tests/manual/recovery_test.cpp - android_bootable_recovery - Gitiles

 /*
  * Copyright (C) 2016 The Android Open Source Project
  *
  * 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 <dirent.h>
 #include <string.h>
 #include <sys/types.h>
 #include <unistd.h>

 #include <string>
 #include <vector>

 #include <android-base/file.h>
 #include <android-base/strings.h>
 #include <android/log.h>
 #include <gtest/gtest.h>
 #include <png.h>
 #include <private/android_logger.h>

 #include "minui/minui.h"

 static const std::string myFilename = "/data/misc/recovery/inject.txt";
 static const std::string myContent = "Hello World\nWelcome to my recovery\n";
 static const std::string kLocale = "zu";
 static const std::string kResourceTestDir = "/data/nativetest/recovery/";

 // Failure is expected on systems that do not deliver either the
 // recovery-persist or recovery-refresh executables. Tests also require
 // a reboot sequence of test to truly verify.

 static ssize_t __pmsg_fn(log_id_t logId, char prio, const char *filename,
                          const char *buf, size_t len, void *arg) {
   EXPECT_EQ(LOG_ID_SYSTEM, logId);
   EXPECT_EQ(ANDROID_LOG_INFO, prio);
   EXPECT_NE(std::string::npos, myFilename.find(filename));
   EXPECT_EQ(myContent, buf);
   EXPECT_EQ(myContent.size(), len);
   EXPECT_EQ(nullptr, arg);
   return len;
 }

 // recovery.refresh - May fail. Requires recovery.inject, two reboots,
 //                    then expect success after second reboot.
 TEST(recovery, refresh) {
   EXPECT_EQ(0, access("/system/bin/recovery-refresh", F_OK));

   ssize_t ret = __android_log_pmsg_file_read(
       LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, nullptr);
   if (ret == -ENOENT) {
     EXPECT_LT(0, __android_log_pmsg_file_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
         myFilename.c_str(), myContent.c_str(), myContent.size()));

     fprintf(stderr, "injected test data, requires two intervening reboots "
         "to check for replication\n");
   }
   EXPECT_EQ(static_cast<ssize_t>(myContent.size()), ret);
 }

 // recovery.persist - Requires recovery.inject, then a reboot, then
 //                    expect success after for this test on that boot.
 TEST(recovery, persist) {
   EXPECT_EQ(0, access("/system/bin/recovery-persist", F_OK));

   ssize_t ret = __android_log_pmsg_file_read(
       LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, nullptr);
   if (ret == -ENOENT) {
     EXPECT_LT(0, __android_log_pmsg_file_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
         myFilename.c_str(), myContent.c_str(), myContent.size()));

     fprintf(stderr, "injected test data, requires intervening reboot "
         "to check for storage\n");
   }

   std::string buf;
   EXPECT_TRUE(android::base::ReadFileToString(myFilename, &buf));
   EXPECT_EQ(myContent, buf);
   if (access(myFilename.c_str(), F_OK) == 0) {
     fprintf(stderr, "Removing persistent test data, "
         "check if reconstructed on reboot\n");
   }
   EXPECT_EQ(0, unlink(myFilename.c_str()));
 }

 std::vector<std::string> image_dir {
   "res-mdpi/images/",
   "res-hdpi/images/",
   "res-xhdpi/images/",
   "res-xxhdpi/images/",
   "res-xxxhdpi/images/"
 };

 static int png_filter(const dirent* de) {
   if (de->d_type != DT_REG || !android::base::EndsWith(de->d_name, "_text.png")) {
     return 0;
   }
   return 1;
 }

