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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/test_kit.h>
#include <vespa/config/common/configrequest.h>
#include <vespa/config/common/configresponse.h>
#include <vespa/config/common/timingvalues.h>
#include <vespa/config/common/trace.h>
#include <vespa/config/common/configkey.h>
#include <vespa/config/common/configholder.h>
#include <vespa/config/frt/frtconfigagent.h>
#include <config-my.h>
using namespace config;
class MyConfigRequest : public ConfigRequest
{
public:
MyConfigRequest(const ConfigKey & key)
: _key(key)
{ }
const ConfigKey & getKey() const override { return _key; }
bool abort() override { return false; }
void setError(int errorCode) override { (void) errorCode; }
bool verifyState(const ConfigState &) const override { return false; }
const ConfigKey _key;
};
class MyConfigResponse : public ConfigResponse
{
public:
MyConfigResponse(const ConfigKey & key, ConfigValue value, bool valid, int64_t timestamp,
const vespalib::string & xxhash64, const std::string & errorMsg, int errorC0de, bool iserror)
: _key(key),
_value(std::move(value)),
_fillCalled(false),
_valid(valid),
_state(xxhash64, timestamp, false),
_errorMessage(errorMsg),
_errorCode(errorC0de),
_isError(iserror)
{ }
const ConfigKey& getKey() const override { return _key; }
const ConfigValue & getValue() const override { return _value; }
const ConfigState & getConfigState() const override { return _state; }
bool hasValidResponse() const override { return _valid; }
bool validateResponse() override { return _valid; }
void fill() override { _fillCalled = true; }
vespalib::string errorMessage() const override { return _errorMessage; }
int errorCode() const override { return _errorCode; }
bool isError() const override { return _isError; }
const Trace & getTrace() const override { return _trace; }
const ConfigKey _key;
const ConfigValue _value;
bool _fillCalled;
bool _valid;
const ConfigState _state;
vespalib::string _errorMessage;
int _errorCode;
bool _isError;
Trace _trace;
static std::unique_ptr<ConfigResponse> createOKResponse(const ConfigKey & key, const ConfigValue & value, uint64_t timestamp = 10, const vespalib::string & xxhash64 = "a")
{
return std::make_unique<MyConfigResponse>(key, value, true, timestamp, xxhash64, "", 0, false);
}
static std::unique_ptr<ConfigResponse> createServerErrorResponse(const ConfigKey & key, const ConfigValue & value)
{
return std::make_unique<MyConfigResponse>(key, value, true, 10, "a", "whinewhine", 2, true);
}
static std::unique_ptr<ConfigResponse> createConfigErrorResponse(const ConfigKey & key, const ConfigValue & value)
{
return std::make_unique<MyConfigResponse>(key, value, false, 10, "a", "", 0, false);
}
};
class MyHolder : public IConfigHolder
{
public:
MyHolder() noexcept = default;
~MyHolder() = default;
std::unique_ptr<ConfigUpdate> provide() override
{
return std::move(_update);
}
bool wait_until(vespalib::steady_time) override
{
return true;
}
void handle(std::unique_ptr<ConfigUpdate> update) override
{
if (_update) {
update->merge(*_update);
}
_update = std::move(update);
}
bool poll() override { return true; }
void close() override { }
private:
std::unique_ptr<ConfigUpdate> _update;
};
ConfigValue createValue(const std::string & myField, const std::string & xxhash64)
{
StringVector lines;
lines.push_back("myField \"" + myField + "\"");
return ConfigValue(lines, xxhash64);
}
static TimingValues testTimingValues(
2000ms, // successTimeout
500ms, // errorTimeout
500ms, // initialTimeout
4000ms, // subscribeTimeout
0ms, // fixedDelay
250ms, // successDelay
250ms, // unconfiguredDelay
500ms, // configuredErrorDelay
5,
1000ms,
2000ms); // maxDelayMultiplier
TEST("require that agent returns correct values") {
FRTConfigAgent handler(std::make_shared<MyHolder>(), testTimingValues);
ASSERT_EQUAL(500ms, handler.getTimeout());
ASSERT_EQUAL(0ms, handler.getWaitTime());
ConfigState cs;
ASSERT_EQUAL(cs.xxhash64, handler.getConfigState().xxhash64);
ASSERT_EQUAL(cs.generation, handler.getConfigState().generation);
ASSERT_EQUAL(cs.applyOnRestart, handler.getConfigState().applyOnRestart);
