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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "google_apis/drive/test_util.h"
      6 
      7 #include "base/file_util.h"
      8 #include "base/json/json_file_value_serializer.h"
      9 #include "base/json/json_reader.h"
     10 #include "base/message_loop/message_loop.h"
     11 #include "base/path_service.h"
     12 #include "base/rand_util.h"
     13 #include "base/run_loop.h"
     14 #include "base/strings/string_number_conversions.h"
     15 #include "base/strings/string_split.h"
     16 #include "base/strings/string_util.h"
     17 #include "base/strings/stringprintf.h"
     18 #include "google_apis/drive/drive_api_parser.h"
     19 #include "google_apis/drive/gdata_wapi_parser.h"
     20 #include "google_apis/drive/gdata_wapi_requests.h"
     21 #include "net/test/embedded_test_server/http_request.h"
     22 #include "net/test/embedded_test_server/http_response.h"
     23 #include "url/gurl.h"
     24 
     25 namespace google_apis {
     26 namespace test_util {
     27 
     28 bool RemovePrefix(const std::string& input,
     29                   const std::string& prefix,
     30                   std::string* output) {
     31   if (!StartsWithASCII(input, prefix, true /* case sensitive */))
     32     return false;
     33 
     34   *output = input.substr(prefix.size());
     35   return true;
     36 }
     37 
     38 base::FilePath GetTestFilePath(const std::string& relative_path) {
     39   base::FilePath path;
     40   if (!PathService::Get(base::DIR_SOURCE_ROOT, &path))
     41     return base::FilePath();
     42   path = path.AppendASCII("chrome")
     43              .AppendASCII("test")
     44              .AppendASCII("data")
     45              .Append(base::FilePath::FromUTF8Unsafe(relative_path));
     46   return path;
     47 }
     48 
     49 GURL GetBaseUrlForTesting(int port) {
     50   return GURL(base::StringPrintf("http://127.0.0.1:%d/", port));
     51 }
     52 
     53 void RunAndQuit(base::RunLoop* run_loop, const base::Closure& closure) {
     54   closure.Run();
     55   run_loop->Quit();
     56 }
     57 
     58 bool WriteStringToFile(const base::FilePath& file_path,
     59                        const std::string& content) {
     60   int result = base::WriteFile(
     61       file_path, content.data(), static_cast<int>(content.size()));
     62   return content.size() == static_cast<size_t>(result);
     63 }
     64 
     65 bool CreateFileOfSpecifiedSize(const base::FilePath& temp_dir,
     66                                size_t size,
     67                                base::FilePath* path,
     68                                std::string* data) {
     69   if (!base::CreateTemporaryFileInDir(temp_dir, path))
     70     return false;
     71 
     72   if (size == 0) {
     73     // Note: RandBytesAsString doesn't support generating an empty string.
     74     data->clear();
     75     return true;
     76   }
     77 
     78   *data = base::RandBytesAsString(size);
     79   return WriteStringToFile(*path, *data);
     80 }
     81 
     82 scoped_ptr<base::Value> LoadJSONFile(const std::string& relative_path) {
     83   base::FilePath path = GetTestFilePath(relative_path);
     84 
     85   std::string error;
     86   JSONFileValueSerializer serializer(path);
     87   scoped_ptr<base::Value> value(serializer.Deserialize(NULL, &error));
     88   LOG_IF(WARNING, !value.get()) << "Failed to parse " << path.value()
     89                                 << ": " << error;
     90   return value.Pass();
     91 }
     92 
     93 // Returns a HttpResponse created from the given file path.
     94 scoped_ptr<net::test_server::BasicHttpResponse> CreateHttpResponseFromFile(
     95     const base::FilePath& file_path) {
     96   std::string content;
     97   if (!base::ReadFileToString(file_path, &content))
     98     return scoped_ptr<net::test_server::BasicHttpResponse>();
     99 
    100   std::string content_type = "text/plain";
    101   if (EndsWith(file_path.AsUTF8Unsafe(), ".json", true /* case sensitive */))
    102     content_type = "application/json";
    103 
    104   scoped_ptr<net::test_server::BasicHttpResponse> http_response(
    105       new net::test_server::BasicHttpResponse);
    106   http_response->set_code(net::HTTP_OK);
    107   http_response->set_content(content);
    108   http_response->set_content_type(content_type);
    109   return http_response.Pass();
    110 }
    111 
    112 scoped_ptr<net::test_server::HttpResponse> HandleDownloadFileRequest(
    113     const GURL& base_url,
    114     net::test_server::HttpRequest* out_request,
    115     const net::test_server::HttpRequest& request) {
    116   *out_request = request;
    117 
    118   GURL absolute_url = base_url.Resolve(request.relative_url);
    119   std::string remaining_path;
    120   if (!RemovePrefix(absolute_url.path(), "/files/", &remaining_path))
    121     return scoped_ptr<net::test_server::HttpResponse>();
    122   return CreateHttpResponseFromFile(
    123       GetTestFilePath(remaining_path)).PassAs<net::test_server::HttpResponse>();
    124 }
    125 
    126 bool ParseContentRangeHeader(const std::string& value,
    127                              int64* start_position,
    128                              int64* end_position,
    129                              int64* length) {
    130   DCHECK(start_position);
    131   DCHECK(end_position);
    132   DCHECK(length);
    133 
    134   std::string remaining;
    135   if (!RemovePrefix(value, "bytes ", &remaining))
    136     return false;
    137 
    138   std::vector<std::string> parts;
    139   base::SplitString(remaining, '/', &parts);
    140   if (parts.size() != 2U)
    141     return false;
    142 
    143   const std::string range = parts[0];
    144   if (!base::StringToInt64(parts[1], length))
    145     return false;
    146 
    147   parts.clear();
    148   base::SplitString(range, '-', &parts);
    149   if (parts.size() != 2U)
    150     return false;
    151 
    152   return (base::StringToInt64(parts[0], start_position) &&
    153           base::StringToInt64(parts[1], end_position));
    154 }
    155 
    156 void AppendProgressCallbackResult(std::vector<ProgressInfo>* progress_values,
    157                                   int64 progress,
    158                                   int64 total) {
    159   progress_values->push_back(ProgressInfo(progress, total));
    160 }
    161 
    162 TestGetContentCallback::TestGetContentCallback()
    163     : callback_(base::Bind(&TestGetContentCallback::OnGetContent,
    164                            base::Unretained(this))) {
    165 }
    166 
    167 TestGetContentCallback::~TestGetContentCallback() {
    168 }
    169 
    170 std::string TestGetContentCallback::GetConcatenatedData() const {
    171   std::string result;
    172   for (size_t i = 0; i < data_.size(); ++i) {
    173     result += *data_[i];
    174   }
    175   return result;
    176 }
    177 
    178 void TestGetContentCallback::OnGetContent(google_apis::GDataErrorCode error,
    179                                           scoped_ptr<std::string> data) {
    180   data_.push_back(data.release());
    181 }
    182 
    183 }  // namespace test_util
    184 }  // namespace google_apis
    185