 // Find out all png files to test under /data/nativetest/recovery/.
 static std::vector<std::string> add_files() {
   std::vector<std::string> files;
   for (const std::string& str : image_dir) {
     std::string dir_path = kResourceTestDir + str;
     dirent** namelist;
     int n = scandir(dir_path.c_str(), &namelist, png_filter, alphasort);
     if (n == -1) {
       printf("Failed to scan dir %s: %s\n", kResourceTestDir.c_str(), strerror(errno));
       return files;
     }
     if (n == 0) {
       printf("No file is added for test in %s\n", kResourceTestDir.c_str());
     }

     while (n--) {
       std::string file_path = dir_path + namelist[n]->d_name;
       files.push_back(file_path);
       free(namelist[n]);
     }
     free(namelist);
   }
   return files;
 }

 class ResourceTest : public testing::TestWithParam<std::string> {
  public:
   static std::vector<std::string> png_list;

   // Parse a png file and test if it's qualified for the background text image
   // under recovery.
   void SetUp() override {
     std::string file_path = GetParam();
     fp = fopen(file_path.c_str(), "rbe");
     ASSERT_NE(nullptr, fp);

     unsigned char header[8];
     size_t bytesRead = fread(header, 1, sizeof(header), fp);
     ASSERT_EQ(sizeof(header), bytesRead);
     ASSERT_EQ(0, png_sig_cmp(header, 0, sizeof(header)));

     png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
     ASSERT_NE(nullptr, png_ptr);

     info_ptr = png_create_info_struct(png_ptr);
     ASSERT_NE(nullptr, info_ptr);

     png_init_io(png_ptr, fp);
     png_set_sig_bytes(png_ptr, sizeof(header));
     png_read_info(png_ptr, info_ptr);

     int color_type, bit_depth;
     png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, nullptr, nullptr,
                  nullptr);
     ASSERT_EQ(PNG_COLOR_TYPE_GRAY, color_type) << "Recovery expects grayscale PNG file.";
     ASSERT_LT(static_cast<png_uint_32>(5), width);
     ASSERT_LT(static_cast<png_uint_32>(0), height);
     if (bit_depth <= 8) {
       // 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
       png_set_expand_gray_1_2_4_to_8(png_ptr);
     }

     png_byte channels = png_get_channels(png_ptr, info_ptr);
     ASSERT_EQ(1, channels) << "Recovery background text images expects 1-channel PNG file.";
   }

   void TearDown() override {
     if (png_ptr != nullptr && info_ptr != nullptr) {
       png_destroy_read_struct(&png_ptr, &info_ptr, nullptr);
     }

     if (fp != nullptr) {
       fclose(fp);
     }
   }

  protected:
   png_structp png_ptr;
   png_infop info_ptr;
   png_uint_32 width, height;

   FILE* fp;
 };

 std::vector<std::string> ResourceTest::png_list = add_files();

 TEST_P(ResourceTest, ValidateLocale) {
   std::vector<unsigned char> row(width);
   for (png_uint_32 y = 0; y < height; ++y) {
     png_read_row(png_ptr, row.data(), nullptr);
     int w = (row[1] << 8) | row[0];
     int h = (row[3] << 8) | row[2];
     int len = row[4];
     EXPECT_LT(0, w);
     EXPECT_LT(0, h);
     EXPECT_LT(0, len) << "Locale string should be non-empty.";
     EXPECT_NE(0, row[5]) << "Locale string is missing.";

     ASSERT_GT(height, y + 1 + h) << "Locale: " << kLocale << " is not found in the file.";
     char* loc = reinterpret_cast<char*>(&row[5]);
     if (matches_locale(loc, kLocale.c_str())) {
       EXPECT_TRUE(android::base::StartsWith(loc, kLocale.c_str()));
       break;
     } else {
       for (int i = 0; i < h; ++i, ++y) {
         png_read_row(png_ptr, row.data(), nullptr);
       }
     }
   }
 }

 INSTANTIATE_TEST_CASE_P(BackgroundTextValidation, ResourceTest,
                         ::testing::ValuesIn(ResourceTest::png_list.cbegin(),
                                             ResourceTest::png_list.cend()));
	/*
	* Copyright (C) 2016 The Android Open Source Project
	*
	* 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 <dirent.h>
	#include <string.h>
	#include <sys/types.h>
	#include <unistd.h>

