Merge "tests: Split unit tests out of component/applypatch_test.cpp."
am: cf1f9bdb12
Change-Id: I757522af647cef17e7e240fc0b22258788e4c634
diff --git a/tests/Android.mk b/tests/Android.mk
index d8cbf1c..daec11f 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -16,12 +16,34 @@
LOCAL_PATH := $(call my-dir)
+# libapplypatch, libapplypatch_modes, libimgdiff, libimgpatch.
+libapplypatch_static_libraries := \
+ libapplypatch_modes \
+ libapplypatch \
+ libedify \
+ libimgdiff \
+ libimgpatch \
+ libotafault \
+ libotautil \
+ libbsdiff \
+ libbspatch \
+ libdivsufsort \
+ libdivsufsort64 \
+ libutils \
+ libbase \
+ libbrotli \
+ libbz \
+ libcrypto \
+ libz \
+ libziparchive \
+
# Unit tests
include $(CLEAR_VARS)
LOCAL_CFLAGS := -Wall -Werror
LOCAL_MODULE := recovery_unit_test
LOCAL_COMPATIBILITY_SUITE := device-tests
LOCAL_STATIC_LIBRARIES := \
+ $(libapplypatch_static_libraries) \
libverifier \
librecovery_ui \
libminui \
@@ -37,6 +59,7 @@
libBionicGtestMain
LOCAL_SRC_FILES := \
+ unit/applypatch_test.cpp \
unit/asn1_decoder_test.cpp \
unit/commands_test.cpp \
unit/dirutil_test.cpp \
@@ -77,7 +100,7 @@
LOCAL_COMPATIBILITY_SUITE := device-tests
LOCAL_C_INCLUDES := bootable/recovery
LOCAL_SRC_FILES := \
- component/applypatch_test.cpp \
+ component/applypatch_modes_test.cpp \
component/bootloader_message_test.cpp \
component/edify_test.cpp \
component/imgdiff_test.cpp \
@@ -92,26 +115,6 @@
LOCAL_SHARED_LIBRARIES := \
libhidlbase
-# libapplypatch, libapplypatch_modes, libimgdiff, libimgpatch.
-libapplypatch_static_libraries := \
- libapplypatch_modes \
- libapplypatch \
- libedify \
- libimgdiff \
- libimgpatch \
- libotafault \
- libotautil \
- libbsdiff \
- libbspatch \
- libdivsufsort \
- libdivsufsort64 \
- libutils \
- libbase \
- libbz \
- libcrypto \
- libz \
- libziparchive \
-
tune2fs_static_libraries := \
libext2_com_err \
libext2_blkid \
diff --git a/tests/component/applypatch_modes_test.cpp b/tests/component/applypatch_modes_test.cpp
new file mode 100644
index 0000000..b0a52b1
--- /dev/null
+++ b/tests/component/applypatch_modes_test.cpp
@@ -0,0 +1,347 @@
+/*
+ * 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 agree 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 <stdio.h>
+#include <stdlib.h>
+
+#include <string>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <android-base/stringprintf.h>
+#include <android-base/test_utils.h>
+#include <bsdiff/bsdiff.h>
+#include <gtest/gtest.h>
+#include <openssl/sha.h>
+#include <zlib.h>
+
+#include "applypatch/applypatch_modes.h"
+#include "common/test_constants.h"
+#include "otautil/paths.h"
+#include "otautil/print_sha1.h"
+
+using namespace std::string_literals;
+
+// TODO(b/67849209) Remove after debug the flakiness.
+static void DecompressAndDumpRecoveryImage(const std::string& image_path) {
+ // Expected recovery_image structure
+ // chunk normal: 45066 bytes
+ // chunk deflate: 479442 bytes
+ // chunk normal: 5199 bytes
+ std::string recovery_content;
+ ASSERT_TRUE(android::base::ReadFileToString(image_path, &recovery_content));
+ ASSERT_GT(recovery_content.size(), 45066 + 5199);
+
+ z_stream strm = {};
+ strm.avail_in = recovery_content.size() - 45066 - 5199;
+ strm.next_in =
+ const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(recovery_content.data())) + 45066;
+
+ ASSERT_EQ(Z_OK, inflateInit2(&strm, -15));
+
+ constexpr unsigned int BUFFER_SIZE = 32768;
+ std::vector<uint8_t> uncompressed_data(BUFFER_SIZE);
+ size_t uncompressed_length = 0;
+ SHA_CTX ctx;
+ SHA1_Init(&ctx);
+ int ret;
+ do {
+ strm.avail_out = BUFFER_SIZE;
+ strm.next_out = uncompressed_data.data();
+
+ ret = inflate(&strm, Z_NO_FLUSH);
+ ASSERT_GE(ret, 0);
+
+ SHA1_Update(&ctx, uncompressed_data.data(), BUFFER_SIZE - strm.avail_out);
+ uncompressed_length += BUFFER_SIZE - strm.avail_out;
+ } while (ret != Z_STREAM_END);
+ inflateEnd(&strm);
+
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1_Final(digest, &ctx);
+ GTEST_LOG_(INFO) << "uncompressed length " << uncompressed_length
+ << " sha1: " << short_sha1(digest);
+}
+
+static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
+ ASSERT_TRUE(sha1 != nullptr);
+
+ std::string data;
+ ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
+
+ if (fsize != nullptr) {
+ *fsize = data.size();
+ }
+
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
+ *sha1 = print_sha1(digest);
+}
+
+static void test_logger(android::base::LogId /* id */, android::base::LogSeverity severity,
+ const char* /* tag */, const char* /* file */, unsigned int /* line */,
+ const char* message) {
+ if (severity >= android::base::GetMinimumLogSeverity()) {
+ fprintf(stdout, "%s\n", message);
+ }
+}
+
+class ApplyPatchModesTest : public ::testing::Test {
+ protected:
+ void SetUp() override {
+ Paths::Get().set_cache_temp_source(cache_source.path);
+ android::base::InitLogging(nullptr, &test_logger);
+ android::base::SetMinimumLogSeverity(android::base::LogSeverity::DEBUG);
+ }
+
+ TemporaryFile cache_source;
+};
+
+TEST_F(ApplyPatchModesTest, InvalidArgs) {
+ // At least two args (including the filename).
