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249 lines (219 loc) · 10.2 KB
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#include <aws/lambda/model/Architecture.h>
#include <aws/core/client/ClientConfiguration.h>
#include <aws/core/utils/Array.h>
#include <aws/core/utils/Outcome.h>
#include <aws/core/utils/memory/stl/AWSString.h>
#include <aws/core/utils/memory/stl/AWSStringStream.h>
#include <aws/core/platform/Environment.h>
#include <aws/iam/IAMClient.h>
#include <aws/iam/model/GetRoleRequest.h>
#include <aws/lambda/LambdaClient.h>
#include <aws/lambda/model/DeleteFunctionRequest.h>
#include <aws/lambda/model/GetFunctionRequest.h>
#include <aws/lambda/model/CreateFunctionRequest.h>
#include <aws/lambda/model/InvokeRequest.h>
#include <aws/core/utils/base64/Base64.h>
#include "gtest/gtest.h"
#include <aws/lambda/model/LogType.h>
#include <cstdio>
#include <iostream>
#include <sys/stat.h>
#include <unistd.h>
#include <vector>
#include <string>
extern std::string aws_prefix;
namespace {
using namespace Aws::Lambda;
constexpr auto ZIP_FILE_PATH = "resources/lambda-test-fun.zip";
constexpr auto REQUEST_TIMEOUT = 15 * 1000;
struct LambdaRuntimeTest : public ::testing::Test {
LambdaClient m_lambda_client;
Aws::IAM::IAMClient m_iam_client;
static Aws::Client::ClientConfiguration create_iam_config()
{
Aws::Client::ClientConfiguration config;
config.requestTimeoutMs = REQUEST_TIMEOUT;
config.region = Aws::Region::US_EAST_1;
return config;
}
static Aws::Client::ClientConfiguration create_lambda_config()
{
Aws::Client::ClientConfiguration config;
config.requestTimeoutMs = REQUEST_TIMEOUT;
config.region = Aws::Environment::GetEnv("AWS_REGION");
if (config.region.empty()) {
throw std::invalid_argument("environment variable AWS_REGION not set");
}
return config;
}
static Aws::String build_resource_name(Aws::String const& name)
{
return aws_prefix.c_str() + name; // NOLINT
}
LambdaRuntimeTest() : m_lambda_client(create_lambda_config()), m_iam_client(create_iam_config()) {}
~LambdaRuntimeTest() override
{
// clean up in case we exited one test abnormally
delete_function(build_resource_name("echo_success"), false /*assert*/);
delete_function(build_resource_name("echo_failure"), false /*assert*/);
delete_function(build_resource_name("binary_response"), false /*assert*/);
delete_function(build_resource_name("crash_backtrace"), false /*assert*/);
}
Aws::String get_role_arn(Aws::String const& role_name)
{
using namespace Aws::IAM;
using namespace Aws::IAM::Model;
GetRoleRequest request;
request.WithRoleName(role_name);
auto outcome = m_iam_client.GetRole(request);
EXPECT_TRUE(outcome.IsSuccess());
if (outcome.IsSuccess()) {
return outcome.GetResult().GetRole().GetArn();
}
return {};
}
void create_function(Aws::String const& function_name, Aws::String const& handler_name)
{
Model::CreateFunctionRequest create_function_request;
create_function_request.SetHandler(handler_name);
create_function_request.SetFunctionName(function_name);
// I ran into eventual-consistency issues when creating the role dynamically as part of the test.
auto exec_role = Aws::Environment::GetEnv("LAMBDA_TEST_ROLE");
if (exec_role.empty()) {
exec_role = "integration-tests";
}
create_function_request.SetRole(get_role_arn(exec_role));
struct stat s;
auto rc = stat(ZIP_FILE_PATH, &s);
ASSERT_EQ(rc, 0) << std::string("file does not exist: ") + ZIP_FILE_PATH;
Aws::Utils::CryptoBuffer zip_file_bytes(s.st_size);
auto* zip_file = fopen(ZIP_FILE_PATH, "r");
fread(zip_file_bytes.GetUnderlyingData(), sizeof(unsigned char), s.st_size, zip_file);
fclose(zip_file);
Model::FunctionCode funcode;
funcode.SetZipFile(std::move(zip_file_bytes));
create_function_request.SetCode(std::move(funcode));
create_function_request.SetRuntime(Aws::Lambda::Model::Runtime::provided_al2);
std::vector<Aws::Lambda::Model::Architecture> lambda_architectures = {Aws::Lambda::Model::Architecture::x86_64};
#ifdef __aarch64__
lambda_architectures[0] = Aws::Lambda::Model::Architecture::arm64;
#endif
create_function_request.SetArchitectures(lambda_architectures);
auto outcome = m_lambda_client.CreateFunction(create_function_request);
ASSERT_TRUE(outcome.IsSuccess()) << "Failed to create function " << function_name;
// work around Lambda function pending creation state
sleep(5);
}
void delete_function(Aws::String const& function_name, bool assert = true)
{
Model::DeleteFunctionRequest delete_function_request;
delete_function_request.SetFunctionName(function_name);
auto outcome = m_lambda_client.DeleteFunction(delete_function_request);
if (assert) {
ASSERT_TRUE(outcome.IsSuccess()) << "Failed to delete function " << function_name;
}
}
};
TEST_F(LambdaRuntimeTest, echo_success)
{
Aws::String const funcname = build_resource_name("echo_success");
constexpr auto payload_content = "Hello, Lambda!";
