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feat: --compression-level for gzip responses
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| package frisbii_test | ||
|
|
||
| import ( | ||
| "compress/gzip" | ||
| "context" | ||
| "io" | ||
| "math/rand" | ||
| "net/http" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/ipfs/go-cid" | ||
| unixfstestutil "github.com/ipfs/go-unixfsnode/testutil" | ||
| "github.com/ipld/frisbii" | ||
| "github.com/ipld/go-car/v2" | ||
| unixfsgen "github.com/ipld/go-fixtureplate/generator" | ||
| cidlink "github.com/ipld/go-ipld-prime/linking/cid" | ||
| "github.com/ipld/go-ipld-prime/storage/memstore" | ||
| "github.com/ipld/go-trustless-utils/testutil" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestFrisbiiServer(t *testing.T) { | ||
| testCases := []struct { | ||
| name string | ||
| acceptGzip bool | ||
| noClientCompression bool | ||
| serverCompressionLevel int | ||
| expectGzip bool | ||
| }{ | ||
| { | ||
| name: "default", | ||
| }, | ||
| { | ||
| name: "no client compression (no server gzip)", | ||
| noClientCompression: true, | ||
| serverCompressionLevel: gzip.NoCompression, | ||
| expectGzip: false, | ||
| }, | ||
| { | ||
| name: "no client compression (with server gzip)", | ||
| noClientCompression: true, | ||
| serverCompressionLevel: gzip.DefaultCompression, | ||
| expectGzip: false, | ||
| }, | ||
| { | ||
| name: "gzip (with server 1)", | ||
| acceptGzip: true, | ||
| serverCompressionLevel: gzip.BestSpeed, | ||
| expectGzip: true, | ||
| }, | ||
| { | ||
| name: "gzip (with server 9)", | ||
| acceptGzip: true, | ||
| serverCompressionLevel: gzip.BestCompression, | ||
| expectGzip: true, | ||
| }, | ||
| { | ||
| name: "gzip (no server gzip)", | ||
| acceptGzip: true, | ||
| serverCompressionLevel: gzip.NoCompression, | ||
| expectGzip: false, | ||
| }, | ||
| { | ||
| name: "gzip transparent (no server gzip)", | ||
| serverCompressionLevel: gzip.NoCompression, | ||
| expectGzip: false, | ||
| }, | ||
| { | ||
| name: "gzip transparent (with server gzip)", | ||
| serverCompressionLevel: gzip.DefaultCompression, | ||
| expectGzip: true, | ||
| }, | ||
| } | ||
|
|
||
| rndSeed := time.Now().UTC().UnixNano() | ||
| t.Logf("random seed: %d", rndSeed) | ||
| var rndReader io.Reader = rand.New(rand.NewSource(rndSeed)) | ||
|
|
||
| store := &testutil.CorrectedMemStore{ParentStore: &memstore.Store{Bag: make(map[string][]byte)}} | ||
| lsys := cidlink.DefaultLinkSystem() | ||
| lsys.SetReadStorage(store) | ||
| lsys.SetWriteStorage(store) | ||
| lsys.TrustedStorage = true | ||
|
|
||
| entity, err := unixfsgen.Parse("file:1MiB") | ||
| require.NoError(t, err) | ||
| t.Logf("Generating: %s", entity.Describe("")) | ||
| rootEnt, err := entity.Generate(lsys, rndReader) | ||
| require.NoError(t, err) | ||
|
|
||
| for _, tc := range testCases { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| req := require.New(t) | ||
| ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second) | ||
| defer cancel() | ||
|
|
||
| opts := []frisbii.HttpOption{} | ||
| if tc.serverCompressionLevel != gzip.NoCompression { | ||
| opts = append(opts, frisbii.WithCompressionLevel(tc.serverCompressionLevel)) | ||
| } | ||
| server, err := frisbii.NewFrisbiiServer(ctx, nil, lsys, "localhost:0", opts...) | ||
| req.NoError(err) | ||
| go func() { | ||
| req.NoError(server.Serve()) | ||
| }() | ||
| addr := server.Addr() | ||
|
|
||
| request, err := http.NewRequest("GET", "http://"+addr.String()+"/ipfs/"+rootEnt.Root.String(), nil) | ||
| request.Header.Set("Accept", "application/vnd.ipld.car") | ||
| if tc.acceptGzip { | ||
| request.Header.Set("Accept-Encoding", "gzip") | ||
| } | ||
| req.NoError(err) | ||
| request = request.WithContext(ctx) | ||
| client := &http.Client{Transport: &http.Transport{DisableCompression: tc.noClientCompression}} | ||
| response, err := client.Do(request) | ||
| req.NoError(err) | ||
| if response.StatusCode != http.StatusOK { | ||
| body, _ := io.ReadAll(response.Body) | ||
| req.Failf("wrong response code not received", "expected %d, got %d; body: [%s]", http.StatusOK, response.StatusCode, string(body)) | ||
| } | ||
|
|
||
| req.Equal("application/vnd.ipld.car;version=1;order=dfs;dups=y", response.Header.Get("Content-Type")) | ||
| req.Equal("Accept, Accept-Encoding", response.Header.Get("Vary")) | ||
|
|
||
| rdr := response.Body | ||
| if tc.expectGzip { | ||
| if tc.noClientCompression || tc.acceptGzip { // in either of these cases we expect to handle it ourselves | ||
| req.Equal("gzip", response.Header.Get("Content-Encoding")) | ||
| rdr, err = gzip.NewReader(response.Body) | ||
| req.NoError(err) | ||
| } // else should be handled by the go client | ||
| req.Regexp(`\.car\.\w{13}\.gz"$`, response.Header.Get("Etag")) | ||
| } else { | ||
| req.Regexp(`\.car\.\w{13}"$`, response.Header.Get("Etag")) | ||
| } | ||
| cr, err := car.NewBlockReader(rdr) | ||
| req.NoError(err) | ||
| req.Equal(cr.Version, uint64(1)) | ||
| req.Equal(cr.Roots, []cid.Cid{rootEnt.Root}) | ||
|
|
||
| wantCids := toCids(rootEnt) | ||
| gotCids := make([]cid.Cid, 0) | ||
| for { | ||
| blk, err := cr.Next() | ||
| if err != nil { | ||
| req.ErrorIs(err, io.EOF) | ||
| break | ||
| } | ||
| req.NoError(err) | ||
| gotCids = append(gotCids, blk.Cid()) | ||
| } | ||
| req.ElementsMatch(wantCids, gotCids) | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func toCids(e unixfstestutil.DirEntry) []cid.Cid { | ||
| cids := make([]cid.Cid, 0) | ||
| var r func(e unixfstestutil.DirEntry) | ||
| r = func(e unixfstestutil.DirEntry) { | ||
| cids = append(cids, e.SelfCids...) | ||
| for _, c := range e.Children { | ||
| r(c) | ||
| } | ||
| } | ||
| r(e) | ||
| return cids | ||
| } |
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