	#include <string>
	#include <vector>

	#include <android-base/file.h>
	#include <android-base/strings.h>
	#include <android/log.h>
	#include <gtest/gtest.h>
	#include <png.h>
	#include <private/android_logger.h>

	#include "minui/minui.h"

	static const std::string myFilename = "/data/misc/recovery/inject.txt";
	static const std::string myContent = "Hello World\nWelcome to my recovery\n";
	static const std::string kLocale = "zu";
	static const std::string kResourceTestDir = "/data/nativetest/recovery/";

	// Failure is expected on systems that do not deliver either the
	// recovery-persist or recovery-refresh executables. Tests also require
	// a reboot sequence of test to truly verify.

	static ssize_t __pmsg_fn(log_id_t logId, char prio, const char *filename,
	const char buf, size_t len, void arg) {
	EXPECT_EQ(LOG_ID_SYSTEM, logId);
	EXPECT_EQ(ANDROID_LOG_INFO, prio);
	EXPECT_NE(std::string::npos, myFilename.find(filename));
	EXPECT_EQ(myContent, buf);
	EXPECT_EQ(myContent.size(), len);
	EXPECT_EQ(nullptr, arg);
	return len;
	}

	// recovery.refresh - May fail. Requires recovery.inject, two reboots,
	// then expect success after second reboot.
	TEST(recovery, refresh) {
	EXPECT_EQ(0, access("/system/bin/recovery-refresh", F_OK));

	ssize_t ret = __android_log_pmsg_file_read(
	LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, nullptr);
	if (ret == -ENOENT) {
	EXPECT_LT(0, __android_log_pmsg_file_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
	myFilename.c_str(), myContent.c_str(), myContent.size()));

	fprintf(stderr, "injected test data, requires two intervening reboots "
	"to check for replication\n");
	}
	EXPECT_EQ(static_cast<ssize_t>(myContent.size()), ret);
	}

	// recovery.persist - Requires recovery.inject, then a reboot, then
	// expect success after for this test on that boot.
	TEST(recovery, persist) {
	EXPECT_EQ(0, access("/system/bin/recovery-persist", F_OK));

	ssize_t ret = __android_log_pmsg_file_read(
	LOG_ID_SYSTEM, ANDROID_LOG_INFO, "recovery/", __pmsg_fn, nullptr);
	if (ret == -ENOENT) {
	EXPECT_LT(0, __android_log_pmsg_file_write(LOG_ID_SYSTEM, ANDROID_LOG_INFO,
	myFilename.c_str(), myContent.c_str(), myContent.size()));

	fprintf(stderr, "injected test data, requires intervening reboot "
	"to check for storage\n");
	}

	std::string buf;
	EXPECT_TRUE(android::base::ReadFileToString(myFilename, &buf));
	EXPECT_EQ(myContent, buf);
	if (access(myFilename.c_str(), F_OK) == 0) {
	fprintf(stderr, "Removing persistent test data, "
	"check if reconstructed on reboot\n");
	}
	EXPECT_EQ(0, unlink(myFilename.c_str()));
	}

	std::vector<std::string> image_dir {
	"res-mdpi/images/",
	"res-hdpi/images/",
	"res-xhdpi/images/",
	"res-xxhdpi/images/",
	"res-xxxhdpi/images/"
	};

	static int png_filter(const dirent* de) {
	if (de->d_type != DT_REG \|\| !android::base::EndsWith(de->d_name, "_text.png")) {
	return 0;
	}
	return 1;
	}

