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Add tests for completions that call the API
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Signed-off-by: Harald Albers <github@albersweb.de>
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@albers
albers committed Oct 22, 2024
1 parent a9a399a commit b0581cf
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Showing 2 changed files with 225 additions and 8 deletions.
68 changes: 60 additions & 8 deletions cli/command/system/client_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,30 +7,39 @@ import (
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/events"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/api/types/image"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/api/types/system"
"github.com/docker/docker/api/types/volume"
"github.com/docker/docker/client"
)

type fakeClient struct {
client.Client

version string
serverVersion func(ctx context.Context) (types.Version, error)
eventsFn func(context.Context, events.ListOptions) (<-chan events.Message, <-chan error)
containerListFunc func(context.Context, container.ListOptions) ([]container.Summary, error)
containerPruneFunc func(ctx context.Context, pruneFilters filters.Args) (container.PruneReport, error)
eventsFn func(context.Context, events.ListOptions) (<-chan events.Message, <-chan error)
imageListFunc func(ctx context.Context, options image.ListOptions) ([]image.Summary, error)
infoFunc func(ctx context.Context) (system.Info, error)
networkListFunc func(ctx context.Context, options network.ListOptions) ([]network.Summary, error)
networkPruneFunc func(ctx context.Context, pruneFilter filters.Args) (network.PruneReport, error)
}

func (cli *fakeClient) ServerVersion(ctx context.Context) (types.Version, error) {
return cli.serverVersion(ctx)
nodeListFunc func(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error)
serverVersion func(ctx context.Context) (types.Version, error)
volumeListFunc func(ctx context.Context, options volume.ListOptions) (volume.ListResponse, error)
}

func (cli *fakeClient) ClientVersion() string {
return cli.version
}

func (cli *fakeClient) Events(ctx context.Context, opts events.ListOptions) (<-chan events.Message, <-chan error) {
return cli.eventsFn(ctx, opts)
func (cli *fakeClient) ContainerList(ctx context.Context, options container.ListOptions) ([]container.Summary, error) {
if cli.containerListFunc != nil {
return cli.containerListFunc(ctx, options)
}
return []container.Summary{}, nil
}

func (cli *fakeClient) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (container.PruneReport, error) {
Expand All @@ -40,9 +49,52 @@ func (cli *fakeClient) ContainersPrune(ctx context.Context, pruneFilters filters
return container.PruneReport{}, nil
}

func (cli *fakeClient) Events(ctx context.Context, opts events.ListOptions) (<-chan events.Message, <-chan error) {
return cli.eventsFn(ctx, opts)
}

func (cli *fakeClient) ImageList(ctx context.Context, options image.ListOptions) ([]image.Summary, error) {
if cli.imageListFunc != nil {
return cli.imageListFunc(ctx, options)
}
return []image.Summary{}, nil
}

func (cli *fakeClient) Info(ctx context.Context) (system.Info, error) {
if cli.infoFunc != nil {
return cli.infoFunc(ctx)
}
return system.Info{}, nil
}

func (cli *fakeClient) NetworkList(ctx context.Context, options network.ListOptions) ([]network.Summary, error) {
if cli.networkListFunc != nil {
return cli.networkListFunc(ctx, options)
}
return []network.Summary{}, nil
}

func (cli *fakeClient) NetworksPrune(ctx context.Context, pruneFilter filters.Args) (network.PruneReport, error) {
if cli.networkPruneFunc != nil {
return cli.networkPruneFunc(ctx, pruneFilter)
}
return network.PruneReport{}, nil
}

func (cli *fakeClient) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error) {
if cli.nodeListFunc != nil {
return cli.nodeListFunc(ctx, options)
}
return []swarm.Node{}, nil
}

func (cli *fakeClient) ServerVersion(ctx context.Context) (types.Version, error) {
return cli.serverVersion(ctx)
}

func (cli *fakeClient) VolumeList(ctx context.Context, options volume.ListOptions) (volume.ListResponse, error) {
if cli.volumeListFunc != nil {
return cli.volumeListFunc(ctx, options)
}
return volume.ListResponse{}, nil
}
165 changes: 165 additions & 0 deletions cli/command/system/completion_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,165 @@
package system

import (
"context"
"errors"
"fmt"
"testing"

