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-rw-r--r--tests/component/applypatch_test.cpp392
1 files changed, 392 insertions, 0 deletions
diff --git a/tests/component/applypatch_test.cpp b/tests/component/applypatch_test.cpp
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index 000000000..b44ddd17c
--- /dev/null
+++ b/tests/component/applypatch_test.cpp
@@ -0,0 +1,392 @@
+/*
+ * 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 <fcntl.h>
+#include <gtest/gtest.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/types.h>
+#include <time.h>
+
+#include <string>
+
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+#include <android-base/test_utils.h>
+
+#include "applypatch/applypatch.h"
+#include "common/test_constants.h"
+#include "openssl/sha.h"
+#include "print_sha1.h"
+
+static const std::string DATA_PATH = getenv("ANDROID_DATA");
+static const std::string TESTDATA_PATH = "/recovery/testdata";
+static const std::string WORK_FS = "/data";
+
+static std::string sha1sum(const std::string& fname) {
+ uint8_t digest[SHA_DIGEST_LENGTH];
+ std::string data;
+ android::base::ReadFileToString(fname, &data);
+
+ SHA1((const uint8_t*)data.c_str(), data.size(), digest);
+ return print_sha1(digest);
+}
+
+static void mangle_file(const std::string& fname) {
+ FILE* fh = fopen(&fname[0], "w");
+ int r;
+ for (int i=0; i < 1024; i++) {
+ r = rand();
+ fwrite(&r, sizeof(short), 1, fh);
+ }
+ fclose(fh);
+}
+
+static bool file_cmp(std::string& f1, std::string& f2) {
+ std::string c1;
+ std::string c2;
+ android::base::ReadFileToString(f1, &c1);
+ android::base::ReadFileToString(f2, &c2);
+ return c1 == c2;
+}
+
+static std::string from_testdata_base(const std::string fname) {
+ return android::base::StringPrintf("%s%s%s/%s",
+ &DATA_PATH[0],
+ &NATIVE_TEST_PATH[0],
+ &TESTDATA_PATH[0],
+ &fname[0]);
+}
+
+class ApplyPatchTest : public ::testing::Test {
+ public:
+ static void SetUpTestCase() {
+ // set up files
+ old_file = from_testdata_base("old.file");
+ new_file = from_testdata_base("new.file");
+ patch_file = from_testdata_base("patch.bsdiff");
+ rand_file = "/cache/applypatch_test_rand.file";
+ cache_file = "/cache/saved.file";
+
+ // write stuff to rand_file
+ android::base::WriteStringToFile("hello", rand_file);
+
+ // set up SHA constants
+ old_sha1 = sha1sum(old_file);
+ new_sha1 = sha1sum(new_file);
+ srand(time(NULL));
+ bad_sha1_a = android::base::StringPrintf("%040x", rand());
+ bad_sha1_b = android::base::StringPrintf("%040x", rand());
+
+ struct stat st;
+ stat(&new_file[0], &st);
+ new_size = st.st_size;
+ }
+
+ static std::string old_file;
+ static std::string new_file;
+ static std::string rand_file;
+ static std::string cache_file;
+ static std::string patch_file;
+
+ static std::string old_sha1;
+ static std::string new_sha1;
+ static std::string bad_sha1_a;
+ static std::string bad_sha1_b;
+
+ static size_t new_size;
+};
+
+std::string ApplyPatchTest::old_file;
+std::string ApplyPatchTest::new_file;
+
+static void cp(std::string src, std::string tgt) {
+ std::string cmd = android::base::StringPrintf("cp %s %s",
+ &src[0],
+ &tgt[0]);
+ system(&cmd[0]);
+}
+
+static void backup_old() {
+ cp(ApplyPatchTest::old_file, ApplyPatchTest::cache_file);
+}
+
+static void restore_old() {
+ cp(ApplyPatchTest::cache_file, ApplyPatchTest::old_file);
+}
+
+class ApplyPatchCacheTest : public ApplyPatchTest {
+ public:
+ virtual void SetUp() {
+ backup_old();
+ }
+
+ virtual void TearDown() {
+ restore_old();
+ }
+};
+
+class ApplyPatchFullTest : public ApplyPatchCacheTest {
+ public:
+ static void SetUpTestCase() {
+ ApplyPatchTest::SetUpTestCase();
+ unsigned long free_kb = FreeSpaceForFile(&WORK_FS[0]);
+ ASSERT_GE(free_kb * 1024, new_size * 3 / 2);
+ output_f = new TemporaryFile();
+ output_loc = std::string(output_f->path);
+
+ struct FileContents fc;
+
+ ASSERT_EQ(0, LoadFileContents(&rand_file[0], &fc));
+ Value* patch1 = new Value();
+ patch1->type = VAL_BLOB;
