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#include "eval/eval/create_list_step.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "eval/eval/const_value_step.h"
#include "eval/eval/ident_step.h"
#include "eval/public/activation.h"
#include "eval/public/cel_attribute.h"
#include "eval/public/unknown_attribute_set.h"
#include "base/status_macros.h"
namespace google {
namespace api {
namespace expr {
namespace runtime {
namespace {
using testing::Eq;
using testing::Not;
using google::api::expr::v1alpha1::Expr;
// Helper method. Creates simple pipeline containing Select step and runs it.
absl::StatusOr<CelValue> RunExpression(const std::vector<int64_t>& values,
google::protobuf::Arena* arena,
bool enable_unknowns) {
ExecutionPath path;
Expr dummy_expr;
auto create_list = dummy_expr.mutable_list_expr();
for (auto value : values) {
auto expr0 = create_list->add_elements();
expr0->mutable_const_expr()->set_int64_value(value);
auto const_step_status = CreateConstValueStep(
ConvertConstant(&expr0->const_expr()).value(), expr0->id());
if (!const_step_status.ok()) {
return const_step_status.status();
}
path.push_back(std::move(const_step_status.value()));
}
auto step0_status = CreateCreateListStep(create_list, dummy_expr.id());
if (!step0_status.ok()) {
return step0_status.status();
}
path.push_back(std::move(step0_status.value()));
CelExpressionFlatImpl cel_expr(&dummy_expr, std::move(path), 0, {},
enable_unknowns);
Activation activation;
return cel_expr.Evaluate(activation, arena);
}
// Helper method. Creates simple pipeline containing Select step and runs it.
absl::StatusOr<CelValue> RunExpressionWithCelValues(
const std::vector<CelValue>& values, google::protobuf::Arena* arena,
bool enable_unknowns) {
ExecutionPath path;
Expr dummy_expr;
Activation activation;
auto create_list = dummy_expr.mutable_list_expr();
int ind = 0;
for (auto value : values) {
std::string var_name = absl::StrCat("name_", ind++);
auto expr0 = create_list->add_elements();
expr0->set_id(ind);
expr0->mutable_ident_expr()->set_name(var_name);
auto ident_step_status = CreateIdentStep(&expr0->ident_expr(), expr0->id());
if (!ident_step_status.ok()) {
return ident_step_status.status();
}
path.push_back(std::move(ident_step_status.value()));
activation.InsertValue(var_name, value);
}
auto step0_status = CreateCreateListStep(create_list, dummy_expr.id());
if (!step0_status.ok()) {
return step0_status.status();
}
path.push_back(std::move(step0_status.value()));
CelExpressionFlatImpl cel_expr(&dummy_expr, std::move(path), 0, {},
enable_unknowns);
return cel_expr.Evaluate(activation, arena);
}
class CreateListStepTest : public testing::TestWithParam<bool> {};
// Tests error when not enough list elements are on the stack during list
// creation.
TEST(CreateListStepTest, TestCreateListStackUndeflow) {
ExecutionPath path;
Expr dummy_expr;
auto create_list = dummy_expr.mutable_list_expr();
auto expr0 = create_list->add_elements();
expr0->mutable_const_expr()->set_int64_value(1);
auto step0_status = CreateCreateListStep(create_list, dummy_expr.id());
ASSERT_OK(step0_status);
path.push_back(std::move(step0_status.value()));
CelExpressionFlatImpl cel_expr(&dummy_expr, std::move(path), 0, {});
Activation activation;
google::protobuf::Arena arena;
auto status = cel_expr.Evaluate(activation, &arena);
ASSERT_FALSE(status.ok());
}
TEST_P(CreateListStepTest, CreateListEmpty) {
google::protobuf::Arena arena;
auto eval_result = RunExpression({}, &arena, GetParam());
ASSERT_OK(eval_result);
const CelValue result_value = eval_result.value();
ASSERT_TRUE(result_value.IsList());
EXPECT_THAT(result_value.ListOrDie()->size(), Eq(0));
}
TEST_P(CreateListStepTest, CreateListOne) {
google::protobuf::Arena arena;
auto eval_result = RunExpression({100}, &arena, GetParam());
ASSERT_OK(eval_result);
const CelValue result_value = eval_result.value();
ASSERT_TRUE(result_value.IsList());
EXPECT_THAT(result_value.ListOrDie()->size(), Eq(1));
EXPECT_THAT((*result_value.ListOrDie())[0].Int64OrDie(), Eq(100));
}
TEST_P(CreateListStepTest, CreateListHundred) {
google::protobuf::Arena arena;
std::vector<int64_t> values;
for (size_t i = 0; i < 100; i++) {
values.push_back(i);
}
auto eval_result = RunExpression(values, &arena, GetParam());
ASSERT_OK(eval_result);
const CelValue result_value = eval_result.value();
ASSERT_TRUE(result_value.IsList());
EXPECT_THAT(result_value.ListOrDie()->size(),
Eq(static_cast<int>(values.size())));
for (size_t i = 0; i < values.size(); i++) {
EXPECT_THAT((*result_value.ListOrDie())[i].Int64OrDie(), Eq(values[i]));
}
}
TEST(CreateListStepTest, CreateListHundredAnd2Unknowns) {
google::protobuf::Arena arena;
std::vector<CelValue> values;
Expr expr0;
expr0.mutable_ident_expr()->set_name("name0");
CelAttribute attr0(expr0, {});
Expr expr1;
expr1.mutable_ident_expr()->set_name("name1");
CelAttribute attr1(expr1, {});
UnknownSet unknown_set0(UnknownAttributeSet({&attr0}));
UnknownSet unknown_set1(UnknownAttributeSet({&attr1}));
for (size_t i = 0; i < 100; i++) {
values.push_back(CelValue::CreateInt64(i));
}
values.push_back(CelValue::CreateUnknownSet(&unknown_set0));
values.push_back(CelValue::CreateUnknownSet(&unknown_set1));
auto eval_result = RunExpressionWithCelValues(values, &arena, true);
ASSERT_OK(eval_result);
const CelValue result_value = eval_result.value();
ASSERT_TRUE(result_value.IsUnknownSet());
const UnknownSet* result_set = result_value.UnknownSetOrDie();
EXPECT_THAT(result_set->unknown_attributes().attributes().size(), Eq(2));
}
INSTANTIATE_TEST_SUITE_P(CombinedCreateListTest, CreateListStepTest,
testing::Bool());
} // namespace
} // namespace runtime
} // namespace expr
} // namespace api
} // namespace google