-request-headers-only.json");
let parsed: AlbTargetGroupRequest = serde_json::from_slice(data).unwrap();
let output: String = serde_json::to_string(&parsed).unwrap();
let reparsed: Value = serde_json::from_slice(output.as_bytes()).unwrap();
assert_eq!(
reparsed["queryStringParameters"]["key"],
Value::String("hello".to_string())
);
}
#[test]
#[cfg(feature = "alb")]
fn example_alb_lambda_target_response() {
let data = include_bytes!("../../fixtures/example-alb-lambda-target-response.json");
let parsed: AlbTargetGroupResponse = serde_json::from_slice(data).unwrap();
let output: String = serde_json::to_string(&parsed).unwrap();
let reparsed: AlbTargetGroupResponse = serde_json::from_slice(output.as_bytes()).unwrap();
assert_eq!(parsed, reparsed);
}
}