create_function(funcname, "echo_success" /*handler_name*/);
Model::InvokeRequest invoke_request;
invoke_request.SetFunctionName(funcname);
invoke_request.SetInvocationType(Model::InvocationType::RequestResponse);
invoke_request.SetContentType("application/json");
std::shared_ptr<Aws::IOStream> payload = Aws::MakeShared<Aws::StringStream>("FunctionTest");
Aws::Utils::Json::JsonValue json_payload;
json_payload.WithString("barbaz", payload_content);
*payload << json_payload.View().WriteCompact();
invoke_request.SetBody(payload);
Model::InvokeOutcome invoke_outcome = m_lambda_client.Invoke(invoke_request);
EXPECT_TRUE(invoke_outcome.IsSuccess());
Aws::StringStream output;
if (!invoke_outcome.IsSuccess()) {
delete_function(funcname);
return;
}
EXPECT_EQ(200, invoke_outcome.GetResult().GetStatusCode());
EXPECT_TRUE(invoke_outcome.GetResult().GetFunctionError().empty());
auto const json_response = Aws::Utils::Json::JsonValue(invoke_outcome.GetResult().GetPayload());
EXPECT_TRUE(json_response.WasParseSuccessful());
EXPECT_STREQ(payload_content, json_response.View().GetString("barbaz").c_str());
delete_function(funcname);
}
TEST_F(LambdaRuntimeTest, echo_unicode)
{
Aws::String const funcname = build_resource_name("echo_success"); // re-use the echo method but with Unicode input
constexpr auto payload_content = "画像は1000語の価値がある";
create_function(funcname, "echo_success" /*handler_name*/);
Model::InvokeRequest invoke_request;
invoke_request.SetFunctionName(funcname);
invoke_request.SetInvocationType(Model::InvocationType::RequestResponse);
invoke_request.SetContentType("application/json");
std::shared_ptr<Aws::IOStream> payload = Aws::MakeShared<Aws::StringStream>("FunctionTest");
Aws::Utils::Json::JsonValue json_payload;
json_payload.WithString("UnicodeText", payload_content);
*payload << json_payload.View().WriteCompact();
invoke_request.SetBody(payload);
Model::InvokeOutcome invoke_outcome = m_lambda_client.Invoke(invoke_request);
EXPECT_TRUE(invoke_outcome.IsSuccess());
Aws::StringStream output;
if (!invoke_outcome.IsSuccess()) {
delete_function(funcname);
return;
}
EXPECT_EQ(200, invoke_outcome.GetResult().GetStatusCode());
EXPECT_TRUE(invoke_outcome.GetResult().GetFunctionError().empty());
auto const json_response = Aws::Utils::Json::JsonValue(invoke_outcome.GetResult().GetPayload());
EXPECT_TRUE(json_response.WasParseSuccessful());
EXPECT_STREQ(payload_content, json_response.View().GetString("UnicodeText").c_str());
delete_function(funcname);
}
TEST_F(LambdaRuntimeTest, echo_failure)
{
Aws::String const funcname = build_resource_name("echo_failure");
create_function(funcname, "echo_failure" /*handler_name*/);
Model::InvokeRequest invoke_request;
invoke_request.SetFunctionName(funcname);
invoke_request.SetInvocationType(Model::InvocationType::RequestResponse);
Model::InvokeOutcome invoke_outcome = m_lambda_client.Invoke(invoke_request);
EXPECT_TRUE(invoke_outcome.IsSuccess());
EXPECT_EQ(200, invoke_outcome.GetResult().GetStatusCode());
EXPECT_STREQ("Unhandled", invoke_outcome.GetResult().GetFunctionError().c_str());
delete_function(funcname);
}
TEST_F(LambdaRuntimeTest, binary_response)
{
Aws::String const funcname = build_resource_name("binary_response");
unsigned long constexpr expected_length = 1451;
create_function(funcname, "binary_response" /*handler_name*/);
Model::InvokeRequest invoke_request;
invoke_request.SetFunctionName(funcname);
invoke_request.SetInvocationType(Model::InvocationType::RequestResponse);
Model::InvokeOutcome invoke_outcome = m_lambda_client.Invoke(invoke_request);
EXPECT_TRUE(invoke_outcome.IsSuccess());
EXPECT_EQ(200, invoke_outcome.GetResult().GetStatusCode());
EXPECT_TRUE(invoke_outcome.GetResult().GetFunctionError().empty());
EXPECT_EQ(expected_length, invoke_outcome.GetResult().GetPayload().tellp());
delete_function(funcname);
}
TEST_F(LambdaRuntimeTest, crash)
{
Aws::String const funcname = build_resource_name("crash_backtrace");
create_function(funcname, "crash_backtrace" /*handler_name*/);
Model::InvokeRequest invoke_request;
invoke_request.SetFunctionName(funcname);
invoke_request.SetInvocationType(Model::InvocationType::RequestResponse);
invoke_request.SetLogType(Model::LogType::Tail);
Model::InvokeOutcome invoke_outcome = m_lambda_client.Invoke(invoke_request);
EXPECT_TRUE(invoke_outcome.IsSuccess());
EXPECT_EQ(200, invoke_outcome.GetResult().GetStatusCode());
EXPECT_STREQ("Unhandled", invoke_outcome.GetResult().GetFunctionError().c_str());
Aws::Utils::Base64::Base64 base64;
auto decoded = base64.Decode(invoke_outcome.GetResult().GetLogResult());
std::string tail_logs(reinterpret_cast<char const*>(decoded.GetUnderlyingData()), decoded.GetLength());
EXPECT_NE(tail_logs.find("Stack trace (most recent call last):"), std::string::npos);
delete_function(funcname);
}
} // namespace
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