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// Copyright 2026 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "codelab/checked_expr_conversion_example.h"
#include <memory>
#include <utility>
#include "cel/expr/checked.pb.h"
#include "absl/status/status_matchers.h"
#include "checker/validation_result.h"
#include "common/ast.h"
#include "compiler/compiler.h"
#include "compiler/compiler_factory.h"
#include "compiler/standard_library.h"
#include "internal/testing.h"
#include "google/protobuf/descriptor.h"
namespace cel_codelab {
namespace {
using ::absl_testing::IsOk;
TEST(CheckedExprConversionExampleTest, ConvertAstToCheckedExprAndBack) {
ASSERT_OK_AND_ASSIGN(
std::unique_ptr<cel::CompilerBuilder> builder,
cel::NewCompilerBuilder(google::protobuf::DescriptorPool::generated_pool()));
ASSERT_THAT(builder->AddLibrary(cel::StandardCompilerLibrary()), IsOk());
ASSERT_OK_AND_ASSIGN(std::unique_ptr<cel::Compiler> compiler,
std::move(builder)->Build());
ASSERT_OK_AND_ASSIGN(cel::ValidationResult validation_result,
compiler->Compile("1 + 2 == 3"));
ASSERT_TRUE(validation_result.IsValid());
ASSERT_OK_AND_ASSIGN(std::unique_ptr<cel::Ast> ast,
validation_result.ReleaseAst());
// Convert cel::Ast to CheckedExpr proto
ASSERT_OK_AND_ASSIGN(cel::expr::CheckedExpr checked_expr,
ConvertAstToCheckedExpr(*ast));
// Convert CheckedExpr proto back to cel::Ast
ASSERT_OK_AND_ASSIGN(std::unique_ptr<cel::Ast> roundtrip_ast,
ConvertCheckedExprToAst(checked_expr));
EXPECT_NE(roundtrip_ast, nullptr);
}
} // namespace
} // namespace cel_codelab