+ ASSERT_EQ(2, applypatch_modes(1, (const char* []){ "applypatch" }));
+
+ // Unrecognized args.
+ ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-x" }));
+}
+
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTarget) {
+ std::string boot_img = from_testdata_base("boot.img");
+ size_t boot_img_size;
+ std::string boot_img_sha1;
+ sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img = from_testdata_base("recovery.img");
+ size_t recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ std::string bonus_file = from_testdata_base("bonus.file");
+
+ // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string patch_arg = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
+ std::vector<const char*> args = { "applypatch",
+ "-b",
+ bonus_file.c_str(),
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+ ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
+}
+
+// Tests patching the EMMC target without a separate bonus file (i.e. recovery-from-boot patch has
+// everything).
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithoutBonusFile) {
+ std::string boot_img = from_testdata_base("boot.img");
+ size_t boot_img_size;
+ std::string boot_img_sha1;
+ sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img = from_testdata_base("recovery.img");
+ size_t recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string patch_arg =
+ boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
+ std::vector<const char*> args = { "applypatch",
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+
+ if (applypatch_modes(args.size(), args.data()) != 0) {
+ DecompressAndDumpRecoveryImage(tgt_file.path);
+ FAIL();
+ }
+}
+
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithMultiplePatches) {
+ std::string boot_img = from_testdata_base("boot.img");
+ size_t boot_img_size;
+ std::string boot_img_sha1;
+ sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img = from_testdata_base("recovery.img");
+ size_t recovery_img_size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+
+ std::string bonus_file = from_testdata_base("bonus.file");
+
+ // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> \
+ // <src-sha1-fake1>:<patch1> <src-sha1>:<patch2> <src-sha1-fake2>:<patch3>
+ std::string src_file_arg =
+ "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string bad_sha1_a = android::base::StringPrintf("%040x", rand());
+ std::string bad_sha1_b = android::base::StringPrintf("%040x", rand());
+ std::string patch1 = bad_sha1_a + ":" + from_testdata_base("recovery-from-boot.p");
+ std::string patch2 = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
+ std::string patch3 = bad_sha1_b + ":" + from_testdata_base("recovery-from-boot.p");
+ std::vector<const char*> args = { "applypatch",
+ "-b",
+ bonus_file.c_str(),
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch1.c_str(),
+ patch2.c_str(),
+ patch3.c_str() };
+ // TODO(b/67849209): Remove after addressing the flakiness.
+ printf("Calling applypatch_modes with the following args:\n");
+ for (const auto& arg : args) {
+ printf(" %s\n", arg);
+ }
+
+ if (applypatch_modes(args.size(), args.data()) != 0) {
+ DecompressAndDumpRecoveryImage(tgt_file.path);
+ FAIL();
+ }
+}
+
+// Ensures that applypatch works with a bsdiff based recovery-from-boot.p.
+TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithBsdiffPatch) {
+ std::string boot_img_file = from_testdata_base("boot.img");
+ std::string boot_img_sha1;
+ size_t boot_img_size;
+ sha1sum(boot_img_file, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img_file = from_testdata_base("recovery.img");
+ std::string recovery_img_sha1;
+ size_t recovery_img_size;
+ sha1sum(recovery_img_file, &recovery_img_sha1, &recovery_img_size);
+
+ // Generate the bsdiff patch of recovery-from-boot.p.
+ std::string src_content;
+ ASSERT_TRUE(android::base::ReadFileToString(boot_img_file, &src_content));
+
+ std::string tgt_content;
+ ASSERT_TRUE(android::base::ReadFileToString(recovery_img_file, &tgt_content));
+
+ TemporaryFile patch_file;
+ ASSERT_EQ(0,
+ bsdiff::bsdiff(reinterpret_cast<const uint8_t*>(src_content.data()), src_content.size(),
+ reinterpret_cast<const uint8_t*>(tgt_content.data()), tgt_content.size(),
+ patch_file.path, nullptr));
+
+ // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
+ std::string src_file_arg =
+ "EMMC:" + boot_img_file + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
+ TemporaryFile tgt_file;
+ std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
+ std::string recovery_img_size_arg = std::to_string(recovery_img_size);
+ std::string patch_arg = boot_img_sha1 + ":" + patch_file.path;
+ std::vector<const char*> args = { "applypatch",
+ src_file_arg.c_str(),
+ tgt_file_arg.c_str(),
+ recovery_img_sha1.c_str(),
+ recovery_img_size_arg.c_str(),
+ patch_arg.c_str() };
+ ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
+
+ // Double check the patched recovery image.
+ std::string tgt_file_sha1;
+ size_t tgt_file_size;
+ sha1sum(tgt_file.path, &tgt_file_sha1, &tgt_file_size);
+ ASSERT_EQ(recovery_img_size, tgt_file_size);
+ ASSERT_EQ(recovery_img_sha1, tgt_file_sha1);
+}
+
+TEST_F(ApplyPatchModesTest, PatchModeInvalidArgs) {
+ // Invalid bonus file.
+ ASSERT_NE(0, applypatch_modes(3, (const char* []){ "applypatch", "-b", "/doesntexist" }));
+
+ std::string bonus_file = from_testdata_base("bonus.file");
+ // With bonus file, but missing args.
+ ASSERT_EQ(2, applypatch_modes(3, (const char* []){ "applypatch", "-b", bonus_file.c_str() }));
+
+ std::string boot_img = from_testdata_base("boot.img");
+ size_t boot_img_size;
+ std::string boot_img_sha1;
+ sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
+
+ std::string recovery_img = from_testdata_base("recovery.img");
+ size_t size;
+ std::string recovery_img_sha1;
+ sha1sum(recovery_img, &recovery_img_sha1, &size);
+ std::string recovery_img_size = std::to_string(size);
+
+ // Bonus file is not supported in flash mode.
+ // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size>
+ TemporaryFile tmp4;
+ std::vector<const char*> args4 = {
+ "applypatch",
+ "-b",
+ bonus_file.c_str(),
+ boot_img.c_str(),
+ tmp4.path,
+ recovery_img_sha1.c_str(),
+ recovery_img_size.c_str(),
+ };
+ ASSERT_NE(0, applypatch_modes(args4.size(), args4.data()));
+
+ // Failed to parse patch args.
