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#include "eval/eval/create_list_step.h"
#include <string>
#include <utility>
#include <vector>
#include "google/protobuf/descriptor.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/eval/test_type_registry.h"
#include "eval/public/activation.h"
#include "eval/public/cel_attribute.h"
#include "eval/public/unknown_attribute_set.h"
#include "internal/status_macros.h"
#include "internal/testing.h"
#include "runtime/runtime_options.h"
namespace google::api::expr::runtime {
namespace {
using ::cel::ast::internal::Expr;
using testing::Eq;
using testing::Not;
using cel::internal::IsOk;
// 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.mutable_elements().emplace_back();
expr0.mutable_const_expr().set_int64_value(value);
CEL_ASSIGN_OR_RETURN(
auto const_step,
CreateConstValueStep(ConvertConstant(expr0.const_expr()), expr0.id()));
path.push_back(std::move(const_step));
}
CEL_ASSIGN_OR_RETURN(auto step,
CreateCreateListStep(create_list, dummy_expr.id()));
path.push_back(std::move(step));
cel::RuntimeOptions options;
if (enable_unknowns) {
options.unknown_processing = cel::UnknownProcessingOptions::kAttributeOnly;
}
CelExpressionFlatImpl cel_expr(std::move(path), &TestTypeRegistry(), options);
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.mutable_elements().emplace_back();
expr0.set_id(ind);
expr0.mutable_ident_expr().set_name(var_name);
CEL_ASSIGN_OR_RETURN(auto ident_step,
CreateIdentStep(expr0.ident_expr(), expr0.id()));
path.push_back(std::move(ident_step));
activation.InsertValue(var_name, value);
}
CEL_ASSIGN_OR_RETURN(auto step0,
CreateCreateListStep(create_list, dummy_expr.id()));
path.push_back(std::move(step0));
cel::RuntimeOptions options;
if (enable_unknowns) {
options.unknown_processing = cel::UnknownProcessingOptions::kAttributeOnly;
}
CelExpressionFlatImpl cel_expr(std::move(path), &TestTypeRegistry(), options);
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, TestCreateListStackUnderflow) {
ExecutionPath path;
Expr dummy_expr;
auto& create_list = dummy_expr.mutable_list_expr();
auto& expr0 = create_list.mutable_elements().emplace_back();
expr0.mutable_const_expr().set_int64_value(1);
ASSERT_OK_AND_ASSIGN(auto step0,
CreateCreateListStep(create_list, dummy_expr.id()));
path.push_back(std::move(step0));
CelExpressionFlatImpl cel_expr(std::move(path), &TestTypeRegistry(),
cel::RuntimeOptions{});
Activation activation;
google::protobuf::Arena arena;
auto status = cel_expr.Evaluate(activation, &arena);
ASSERT_THAT(status, Not(IsOk()));
}
TEST_P(CreateListStepTest, CreateListEmpty) {
google::protobuf::Arena arena;
ASSERT_OK_AND_ASSIGN(CelValue result, RunExpression({}, &arena, GetParam()));
ASSERT_TRUE(result.IsList());
EXPECT_THAT(result.ListOrDie()->size(), Eq(0));
}
TEST_P(CreateListStepTest, CreateListOne) {
google::protobuf::Arena arena;
ASSERT_OK_AND_ASSIGN(CelValue result,
RunExpression({100}, &arena, GetParam()));
ASSERT_TRUE(result.IsList());
EXPECT_THAT(result.ListOrDie()->size(), Eq(1));
EXPECT_THAT((*result.ListOrDie())[0].Int64OrDie(), Eq(100));
}
TEST_P(CreateListStepTest, CreateListWithError) {
google::protobuf::Arena arena;
std::vector<CelValue> values;
CelError error = absl::InvalidArgumentError("bad arg");
values.push_back(CelValue::CreateError(&error));
ASSERT_OK_AND_ASSIGN(CelValue result,
RunExpressionWithCelValues(values, &arena, GetParam()));
ASSERT_TRUE(result.IsError());
EXPECT_THAT(*result.ErrorOrDie(), Eq(absl::InvalidArgumentError("bad arg")));
}
TEST_P(CreateListStepTest, CreateListWithErrorAndUnknown) {
google::protobuf::Arena arena;
// list composition is: {unknown, error}
std::vector<CelValue> values;
Expr expr0;
expr0.mutable_ident_expr().set_name("name0");
CelAttribute attr0(expr0.ident_expr().name(), {});
UnknownSet unknown_set0(UnknownAttributeSet({attr0}));
values.push_back(CelValue::CreateUnknownSet(&unknown_set0));
CelError error = absl::InvalidArgumentError("bad arg");
values.push_back(CelValue::CreateError(&error));
ASSERT_OK_AND_ASSIGN(CelValue result,
RunExpressionWithCelValues(values, &arena, GetParam()));
// The bad arg should win.
ASSERT_TRUE(result.IsError());
EXPECT_THAT(*result.ErrorOrDie(), Eq(absl::InvalidArgumentError("bad arg")));
}
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);
}
ASSERT_OK_AND_ASSIGN(CelValue result,
RunExpression(values, &arena, GetParam()));
ASSERT_TRUE(result.IsList());
EXPECT_THAT(result.ListOrDie()->size(), Eq(static_cast<int>(values.size())));
for (size_t i = 0; i < values.size(); i++) {
EXPECT_THAT((*result.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.ident_expr().name(), {});
Expr expr1;
expr1.mutable_ident_expr().set_name("name1");
CelAttribute attr1(expr1.ident_expr().name(), {});
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));
ASSERT_OK_AND_ASSIGN(CelValue result,
RunExpressionWithCelValues(values, &arena, true));
ASSERT_TRUE(result.IsUnknownSet());
const UnknownSet* result_set = result.UnknownSetOrDie();
EXPECT_THAT(result_set->unknown_attributes().size(), Eq(2));
}
INSTANTIATE_TEST_SUITE_P(CombinedCreateListTest, CreateListStepTest,
testing::Bool());
} // namespace
} // namespace google::api::expr::runtime