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cuberite-2a/tests/BlockTypeRegistry/BlockTypeRegistryTest.cpp

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#include "Globals.h"
#include <thread>
#include "BlockTypeRegistry.h"
#include "../TestHelpers.h"
/** Dummy BlockState implementation */
class BlockState
{
public:
BlockState() = default;
};
/** Dummy cBlockHandler implementation that allows simple checking for equality through mIdent. */
class cBlockHandler
{
public:
cBlockHandler(UInt32 aIdent):
mIdent(aIdent)
{
}
UInt32 mIdent;
};
/** Tests simple block type name registration.
Registers a block type, checks that the type is then registered. */
static void testSimpleReg()
{
LOGD("Testing simple registration...");
// Register the block type:
BlockTypeRegistry reg;
AString blockTypeName("test:block1");
AString pluginName("testPlugin");
AString hint1("testHint1");
AString hint1Value("value1");
std::shared_ptr<cBlockHandler> handler(new cBlockHandler(0x12345678));
std::map<AString, AString> hints = {{hint1, hint1Value}, {"testHint2", "value2"}};
std::map<AString, BlockInfo::HintCallback> hintCallbacks;
reg.registerBlockType(pluginName, blockTypeName, handler, hints, hintCallbacks);
// Query the registration:
auto blockInfo = reg.blockInfo(blockTypeName);
TEST_NOTEQUAL(blockInfo, nullptr);
TEST_EQUAL(blockInfo->blockTypeName(), blockTypeName);
TEST_EQUAL(blockInfo->pluginName(), pluginName);
TEST_EQUAL(blockInfo->handler(), handler);
TEST_EQUAL(blockInfo->hintValue(hint1, BlockState()), hint1Value);
TEST_EQUAL(blockInfo->hintValue("nonexistent", BlockState()), "");
}
/** Tests setting and removing a BlockType hint. */
static void testHintSetRemove()
{
LOGD("Testing hint addition and removal...");
// Register the block type:
BlockTypeRegistry reg;
AString blockTypeName("test:block1");
AString pluginName("testPlugin");
AString hint1("testHint1");
AString hint1Value("value1");
AString hint2("testHint2");
AString hint2Value("value2");
std::shared_ptr<cBlockHandler> handler(new cBlockHandler(0x12345678));
std::map<AString, AString> hints = {{hint1, hint1Value}};
std::map<AString, BlockInfo::HintCallback> hintCallbacks;
reg.registerBlockType(pluginName, blockTypeName, handler, hints, hintCallbacks);
// Modify the hints:
auto blockInfo = reg.blockInfo(blockTypeName);
reg.setBlockTypeHint(blockTypeName, hint2, hint2Value);
TEST_EQUAL(blockInfo->hintValue(hint2, BlockState()), hint2Value); // Was created successfully
reg.setBlockTypeHint(blockTypeName, hint1, "testValue2");
TEST_EQUAL(blockInfo->hintValue(hint1, BlockState()), "testValue2"); // Was updated successfully
reg.removeBlockTypeHint(blockTypeName, hint2);
TEST_EQUAL(blockInfo->hintValue(hint2, BlockState()), ""); // Was removed successfully
// Test the error reporting:
TEST_THROWS(reg.setBlockTypeHint("nonexistent", "hint", "value"), BlockTypeRegistry::NotRegisteredException);
reg.removeBlockTypeHint(blockTypeName, "nonexistent"); // Should fail silently
}
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/** Tests that the plugin-based information is used correctly for registration.
Registers two different block types with two different plugins, then tries to re-register them from a different plugin.
Finally removes the registration through removeAllByPlugin() and checks its success. */
static void testPlugins()
{
LOGD("Testing plugin-based checks / removal...");
// Register the block types:
BlockTypeRegistry reg;
AString blockTypeName1("test:block1");
AString pluginName1("testPlugin1");
AString hint1("testHint1");
AString hint1Value("value1");
std::shared_ptr<cBlockHandler> handler1(new cBlockHandler(1));
std::map<AString, AString> hints = {{hint1, hint1Value}, {"testHint2", "value2"}};
std::map<AString, BlockInfo::HintCallback> hintCallbacks;
reg.registerBlockType(pluginName1, blockTypeName1, handler1, hints, hintCallbacks);
AString blockTypeName2("test:block2");
AString pluginName2("testPlugin2");
std::shared_ptr<cBlockHandler> handler2(new cBlockHandler(2));
reg.registerBlockType(pluginName2, blockTypeName2, handler2, hints, hintCallbacks);
// Test the refusal to register under a different plugin:
TEST_THROWS(reg.registerBlockType(pluginName2, blockTypeName1, handler2, hints, hintCallbacks), BlockTypeRegistry::AlreadyRegisteredException);
TEST_EQUAL(reg.blockInfo(blockTypeName1)->handler()->mIdent, 1); // Did we overwrite the old registration?
