github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/test/root/main_test.go (about)

     1  // Copyright 2018 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package root
    16  
    17  import (
    18  	"flag"
    19  	"fmt"
    20  	"os"
    21  	"testing"
    22  
    23  	"github.com/syndtr/gocapability/capability"
    24  	"github.com/SagerNet/gvisor/pkg/test/dockerutil"
    25  	"github.com/SagerNet/gvisor/runsc/specutils"
    26  )
    27  
    28  // TestMain is the main function for root tests. This function checks the
    29  // supported docker version, required capabilities, and configures the executable
    30  // path for runsc.
    31  func TestMain(m *testing.M) {
    32  	flag.Parse()
    33  
    34  	if !specutils.HasCapabilities(capability.CAP_SYS_ADMIN, capability.CAP_DAC_OVERRIDE) {
    35  		fmt.Println("Test requires sysadmin privileges to run. Try again with sudo.")
    36  		os.Exit(1)
    37  	}
    38  
    39  	dockerutil.EnsureSupportedDockerVersion()
    40  
    41  	// Configure exe for tests.
    42  	path, err := dockerutil.RuntimePath()
    43  	if err != nil {
    44  		panic(err.Error())
    45  	}
    46  	specutils.ExePath = path
    47  
    48  	os.Exit(m.Run())
    49  }