// Copyright 2021 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Unit tests for functionality in mounts.h.

#include "secanomalyd/mounts.h"

#include <optional>
#include <string>

#include <gtest/gtest.h>

namespace secanomalyd {

namespace {
constexpr char kMounts[] =
    "/dev/sda1 /mnt/stateful_partition ext4 "
    "rw,seclabel,nosuid,nodev,noexec,noatime,"
    "resgid=20119,commit=600,data=ordered 0 0\n"
    //
    "/dev/sda1 /usr/local ext4 "
    "rw,seclabel,nodev,noatime,resgid=20119,commit=600,data=ordered 0 0\n"
    //
    "/dev/sdb1 /media/removable/USB\040Drive ext2 "
    "rw,dirsync,nosuid,nodev,noexec,seclabel,relatime,nosymfollow\n"
    //
    "fuse:/home/chronos/u-f0df208cd7759644d43f8d7c4c5900e4a4875275/MyFiles/"
    "Downloads/sample.rar /media/archive/sample.rar fuse.rarfs "
    "ro,dirsync,nosuid,nodev,noexec,relatime,nosymfollow,"
    "user_id=1000,group_id=1001,default_permissions,allow_other 0 0";
}  // namespace

TEST(MountsTest, EmptyString) {
  MaybeMountEntries entries = ReadMountsFromString("", MountFilter::kAll);
  ASSERT_EQ(entries, std::nullopt);
}

TEST(MountsTest, ActualMounts) {
  MaybeMountEntries maybe_entries =
      ReadMountsFromString(kMounts, MountFilter::kAll);
  ASSERT_TRUE(maybe_entries.has_value());
  MountEntries entries = maybe_entries.value();
  ASSERT_EQ(entries.size(), 4u);

  ASSERT_EQ(entries[0].dest(), base::FilePath("/mnt/stateful_partition"));
  ASSERT_EQ(entries[1].src(), base::FilePath("/dev/sda1"));
  ASSERT_EQ(entries[3].type(), "fuse.rarfs");
}

TEST(MountsTest, UploadableMounts) {
  MaybeMountEntries maybe_entries =
      ReadMountsFromString(kMounts, MountFilter::kUploadableOnly);
  ASSERT_TRUE(maybe_entries.has_value());
  MountEntries entries = maybe_entries.value();
  ASSERT_EQ(entries.size(), 2u);

  ASSERT_EQ(entries[0].dest(), base::FilePath("/mnt/stateful_partition"));
  ASSERT_EQ(entries[1].src(), base::FilePath("/dev/sda1"));
}

}  // namespace secanomalyd