+ TemporaryFile tmp5;
+ std::string bad_arg1 =
+ "invalid-sha1:filename" + from_testdata_base("recovery-from-boot-with-bonus.p");
+ std::vector<const char*> args5 = {
+ "applypatch",
+ boot_img.c_str(),
+ tmp5.path,
+ recovery_img_sha1.c_str(),
+ recovery_img_size.c_str(),
+ bad_arg1.c_str(),
+ };
+ ASSERT_NE(0, applypatch_modes(args5.size(), args5.data()));
+
+ // Target size cannot be zero.
+ TemporaryFile tmp6;
+ std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
+ std::vector<const char*> args6 = {
+ "applypatch", boot_img.c_str(), tmp6.path, recovery_img_sha1.c_str(),
+ "0", // target size
+ patch.c_str(),
+ };
+ ASSERT_NE(0, applypatch_modes(args6.size(), args6.data()));
+}
+
+TEST_F(ApplyPatchModesTest, CheckModeInvalidArgs) {
+ // Insufficient args.
+ ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-c" }));
+}
+
+TEST_F(ApplyPatchModesTest, ShowLicenses) {
+ ASSERT_EQ(0, applypatch_modes(2, (const char* []){ "applypatch", "-l" }));
+}
diff --git a/tests/component/applypatch_test.cpp b/tests/component/applypatch_test.cpp
deleted file mode 100644
index 4e44309..0000000
--- a/tests/component/applypatch_test.cpp
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- * 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 agree 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 <fcntl.h>
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <sys/types.h>
-#include <time.h>
-
-#include <algorithm>
-#include <memory>
-#include <string>
-#include <vector>
-
-#include <android-base/file.h>
-#include <android-base/logging.h>
-#include <android-base/stringprintf.h>
-#include <android-base/test_utils.h>
-#include <android-base/unique_fd.h>
-#include <bsdiff/bsdiff.h>
-#include <gtest/gtest.h>
-#include <openssl/sha.h>
-#include <zlib.h>
-
-#include "applypatch/applypatch.h"
-#include "applypatch/applypatch_modes.h"
-#include "common/test_constants.h"
-#include "otautil/paths.h"
-#include "otautil/print_sha1.h"
-
-using namespace std::string_literals;
-
-// TODO(b/67849209) Remove after debug the flakiness.
-static void DecompressAndDumpRecoveryImage(const std::string& image_path) {
- // Expected recovery_image structure
- // chunk normal: 45066 bytes
- // chunk deflate: 479442 bytes
- // chunk normal: 5199 bytes
- std::string recovery_content;
- ASSERT_TRUE(android::base::ReadFileToString(image_path, &recovery_content));
- ASSERT_GT(recovery_content.size(), 45066 + 5199);
-
- z_stream strm = {};
- strm.avail_in = recovery_content.size() - 45066 - 5199;
- strm.next_in =
- const_cast<uint8_t*>(reinterpret_cast<const uint8_t*>(recovery_content.data())) + 45066;
-
- ASSERT_EQ(Z_OK, inflateInit2(&strm, -15));
-
- constexpr unsigned int BUFFER_SIZE = 32768;
- std::vector<uint8_t> uncompressed_data(BUFFER_SIZE);
- size_t uncompressed_length = 0;
- SHA_CTX ctx;
- SHA1_Init(&ctx);
- int ret;
- do {
- strm.avail_out = BUFFER_SIZE;
- strm.next_out = uncompressed_data.data();
-
- ret = inflate(&strm, Z_NO_FLUSH);
- ASSERT_GE(ret, 0);
-
- SHA1_Update(&ctx, uncompressed_data.data(), BUFFER_SIZE - strm.avail_out);
- uncompressed_length += BUFFER_SIZE - strm.avail_out;
- } while (ret != Z_STREAM_END);
- inflateEnd(&strm);
-
- uint8_t digest[SHA_DIGEST_LENGTH];
- SHA1_Final(digest, &ctx);
- GTEST_LOG_(INFO) << "uncompressed length " << uncompressed_length
- << " sha1: " << short_sha1(digest);
-}
-
-static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
- ASSERT_TRUE(sha1 != nullptr);
-
- std::string data;
- ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
-
- if (fsize != nullptr) {
- *fsize = data.size();
- }
-
- uint8_t digest[SHA_DIGEST_LENGTH];
- SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
- *sha1 = print_sha1(digest);
-}
-
-static void mangle_file(const std::string& fname) {
- std::string content(1024, '\0');
- for (size_t i = 0; i < 1024; i++) {
- content[i] = rand() % 256;
- }
- ASSERT_TRUE(android::base::WriteStringToFile(content, fname));
-}
-
-static void test_logger(android::base::LogId /* id */, android::base::LogSeverity severity,
- const char* /* tag */, const char* /* file */, unsigned int /* line */,
- const char* message) {
- if (severity >= android::base::GetMinimumLogSeverity()) {
- fprintf(stdout, "%s\n", message);
- }
-}
-
-class ApplyPatchTest : public ::testing::Test {
- public:
- virtual void SetUp() override {
- // set up files
- old_file = from_testdata_base("old.file");
- new_file = from_testdata_base("new.file");
- nonexistent_file = from_testdata_base("nonexistent.file");
-
- // set up SHA constants
- sha1sum(old_file, &old_sha1, &old_size);
- sha1sum(new_file, &new_sha1, &new_size);
- srand(time(nullptr));
- bad_sha1_a = android::base::StringPrintf("%040x", rand());
- bad_sha1_b = android::base::StringPrintf("%040x", rand());
- }
-
- std::string old_file;
- std::string new_file;
- std::string nonexistent_file;
-
- std::string old_sha1;
- std::string new_sha1;
- std::string bad_sha1_a;
- std::string bad_sha1_b;
-
- size_t old_size;
- size_t new_size;
-};
-
-class ApplyPatchCacheTest : public ApplyPatchTest {
- protected:
- void SetUp() override {
- ApplyPatchTest::SetUp();
- Paths::Get().set_cache_temp_source(old_file);
- }
-};
-
-class ApplyPatchModesTest : public ::testing::Test {
- protected:
- void SetUp() override {
- Paths::Get().set_cache_temp_source(cache_source.path);
- android::base::InitLogging(nullptr, &test_logger);
- android::base::SetMinimumLogSeverity(android::base::LogSeverity::DEBUG);
- }
-
- TemporaryFile cache_source;
-};
-
-class FreeCacheTest : public ::testing::Test {
- protected:
- static constexpr size_t PARTITION_SIZE = 4096 * 10;
-
- // Returns a sorted list of files in |dirname|.
