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Add a basic test fetching thumbnail from _matrix/federation/v1/media/thumbnail #732

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Aug 22, 2024
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97 changes: 92 additions & 5 deletions tests/media_thumbnail_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -2,19 +2,24 @@ package tests

import (
"bytes"
"context"
"github.com/matrix-org/complement"
"github.com/matrix-org/complement/client"
"github.com/matrix-org/complement/federation"
"github.com/matrix-org/complement/helpers"
"github.com/matrix-org/complement/internal/data"
"github.com/matrix-org/complement/runtime"
"github.com/matrix-org/gomatrixserverlib/fclient"
"github.com/matrix-org/gomatrixserverlib/spec"
"image/jpeg"
"image/png"
"io"
"mime"
"mime/multipart"
"net/http"
"net/url"
"strings"
"testing"

"github.com/matrix-org/complement"
"github.com/matrix-org/complement/client"
"github.com/matrix-org/complement/helpers"
"github.com/matrix-org/complement/internal/data"
)

// TODO: add JPEG testing
Expand Down Expand Up @@ -68,6 +73,88 @@ func TestRemotePngThumbnail(t *testing.T) {
}
}

func TestFederationThumbnail(t *testing.T) {
runtime.SkipIf(t, runtime.Dendrite)

deployment := complement.Deploy(t, 1)
defer deployment.Destroy(t)

alice := deployment.Register(t, "hs1", helpers.RegistrationOpts{})

srv := federation.NewServer(t, deployment,
federation.HandleKeyRequests(),
)
cancel := srv.Listen()
defer cancel()
origin := spec.ServerName(srv.ServerName())

fileName := "test.png"
contentType := "image/png"

uri := alice.UploadContent(t, data.LargePng, fileName, contentType)
mediaOrigin, mediaId := client.SplitMxc(uri)

path := []string{"_matrix", "media", "v3", "thumbnail", mediaOrigin, mediaId}
res := alice.MustDo(t, "GET", path, client.WithQueries(url.Values{
"width": []string{"32"},
"height": []string{"32"},
"method": []string{"scale"},
}))

if res.StatusCode != 200 {
t.Fatalf("thumbnail request for uploaded file failed")
}

body, err := io.ReadAll(res.Body)
if err != nil {
t.Fatalf("thumbnail request for uploaded file failed: %s", err)
}

fedReq := fclient.NewFederationRequest(
"GET",
origin,
"hs1",
"/_matrix/federation/v1/media/thumbnail/"+mediaId+"?method=scale&width=32&height=32",
)

resp, err := srv.DoFederationRequest(context.Background(), t, deployment, fedReq)
if err != nil {
t.Fatalf("federation thumbnail request for uploaded file failed: %s", err)
}
if resp.StatusCode != http.StatusOK {
t.Fatalf("federation thumbnail request for uploaded file failed with status code: %v", resp.StatusCode)
}

resContentType := resp.Header.Get("Content-Type")
_, params, err := mime.ParseMediaType(resContentType)

if err != nil {
t.Fatalf("failed to parse multipart response: %s", err)
}

reader := multipart.NewReader(resp.Body, params["boundary"])
for {
p, err := reader.NextPart()
if err == io.EOF { // End of the multipart content
break
}
if err != nil {
t.Fatalf("failed to read multipart response: %s", err)
}

partContentType := p.Header.Get("Content-Type")
if partContentType == contentType {
imageBody, err := io.ReadAll(p)
if err != nil {
t.Fatalf("failed to read multipart part %s: %s", partContentType, err)
}
if !bytes.Equal(imageBody, body) {
t.Fatalf("body does not match uploaded file")
}
}
}
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Can we add a check after the loop to make sure that an image was actually included in the response, mostly to make it clear that we are actually checking the image. Just something like have_checked_image = true; ...; assert have_changed_image

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Right this is sorted - if you're happy with the change can you hit the merge button for me (as I no longer posses the power). Thanks so much!

}

func fetchAndValidateThumbnail(t *testing.T, c *client.CSAPI, mxcUri string, authenticated bool) {
t.Helper()

Expand Down
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