DockerCLI/command/node/ps_test.go

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package node
import (
"bytes"
"fmt"
"io/ioutil"
"testing"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/cli/internal/test"
"github.com/pkg/errors"
// Import builders to get the builder function as package function
. "github.com/docker/docker/cli/internal/test/builders"
"github.com/docker/docker/pkg/testutil/assert"
"github.com/docker/docker/pkg/testutil/golden"
)
func TestNodePsErrors(t *testing.T) {
testCases := []struct {
args []string
flags map[string]string
infoFunc func() (types.Info, error)
nodeInspectFunc func() (swarm.Node, []byte, error)
taskListFunc func(options types.TaskListOptions) ([]swarm.Task, error)
taskInspectFunc func(taskID string) (swarm.Task, []byte, error)
expectedError string
}{
{
infoFunc: func() (types.Info, error) {
return types.Info{}, errors.Errorf("error asking for node info")
},
expectedError: "error asking for node info",
},
{
args: []string{"nodeID"},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return swarm.Node{}, []byte{}, errors.Errorf("error inspecting the node")
},
expectedError: "error inspecting the node",
},
{
args: []string{"nodeID"},
taskListFunc: func(options types.TaskListOptions) ([]swarm.Task, error) {
return []swarm.Task{}, errors.Errorf("error returning the task list")
},
expectedError: "error returning the task list",
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := newPsCommand(
test.NewFakeCli(&fakeClient{
infoFunc: tc.infoFunc,
nodeInspectFunc: tc.nodeInspectFunc,
taskInspectFunc: tc.taskInspectFunc,
taskListFunc: tc.taskListFunc,
}, buf))
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
cmd.Flags().Set(key, value)
}
cmd.SetOutput(ioutil.Discard)
assert.Error(t, cmd.Execute(), tc.expectedError)
}
}
func TestNodePs(t *testing.T) {
testCases := []struct {
name string
args []string
flags map[string]string
infoFunc func() (types.Info, error)
nodeInspectFunc func() (swarm.Node, []byte, error)
taskListFunc func(options types.TaskListOptions) ([]swarm.Task, error)
taskInspectFunc func(taskID string) (swarm.Task, []byte, error)
}{
{
name: "simple",
args: []string{"nodeID"},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
taskListFunc: func(options types.TaskListOptions) ([]swarm.Task, error) {
return []swarm.Task{
*Task(WithStatus(Timestamp(time.Now().Add(-2*time.Hour)), PortStatus([]swarm.PortConfig{
{
TargetPort: 80,
PublishedPort: 80,
Protocol: "tcp",
},
}))),
}, nil
},
},
{
name: "with-errors",
args: []string{"nodeID"},
nodeInspectFunc: func() (swarm.Node, []byte, error) {
return *Node(), []byte{}, nil
},
taskListFunc: func(options types.TaskListOptions) ([]swarm.Task, error) {
return []swarm.Task{
*Task(TaskID("taskID1"), ServiceID("failure"),
WithStatus(Timestamp(time.Now().Add(-2*time.Hour)), StatusErr("a task error"))),
*Task(TaskID("taskID2"), ServiceID("failure"),
WithStatus(Timestamp(time.Now().Add(-3*time.Hour)), StatusErr("a task error"))),
*Task(TaskID("taskID3"), ServiceID("failure"),
WithStatus(Timestamp(time.Now().Add(-4*time.Hour)), StatusErr("a task error"))),
}, nil
},
},
}
for _, tc := range testCases {
buf := new(bytes.Buffer)
cmd := newPsCommand(
test.NewFakeCli(&fakeClient{
infoFunc: tc.infoFunc,
nodeInspectFunc: tc.nodeInspectFunc,
taskInspectFunc: tc.taskInspectFunc,
taskListFunc: tc.taskListFunc,
}, buf))
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
cmd.Flags().Set(key, value)
}
assert.NilError(t, cmd.Execute())
actual := buf.String()
expected := golden.Get(t, []byte(actual), fmt.Sprintf("node-ps.%s.golden", tc.name))
assert.EqualNormalizedString(t, assert.RemoveSpace, actual, string(expected))
}
}