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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/misc.h>
#include <vespa/config/common/configholder.h>
#include <vespa/config/subscription/configsubscription.h>
#include <config-my.h>
#include <thread>
using namespace config;
namespace {
struct SourceFixture
{
int numClose;
int numGetConfig;
int numReload;
SourceFixture()
: numClose(0),
numGetConfig(0),
numReload(0)
{ }
};
struct MySource : public Source
{
MySource(SourceFixture * src)
: source(src)
{}
void getConfig() override { source->numGetConfig++; }
void close() override { source->numClose++; }
void reload(int64_t gen) override { (void) gen; source->numReload++; }
SourceFixture * source;
};
struct SubscriptionFixture
{
std::shared_ptr<IConfigHolder> holder;
ConfigSubscription sub;
SourceFixture src;
SubscriptionFixture(const ConfigKey & key)
: holder(new ConfigHolder()),
sub(0, key, holder, std::make_unique<MySource>(&src))
{
}
};
vespalib::steady_time
deadline(vespalib::duration timeout) {
return vespalib::steady_clock::now() + timeout;
}
}
TEST_FF("requireThatKeyIsReturned", ConfigKey("foo", "bar", "bim", "boo"), SubscriptionFixture(f1))
{
ASSERT_TRUE(f1 == f2.sub.getKey());
}
TEST_F("requireThatUpdateReturns", SubscriptionFixture(ConfigKey::create<MyConfig>("myid")))
{
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), 1, 1));
ASSERT_TRUE(f1.sub.nextUpdate(0, deadline(0ms)));
ASSERT_TRUE(f1.sub.hasChanged());
ASSERT_EQUAL(1, f1.sub.getGeneration());
}
TEST_F("requireThatNextUpdateBlocks", SubscriptionFixture(ConfigKey::create<MyConfig>("myid")))
{
ASSERT_FALSE(f1.sub.nextUpdate(0, deadline(0ms)));
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), 1, 1));
vespalib::Timer timer;
ASSERT_FALSE(f1.sub.nextUpdate(1, deadline(500ms)));
ASSERT_TRUE(timer.elapsed() > 400ms);
}
TEST_MT_F("requireThatNextUpdateReturnsWhenNotified", 2, SubscriptionFixture(ConfigKey::create<MyConfig>("myid")))
{
if (thread_id == 0) {
vespalib::Timer timer;
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), 1, 1));
ASSERT_TRUE(f1.sub.nextUpdate(2, deadline(5000ms)));
ASSERT_TRUE(timer.elapsed() > 200ms);
} else {
std::this_thread::sleep_for(500ms);
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), 1, 1));
}
}
TEST_MT_F("requireThatNextUpdateReturnsInterrupted", 2, SubscriptionFixture(ConfigKey::create<MyConfig>("myid")))
{
if (thread_id == 0) {
vespalib::Timer timer;
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), 1, 1));
ASSERT_TRUE(f1.sub.nextUpdate(1, deadline(5000ms)));
ASSERT_TRUE(timer.elapsed() > 300ms);
} else {
std::this_thread::sleep_for(500ms);
f1.sub.close();
}
}
TEST_F("Require that isChanged takes generation into account", SubscriptionFixture(ConfigKey::create<MyConfig>("myid")))
{
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(StringVector(), "a"), true, 1));
ASSERT_TRUE(f1.sub.nextUpdate(0, deadline(0ms)));
f1.sub.flip();
ASSERT_EQUAL(1, f1.sub.getLastGenerationChanged());
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(StringVector(), "b"), true, 2));
ASSERT_TRUE(f1.sub.nextUpdate(1, deadline(0ms)));
f1.sub.flip();
ASSERT_EQUAL(2, f1.sub.getLastGenerationChanged());
f1.holder->handle(std::make_unique<ConfigUpdate>(ConfigValue(), false, 3));
ASSERT_TRUE(f1.sub.nextUpdate(2, deadline(0ms)));
f1.sub.flip();
ASSERT_EQUAL(2, f1.sub.getLastGenerationChanged());
}
TEST_MAIN() { TEST_RUN_ALL(); }
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