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      1 //
      2 // Copyright (C) 2015 The Android Open Source Project
      3 //
      4 // Licensed under the Apache License, Version 2.0 (the "License");
      5 // you may not use this file except in compliance with the License.
      6 // You may obtain a copy of the License at
      7 //
      8 //      http://www.apache.org/licenses/LICENSE-2.0
      9 //
     10 // Unless required by applicable law or agreed to in writing, software
     11 // distributed under the License is distributed on an "AS IS" BASIS,
     12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 // See the License for the specific language governing permissions and
     14 // limitations under the License.
     15 //
     16 
     17 #include "update_engine/boot_control_chromeos.h"
     18 
     19 #include <gtest/gtest.h>
     20 
     21 namespace chromeos_update_engine {
     22 
     23 class BootControlChromeOSTest : public ::testing::Test {
     24  protected:
     25   void SetUp() override {
     26     // We don't run Init() for bootctl_, we set its internal values instead.
     27     bootctl_.num_slots_ = 2;
     28     bootctl_.current_slot_ = 0;
     29     bootctl_.boot_disk_name_ = "/dev/null";
     30   }
     31 
     32   BootControlChromeOS bootctl_;  // BootControlChromeOS under test.
     33 };
     34 
     35 TEST_F(BootControlChromeOSTest, SysfsBlockDeviceTest) {
     36   EXPECT_EQ("/sys/block/sda", bootctl_.SysfsBlockDevice("/dev/sda"));
     37   EXPECT_EQ("", bootctl_.SysfsBlockDevice("/foo/sda"));
     38   EXPECT_EQ("", bootctl_.SysfsBlockDevice("/dev/foo/bar"));
     39   EXPECT_EQ("", bootctl_.SysfsBlockDevice("/"));
     40   EXPECT_EQ("", bootctl_.SysfsBlockDevice("./"));
     41   EXPECT_EQ("", bootctl_.SysfsBlockDevice(""));
     42 }
     43 
     44 TEST_F(BootControlChromeOSTest, GetPartitionNumberTest) {
     45   // The partition name should not be case-sensitive.
     46   EXPECT_EQ(2, bootctl_.GetPartitionNumber("kernel", 0));
     47   EXPECT_EQ(2, bootctl_.GetPartitionNumber("boot", 0));
     48   EXPECT_EQ(2, bootctl_.GetPartitionNumber("KERNEL", 0));
     49   EXPECT_EQ(2, bootctl_.GetPartitionNumber("BOOT", 0));
     50 
     51   EXPECT_EQ(3, bootctl_.GetPartitionNumber("ROOT", 0));
     52   EXPECT_EQ(3, bootctl_.GetPartitionNumber("system", 0));
     53 
     54   EXPECT_EQ(3, bootctl_.GetPartitionNumber("ROOT", 0));
     55   EXPECT_EQ(3, bootctl_.GetPartitionNumber("system", 0));
     56 
     57   // Slot B.
     58   EXPECT_EQ(4, bootctl_.GetPartitionNumber("KERNEL", 1));
     59   EXPECT_EQ(5, bootctl_.GetPartitionNumber("ROOT", 1));
     60 
     61   // Slot C doesn't exists.
     62   EXPECT_EQ(-1, bootctl_.GetPartitionNumber("KERNEL", 2));
     63   EXPECT_EQ(-1, bootctl_.GetPartitionNumber("ROOT", 2));
     64 
     65   // Non A/B partitions are ignored.
     66   EXPECT_EQ(-1, bootctl_.GetPartitionNumber("OEM", 0));
     67   EXPECT_EQ(-1, bootctl_.GetPartitionNumber("A little panda", 0));
     68 }
     69 
     70 }  // namespace chromeos_update_engine
     71