constellation/cli/internal/cmd/configfetchmeasurements_test.go

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package cmd
import (
"bytes"
"io"
"net/http"
"net/url"
"testing"
"github.com/edgelesssys/constellation/internal/cloud/cloudprovider"
"github.com/edgelesssys/constellation/internal/config"
"github.com/edgelesssys/constellation/internal/constants"
"github.com/edgelesssys/constellation/internal/file"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func urlMustParse(raw string) *url.URL {
parsed, _ := url.Parse(raw)
return parsed
}
func TestParseFetchMeasurementsFlags(t *testing.T) {
testCases := map[string]struct {
urlFlag string
signatureURLFlag string
configFlag string
wantFlags *fetchMeasurementsFlags
wantErr bool
}{
"default": {
wantFlags: &fetchMeasurementsFlags{
measurementsURL: nil,
signatureURL: nil,
config: constants.ConfigFilename,
},
},
"url": {
urlFlag: "https://some.other.url/with/path",
signatureURLFlag: "https://some.other.url/with/path.sig",
wantFlags: &fetchMeasurementsFlags{
measurementsURL: urlMustParse("https://some.other.url/with/path"),
signatureURL: urlMustParse("https://some.other.url/with/path.sig"),
config: constants.ConfigFilename,
},
},
"broken url": {
urlFlag: "%notaurl%",
wantErr: true,
},
"config": {
configFlag: "someOtherConfig.yaml",
wantFlags: &fetchMeasurementsFlags{
config: "someOtherConfig.yaml",
},
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
cmd := newConfigFetchMeasurementsCmd()
cmd.Flags().String("config", constants.ConfigFilename, "") // register persisten flag manually
if tc.urlFlag != "" {
require.NoError(cmd.Flags().Set("url", tc.urlFlag))
}
if tc.signatureURLFlag != "" {
require.NoError(cmd.Flags().Set("signature-url", tc.signatureURLFlag))
}
if tc.configFlag != "" {
require.NoError(cmd.Flags().Set("config", tc.configFlag))
}
flags, err := parseFetchMeasurementsFlags(cmd)
if tc.wantErr {
assert.Error(err)
return
}
require.NoError(err)
assert.Equal(tc.wantFlags, flags)
})
}
}
func TestUpdateURLs(t *testing.T) {
testCases := map[string]struct {
conf *config.Config
flags *fetchMeasurementsFlags
wantMeasurementsURL string
wantMeasurementsSigURL string
}{
"both values nil": {
conf: &config.Config{
Provider: config.ProviderConfig{
GCP: &config.GCPConfig{
Image: "some/image/path/image-123456",
},
},
},
flags: &fetchMeasurementsFlags{},
wantMeasurementsURL: constants.S3PublicBucket + "some/image/path/image-123456/measurements.yaml",
wantMeasurementsSigURL: constants.S3PublicBucket + "some/image/path/image-123456/measurements.yaml.sig",
},
"both set by user": {
conf: &config.Config{},
flags: &fetchMeasurementsFlags{
measurementsURL: urlMustParse("get.my/measurements.yaml"),
signatureURL: urlMustParse("get.my/measurements.yaml.sig"),
},
wantMeasurementsURL: "get.my/measurements.yaml",
wantMeasurementsSigURL: "get.my/measurements.yaml.sig",
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
assert := assert.New(t)
err := tc.flags.updateURLs(tc.conf)
assert.NoError(err)
assert.Equal(tc.wantMeasurementsURL, tc.flags.measurementsURL.String())
})
}
}
// roundTripFunc .
type roundTripFunc func(req *http.Request) *http.Response
// RoundTrip .
func (f roundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
return f(req), nil
}
// newTestClient returns *http.Client with Transport replaced to avoid making real calls.
func newTestClient(fn roundTripFunc) *http.Client {
return &http.Client{
Transport: fn,
}
}
func TestConfigFetchMeasurements(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
measurements := `0: DzXCFGCNk8em5ornNZtKi+Wg6Z7qkQfs5CfE3qTkOc8=
1: PpZwsXLISi+uelbloy9u3m9M+X0/Br11g5cqq370Kxc=
2: PUWM/lXMA+ofRD8VYr7sjfUcdeFKn8+acjShPxmOeWk=
3: PUWM/lXMA+ofRD8VYr7sjfUcdeFKn8+acjShPxmOeWk=
4: C5/4ItGHR986BeUS7VNGD/wLltkAEOmw3sek9wA/QQs=
5: ZykPWLTRtSn5ImX6ZpHW7JpvwqN9M9L170FtEQl3PYg=
6: PUWM/lXMA+ofRD8VYr7sjfUcdeFKn8+acjShPxmOeWk=
7: UZcW+fhFRMpFkgU+EfKG2s3KdmgEA+TD2quLmthQHbo=
8: h4oDFRNoG+e3iig9KmrRZQUNfeCPpk2eqH3ZTpUikmw=
9: vODgwZQa0pm/my1oXAQWHv1ozwzMYGELX2eO44MoUlA=
10: TyOf7DchF2qkAYUBSZLQobvbsTx3GjYGKELTfAc2vRw=
`
signature := "MEUCIBQYbeZMYNPFTaD80fcjlm75eiwxxQ6xu0JM/H2Ha7dJAiEA1WVdnpX+NbsJLzc2lrvUQFztfaWoDA8A39pHsu1MG6c="
cmd := newConfigFetchMeasurementsCmd()
cmd.Flags().String("config", constants.ConfigFilename, "") // register persisten flag manually
fileHandler := file.NewHandler(afero.NewMemMapFs())
gcpConfig := config.Default()
gcpConfig.RemoveProviderExcept(cloudprovider.GCP)
gcpConfig.Provider.GCP.Image = "projects/constellation-images/global/images/constellation-coreos-1658216163"
err := fileHandler.WriteYAML(constants.ConfigFilename, gcpConfig, file.OptMkdirAll)
require.NoError(err)
client := newTestClient(func(req *http.Request) *http.Response {
if req.URL.String() == "https://public-edgeless-constellation.s3.us-east-2.amazonaws.com/projects/constellation-images/global/images/constellation-coreos-1658216163/measurements.yaml" {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewBufferString(measurements)),
Header: make(http.Header),
}
}
if req.URL.String() == "https://public-edgeless-constellation.s3.us-east-2.amazonaws.com/projects/constellation-images/global/images/constellation-coreos-1658216163/measurements.yaml.sig" {
return &http.Response{
StatusCode: http.StatusOK,
Body: io.NopCloser(bytes.NewBufferString(signature)),
Header: make(http.Header),
}
}
return &http.Response{
StatusCode: http.StatusNotFound,
Body: io.NopCloser(bytes.NewBufferString("Not found.")),
Header: make(http.Header),
}
})
assert.NoError(configFetchMeasurements(cmd, fileHandler, client))
}