	// Find out all png files to test under /data/nativetest/recovery/.
	static std::vector<std::string> add_files() {
	std::vector<std::string> files;
	for (const std::string& str : image_dir) {
	std::string dir_path = kResourceTestDir + str;
	dirent** namelist;
	int n = scandir(dir_path.c_str(), &namelist, png_filter, alphasort);
	if (n == -1) {
	printf("Failed to scan dir %s: %s\n", kResourceTestDir.c_str(), strerror(errno));
	return files;
	}
	if (n == 0) {
	printf("No file is added for test in %s\n", kResourceTestDir.c_str());
	}

	while (n--) {
	std::string file_path = dir_path + namelist[n]->d_name;
	files.push_back(file_path);
	free(namelist[n]);
	}
	free(namelist);
	}
	return files;
	}

	class ResourceTest : public testing::TestWithParam<std::string> {
	public:
	static std::vector<std::string> png_list;

	// Parse a png file and test if it's qualified for the background text image
	// under recovery.
	void SetUp() override {
	std::string file_path = GetParam();
	fp = fopen(file_path.c_str(), "rbe");
	ASSERT_NE(nullptr, fp);

	unsigned char header[8];
	size_t bytesRead = fread(header, 1, sizeof(header), fp);
	ASSERT_EQ(sizeof(header), bytesRead);
	ASSERT_EQ(0, png_sig_cmp(header, 0, sizeof(header)));

	png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, nullptr, nullptr, nullptr);
	ASSERT_NE(nullptr, png_ptr);

	info_ptr = png_create_info_struct(png_ptr);
	ASSERT_NE(nullptr, info_ptr);

	png_init_io(png_ptr, fp);
	png_set_sig_bytes(png_ptr, sizeof(header));
	png_read_info(png_ptr, info_ptr);

	int color_type, bit_depth;
	png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, nullptr, nullptr,
	nullptr);
	ASSERT_EQ(PNG_COLOR_TYPE_GRAY, color_type) << "Recovery expects grayscale PNG file.";
	ASSERT_LT(static_cast<png_uint_32>(5), width);
	ASSERT_LT(static_cast<png_uint_32>(0), height);
	if (bit_depth <= 8) {
	// 1-, 2-, 4-, or 8-bit gray images: expand to 8-bit gray.
	png_set_expand_gray_1_2_4_to_8(png_ptr);
	}

	png_byte channels = png_get_channels(png_ptr, info_ptr);
	ASSERT_EQ(1, channels) << "Recovery background text images expects 1-channel PNG file.";
	}

	void TearDown() override {
	if (png_ptr != nullptr && info_ptr != nullptr) {
	png_destroy_read_struct(&png_ptr, &info_ptr, nullptr);
	}

	if (fp != nullptr) {
	fclose(fp);
	}
	}

	protected:
	png_structp png_ptr;
	png_infop info_ptr;
	png_uint_32 width, height;

	FILE* fp;
	};

	std::vector<std::string> ResourceTest::png_list = add_files();

	TEST_P(ResourceTest, ValidateLocale) {
	std::vector<unsigned char> row(width);
	for (png_uint_32 y = 0; y < height; ++y) {
	png_read_row(png_ptr, row.data(), nullptr);
	int w = (row[1] << 8) \| row[0];
	int h = (row[3] << 8) \| row[2];
	int len = row[4];
	EXPECT_LT(0, w);
	EXPECT_LT(0, h);
	EXPECT_LT(0, len) << "Locale string should be non-empty.";
	EXPECT_NE(0, row[5]) << "Locale string is missing.";

	ASSERT_GT(height, y + 1 + h) << "Locale: " << kLocale << " is not found in the file.";
	char* loc = reinterpret_cast<char*>(&row[5]);
	if (matches_locale(loc, kLocale.c_str())) {
	EXPECT_TRUE(android::base::StartsWith(loc, kLocale.c_str()));
	break;
	} else {
	for (int i = 0; i < h; ++i, ++y) {
	png_read_row(png_ptr, row.data(), nullptr);
	}
	}
	}
	}

	INSTANTIATE_TEST_CASE_P(BackgroundTextValidation, ResourceTest,
	::testing::ValuesIn(ResourceTest::png_list.cbegin(),
	ResourceTest::png_list.cend()));