/* * 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(), "rb"); 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()));