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#ifndef ANDROID
#include <gtest/gtest.h>
#include "caffe2/core/init.h"
#include "caffe2/core/operator.h"
#include "caffe2/core/plan_executor.h"
namespace caffe2 {
TEST(PlanExecutorTest, EmptyPlan) {
PlanDef plan_def;
Workspace ws;
EXPECT_TRUE(ws.RunPlan(plan_def));
}
namespace {
static std::atomic<int> cancelCount{0};
static std::atomic<bool> stuckRun{false};
} // namespace
class StuckAsyncOp final : public Operator<CPUContext> {
public:
StuckAsyncOp(const OperatorDef& operator_def, Workspace* ws)
: Operator<CPUContext>(operator_def, ws) {}
bool RunOnDevice() override {
// notify Error op we've ran.
stuckRun = true;
// explicitly don't call SetFinished so this gets stuck
return true;
}
void CancelAsyncCallback() override {
LOG(INFO) << "cancelled";
cancelCount += 1;
}
bool HasAsyncPart() const override {
return true;
}
};
REGISTER_CPU_OPERATOR(StuckAsync, StuckAsyncOp);
OPERATOR_SCHEMA(StuckAsync).NumInputs(0).NumOutputs(0);
class TestError : public std::exception {
const char* what() const noexcept override {
return "test error";
}
};
class ErrorOp final : public Operator<CPUContext> {
public:
ErrorOp(const OperatorDef& operator_def, Workspace* ws)
: Operator<CPUContext>(operator_def, ws) {}
bool RunOnDevice() override {
// Wait for StuckAsyncOp to run first.
while (!stuckRun) {
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
throw TestError();
return true;
}
};
REGISTER_CPU_OPERATOR(Error, ErrorOp);
OPERATOR_SCHEMA(Error).NumInputs(0).NumOutputs(0);
PlanDef parallelErrorPlan() {
PlanDef plan_def;
auto* stuck_net = plan_def.add_network();
stuck_net->set_name("stuck_net");
stuck_net->set_type("async_scheduling");
{
auto* op = stuck_net->add_op();
op->set_type("StuckAsync");
}
auto* error_net = plan_def.add_network();
error_net->set_name("error_net");
error_net->set_type("async_scheduling");
{
auto op = error_net->add_op();
op->set_type("Error");
}
auto* execution_step = plan_def.add_execution_step();
execution_step->set_concurrent_substeps(true);
{
auto* substep = execution_step->add_substep();
substep->add_network(stuck_net->name());
}
{
auto* substep = execution_step->add_substep();
substep->add_network(error_net->name());
}
return plan_def;
}
struct HandleExecutorThreadExceptionsGuard {
HandleExecutorThreadExceptionsGuard() {
globalInit({
"caffe2",
"--caffe2_handle_executor_threads_exceptions=1",
});
}
~HandleExecutorThreadExceptionsGuard() {
globalInit({
"caffe2",
});
}
HandleExecutorThreadExceptionsGuard(
const HandleExecutorThreadExceptionsGuard&) = delete;
void operator=(const HandleExecutorThreadExceptionsGuard&) = delete;
private:
void globalInit(std::vector<std::string> args) {
std::vector<char*> args_ptrs;
for (auto& arg : args) {
args_ptrs.push_back(const_cast<char*>(arg.data()));
}
char** new_argv = args_ptrs.data();
int new_argc = args.size();
CAFFE_ENFORCE(GlobalInit(&new_argc, &new_argv));
}
};
TEST(PlanExecutorTest, ErrorAsyncPlan) {
HandleExecutorThreadExceptionsGuard guard;
PlanDef plan_def = parallelErrorPlan();
Workspace ws;
ASSERT_THROW(ws.RunPlan(plan_def), TestError);
ASSERT_EQ(cancelCount, 1);
}
} // namespace caffe2
#endif
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