- static std::vector<std::string> FindFilesInDir(const std::string& dirname) {
- std::vector<std::string> file_list;
-
- std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dirname.c_str()), closedir);
- struct dirent* de;
- while ((de = readdir(d.get())) != 0) {
- std::string path = dirname + "/" + de->d_name;
-
- struct stat st;
- if (stat(path.c_str(), &st) == 0 && S_ISREG(st.st_mode)) {
- file_list.emplace_back(de->d_name);
- }
- }
-
- std::sort(file_list.begin(), file_list.end());
- return file_list;
- }
-
- static void AddFilesToDir(const std::string& dir, const std::vector<std::string>& files) {
- std::string zeros(4096, 0);
- for (const auto& file : files) {
- std::string path = dir + "/" + file;
- ASSERT_TRUE(android::base::WriteStringToFile(zeros, path));
- }
- }
-
- void SetUp() override {
- Paths::Get().set_cache_log_directory(mock_log_dir.path);
- }
-
- // A mock method to calculate the free space. It assumes the partition has a total size of 40960
- // bytes and all files are 4096 bytes in size.
- size_t MockFreeSpaceChecker(const std::string& dirname) {
- std::vector<std::string> files = FindFilesInDir(dirname);
- return PARTITION_SIZE - 4096 * files.size();
- }
-
- TemporaryDir mock_cache;
- TemporaryDir mock_log_dir;
-};
-
-TEST_F(ApplyPatchTest, CheckModeSkip) {
- std::vector<std::string> sha1s;
- ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
-}
-
-TEST_F(ApplyPatchTest, CheckModeSingle) {
- std::vector<std::string> sha1s = { old_sha1 };
- ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
-}
-
-TEST_F(ApplyPatchTest, CheckModeMultiple) {
- std::vector<std::string> sha1s = { bad_sha1_a, old_sha1, bad_sha1_b };
- ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
-}
-
-TEST_F(ApplyPatchTest, CheckModeFailure) {
- std::vector<std::string> sha1s = { bad_sha1_a, bad_sha1_b };
- ASSERT_NE(0, applypatch_check(&old_file[0], sha1s));
-}
-
-TEST_F(ApplyPatchTest, CheckModeEmmcTarget) {
- // EMMC:old_file:size:sha1 should pass the check.
- std::string src_file =
- "EMMC:" + old_file + ":" + std::to_string(old_size) + ":" + old_sha1;
- std::vector<std::string> sha1s;
- ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
-
- // EMMC:old_file:(size-1):sha1:(size+1):sha1 should fail the check.
- src_file = "EMMC:" + old_file + ":" + std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size + 1) + ":" + old_sha1;
- ASSERT_EQ(1, applypatch_check(src_file.c_str(), sha1s));
-
- // EMMC:old_file:(size-1):sha1:size:sha1:(size+1):sha1 should pass the check.
- src_file = "EMMC:" + old_file + ":" +
- std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size) + ":" + old_sha1 + ":" +
- std::to_string(old_size + 1) + ":" + old_sha1;
- ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
-
- // EMMC:old_file:(size+1):sha1:(size-1):sha1:size:sha1 should pass the check.
- src_file = "EMMC:" + old_file + ":" +
- std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size) + ":" + old_sha1;
- ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
-
- // EMMC:new_file:(size+1):old_sha1:(size-1):old_sha1:size:old_sha1:size:new_sha1
- // should pass the check.
- src_file = "EMMC:" + new_file + ":" +
- std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
- std::to_string(old_size) + ":" + old_sha1 + ":" +
- std::to_string(new_size) + ":" + new_sha1;
- ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
-}
-
-TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceSingle) {
- TemporaryFile temp_file;
- mangle_file(temp_file.path);
- std::vector<std::string> sha1s_single = { old_sha1 };
- ASSERT_EQ(0, applypatch_check(temp_file.path, sha1s_single));
- ASSERT_EQ(0, applypatch_check(nonexistent_file.c_str(), sha1s_single));
-}
-
-TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceMultiple) {
- TemporaryFile temp_file;
- mangle_file(temp_file.path);
- std::vector<std::string> sha1s_multiple = { bad_sha1_a, old_sha1, bad_sha1_b };
- ASSERT_EQ(0, applypatch_check(temp_file.path, sha1s_multiple));
- ASSERT_EQ(0, applypatch_check(nonexistent_file.c_str(), sha1s_multiple));
-}
-
-TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceFailure) {
- TemporaryFile temp_file;
- mangle_file(temp_file.path);
- std::vector<std::string> sha1s_failure = { bad_sha1_a, bad_sha1_b };
- ASSERT_NE(0, applypatch_check(temp_file.path, sha1s_failure));
- ASSERT_NE(0, applypatch_check(nonexistent_file.c_str(), sha1s_failure));
-}
-
-TEST_F(ApplyPatchModesTest, InvalidArgs) {
- // At least two args (including the filename).
- ASSERT_EQ(2, applypatch_modes(1, (const char* []){ "applypatch" }));
-
- // Unrecognized args.
- ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-x" }));
-}
-
-TEST_F(ApplyPatchModesTest, PatchModeEmmcTarget) {
- std::string boot_img = from_testdata_base("boot.img");
- size_t boot_img_size;
- std::string boot_img_sha1;
- sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
-
- std::string recovery_img = from_testdata_base("recovery.img");
- size_t recovery_img_size;
- std::string recovery_img_sha1;
- sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
- std::string recovery_img_size_arg = std::to_string(recovery_img_size);
-
- std::string bonus_file = from_testdata_base("bonus.file");
-
- // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
- std::string src_file_arg =
- "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
- TemporaryFile tgt_file;
- std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
- std::string patch_arg = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
- std::vector<const char*> args = { "applypatch",
- "-b",
- bonus_file.c_str(),
- src_file_arg.c_str(),
- tgt_file_arg.c_str(),
- recovery_img_sha1.c_str(),
- recovery_img_size_arg.c_str(),
- patch_arg.c_str() };
- ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
-}
-
-// Tests patching the EMMC target without a separate bonus file (i.e. recovery-from-boot patch has
-// everything).
-TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithoutBonusFile) {
- std::string boot_img = from_testdata_base("boot.img");
- size_t boot_img_size;
- std::string boot_img_sha1;
- sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
-
- std::string recovery_img = from_testdata_base("recovery.img");
- size_t recovery_img_size;
- std::string recovery_img_sha1;
- sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
- std::string recovery_img_size_arg = std::to_string(recovery_img_size);
-
- // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
- std::string src_file_arg =
- "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
- TemporaryFile tgt_file;
- std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
- std::string patch_arg =
- boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
- std::vector<const char*> args = { "applypatch",
- src_file_arg.c_str(),
- tgt_file_arg.c_str(),
- recovery_img_sha1.c_str(),
- recovery_img_size_arg.c_str(),
- patch_arg.c_str() };
-
- if (applypatch_modes(args.size(), args.data()) != 0) {
- DecompressAndDumpRecoveryImage(tgt_file.path);
- FAIL();
- }
-}
-
-TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithMultiplePatches) {
- std::string boot_img = from_testdata_base("boot.img");
- size_t boot_img_size;
- std::string boot_img_sha1;
- sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
-
- std::string recovery_img = from_testdata_base("recovery.img");
- size_t recovery_img_size;
- std::string recovery_img_sha1;
- sha1sum(recovery_img, &recovery_img_sha1, &recovery_img_size);
- std::string recovery_img_size_arg = std::to_string(recovery_img_size);
-
- std::string bonus_file = from_testdata_base("bonus.file");
-
- // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size> \
- // <src-sha1-fake1>:<patch1> <src-sha1>:<patch2> <src-sha1-fake2>:<patch3>
- std::string src_file_arg =
- "EMMC:" + boot_img + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
- TemporaryFile tgt_file;
- std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
- std::string bad_sha1_a = android::base::StringPrintf("%040x", rand());
- std::string bad_sha1_b = android::base::StringPrintf("%040x", rand());
- std::string patch1 = bad_sha1_a + ":" + from_testdata_base("recovery-from-boot.p");
- std::string patch2 = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot.p");
- std::string patch3 = bad_sha1_b + ":" + from_testdata_base("recovery-from-boot.p");
- std::vector<const char*> args = { "applypatch",
- "-b",
- bonus_file.c_str(),
- src_file_arg.c_str(),
- tgt_file_arg.c_str(),
- recovery_img_sha1.c_str(),
- recovery_img_size_arg.c_str(),
- patch1.c_str(),
- patch2.c_str(),
- patch3.c_str() };
- // TODO(b/67849209): Remove after addressing the flakiness.
- printf("Calling applypatch_modes with the following args:\n");
- for (const auto& arg : args) {
- printf(" %s\n", arg);
- }
-
- if (applypatch_modes(args.size(), args.data()) != 0) {
- DecompressAndDumpRecoveryImage(tgt_file.path);
- FAIL();
- }
-}
-
-// Ensures that applypatch works with a bsdiff based recovery-from-boot.p.
-TEST_F(ApplyPatchModesTest, PatchModeEmmcTargetWithBsdiffPatch) {
- std::string boot_img_file = from_testdata_base("boot.img");
- std::string boot_img_sha1;
- size_t boot_img_size;
- sha1sum(boot_img_file, &boot_img_sha1, &boot_img_size);
-
- std::string recovery_img_file = from_testdata_base("recovery.img");
- std::string recovery_img_sha1;
- size_t recovery_img_size;
- sha1sum(recovery_img_file, &recovery_img_sha1, &recovery_img_size);
-
- // Generate the bsdiff patch of recovery-from-boot.p.
- std::string src_content;
- ASSERT_TRUE(android::base::ReadFileToString(boot_img_file, &src_content));
-
- std::string tgt_content;
- ASSERT_TRUE(android::base::ReadFileToString(recovery_img_file, &tgt_content));
-
- TemporaryFile patch_file;
- ASSERT_EQ(0,
- bsdiff::bsdiff(reinterpret_cast<const uint8_t*>(src_content.data()), src_content.size(),
- reinterpret_cast<const uint8_t*>(tgt_content.data()), tgt_content.size(),
- patch_file.path, nullptr));
-
- // applypatch <src-file> <tgt-file> <tgt-sha1> <tgt-size> <src-sha1>:<patch>
- std::string src_file_arg =
- "EMMC:" + boot_img_file + ":" + std::to_string(boot_img_size) + ":" + boot_img_sha1;
- TemporaryFile tgt_file;
- std::string tgt_file_arg = "EMMC:"s + tgt_file.path;
- std::string recovery_img_size_arg = std::to_string(recovery_img_size);
- std::string patch_arg = boot_img_sha1 + ":" + patch_file.path;
- std::vector<const char*> args = { "applypatch",
- src_file_arg.c_str(),
- tgt_file_arg.c_str(),
- recovery_img_sha1.c_str(),
- recovery_img_size_arg.c_str(),
- patch_arg.c_str() };
- ASSERT_EQ(0, applypatch_modes(args.size(), args.data()));
-
- // Double check the patched recovery image.
- std::string tgt_file_sha1;
- size_t tgt_file_size;
- sha1sum(tgt_file.path, &tgt_file_sha1, &tgt_file_size);
- ASSERT_EQ(recovery_img_size, tgt_file_size);
- ASSERT_EQ(recovery_img_sha1, tgt_file_sha1);
-}
-
-TEST_F(ApplyPatchModesTest, PatchModeInvalidArgs) {
- // Invalid bonus file.
- ASSERT_NE(0, applypatch_modes(3, (const char* []){ "applypatch", "-b", "/doesntexist" }));
-
- std::string bonus_file = from_testdata_base("bonus.file");
- // With bonus file, but missing args.