+ patch1->size = fc.data.size();
+ patch1->data = static_cast<char*>(malloc(fc.data.size()));
+ memcpy(patch1->data, fc.data.data(), fc.data.size());
+ patches.push_back(patch1);
+
+ ASSERT_EQ(0, LoadFileContents(&patch_file[0], &fc));
+ Value* patch2 = new Value();
+ patch2->type = VAL_BLOB;
+ patch2->size = fc.st.st_size;
+ patch2->data = static_cast<char*>(malloc(fc.data.size()));
+ memcpy(patch2->data, fc.data.data(), fc.data.size());
+ patches.push_back(patch2);
+ }
+ static void TearDownTestCase() {
+ delete output_f;
+ for (auto it = patches.begin(); it != patches.end(); ++it) {
+ free((*it)->data);
+ delete *it;
+ }
+ patches.clear();
+ }
+
+ static std::vector<Value*> patches;
+ static TemporaryFile* output_f;
+ static std::string output_loc;
+};
+
+class ApplyPatchDoubleCacheTest : public ApplyPatchFullTest {
+ public:
+ virtual void SetUp() {
+ ApplyPatchCacheTest::SetUp();
+ cp(cache_file, "/cache/reallysaved.file");
+ }
+
+ virtual void TearDown() {
+ cp("/cache/reallysaved.file", cache_file);
+ ApplyPatchCacheTest::TearDown();
+ }
+};
+
+std::string ApplyPatchTest::rand_file;
+std::string ApplyPatchTest::patch_file;
+std::string ApplyPatchTest::cache_file;
+std::string ApplyPatchTest::old_sha1;
+std::string ApplyPatchTest::new_sha1;
+std::string ApplyPatchTest::bad_sha1_a;
+std::string ApplyPatchTest::bad_sha1_b;
+
+size_t ApplyPatchTest::new_size;
+
+std::vector<Value*> ApplyPatchFullTest::patches;
+TemporaryFile* ApplyPatchFullTest::output_f;
+std::string ApplyPatchFullTest::output_loc;
+
+TEST_F(ApplyPatchTest, CheckModeSingle) {
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchTest, CheckModeMultiple) {
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchTest, CheckModeFailure) {
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedSingle) {
+ mangle_file(old_file);
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedMultiple) {
+ mangle_file(old_file);
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheCorruptedFailure) {
+ mangle_file(old_file);
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingSingle) {
+ unlink(&old_file[0]);
+ char* s = &old_sha1[0];
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 1, &s));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingMultiple) {
+ unlink(&old_file[0]);
+ char* argv[3] = {
+ &bad_sha1_a[0],
+ &old_sha1[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_EQ(0, applypatch_check(&old_file[0], 3, argv));
+}
+
+TEST_F(ApplyPatchCacheTest, CheckCacheMissingFailure) {
+ unlink(&old_file[0]);
+ char* argv[2] = {
+ &bad_sha1_a[0],
+ &bad_sha1_b[0]
+ };
+ ASSERT_NE(0, applypatch_check(&old_file[0], 2, argv));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyInPlace) {
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+
+ int ap_result = applypatch(&old_file[0],
+ "-",
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(old_file, new_file));
+ // reapply, applypatch is idempotent so it should succeed
+ ap_result = applypatch(&old_file[0],
+ "-",
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(old_file, new_file));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyInNewLocation) {
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+}
+
+TEST_F(ApplyPatchFullTest, ApplyCorruptedInNewLocation) {
+ mangle_file(old_file);
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_EQ(0, ap_result);
+ ASSERT_TRUE(file_cmp(output_loc, new_file));
+}
+
+TEST_F(ApplyPatchDoubleCacheTest, ApplyDoubleCorruptedInNewLocation) {
+ mangle_file(old_file);
+ mangle_file(cache_file);
+
+ std::vector<char*> sha1s;
+ sha1s.push_back(&bad_sha1_a[0]);
+ sha1s.push_back(&old_sha1[0]);
+ int ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_NE(0, ap_result);
+ ASSERT_FALSE(file_cmp(output_loc, new_file));
+ ap_result = applypatch(&old_file[0],
+ &output_loc[0],
+ &new_sha1[0],
+ new_size,
+ 2,
+ sha1s.data(),
+ patches.data(),
+ nullptr);
+ ASSERT_NE(0, ap_result);
+ ASSERT_FALSE(file_cmp(output_loc, new_file));
+}