DockerCLI/cli/command/image/inspect_test.go

89 lines
2.4 KiB
Go

package image
import (
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
"gotest.tools/golden"
)
func TestNewInspectCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
}{
{
name: "wrong-args",
args: []string{},
expectedError: "requires at least 1 argument.",
},
}
for _, tc := range testCases {
cmd := newInspectCommand(test.NewFakeCli(&fakeClient{}))
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestNewInspectCommandSuccess(t *testing.T) {
imageInspectInvocationCount := 0
testCases := []struct {
name string
args []string
imageCount int
imageInspectFunc func(image string) (types.ImageInspect, []byte, error)
}{
{
name: "simple",
args: []string{"image"},
imageCount: 1,
imageInspectFunc: func(image string) (types.ImageInspect, []byte, error) {
imageInspectInvocationCount++
assert.Check(t, is.Equal("image", image))
return types.ImageInspect{}, nil, nil
},
},
{
name: "format",
imageCount: 1,
args: []string{"--format='{{.ID}}'", "image"},
imageInspectFunc: func(image string) (types.ImageInspect, []byte, error) {
imageInspectInvocationCount++
return types.ImageInspect{ID: image}, nil, nil
},
},
{
name: "simple-many",
args: []string{"image1", "image2"},
imageCount: 2,
imageInspectFunc: func(image string) (types.ImageInspect, []byte, error) {
imageInspectInvocationCount++
if imageInspectInvocationCount == 1 {
assert.Check(t, is.Equal("image1", image))
} else {
assert.Check(t, is.Equal("image2", image))
}
return types.ImageInspect{}, nil, nil
},
},
}
for _, tc := range testCases {
imageInspectInvocationCount = 0
cli := test.NewFakeCli(&fakeClient{imageInspectFunc: tc.imageInspectFunc})
cmd := newInspectCommand(cli)
cmd.SetOutput(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("inspect-command-success.%s.golden", tc.name))
assert.Check(t, is.Equal(imageInspectInvocationCount, tc.imageCount))
}
}