- ASSERT_EQ(2, applypatch_modes(3, (const char* []){ "applypatch", "-b", bonus_file.c_str() }));
-
- std::string boot_img = from_testdata_base("boot.img");
- size_t boot_img_size;
- std::string boot_img_sha1;
- sha1sum(boot_img, &boot_img_sha1, &boot_img_size);
-
- std::string recovery_img = from_testdata_base("recovery.img");
- size_t size;
- std::string recovery_img_sha1;
- sha1sum(recovery_img, &recovery_img_sha1, &size);
- std::string recovery_img_size = std::to_string(size);
-
- // Bonus file is not supported in flash mode.
- // applypatch -b <bonus-file> <src-file> <tgt-file> <tgt-sha1> <tgt-size>
- TemporaryFile tmp4;
- std::vector<const char*> args4 = {
- "applypatch",
- "-b",
- bonus_file.c_str(),
- boot_img.c_str(),
- tmp4.path,
- recovery_img_sha1.c_str(),
- recovery_img_size.c_str()
- };
- ASSERT_NE(0, applypatch_modes(args4.size(), args4.data()));
-
- // Failed to parse patch args.
- TemporaryFile tmp5;
- std::string bad_arg1 =
- "invalid-sha1:filename" + from_testdata_base("recovery-from-boot-with-bonus.p");
- std::vector<const char*> args5 = {
- "applypatch",
- boot_img.c_str(),
- tmp5.path,
- recovery_img_sha1.c_str(),
- recovery_img_size.c_str(),
- bad_arg1.c_str()
- };
- ASSERT_NE(0, applypatch_modes(args5.size(), args5.data()));
-
- // Target size cannot be zero.
- TemporaryFile tmp6;
- std::string patch = boot_img_sha1 + ":" + from_testdata_base("recovery-from-boot-with-bonus.p");
- std::vector<const char*> args6 = {
- "applypatch",
- boot_img.c_str(),
- tmp6.path,
- recovery_img_sha1.c_str(),
- "0", // target size
- patch.c_str()
- };
- ASSERT_NE(0, applypatch_modes(args6.size(), args6.data()));
-}
-
-TEST_F(ApplyPatchModesTest, CheckModeInvalidArgs) {
- // Insufficient args.
- ASSERT_EQ(2, applypatch_modes(2, (const char* []){ "applypatch", "-c" }));
-}
-
-TEST_F(ApplyPatchModesTest, ShowLicenses) {
- ASSERT_EQ(0, applypatch_modes(2, (const char* []){ "applypatch", "-l" }));
-}
-
-TEST_F(FreeCacheTest, FreeCacheSmoke) {
- std::vector<std::string> files = { "file1", "file2", "file3" };
- AddFilesToDir(mock_cache.path, files);
- ASSERT_EQ(files, FindFilesInDir(mock_cache.path));
- ASSERT_EQ(4096 * 7, MockFreeSpaceChecker(mock_cache.path));
-
- ASSERT_TRUE(RemoveFilesInDirectory(4096 * 9, mock_cache.path, [&](const std::string& dir) {
- return this->MockFreeSpaceChecker(dir);
- }));
-
- ASSERT_EQ(std::vector<std::string>{ "file3" }, FindFilesInDir(mock_cache.path));
- ASSERT_EQ(4096 * 9, MockFreeSpaceChecker(mock_cache.path));
-}
-
-TEST_F(FreeCacheTest, FreeCacheOpenFile) {
- std::vector<std::string> files = { "file1", "file2" };
- AddFilesToDir(mock_cache.path, files);
- ASSERT_EQ(files, FindFilesInDir(mock_cache.path));
- ASSERT_EQ(4096 * 8, MockFreeSpaceChecker(mock_cache.path));
-
- std::string file1_path = mock_cache.path + "/file1"s;
- android::base::unique_fd fd(open(file1_path.c_str(), O_RDONLY));
-
- // file1 can't be deleted as it's opened by us.
- ASSERT_FALSE(RemoveFilesInDirectory(4096 * 10, mock_cache.path, [&](const std::string& dir) {
- return this->MockFreeSpaceChecker(dir);
- }));
-
- ASSERT_EQ(std::vector<std::string>{ "file1" }, FindFilesInDir(mock_cache.path));
-}
-
-TEST_F(FreeCacheTest, FreeCacheLogsSmoke) {
- std::vector<std::string> log_files = { "last_log", "last_log.1", "last_kmsg.2", "last_log.5",
- "last_log.10" };
- AddFilesToDir(mock_log_dir.path, log_files);
- ASSERT_EQ(4096 * 5, MockFreeSpaceChecker(mock_log_dir.path));
-
- ASSERT_TRUE(RemoveFilesInDirectory(4096 * 8, mock_log_dir.path, [&](const std::string& dir) {
- return this->MockFreeSpaceChecker(dir);
- }));
-
- // Logs with a higher index will be deleted first
- std::vector<std::string> expected = { "last_log", "last_log.1" };
- ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
- ASSERT_EQ(4096 * 8, MockFreeSpaceChecker(mock_log_dir.path));
-}
-
-TEST_F(FreeCacheTest, FreeCacheLogsStringComparison) {
- std::vector<std::string> log_files = { "last_log.1", "last_kmsg.1", "last_log.not_number",
- "last_kmsgrandom" };
- AddFilesToDir(mock_log_dir.path, log_files);
- ASSERT_EQ(4096 * 6, MockFreeSpaceChecker(mock_log_dir.path));
-
- ASSERT_TRUE(RemoveFilesInDirectory(4096 * 9, mock_log_dir.path, [&](const std::string& dir) {
- return this->MockFreeSpaceChecker(dir);
- }));
-
- // Logs with incorrect format will be deleted first; and the last_kmsg with the same index is
- // deleted before last_log.
- std::vector<std::string> expected = { "last_log.1" };
- ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
- ASSERT_EQ(4096 * 9, MockFreeSpaceChecker(mock_log_dir.path));
-}
-
-TEST_F(FreeCacheTest, FreeCacheLogsOtherFiles) {
- std::vector<std::string> log_files = { "last_install", "command", "block.map", "last_log",
- "last_kmsg.1" };
- AddFilesToDir(mock_log_dir.path, log_files);
- ASSERT_EQ(4096 * 5, MockFreeSpaceChecker(mock_log_dir.path));
-
- ASSERT_FALSE(RemoveFilesInDirectory(4096 * 8, mock_log_dir.path, [&](const std::string& dir) {
- return this->MockFreeSpaceChecker(dir);
- }));
-
- // Non log files in /cache/recovery won't be deleted.
