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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.
#ifndef NINJA_TEST_H_
#define NINJA_TEST_H_
#include <gtest/gtest.h>
#include "disk_interface.h"
#include "state.h"
#include "util.h"
// Support utilites for tests.
struct Node;
/// A base test fixture that includes a State object with a
/// builtin "cat" rule.
struct StateTestWithBuiltinRules : public testing::Test {
StateTestWithBuiltinRules();
/// Add a "cat" rule to \a state. Used by some tests; it's
/// otherwise done by the ctor to state_.
void AddCatRule(State* state);
/// Short way to get a Node by its path from state_.
Node* GetNode(const string& path);
State state_;
};
void AssertParse(State* state, const char* input);
void AssertHash(const char* expected, uint64_t actual);
/// An implementation of DiskInterface that uses an in-memory representation
/// of disk state. It also logs file accesses and directory creations
/// so it can be used by tests to verify disk access patterns.
struct VirtualFileSystem : public DiskInterface {
VirtualFileSystem() : now_(1) {}
/// "Create" a file with contents.
void Create(const string& path, const string& contents);
/// Tick "time" forwards; subsequent file operations will be newer than
/// previous ones.
int Tick() {
return ++now_;
}
// DiskInterface
virtual TimeStamp Stat(const string& path);
virtual bool WriteFile(const string& path, const string& contents);
virtual bool MakeDir(const string& path);
virtual string ReadFile(const string& path, string* err);
virtual int RemoveFile(const string& path);
/// An entry for a single in-memory file.
struct Entry {
int mtime;
string contents;
};
vector<string> directories_made_;
vector<string> files_read_;
typedef map<string, Entry> FileMap;
FileMap files_;
set<string> files_removed_;
set<string> files_created_;
/// A simple fake timestamp for file operations.
int now_;
};
struct ScopedTempDir {
/// Create a temporary directory and chdir into it.
void CreateAndEnter(const string& name);
/// Clean up the temporary directory.
void Cleanup();
/// The temp directory containing our dir.
string start_dir_;
/// The subdirectory name for our dir, or empty if it hasn't been set up.
string temp_dir_name_;
};
#endif // NINJA_TEST_H_
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