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// Copyright 2011 Google Inc. All Rights Reserved.
//
// 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
//
// http://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 "test.h"
#include <algorithm>
#include <errno.h>
#include "parsers.h"
#include "util.h"
#ifdef _WIN32
#include <windows.h>
#endif
namespace {
#ifdef _WIN32
#ifndef _mktemp_s
/// mingw has no mktemp. Implement one with the same type as the one
/// found in the Windows API.
int _mktemp_s(char* templ) {
char* ofs = strchr(templ, 'X');
sprintf(ofs, "%d", rand() % 1000000);
return 0;
}
#endif
/// Windows has no mkdtemp. Implement it in terms of _mktemp_s.
char* mkdtemp(char* name_template) {
int err = _mktemp_s(name_template);
if (err < 0) {
perror("_mktemp_s");
return NULL;
}
err = _mkdir(name_template);
if (err < 0) {
perror("mkdir");
return NULL;
}
return name_template;
}
#endif // _WIN32
string GetSystemTempDir() {
#ifdef _WIN32
char buf[1024];
if (!GetTempPath(sizeof(buf), buf))
return "";
return buf;
#else
const char* tempdir = getenv("TMPDIR");
if (tempdir)
return tempdir;
return "/tmp";
#endif
}
} // anonymous namespace
StateTestWithBuiltinRules::StateTestWithBuiltinRules() {
AssertParse(&state_,
"rule cat\n"
" command = cat $in > $out\n");
}
Node* StateTestWithBuiltinRules::GetNode(const string& path) {
return state_.GetNode(path);
}
void AssertParse(State* state, const char* input) {
ManifestParser parser(state, NULL);
string err;
ASSERT_TRUE(parser.ParseTest(input, &err)) << err;
ASSERT_EQ("", err);
}
void VirtualFileSystem::Create(const string& path, int time,
const string& contents) {
files_[path].mtime = time;
files_[path].contents = contents;
files_created_.insert(path);
}
TimeStamp VirtualFileSystem::Stat(const string& path) {
FileMap::iterator i = files_.find(path);
if (i != files_.end())
return i->second.mtime;
return 0;
}
bool VirtualFileSystem::WriteFile(const string& path, const string& contents) {
Create(path, 0, contents);
return true;
}
bool VirtualFileSystem::MakeDir(const string& path) {
directories_made_.push_back(path);
return true; // success
}
string VirtualFileSystem::ReadFile(const string& path, string* err) {
files_read_.push_back(path);
FileMap::iterator i = files_.find(path);
if (i != files_.end())
return i->second.contents;
return "";
}
int VirtualFileSystem::RemoveFile(const string& path) {
if (find(directories_made_.begin(), directories_made_.end(), path)
!= directories_made_.end())
return -1;
FileMap::iterator i = files_.find(path);
if (i != files_.end()) {
files_.erase(i);
files_removed_.insert(path);
return 0;
} else {
return 1;
}
}
void ScopedTempDir::CreateAndEnter(const string& name) {
// First change into the system temp dir and save it for cleanup.
start_dir_ = GetSystemTempDir();
if (start_dir_.empty())
Fatal("couldn't get system temp dir");
if (chdir(start_dir_.c_str()) < 0)
Fatal("chdir: %s", strerror(errno));
// Create a temporary subdirectory of that.
char name_template[1024];
strcpy(name_template, name.c_str());
strcat(name_template, "-XXXXXX");
char* tempname = mkdtemp(name_template);
if (!tempname)
Fatal("mkdtemp: %s", strerror(errno));
temp_dir_name_ = tempname;
// chdir into the new temporary directory.
if (chdir(temp_dir_name_.c_str()) < 0)
Fatal("chdir: %s", strerror(errno));
}
void ScopedTempDir::Cleanup() {
if (temp_dir_name_.empty())
return; // Something went wrong earlier.
// Move out of the directory we're about to clobber.
if (chdir(start_dir_.c_str()) < 0)
Fatal("chdir: %s", strerror(errno));
#ifdef _WIN32
string command = "rmdir /s /q " + temp_dir_name_;
#else
string command = "rm -rf " + temp_dir_name_;
#endif
if (system(command.c_str()) < 0)
Fatal("system: %s", strerror(errno));
temp_dir_name_.clear();
}
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