}
TEST("require that successful request is delivered to holder") {
const ConfigKey testKey(ConfigKey::create<MyConfig>("mykey"));
const ConfigValue testValue(createValue("l33t", "a"));
auto latch = std::make_shared<MyHolder>();
FRTConfigAgent handler(latch, testTimingValues);
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createOKResponse(testKey, testValue));
ASSERT_TRUE(latch->poll());
std::unique_ptr<ConfigUpdate> update(latch->provide());
ASSERT_TRUE(update);
ASSERT_TRUE(update->hasChanged());
MyConfig cfg(update->getValue());
ASSERT_EQUAL("l33t", cfg.myField);
}
TEST("require that important(the change) request is delivered to holder even if it was not the last") {
const ConfigKey testKey(ConfigKey::create<MyConfig>("mykey"));
const ConfigValue testValue1(createValue("l33t", "a"));
const ConfigValue testValue2(createValue("l34t", "b"));
auto latch = std::make_shared<MyHolder>();
FRTConfigAgent handler(latch, testTimingValues);
handler.handleResponse(MyConfigRequest(testKey),
MyConfigResponse::createOKResponse(testKey, testValue1, 1, testValue1.getXxhash64()));
ASSERT_TRUE(latch->poll());
std::unique_ptr<ConfigUpdate> update(latch->provide());
ASSERT_TRUE(update);
ASSERT_TRUE(update->hasChanged());
MyConfig cfg(update->getValue());
ASSERT_EQUAL("l33t", cfg.myField);
handler.handleResponse(MyConfigRequest(testKey),
MyConfigResponse::createOKResponse(testKey, testValue2, 2, testValue2.getXxhash64()));
handler.handleResponse(MyConfigRequest(testKey),
MyConfigResponse::createOKResponse(testKey, testValue2, 3, testValue2.getXxhash64()));
ASSERT_TRUE(latch->poll());
update = latch->provide();
ASSERT_TRUE(update);
ASSERT_TRUE(update->hasChanged());
MyConfig cfg2(update->getValue());
ASSERT_EQUAL("l34t", cfg2.myField);
}
TEST("require that successful request sets correct wait time") {
const ConfigKey testKey(ConfigKey::create<MyConfig>("mykey"));
const ConfigValue testValue(createValue("l33t", "a"));
auto latch = std::make_shared<MyHolder>();
FRTConfigAgent handler(latch, testTimingValues);
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createOKResponse(testKey, testValue));
ASSERT_EQUAL(250ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createOKResponse(testKey, testValue));
ASSERT_EQUAL(250ms, handler.getWaitTime());
}
TEST("require that bad config response returns false") {
const ConfigKey testKey(ConfigKey::create<MyConfig>("mykey"));
const ConfigValue testValue(createValue("myval", "a"));
auto latch = std::make_shared<MyHolder>();
FRTConfigAgent handler(latch, testTimingValues);
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(250ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(500ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(750ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(1000ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(1250ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(1250ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createOKResponse(testKey, testValue));
ASSERT_EQUAL(250ms, handler.getWaitTime());
ASSERT_EQUAL(2000ms, handler.getTimeout());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createConfigErrorResponse(testKey, testValue));
ASSERT_EQUAL(500ms, handler.getWaitTime());
ASSERT_EQUAL(500ms, handler.getTimeout());
}
TEST("require that bad response returns false") {
const ConfigKey testKey(ConfigKey::create<MyConfig>("mykey"));
const ConfigValue testValue(StringVector(), "a");
auto latch = std::make_shared<MyHolder>();
FRTConfigAgent handler(latch, testTimingValues);
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(250ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(500ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(750ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(1000ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(1250ms, handler.getWaitTime());
handler.handleResponse(MyConfigRequest(testKey), MyConfigResponse::createServerErrorResponse(testKey, testValue));
ASSERT_EQUAL(1250ms, handler.getWaitTime());
}
TEST_MAIN() { TEST_RUN_ALL(); }
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