reg.registerBlockType(pluginName1, blockTypeName1, handler1, hints, hintCallbacks); // Re-registering must succeed
// Unregister by plugin, then re-register from a different plugin:
reg.removeAllByPlugin(pluginName1);
TEST_EQUAL(reg.blockInfo(blockTypeName1), nullptr); // Unregistered successfully
TEST_NOTEQUAL(reg.blockInfo(blockTypeName2), nullptr); // Didn't unregister from the other plugin
std::shared_ptr<cBlockHandler> handler3(new cBlockHandler(3));
reg.registerBlockType(pluginName2, blockTypeName1, handler3, hints, hintCallbacks);
TEST_NOTEQUAL(reg.blockInfo(blockTypeName1), nullptr); // Registered successfully
TEST_EQUAL(reg.blockInfo(blockTypeName1)->pluginName(), pluginName2);
TEST_EQUAL(reg.blockInfo(blockTypeName1)->handler()->mIdent, 3);
TEST_EQUAL(reg.blockInfo(blockTypeName2)->handler()->mIdent, 2);
reg.removeAllByPlugin(pluginName2);
TEST_EQUAL(reg.blockInfo(blockTypeName1), nullptr); // Unregistered successfully
TEST_EQUAL(reg.blockInfo(blockTypeName2), nullptr); // Unregistered successfully
}
/** Tests that the callback-based hints work properly. */
static void testHintCallbacks()
{
LOGD("Testing hint callbacks...");
// Register the block type:
BlockTypeRegistry reg;
AString blockTypeName("test:block1");
AString pluginName("testPlugin");
AString hint1("testHint1");
AString hint1Value("value1");
AString hc1("hintCallback1");
int callbackCount = 0;
auto callback1 = [&callbackCount](const AString & aBlockType, const BlockState & aBlockState)
{
callbackCount = callbackCount + 1;
return aBlockType + "_hint";
};
std::shared_ptr<cBlockHandler> handler(new cBlockHandler(0x12345678));
std::map<AString, AString> hints = {{hint1, hint1Value}, {"testHint2", "value2"}};
std::map<AString, BlockInfo::HintCallback> hintCallbacks = {{hc1, callback1}};
reg.registerBlockType(pluginName, blockTypeName, handler, hints, hintCallbacks);
// Check that querying the hint using a callback works:
TEST_EQUAL(reg.blockInfo(blockTypeName)->hintValue(hc1, BlockState()), blockTypeName + "_hint");
TEST_EQUAL(callbackCount, 1); // Called exactly once
}
/** Tests whether thread-locking works properly by running two threads,
one constantly (re-)registering and the other one constantly querying the same block type. */
static void testThreadLocking()
{
LOGD("Testing thread locking...");
// Register the block type:
BlockTypeRegistry reg;
AString blockTypeName("test:block1");
AString pluginName("testPlugin");
AString hint1("testHint1");
AString hint1Value("value1");
std::shared_ptr<cBlockHandler> handler(new cBlockHandler(0x12345678));
std::map<AString, AString> hints = {{hint1, hint1Value}, {"testHint2", "value2"}};
std::map<AString, BlockInfo::HintCallback> hintCallbacks;
reg.registerBlockType(pluginName, blockTypeName, handler, hints, hintCallbacks);
// Run the two threads for at least a second:
auto endTime = time(nullptr) + 2;
auto keepRegistering = [&]()
{
while (time(nullptr) < endTime)
{
reg.registerBlockType(pluginName, blockTypeName, handler, hints, hintCallbacks);
}
};
auto keepQuerying = [&]()
{
unsigned numQueries = 0;
while (time(nullptr) < endTime)
{
TEST_NOTEQUAL(reg.blockInfo(blockTypeName), nullptr);
numQueries += 1;
}
LOGD("%u queries have been executed", numQueries);
};
std::thread thr1(keepRegistering);
std::thread thr2(keepQuerying);
thr1.join();
thr2.join();
}
static void testBlockTypeRegistry()
{
testSimpleReg();
testHintSetRemove();
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testPlugins();
testHintCallbacks();
testThreadLocking();
}
int main()
{
LOGD("BlockTypeRegistryTest started");
try
{
testBlockTypeRegistry();
}
catch (const TestException & exc)
{
LOGERROR("BlockTypeRegistryTest has failed, an unhandled exception was thrown: %s", exc.mMessage.c_str());
return 1;
}
catch (...)
{
LOGERROR("BlockTypeRegistryTest has failed, an unhandled exception was thrown.");
return 1;
}
LOGD("BlockTypeRegistryTest finished");
return 0;
}