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package node
import (
"bytes"
"io/ioutil"
"testing"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
// Import builders to get the builder function as package function
. "github.com/docker/cli/cli/internal/test/builders"
"github.com/stretchr/testify/assert"
)
func TestNodeListErrorOnAPIFailure(t *testing.T) {
testCases := []struct {
nodeListFunc func() ([]swarm.Node, error)
infoFunc func() (types.Info, error)
expectedError string
}{
{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{}, errors.Errorf("error listing nodes")
},
expectedError: "error listing nodes",
},
{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{
{
ID: "nodeID",
},
}, nil
},
infoFunc: func() (types.Info, error) {
return types.Info{}, errors.Errorf("error asking for node info")
},
expectedError: "error asking for node info",
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{
nodeListFunc: tc.nodeListFunc,
infoFunc: tc.infoFunc,
}, buf)
cli.SetConfigfile(&configfile.ConfigFile{})
cmd := newListCommand(cli)
cmd.SetOutput(ioutil.Discard)
assert.EqualError(t, cmd.Execute(), tc.expectedError)
}
}
func TestNodeList(t *testing.T) {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{
*Node(NodeID("nodeID1"), Hostname("nodeHostname1"), Manager(Leader())),
*Node(NodeID("nodeID2"), Hostname("nodeHostname2"), Manager()),
*Node(NodeID("nodeID3"), Hostname("nodeHostname3")),
}, nil
},
infoFunc: func() (types.Info, error) {
return types.Info{
Swarm: swarm.Info{
NodeID: "nodeID1",
},
}, nil
},
}, buf)
cli.SetConfigfile(&configfile.ConfigFile{})
cmd := newListCommand(cli)
assert.NoError(t, cmd.Execute())
assert.Contains(t, buf.String(), `nodeID1 * nodeHostname1 Ready Active Leader`)
assert.Contains(t, buf.String(), `nodeID2 nodeHostname2 Ready Active Reachable`)
assert.Contains(t, buf.String(), `nodeID3 nodeHostname3 Ready Active`)
}
func TestNodeListQuietShouldOnlyPrintIDs(t *testing.T) {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{
*Node(),
}, nil
},
}, buf)
cli.SetConfigfile(&configfile.ConfigFile{})
cmd := newListCommand(cli)
cmd.Flags().Set("quiet", "true")
assert.NoError(t, cmd.Execute())
assert.Contains(t, buf.String(), "nodeID")
}
// Test case for #24090
func TestNodeListContainsHostname(t *testing.T) {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{}, buf)
cli.SetConfigfile(&configfile.ConfigFile{})
cmd := newListCommand(cli)
assert.NoError(t, cmd.Execute())
assert.Contains(t, buf.String(), "HOSTNAME")
}
func TestNodeListDefaultFormat(t *testing.T) {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{
*Node(NodeID("nodeID1"), Hostname("nodeHostname1"), Manager(Leader())),
*Node(NodeID("nodeID2"), Hostname("nodeHostname2"), Manager()),
*Node(NodeID("nodeID3"), Hostname("nodeHostname3")),
}, nil
},
infoFunc: func() (types.Info, error) {
return types.Info{
Swarm: swarm.Info{
NodeID: "nodeID1",
},
}, nil
},
}, buf)
cli.SetConfigfile(&configfile.ConfigFile{
NodesFormat: "{{.ID}}: {{.Hostname}} {{.Status}}/{{.ManagerStatus}}",
})
cmd := newListCommand(cli)
assert.NoError(t, cmd.Execute())
assert.Contains(t, buf.String(), `nodeID1: nodeHostname1 Ready/Leader`)
assert.Contains(t, buf.String(), `nodeID2: nodeHostname2 Ready/Reachable`)
assert.Contains(t, buf.String(), `nodeID3: nodeHostname3 Ready`)
}
func TestNodeListFormat(t *testing.T) {
buf := new(bytes.Buffer)
cli := test.NewFakeCli(&fakeClient{
nodeListFunc: func() ([]swarm.Node, error) {
return []swarm.Node{
*Node(NodeID("nodeID1"), Hostname("nodeHostname1"), Manager(Leader())),
*Node(NodeID("nodeID2"), Hostname("nodeHostname2"), Manager()),
}, nil
},
infoFunc: func() (types.Info, error) {
return types.Info{
Swarm: swarm.Info{
NodeID: "nodeID1",
},
}, nil
},
}, buf)
cli.SetConfigfile(&configfile.ConfigFile{
NodesFormat: "{{.ID}}: {{.Hostname}} {{.Status}}/{{.ManagerStatus}}",
})
cmd := newListCommand(cli)
cmd.Flags().Set("format", "{{.Hostname}}: {{.ManagerStatus}}")
assert.NoError(t, cmd.Execute())
assert.Contains(t, buf.String(), `nodeHostname1: Leader`)
assert.Contains(t, buf.String(), `nodeHostname2: Reachable`)
}