ZipTests.cpp

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/****************************************************************************
 Copyright (c) 2019 Xiamen Yaji Software Co., Ltd.
 
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#include "ZipTests.h"
 
#include <sstream>
 
#include "unzip/unzip.h"
#include "unzip/crypt.h"
 
using namespace cocos2d;
 
ZipTests::ZipTests() {
    ADD_TEST_CASE(UnZipNormalFile);
    ADD_TEST_CASE(UnZipWithPassword);
}
 
std::string ZipTest::title() const {
    return "Unzip Test";
}
 
 
static void unzipTest(Label *label, const std::string &originFile, const std::string &tmpName, const std::string &zipFile, const std::string& password = "")
{
 
    auto fu = FileUtils::getInstance();
    cocos2d::Data origContent;
    const int BUFF_SIZE = 1024;
    char *buff = nullptr;
    std::vector<char> fileData;
    bool hasError = false;
    unz_file_info fileInfo = {0};
    char fileName[40] = {0};
 
    auto newLocal = fu->getWritablePath() + tmpName;
    //copy file to support android
 
    if(fu->isFileExist(newLocal)) {
        CCLOG("Remove file %s", newLocal.c_str());
        fu->removeFile(newLocal);
    }
 
    CCLOG("Copy %s to %s", zipFile.c_str(), newLocal.c_str());
    auto writeSuccess = fu->writeDataToFile(fu->getDataFromFile(zipFile), newLocal);
    if(!writeSuccess) {
        label->setString("Failed to copy zip file to writable path");
        return;
    }
 
    unzFile fp = unzOpen(newLocal.c_str());
    if(!fp) {
        CCLOG("Failed to open zip file %s", newLocal.c_str());
        label->setString("Failed to open zip file");
        return;
    }
 
    int err = unzGoToFirstFile(fp);
    if(err != UNZ_OK) {
        label->setString("Failed to local first file");
        goto close_and_return;
    }
 
    unzGetCurrentFileInfo(fp, &fileInfo, fileName, sizeof(fileName) -1, nullptr, 0, nullptr, 0 );
 
    CCASSERT(strncmp("10k.txt", fileName, 7) == 0, "file name should be 10k.txt");
 
    if(password.empty())
    {
        err = unzOpenCurrentFile(fp);
    }
    else
    {
        err = unzOpenCurrentFilePassword(fp, password.c_str());
    }
 
    if(err != UNZ_OK) {
        label->setString("failed to open zip file");
        goto close_and_return;
    }
 
    buff = new char[BUFF_SIZE];
 
    for(;;) {
        int retSize =  unzReadCurrentFile(fp, buff, BUFF_SIZE);
        if(retSize < 0) {
            hasError = true;
            break;
        }
        else if(retSize == 0) {
            break;
        }
 
        fileData.insert(fileData.end(), buff, buff + retSize);
    }
 
    delete[] buff;
 
    if(hasError) {
        label->setString("unzip error! read error!");
        goto close_and_return;
    }
 
    origContent = FileUtils::getInstance()->getDataFromFile(originFile);
 
    if(origContent.getSize() == fileData.size() &&
       memcmp(origContent.getBytes(), fileData.data(), fileData.size()) == 0) {
        label->setString("unzip ok!");
    } else {
        label->setString("unzip error! data mismatch!");
    }
close_and_return:
    unzClose(fp);
}
 
 
void UnZipNormalFile::onEnter() {
    TestCase::onEnter();
 
    const auto winSize = Director::getInstance()->getWinSize();
 
    Label *label = Label::createWithTTF("unziping file", "fonts/Marker Felt.ttf", 23);
    label->setPosition(winSize.width/2, winSize.height/2);
    addChild(label);
 
    unzipTest(label, "zip/10k.txt", "10-nopasswd.zip", "zip/10k-nopass.zip");
}
 
std::string UnZipNormalFile::subtitle() const {
    return "unzip without password";
}
 
void UnZipWithPassword::onEnter() {
    TestCase::onEnter();
 
    const auto winSize = Director::getInstance()->getWinSize();
 
    Label *label = Label::createWithTTF("unziping file", "fonts/Marker Felt.ttf", 23);
    label->setPosition(winSize.width/2, winSize.height/2);
    addChild(label);
 
    unzipTest(label, "zip/10k.txt", "10.zip", "zip/10k.zip", "123456");
}
 
std::string UnZipWithPassword::subtitle() const {
    return "unzip with password";
}