github.com/flavio/docker@v0.1.3-0.20170117145210-f63d1a6eec47/cli/command/swarm/init_test.go (about)

     1  package swarm
     2  
     3  import (
     4  	"bytes"
     5  	"fmt"
     6  	"io/ioutil"
     7  	"testing"
     8  
     9  	"github.com/docker/docker/api/types"
    10  	"github.com/docker/docker/api/types/swarm"
    11  	"github.com/docker/docker/cli/internal/test"
    12  	"github.com/docker/docker/pkg/testutil/assert"
    13  	"github.com/docker/docker/pkg/testutil/golden"
    14  )
    15  
    16  func TestSwarmInitErrorOnAPIFailure(t *testing.T) {
    17  	testCases := []struct {
    18  		name                  string
    19  		flags                 map[string]string
    20  		swarmInitFunc         func() (string, error)
    21  		swarmInspectFunc      func() (swarm.Swarm, error)
    22  		swarmGetUnlockKeyFunc func() (types.SwarmUnlockKeyResponse, error)
    23  		nodeInspectFunc       func() (swarm.Node, []byte, error)
    24  		expectedError         string
    25  	}{
    26  		{
    27  			name: "init-failed",
    28  			swarmInitFunc: func() (string, error) {
    29  				return "", fmt.Errorf("error initializing the swarm")
    30  			},
    31  			expectedError: "error initializing the swarm",
    32  		},
    33  		{
    34  			name: "init-faild-with-ip-choice",
    35  			swarmInitFunc: func() (string, error) {
    36  				return "", fmt.Errorf("could not choose an IP address to advertise")
    37  			},
    38  			expectedError: "could not choose an IP address to advertise - specify one with --advertise-addr",
    39  		},
    40  		{
    41  			name: "swarm-inspect-after-init-failed",
    42  			swarmInspectFunc: func() (swarm.Swarm, error) {
    43  				return swarm.Swarm{}, fmt.Errorf("error inspecting the swarm")
    44  			},
    45  			expectedError: "error inspecting the swarm",
    46  		},
    47  		{
    48  			name: "node-inspect-after-init-failed",
    49  			nodeInspectFunc: func() (swarm.Node, []byte, error) {
    50  				return swarm.Node{}, []byte{}, fmt.Errorf("error inspecting the node")
    51  			},
    52  			expectedError: "error inspecting the node",
    53  		},
    54  		{
    55  			name: "swarm-get-unlock-key-after-init-failed",
    56  			flags: map[string]string{
    57  				flagAutolock: "true",
    58  			},
    59  			swarmGetUnlockKeyFunc: func() (types.SwarmUnlockKeyResponse, error) {
    60  				return types.SwarmUnlockKeyResponse{}, fmt.Errorf("error getting swarm unlock key")
    61  			},
    62  			expectedError: "could not fetch unlock key: error getting swarm unlock key",
    63  		},
    64  	}
    65  	for _, tc := range testCases {
    66  		buf := new(bytes.Buffer)
    67  		cmd := newInitCommand(
    68  			test.NewFakeCli(&fakeClient{
    69  				swarmInitFunc:         tc.swarmInitFunc,
    70  				swarmInspectFunc:      tc.swarmInspectFunc,
    71  				swarmGetUnlockKeyFunc: tc.swarmGetUnlockKeyFunc,
    72  				nodeInspectFunc:       tc.nodeInspectFunc,
    73  			}, buf))
    74  		for key, value := range tc.flags {
    75  			cmd.Flags().Set(key, value)
    76  		}
    77  		cmd.SetOutput(ioutil.Discard)
    78  		assert.Error(t, cmd.Execute(), tc.expectedError)
    79  	}
    80  }
    81  
    82  func TestSwarmInit(t *testing.T) {
    83  	testCases := []struct {
    84  		name                  string
    85  		flags                 map[string]string
    86  		swarmInitFunc         func() (string, error)
    87  		swarmInspectFunc      func() (swarm.Swarm, error)
    88  		swarmGetUnlockKeyFunc func() (types.SwarmUnlockKeyResponse, error)
    89  		nodeInspectFunc       func() (swarm.Node, []byte, error)
    90  	}{
    91  		{
    92  			name: "init",
    93  			swarmInitFunc: func() (string, error) {
    94  				return "nodeID", nil
    95  			},
    96  		},
    97  		{
    98  			name: "init-autolock",
    99  			flags: map[string]string{
   100  				flagAutolock: "true",
   101  			},
   102  			swarmInitFunc: func() (string, error) {
   103  				return "nodeID", nil
   104  			},
   105  			swarmGetUnlockKeyFunc: func() (types.SwarmUnlockKeyResponse, error) {
   106  				return types.SwarmUnlockKeyResponse{
   107  					UnlockKey: "unlock-key",
   108  				}, nil
   109  			},
   110  		},
   111  	}
   112  	for _, tc := range testCases {
   113  		buf := new(bytes.Buffer)
   114  		cmd := newInitCommand(
   115  			test.NewFakeCli(&fakeClient{
   116  				swarmInitFunc:         tc.swarmInitFunc,
   117  				swarmInspectFunc:      tc.swarmInspectFunc,
   118  				swarmGetUnlockKeyFunc: tc.swarmGetUnlockKeyFunc,
   119  				nodeInspectFunc:       tc.nodeInspectFunc,
   120  			}, buf))
   121  		for key, value := range tc.flags {
   122  			cmd.Flags().Set(key, value)
   123  		}
   124  		assert.NilError(t, cmd.Execute())
   125  		actual := buf.String()
   126  		expected := golden.Get(t, []byte(actual), fmt.Sprintf("init-%s.golden", tc.name))
   127  		assert.EqualNormalizedString(t, assert.RemoveSpace, actual, string(expected))
   128  	}
   129  }