- std::vector<std::string> expected = { "block.map", "command", "last_install" };
- ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
-}
diff --git a/tests/unit/applypatch_test.cpp b/tests/unit/applypatch_test.cpp
new file mode 100644
index 0000000..4fbdd37
--- /dev/null
+++ b/tests/unit/applypatch_test.cpp
@@ -0,0 +1,303 @@
+/*
+ * 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 agree 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 <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/test_utils.h>
+#include <android-base/unique_fd.h>
+#include <gtest/gtest.h>
+#include <openssl/sha.h>
+
+#include "applypatch/applypatch.h"
+#include "common/test_constants.h"
+#include "otautil/paths.h"
+#include "otautil/print_sha1.h"
+
+using namespace std::string_literals;
+
+static void sha1sum(const std::string& fname, std::string* sha1, size_t* fsize = nullptr) {
+ ASSERT_TRUE(sha1 != nullptr);
+
+ std::string data;
+ ASSERT_TRUE(android::base::ReadFileToString(fname, &data));
+
+ if (fsize != nullptr) {
+ *fsize = data.size();
+ }
+
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ SHA1(reinterpret_cast<const uint8_t*>(data.c_str()), data.size(), digest);
+ *sha1 = print_sha1(digest);
+}
+
+static void mangle_file(const std::string& fname) {
+ std::string content(1024, '\0');
+ for (size_t i = 0; i < 1024; i++) {
+ content[i] = rand() % 256;
+ }
+ ASSERT_TRUE(android::base::WriteStringToFile(content, fname));
+}
+
+class ApplyPatchTest : public ::testing::Test {
+ public:
+ void SetUp() override {
+ // set up files
+ old_file = from_testdata_base("old.file");
+ new_file = from_testdata_base("new.file");
+ nonexistent_file = from_testdata_base("nonexistent.file");
+
+ // set up SHA constants
+ sha1sum(old_file, &old_sha1, &old_size);
+ sha1sum(new_file, &new_sha1, &new_size);
+ srand(time(nullptr));
+ bad_sha1_a = android::base::StringPrintf("%040x", rand());
+ bad_sha1_b = android::base::StringPrintf("%040x", rand());
+ }
+
+ std::string old_file;
+ std::string new_file;
+ std::string nonexistent_file;
+
+ std::string old_sha1;
+ std::string new_sha1;
+ std::string bad_sha1_a;
+ std::string bad_sha1_b;
+
+ size_t old_size;
+ size_t new_size;
+};
+
+TEST_F(ApplyPatchTest, CheckModeSkip) {
+ std::vector<std::string> sha1s;
+ ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeSingle) {
+ std::vector<std::string> sha1s = { old_sha1 };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeMultiple) {
+ std::vector<std::string> sha1s = { bad_sha1_a, old_sha1, bad_sha1_b };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], sha1s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeFailure) {
+ std::vector<std::string> sha1s = { bad_sha1_a, bad_sha1_b };
+ ASSERT_NE(0, applypatch_check(&old_file[0], sha1s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeEmmcTarget) {
+ // EMMC:old_file:size:sha1 should pass the check.
+ std::string src_file = "EMMC:" + old_file + ":" + std::to_string(old_size) + ":" + old_sha1;
+ std::vector<std::string> sha1s;
+ ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
+
+ // EMMC:old_file:(size-1):sha1:(size+1):sha1 should fail the check.
+ src_file = "EMMC:" + old_file + ":" + std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
+ std::to_string(old_size + 1) + ":" + old_sha1;
+ ASSERT_EQ(1, applypatch_check(src_file.c_str(), sha1s));
+
+ // EMMC:old_file:(size-1):sha1:size:sha1:(size+1):sha1 should pass the check.
+ src_file = "EMMC:" + old_file + ":" + std::to_string(old_size - 1) + ":" + old_sha1 + ":" +
+ std::to_string(old_size) + ":" + old_sha1 + ":" + std::to_string(old_size + 1) + ":" +
+ old_sha1;
+ ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
+
+ // EMMC:old_file:(size+1):sha1:(size-1):sha1:size:sha1 should pass the check.
+ src_file = "EMMC:" + old_file + ":" + std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
+ std::to_string(old_size - 1) + ":" + old_sha1 + ":" + std::to_string(old_size) + ":" +
+ old_sha1;
+ ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
+
+ // EMMC:new_file:(size+1):old_sha1:(size-1):old_sha1:size:old_sha1:size:new_sha1
+ // should pass the check.
+ src_file = "EMMC:" + new_file + ":" + std::to_string(old_size + 1) + ":" + old_sha1 + ":" +
+ std::to_string(old_size - 1) + ":" + old_sha1 + ":" + std::to_string(old_size) + ":" +
+ old_sha1 + ":" + std::to_string(new_size) + ":" + new_sha1;
+ ASSERT_EQ(0, applypatch_check(src_file.c_str(), sha1s));
+}
+
+class ApplyPatchCacheTest : public ApplyPatchTest {
+ protected:
+ void SetUp() override {
+ ApplyPatchTest::SetUp();
+ Paths::Get().set_cache_temp_source(old_file);
+ }
+};
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceSingle) {
+ TemporaryFile temp_file;
+ mangle_file(temp_file.path);
+ std::vector<std::string> sha1s_single = { old_sha1 };
+ ASSERT_EQ(0, applypatch_check(temp_file.path, sha1s_single));
+ ASSERT_EQ(0, applypatch_check(nonexistent_file.c_str(), sha1s_single));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceMultiple) {
+ TemporaryFile temp_file;
+ mangle_file(temp_file.path);
+ std::vector<std::string> sha1s_multiple = { bad_sha1_a, old_sha1, bad_sha1_b };
+ ASSERT_EQ(0, applypatch_check(temp_file.path, sha1s_multiple));
+ ASSERT_EQ(0, applypatch_check(nonexistent_file.c_str(), sha1s_multiple));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSourceFailure) {
+ TemporaryFile temp_file;
+ mangle_file(temp_file.path);
+ std::vector<std::string> sha1s_failure = { bad_sha1_a, bad_sha1_b };
+ ASSERT_NE(0, applypatch_check(temp_file.path, sha1s_failure));
+ ASSERT_NE(0, applypatch_check(nonexistent_file.c_str(), sha1s_failure));
+}
+
+class FreeCacheTest : public ::testing::Test {
+ protected:
+ static constexpr size_t PARTITION_SIZE = 4096 * 10;
+
+ // Returns a sorted list of files in |dirname|.
