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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <string_view>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/json/json_reader.h"
#include "base/test/gmock_expected_support.h"
#include "base/token.h"
#include "base/values.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/test_utils.h"
#include "services/data_decoder/public/cpp/data_decoder.h"
#include "services/data_decoder/public/cpp/safe_xml_parser.h"
#include "services/data_decoder/public/mojom/xml_parser.mojom.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
constexpr char kTestXml[] = "<hello>bonjour</hello>";
constexpr char kTestJson[] = R"(
{"type": "element",
"tag": "hello",
"children": [{"type": "text", "text": "bonjour"}]
} )";
class SafeXmlParserTest : public InProcessBrowserTest {
public:
SafeXmlParserTest() = default;
SafeXmlParserTest(const SafeXmlParserTest&) = delete;
SafeXmlParserTest& operator=(const SafeXmlParserTest&) = delete;
~SafeXmlParserTest() override = default;
protected:
// Parses |xml| and compares its parsed representation with |expected_json|.
// If |expected_json| is empty, the XML parsing is expected to fail.
void TestParse(std::string_view xml, const std::string& expected_json) {
SCOPED_TRACE(xml);
base::RunLoop run_loop;
std::optional<base::Value> expected_value;
if (!expected_json.empty()) {
expected_value = base::JSONReader::Read(expected_json);
DCHECK(expected_value) << "Bad test, incorrect JSON: " << expected_json;
}
data_decoder::DataDecoder::ParseXmlIsolated(
std::string(xml),
data_decoder::mojom::XmlParser::WhitespaceBehavior::kIgnore,
base::BindOnce(&SafeXmlParserTest::XmlParsingDone,
base::Unretained(this), run_loop.QuitClosure(),
std::move(expected_value)));
run_loop.Run();
}
private:
void XmlParsingDone(base::OnceClosure quit_loop_closure,
std::optional<base::Value> expected_value,
data_decoder::DataDecoder::ValueOrError result) {
base::ScopedClosureRunner runner(std::move(quit_loop_closure));
if (expected_value) {
ASSERT_THAT(result, base::test::ValueIs(::testing::Eq(
::testing::ByRef(*expected_value))));
} else {
EXPECT_FALSE(result.has_value());
}
}
};
} // namespace
// Tests that SafeXmlParser does parse. (actual XML parsing is tested in the
// service unit-tests).
IN_PROC_BROWSER_TEST_F(SafeXmlParserTest, Parse) {
TestParse("[\"this is JSON not XML\"]", "");
TestParse(kTestXml, kTestJson);
}
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