shaka-packager/packager/mpd/test/mpd_builder_test_helper.cc

117 lines
3.9 KiB
C++

// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "packager/mpd/test/mpd_builder_test_helper.h"
#include <google/protobuf/text_format.h>
#include <gtest/gtest.h>
#include "packager/base/file_util.h"
#include "packager/base/path_service.h"
#include "packager/mpd/base/media_info.pb.h"
#include "packager/mpd/base/mpd_builder.h"
#include "packager/mpd/base/xml/scoped_xml_ptr.h"
#include "packager/mpd/test/xml_compare.h"
namespace edash_packager {
base::FilePath GetTestDataFilePath(const std::string& file_name) {
base::FilePath file_path;
CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
file_path = file_path.Append(FILE_PATH_LITERAL("packager"))
.Append(FILE_PATH_LITERAL("mpd"))
.Append(FILE_PATH_LITERAL("test"))
.Append(FILE_PATH_LITERAL("data"))
.AppendASCII(file_name);
return file_path;
}
base::FilePath GetSchemaPath() {
base::FilePath file_path;
CHECK(PathService::Get(base::DIR_SOURCE_ROOT, &file_path));
file_path = file_path.Append(FILE_PATH_LITERAL("packager"))
.Append(FILE_PATH_LITERAL("mpd"))
.Append(FILE_PATH_LITERAL("test"))
.Append(FILE_PATH_LITERAL("schema"))
.Append(FILE_PATH_LITERAL("DASH-MPD.xsd"));
return file_path;
}
std::string GetPathContent(const base::FilePath& file_path) {
std::string content;
bool file_read_to_string = base::ReadFileToString(file_path, &content);
DCHECK(file_read_to_string);
return content;
}
MediaInfo ConvertToMediaInfo(const std::string& media_info_string) {
MediaInfo media_info;
CHECK(::google::protobuf::TextFormat::ParseFromString(media_info_string,
&media_info));
return media_info;
}
MediaInfo GetTestMediaInfo(const std::string& media_info_file_name) {
return ConvertToMediaInfo(
GetPathContent(GetTestDataFilePath(media_info_file_name)));
}
bool ValidateMpdSchema(const std::string& mpd) {
xml::ScopedXmlPtr<xmlDoc>::type doc(
xmlParseMemory(mpd.data(), mpd.size()));
if (!doc) {
LOG(ERROR) << "Failed to parse mpd into an xml doc.";
return false;
}
base::FilePath schema_path = GetSchemaPath();
std::string schema_str = GetPathContent(schema_path);
// First, I need to load the schema as a xmlDoc so that I can pass the path of
// the DASH-MPD.xsd. Then it can resolve the relative path included from the
// XSD when creating xmlSchemaParserCtxt.
xml::ScopedXmlPtr<xmlDoc>::type schema_as_doc(
xmlReadMemory(schema_str.data(),
schema_str.size(),
schema_path.value().c_str(),
NULL,
0));
DCHECK(schema_as_doc);
xml::ScopedXmlPtr<xmlSchemaParserCtxt>::type
schema_parser_ctxt(xmlSchemaNewDocParserCtxt(schema_as_doc.get()));
DCHECK(schema_parser_ctxt);
xml::ScopedXmlPtr<xmlSchema>::type schema(
xmlSchemaParse(schema_parser_ctxt.get()));
DCHECK(schema);
xml::ScopedXmlPtr<xmlSchemaValidCtxt>::type valid_ctxt(
xmlSchemaNewValidCtxt(schema.get()));
DCHECK(valid_ctxt);
int validation_result =
xmlSchemaValidateDoc(valid_ctxt.get(), doc.get());
DLOG(INFO) << "XSD validation result: " << validation_result;
return validation_result == 0;
}
void ExpectMpdToEqualExpectedOutputFile(
const std::string& mpd_string,
const std::string& expected_output_file) {
std::string expected_mpd;
ASSERT_TRUE(base::ReadFileToString(GetTestDataFilePath(expected_output_file),
&expected_mpd))
<< "Failed to read: " << expected_output_file;
// Adding extra << here to get a formatted output.
ASSERT_TRUE(XmlEqual(expected_mpd, mpd_string))
<< "Expected:" << std::endl << expected_mpd << std::endl
<< "Actual:" << std::endl << mpd_string;
}
} // namespace edash_packager