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Implements move operations (2)...
Implements move operations (2) Implements execute() method

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FuzzingOperations.cpp
178 lines | 7.0 KiB | text/x-c | CppLexer
/ plugins / amda / tests / FuzzingOperations.cpp
#include "FuzzingOperations.h"
#include "FuzzingUtils.h"
#include <Data/IDataProvider.h>
#include <Variable/Variable.h>
#include <Variable/VariableController.h>
#include <QUuid>
#include <functional>
Q_LOGGING_CATEGORY(LOG_FuzzingOperations, "FuzzingOperations")
namespace {
struct CreateOperation : public IFuzzingOperation {
bool canExecute(std::shared_ptr<Variable> variable) const override
{
// A variable can be created only if it doesn't exist yet
return variable == nullptr;
}
void execute(std::shared_ptr<Variable> &variable, VariableController &variableController,
const Properties &properties) const override
{
// Retrieves metadata pool from properties, and choose one of the metadata entries to
// associate it with the variable
auto metaDataPool = properties.value(METADATA_POOL_PROPERTY).value<MetadataPool>();
auto variableMetadata = RandomGenerator::instance().randomChoice(metaDataPool);
// Retrieves provider
auto variableProvider
= properties.value(PROVIDER_PROPERTY).value<std::shared_ptr<IDataProvider> >();
auto variableName = QString{"Var_%1"}.arg(QUuid::createUuid().toString());
qCInfo(LOG_FuzzingOperations())
<< "Creating variable" << variableName << "(metadata:" << variableMetadata << ")";
auto newVariable
= variableController.createVariable(variableName, variableMetadata, variableProvider);
std::swap(variable, newVariable);
}
};
/**
* Defines a move operation through a range.
*
* A move operation is determined by three functions:
* - Two 'move' functions, used to indicate in which direction the beginning and the end of a range
* are going during the operation. These functions will be:
* -- {<- / <-} for pan left
* -- {-> / ->} for pan right
* -- {-> / <-} for zoom in
* -- {<- / ->} for zoom out
* - One 'max move' functions, used to compute the max delta at which the operation can move a
* range, according to a max range. For exemple, for a range of {1, 5} and a max range of {0, 10},
* max deltas will be:
* -- {0, 4} for pan left
* -- {6, 10} for pan right
* -- {3, 3} for zoom in
* -- {0, 6} for zoom out (same spacing left and right)
*/
struct MoveOperation : public IFuzzingOperation {
using MoveFunction = std::function<double(double currentValue, double maxValue)>;
using MaxMoveFunction = std::function<double(const SqpRange &range, const SqpRange &maxRange)>;
explicit MoveOperation(MoveFunction rangeStartMoveFun, MoveFunction rangeEndMoveFun,
MaxMoveFunction maxMoveFun,
const QString &label = QStringLiteral("Move operation"))
: m_RangeStartMoveFun{std::move(rangeStartMoveFun)},
m_RangeEndMoveFun{std::move(rangeEndMoveFun)},
m_MaxMoveFun{std::move(maxMoveFun)},
m_Label{label}
{
}
bool canExecute(std::shared_ptr<Variable> variable) const override
{
return variable != nullptr;
}
void execute(std::shared_ptr<Variable> &variable, VariableController &variableController,
const Properties &properties) const override
{
// Gets the max range defined
auto maxRange = properties.value(MAX_RANGE_PROPERTY, QVariant::fromValue(INVALID_RANGE))
.value<SqpRange>();
auto variableRange = variable->range();
if (maxRange == INVALID_RANGE || variableRange.m_TStart < maxRange.m_TStart
|| variableRange.m_TEnd > maxRange.m_TEnd) {
qCWarning(LOG_FuzzingOperations()) << "Can't execute operation: invalid max range";
return;
}
// Computes the max delta at which the variable can move, up to the limits of the max range
auto deltaMax = m_MaxMoveFun(variable->range(), maxRange);
// Generates random delta that will be used to move variable
auto delta = RandomGenerator::instance().generateDouble(0, deltaMax);
// Moves variable to its new range
auto newVariableRange = SqpRange{m_RangeStartMoveFun(variableRange.m_TStart, delta),
m_RangeEndMoveFun(variableRange.m_TEnd, delta)};
qCInfo(LOG_FuzzingOperations())
<< "Performing" << m_Label << "on" << variable->name() << "(from" << variableRange
<< "to" << newVariableRange << ")...";
variableController.onRequestDataLoading({variable}, newVariableRange, false);
}
MoveFunction m_RangeStartMoveFun;
MoveFunction m_RangeEndMoveFun;
MaxMoveFunction m_MaxMoveFun;
QString m_Label;
};
struct UnknownOperation : public IFuzzingOperation {
bool canExecute(std::shared_ptr<Variable> variable) const override
{
Q_UNUSED(variable);
return false;
}
void execute(std::shared_ptr<Variable> &variable, VariableController &variableController,
const Properties &properties) const override
{
Q_UNUSED(variable);
Q_UNUSED(variableController);
Q_UNUSED(properties);
// Does nothing
}
};
} // namespace
std::unique_ptr<IFuzzingOperation> FuzzingOperationFactory::create(FuzzingOperationType type)
{
switch (type) {
case FuzzingOperationType::CREATE:
return std::make_unique<CreateOperation>();
case FuzzingOperationType::PAN_LEFT:
return std::make_unique<MoveOperation>(
std::minus<double>(), std::minus<double>(),
[](const SqpRange &range, const SqpRange &maxRange) {
return range.m_TStart - maxRange.m_TStart;
},
QStringLiteral("Pan left operation"));
case FuzzingOperationType::PAN_RIGHT:
return std::make_unique<MoveOperation>(
std::plus<double>(), std::plus<double>(),
[](const SqpRange &range, const SqpRange &maxRange) {
return maxRange.m_TEnd - range.m_TEnd;
},
QStringLiteral("Pan right operation"));
case FuzzingOperationType::ZOOM_IN:
return std::make_unique<MoveOperation>(
std::plus<double>(), std::minus<double>(),
[](const SqpRange &range, const SqpRange &maxRange) {
Q_UNUSED(maxRange)
return range.m_TEnd - (range.m_TStart + range.m_TEnd) / 2.;
},
QStringLiteral("Zoom in operation"));
case FuzzingOperationType::ZOOM_OUT:
return std::make_unique<MoveOperation>(
std::minus<double>(), std::plus<double>(),
[](const SqpRange &range, const SqpRange &maxRange) {
return std::min(range.m_TStart - maxRange.m_TStart,
maxRange.m_TEnd - range.m_TEnd);
},
QStringLiteral("Zoom out operation"));
default:
// Default case returns unknown operation
break;
}
return std::make_unique<UnknownOperation>();
}