1 files changed, 108 insertions, 0 deletions

diff --git a/tests/unit/fuse_sideload_test.cpp b/tests/unit/fuse_sideload_test.cpp
new file mode 100644
index 000000000..6add99f41
--- /dev/null
+++ b/tests/unit/fuse_sideload_test.cpp
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2017 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 <unistd.h>
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/strings.h>
+#include <gtest/gtest.h>
+
+#include "fuse_provider.h"
+#include "fuse_sideload.h"
+
+TEST(SideloadTest, fuse_device) {
+  ASSERT_EQ(0, access("/dev/fuse", R_OK | W_OK));
+}
+
+class FuseTestDataProvider : public FuseDataProvider {
+ public:
+  FuseTestDataProvider(uint64_t file_size, uint32_t block_size)
+      : FuseDataProvider(file_size, block_size) {}
+
+ private:
+  bool ReadBlockAlignedData(uint8_t*, uint32_t, uint32_t) const override {
+    return true;
+  }
+};
+
+TEST(SideloadTest, run_fuse_sideload_wrong_parameters) {
+  auto provider_small_block = std::make_unique<FuseTestDataProvider>(4096, 4095);
+  ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_small_block)));
+
+  auto provider_large_block = std::make_unique<FuseTestDataProvider>(4096, (1 << 22) + 1);
+  ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_large_block)));
+
+  auto provider_too_many_blocks =
+      std::make_unique<FuseTestDataProvider>(((1 << 18) + 1) * 4096, 4096);
+  ASSERT_EQ(-1, run_fuse_sideload(std::move(provider_too_many_blocks)));
+}
+
+TEST(SideloadTest, run_fuse_sideload) {
+  const std::vector<std::string> blocks = {
+    std::string(2048, 'a') + std::string(2048, 'b'),
+    std::string(2048, 'c') + std::string(2048, 'd'),
+    std::string(2048, 'e') + std::string(2048, 'f'),
+    std::string(2048, 'g') + std::string(2048, 'h'),
+  };
+  const std::string content = android::base::Join(blocks, "");
+  ASSERT_EQ(16384U, content.size());
+
+  TemporaryFile temp_file;
+  ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file.path));
+
+  auto provider = std::make_unique<FuseFileDataProvider>(temp_file.path, 4096);
+  ASSERT_TRUE(provider->Valid());
+  TemporaryDir mount_point;
+  pid_t pid = fork();
+  if (pid == 0) {
+    ASSERT_EQ(0, run_fuse_sideload(std::move(provider), mount_point.path));
+    _exit(EXIT_SUCCESS);
+  }
+
+  std::string package = std::string(mount_point.path) + "/" + FUSE_SIDELOAD_HOST_FILENAME;
+  int status;
+  static constexpr int kSideloadInstallTimeout = 10;
+  for (int i = 0; i < kSideloadInstallTimeout; ++i) {
+    ASSERT_NE(-1, waitpid(pid, &status, WNOHANG));
+
+    struct stat sb;
+    if (stat(package.c_str(), &sb) == 0) {
+      break;
+    }
+
+    if (errno == ENOENT && i < kSideloadInstallTimeout - 1) {
+      sleep(1);
+      continue;
+    }
+    FAIL() << "Timed out waiting for the fuse-provided package.";
+  }
+
+  std::string content_via_fuse;
+  ASSERT_TRUE(android::base::ReadFileToString(package, &content_via_fuse));
+  ASSERT_EQ(content, content_via_fuse);
+
+  std::string exit_flag = std::string(mount_point.path) + "/" + FUSE_SIDELOAD_HOST_EXIT_FLAG;
+  struct stat sb;
+  ASSERT_EQ(0, stat(exit_flag.c_str(), &sb));
+
+  waitpid(pid, &status, 0);
+  ASSERT_EQ(0, WEXITSTATUS(status));
+  ASSERT_EQ(EXIT_SUCCESS, WEXITSTATUS(status));
+}