"github.com/docker/cli/internal/test"
"github.com/docker/cli/internal/test/builders"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/image"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/api/types/system"
"github.com/docker/docker/api/types/volume"
"github.com/spf13/cobra"
"gotest.tools/v3/assert"
)

func TestCompleteEventFilter(t *testing.T) {
tests := []struct {
client *fakeClient
toComplete string
expected []string
}{
{
client: &fakeClient{
containerListFunc: func(_ context.Context, _ container.ListOptions) ([]container.Summary, error) {
return []container.Summary{
*builders.Container("c1"),
*builders.Container("c2"),
}, nil
},
},
toComplete: "container=",
expected: []string{"container=c1", "container=c2"},
},
{
client: &fakeClient{
containerListFunc: func(_ context.Context, _ container.ListOptions) ([]container.Summary, error) {
return nil, errors.New("API error")
},
},
toComplete: "container=",
expected: []string{},
},
{
client: &fakeClient{
infoFunc: func(ctx context.Context) (system.Info, error) {
return system.Info{
ID: "daemon-id",
Name: "daemon-name",
}, nil
},
},
toComplete: "daemon=",
expected: []string{"daemon=daemon-name", "daemon=daemon-id"},
},
{
client: &fakeClient{
infoFunc: func(ctx context.Context) (system.Info, error) {
return system.Info{}, errors.New("API error")
},
},
toComplete: "daemon=",
expected: []string{},
},
{
client: &fakeClient{
imageListFunc: func(_ context.Context, _ image.ListOptions) ([]image.Summary, error) {
return []image.Summary{
{RepoTags: []string{"img:1"}},
{RepoTags: []string{"img:2"}},
}, nil
},
},
toComplete: "image=",
expected: []string{"image=img:1", "image=img:2"},
},
{
client: &fakeClient{
imageListFunc: func(_ context.Context, _ image.ListOptions) ([]image.Summary, error) {
return []image.Summary{}, errors.New("API error")
},
},
toComplete: "image=",
expected: []string{},
},
{
client: &fakeClient{
networkListFunc: func(_ context.Context, _ network.ListOptions) ([]network.Summary, error) {
return []network.Summary{
*builders.NetworkResource(builders.NetworkResourceName("nw1")),
*builders.NetworkResource(builders.NetworkResourceName("nw2")),
}, nil
},
},
toComplete: "network=",
expected: []string{"network=nw1", "network=nw2"},
},
{
client: &fakeClient{
networkListFunc: func(_ context.Context, _ network.ListOptions) ([]network.Summary, error) {
return nil, errors.New("API error")
},
},
toComplete: "network=",
expected: []string{},
},
{
client: &fakeClient{
nodeListFunc: func(_ context.Context, _ types.NodeListOptions) ([]swarm.Node, error) {
return []swarm.Node{
*builders.Node(builders.Hostname("n1")),
}, nil
},
},
toComplete: "node=",
expected: []string{"node=n1"},
},
{
client: &fakeClient{
nodeListFunc: func(_ context.Context, _ types.NodeListOptions) ([]swarm.Node, error) {
return []swarm.Node{}, errors.New("API error")
},
},
toComplete: "node=",
expected: []string{},
},
{
client: &fakeClient{
volumeListFunc: func(ctx context.Context, options volume.ListOptions) (volume.ListResponse, error) {
return volume.ListResponse{
Volumes: []*volume.Volume{
builders.Volume(builders.VolumeName("v1")),
builders.Volume(builders.VolumeName("v2")),
},
}, nil
},
},
toComplete: "volume=",
expected: []string{"volume=v1", "volume=v2"},
},
{
client: &fakeClient{
volumeListFunc: func(ctx context.Context, options volume.ListOptions) (volume.ListResponse, error) {
return volume.ListResponse{}, errors.New("API error")
},
},
toComplete: "volume=",
expected: []string{},
},
}

for _, tc := range tests {
cli := test.NewFakeCli(tc.client)

completions, directive := completeFilters(cli)(NewEventsCommand(cli), nil, tc.toComplete)

assert.DeepEqual(t, completions, tc.expected)
assert.Equal(t, directive, cobra.ShellCompDirectiveNoFileComp, fmt.Sprintf("wrong directive in completion for '%s'", tc.toComplete))
}
}

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