github.com/psiphon-labs/psiphon-tunnel-core@v2.0.28+incompatible/psiphon/tactics_test.go (about)

     1  /*
     2   * Copyright (c) 2020, Psiphon Inc.
     3   * All rights reserved.
     4   *
     5   * This program is free software: you can redistribute it and/or modify
     6   * it under the terms of the GNU General Public License as published by
     7   * the Free Software Foundation, either version 3 of the License, or
     8   * (at your option) any later version.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package psiphon
    21  
    22  import (
    23  	"context"
    24  	"encoding/json"
    25  	"io/ioutil"
    26  	"net"
    27  	"os"
    28  	"sync/atomic"
    29  	"testing"
    30  	"time"
    31  
    32  	"github.com/Psiphon-Labs/psiphon-tunnel-core/psiphon/common/errors"
    33  )
    34  
    35  func TestStandAloneGetTactics(t *testing.T) {
    36  
    37  	testDataDirName, err := ioutil.TempDir("", "psiphon-tactics-test")
    38  	if err != nil {
    39  		t.Fatalf("TempDir failed: %s\n", err)
    40  	}
    41  	defer os.RemoveAll(testDataDirName)
    42  
    43  	configJSON, err := ioutil.ReadFile("controller_test.config")
    44  	if err != nil {
    45  		// Skip, don't fail, if config file is not present
    46  		t.Skipf("error loading configuration file: %s", err)
    47  	}
    48  
    49  	var modifyConfig map[string]interface{}
    50  	json.Unmarshal(configJSON, &modifyConfig)
    51  
    52  	modifyConfig["DataRootDirectory"] = testDataDirName
    53  
    54  	configJSON, _ = json.Marshal(modifyConfig)
    55  
    56  	config, err := LoadConfig(configJSON)
    57  	if err != nil {
    58  		t.Fatalf("error processing configuration file: %s", err)
    59  	}
    60  
    61  	if config.ClientPlatform == "" {
    62  		config.ClientPlatform = testClientPlatform
    63  	}
    64  
    65  	err = config.Commit(false)
    66  	if err != nil {
    67  		t.Fatalf("error committing configuration file: %s", err)
    68  	}
    69  
    70  	resolver := NewResolver(config, true)
    71  	defer resolver.Stop()
    72  	config.SetResolver(resolver)
    73  
    74  	gotTactics := int32(0)
    75  
    76  	SetNoticeWriter(NewNoticeReceiver(
    77  		func(notice []byte) {
    78  			noticeType, _, err := GetNotice(notice)
    79  			if err != nil {
    80  				return
    81  			}
    82  			switch noticeType {
    83  			case "RequestedTactics":
    84  				atomic.StoreInt32(&gotTactics, 1)
    85  			}
    86  		}))
    87  
    88  	ctx, cancelFunc := context.WithTimeout(context.Background(), 30*time.Second)
    89  	defer cancelFunc()
    90  
    91  	err = OpenDataStore(config)
    92  	if err != nil {
    93  		t.Fatalf("error committing initializing datastore: %s", err)
    94  	}
    95  
    96  	untunneledDialConfig := &DialConfig{
    97  		ResolveIP: func(ctx context.Context, hostname string) ([]net.IP, error) {
    98  			IPs, err := UntunneledResolveIP(
    99  				ctx, config, resolver, hostname)
   100  			if err != nil {
   101  				return nil, errors.Trace(err)
   102  			}
   103  			return IPs, nil
   104  		},
   105  		UpstreamProxyURL: config.UpstreamProxyURL,
   106  	}
   107  
   108  	err = FetchCommonRemoteServerList(ctx, config, 0, nil, untunneledDialConfig)
   109  	if err != nil {
   110  		t.Fatalf("error fetching remote server list: %s", err)
   111  	}
   112  
   113  	// Close the datastore to exercise the OpenDatastore/CloseDatastore
   114  	// operations in GetTactics.
   115  	CloseDataStore()
   116  
   117  	GetTactics(ctx, config)
   118  
   119  	if atomic.LoadInt32(&gotTactics) != 1 {
   120  		t.Fatalf("failed to get tactics")
   121  	}
   122  }