github.com/aporeto-inc/trireme-lib@v10.358.0+incompatible/monitor/extractors/docker_test.go (about)

     1  // +build !windows
     2  
     3  package extractors
     4  
     5  import (
     6  	"bufio"
     7  	"fmt"
     8  	"os"
     9  	"testing"
    10  
    11  	"github.com/docker/docker/api/types"
    12  	"github.com/docker/docker/api/types/container"
    13  	"go.aporeto.io/enforcerd/trireme-lib/monitor/constants"
    14  )
    15  
    16  func TestDefaultMetadataExtractor(t *testing.T) {
    17  	info := &types.ContainerJSON{
    18  		ContainerJSONBase: &types.ContainerJSONBase{
    19  			Name:  "name",
    20  			State: &types.ContainerState{},
    21  			HostConfig: &container.HostConfig{
    22  				NetworkMode: constants.DockerHostMode,
    23  			},
    24  		},
    25  		NetworkSettings: &types.NetworkSettings{
    26  			DefaultNetworkSettings: types.DefaultNetworkSettings{
    27  				IPAddress: "10.0.0.1",
    28  			},
    29  		},
    30  		Config: &container.Config{
    31  			Image: "image",
    32  			Labels: map[string]string{
    33  				"   ":            "remove me",
    34  				"empty-label":    "",
    35  				"standard-label": "one",
    36  			},
    37  		},
    38  	}
    39  
    40  	pu, err := DefaultMetadataExtractor(info)
    41  	if err != nil {
    42  		t.Error(err)
    43  	}
    44  	var foundEmptyTag bool
    45  	for _, tag := range pu.Tags().GetSlice() {
    46  		if tag == "@usr:empty-label=<empty>" {
    47  			foundEmptyTag = true
    48  			break
    49  		}
    50  	}
    51  	if !foundEmptyTag {
    52  		t.Error("empty tag not found")
    53  	}
    54  }
    55  
    56  func TestCreate(t *testing.T) {
    57  	// Test for Empty file.
    58  	_, err := NewExternalExtractor("")
    59  	if err == nil {
    60  		t.Errorf("Expected Error, but got none")
    61  	}
    62  
    63  	// Test for NonExistent file.
    64  	_, err = NewExternalExtractor("/tmp/abcde.test")
    65  	if err == nil {
    66  		t.Errorf("Expected Error, but got none")
    67  	}
    68  }
    69  
    70  const testfile = `#!/bin/sh
    71  echo '{"Pid":16823,"Name":"/stoic_snyder","IPAddresses":{"bridge":"172.17.0.2"},"Tags":{"image":"nginx","name":"/stoic_snyder"}}'
    72  `
    73  
    74  func createFileTest(destination string) error {
    75  
    76  	fileHandle, err := os.Create(destination)
    77  	if err != nil {
    78  		return err
    79  	}
    80  	writer := bufio.NewWriter(fileHandle)
    81  	fmt.Fprintln(writer, testfile)
    82  	writer.Flush() // nolint: errcheck
    83  	return nil
    84  }
    85  
    86  func TestReturnedFunc(t *testing.T) {
    87  
    88  	if err := createFileTest("/tmp/test.sh"); err != nil {
    89  		t.Skipf("Skip test because no support for writing files to /tmp")
    90  	}
    91  	function, err := NewExternalExtractor("/tmp/test.sh")
    92  	if err != nil {
    93  		t.Skipf("Skip test because no support for writing files to /tmp")
    94  	}
    95  	_, err = function(nil)
    96  	if err != nil {
    97  		t.Errorf("Failed to create extractor")
    98  	}
    99  }