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Copy pathtest_lambda.cpp
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81 lines (63 loc) · 2.49 KB
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#include <gtest/gtest.h>
#include <cpr/cpr.h>
#include <nlohmann/json.hpp>
#include <fstream>
#include <sstream>
#include <stdexcept>
using json = nlohmann::json;
class LambdaFunctionTest : public ::testing::Test {
protected:
std::string lambda_url;
void SetUp() override {
const char* lambda_url_env = std::getenv("LAMBDA_URL");
lambda_url = lambda_url_env ? lambda_url_env : "http://emulator:8080/2015-03-31/functions/function/invocations";
}
cpr::Response invoke_lambda(const std::string& payload) {
auto response = cpr::Post(
cpr::Url{lambda_url},
cpr::Header{{"Content-Type", "application/json"}},
cpr::Body{payload}
);
return response;
}
std::string read_file(const std::string& filename) {
std::ifstream file(filename);
if (!file.is_open()) {
throw std::runtime_error("Unable to open file: " + filename);
}
std::stringstream buffer;
buffer << file.rdbuf();
return buffer.str();
}
};
TEST_F(LambdaFunctionTest, ValidInput) {
std::string payload = read_file("valid_input.json");
auto response = invoke_lambda(payload);
json jsonResponse = json::parse(response.text);
ASSERT_EQ(response.status_code, 200);
ASSERT_EQ(jsonResponse["message"], "Good morning, John of New York. Happy Monday!");
}
TEST_F(LambdaFunctionTest, InvalidJSON) {
std::string payload = read_file("invalid_json.json");
auto response = invoke_lambda(payload);
json jsonResponse = json::parse(response.text, nullptr, false);
ASSERT_EQ(jsonResponse["errorMessage"], "Failed to parse input JSON");
}
TEST_F(LambdaFunctionTest, MissingFields) {
std::string payload = read_file("missing_fields.json");
auto response = invoke_lambda(payload);
json jsonResponse = json::parse(response.text);
ASSERT_EQ(response.status_code, 200);
ASSERT_EQ(jsonResponse["message"], "Good evening, of . Happy !");
}
TEST_F(LambdaFunctionTest, MissingBodyField) {
std::string payload = read_file("missing_body_field.json");
auto response = invoke_lambda(payload);
json jsonResponse = json::parse(response.text);
ASSERT_EQ(response.status_code, 200);
ASSERT_EQ(jsonResponse["message"], "Good , Alice of Los Angeles. Happy Friday!");
}
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}