+ static std::vector<std::string> FindFilesInDir(const std::string& dirname) {
+ std::vector<std::string> file_list;
+
+ std::unique_ptr<DIR, decltype(&closedir)> d(opendir(dirname.c_str()), closedir);
+ struct dirent* de;
+ while ((de = readdir(d.get())) != 0) {
+ std::string path = dirname + "/" + de->d_name;
+
+ struct stat st;
+ if (stat(path.c_str(), &st) == 0 && S_ISREG(st.st_mode)) {
+ file_list.emplace_back(de->d_name);
+ }
+ }
+
+ std::sort(file_list.begin(), file_list.end());
+ return file_list;
+ }
+
+ static void AddFilesToDir(const std::string& dir, const std::vector<std::string>& files) {
+ std::string zeros(4096, 0);
+ for (const auto& file : files) {
+ std::string path = dir + "/" + file;
+ ASSERT_TRUE(android::base::WriteStringToFile(zeros, path));
+ }
+ }
+
+ void SetUp() override {
+ Paths::Get().set_cache_log_directory(mock_log_dir.path);
+ }
+
+ // A mock method to calculate the free space. It assumes the partition has a total size of 40960
+ // bytes and all files are 4096 bytes in size.
+ size_t MockFreeSpaceChecker(const std::string& dirname) {
+ std::vector<std::string> files = FindFilesInDir(dirname);
+ return PARTITION_SIZE - 4096 * files.size();
+ }
+
+ TemporaryDir mock_cache;
+ TemporaryDir mock_log_dir;
+};
+
+TEST_F(FreeCacheTest, FreeCacheSmoke) {
+ std::vector<std::string> files = { "file1", "file2", "file3" };
+ AddFilesToDir(mock_cache.path, files);
+ ASSERT_EQ(files, FindFilesInDir(mock_cache.path));
+ ASSERT_EQ(4096 * 7, MockFreeSpaceChecker(mock_cache.path));
+
+ ASSERT_TRUE(RemoveFilesInDirectory(4096 * 9, mock_cache.path, [&](const std::string& dir) {
+ return this->MockFreeSpaceChecker(dir);
+ }));
+
+ ASSERT_EQ(std::vector<std::string>{ "file3" }, FindFilesInDir(mock_cache.path));
+ ASSERT_EQ(4096 * 9, MockFreeSpaceChecker(mock_cache.path));
+}
+
+TEST_F(FreeCacheTest, FreeCacheOpenFile) {
+ std::vector<std::string> files = { "file1", "file2" };
+ AddFilesToDir(mock_cache.path, files);
+ ASSERT_EQ(files, FindFilesInDir(mock_cache.path));
+ ASSERT_EQ(4096 * 8, MockFreeSpaceChecker(mock_cache.path));
+
+ std::string file1_path = mock_cache.path + "/file1"s;
+ android::base::unique_fd fd(open(file1_path.c_str(), O_RDONLY));
+
+ // file1 can't be deleted as it's opened by us.
+ ASSERT_FALSE(RemoveFilesInDirectory(4096 * 10, mock_cache.path, [&](const std::string& dir) {
+ return this->MockFreeSpaceChecker(dir);
+ }));
+
+ ASSERT_EQ(std::vector<std::string>{ "file1" }, FindFilesInDir(mock_cache.path));
+}
+
+TEST_F(FreeCacheTest, FreeCacheLogsSmoke) {
+ std::vector<std::string> log_files = { "last_log", "last_log.1", "last_kmsg.2", "last_log.5",
+ "last_log.10" };
+ AddFilesToDir(mock_log_dir.path, log_files);
+ ASSERT_EQ(4096 * 5, MockFreeSpaceChecker(mock_log_dir.path));
+
+ ASSERT_TRUE(RemoveFilesInDirectory(4096 * 8, mock_log_dir.path, [&](const std::string& dir) {
+ return this->MockFreeSpaceChecker(dir);
+ }));
+
+ // Logs with a higher index will be deleted first
+ std::vector<std::string> expected = { "last_log", "last_log.1" };
+ ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
+ ASSERT_EQ(4096 * 8, MockFreeSpaceChecker(mock_log_dir.path));
+}
+
+TEST_F(FreeCacheTest, FreeCacheLogsStringComparison) {
+ std::vector<std::string> log_files = { "last_log.1", "last_kmsg.1", "last_log.not_number",
+ "last_kmsgrandom" };
+ AddFilesToDir(mock_log_dir.path, log_files);
+ ASSERT_EQ(4096 * 6, MockFreeSpaceChecker(mock_log_dir.path));
+
+ ASSERT_TRUE(RemoveFilesInDirectory(4096 * 9, mock_log_dir.path, [&](const std::string& dir) {
+ return this->MockFreeSpaceChecker(dir);
+ }));
+
+ // Logs with incorrect format will be deleted first; and the last_kmsg with the same index is
+ // deleted before last_log.
+ std::vector<std::string> expected = { "last_log.1" };
+ ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
+ ASSERT_EQ(4096 * 9, MockFreeSpaceChecker(mock_log_dir.path));
+}
+
+TEST_F(FreeCacheTest, FreeCacheLogsOtherFiles) {
+ std::vector<std::string> log_files = { "last_install", "command", "block.map", "last_log",
+ "last_kmsg.1" };
+ AddFilesToDir(mock_log_dir.path, log_files);
+ ASSERT_EQ(4096 * 5, MockFreeSpaceChecker(mock_log_dir.path));
+
+ ASSERT_FALSE(RemoveFilesInDirectory(4096 * 8, mock_log_dir.path, [&](const std::string& dir) {
+ return this->MockFreeSpaceChecker(dir);
+ }));
+
+ // Non log files in /cache/recovery won't be deleted.
+ std::vector<std::string> expected = { "block.map", "command", "last_install" };
+ ASSERT_EQ(expected, FindFilesInDir(mock_log_dir.path));
+}