144 lines
3.9 KiB
Go
144 lines
3.9 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package lfs
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import (
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"bytes"
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"context"
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"encoding/json"
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"io"
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"io/ioutil"
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"net/http"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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type RoundTripFunc func(req *http.Request) *http.Response
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func (f RoundTripFunc) RoundTrip(req *http.Request) (*http.Response, error) {
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return f(req), nil
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}
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type DummyTransferAdapter struct {
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}
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func (a *DummyTransferAdapter) Name() string {
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return "dummy"
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}
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func (a *DummyTransferAdapter) Download(ctx context.Context, r *ObjectResponse) (io.ReadCloser, error) {
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return ioutil.NopCloser(bytes.NewBufferString("dummy")), nil
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}
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func TestHTTPClientDownload(t *testing.T) {
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oid := "fb8f7d8435968c4f82a726a92395be4d16f2f63116caf36c8ad35c60831ab041"
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size := int64(6)
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roundTripHandler := func(req *http.Request) *http.Response {
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url := req.URL.String()
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if strings.Contains(url, "status-not-ok") {
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return &http.Response{StatusCode: http.StatusBadRequest}
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}
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if strings.Contains(url, "invalid-json-response") {
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return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(bytes.NewBufferString("invalid json"))}
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}
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if strings.Contains(url, "valid-batch-request-download") {
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assert.Equal(t, "POST", req.Method)
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assert.Equal(t, MediaType, req.Header.Get("Content-type"), "case %s: error should match", url)
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assert.Equal(t, MediaType, req.Header.Get("Accept"), "case %s: error should match", url)
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var batchRequest BatchRequest
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err := json.NewDecoder(req.Body).Decode(&batchRequest)
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assert.NoError(t, err)
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assert.Equal(t, "download", batchRequest.Operation)
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assert.Len(t, batchRequest.Objects, 1)
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assert.Equal(t, oid, batchRequest.Objects[0].Oid)
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assert.Equal(t, size, batchRequest.Objects[0].Size)
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batchResponse := &BatchResponse{
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Transfer: "dummy",
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Objects: make([]*ObjectResponse, 1),
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}
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payload := new(bytes.Buffer)
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json.NewEncoder(payload).Encode(batchResponse)
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return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(payload)}
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}
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if strings.Contains(url, "invalid-response-no-objects") {
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batchResponse := &BatchResponse{Transfer: "dummy"}
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payload := new(bytes.Buffer)
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json.NewEncoder(payload).Encode(batchResponse)
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return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(payload)}
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}
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if strings.Contains(url, "unknown-transfer-adapter") {
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batchResponse := &BatchResponse{Transfer: "unknown_adapter"}
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payload := new(bytes.Buffer)
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json.NewEncoder(payload).Encode(batchResponse)
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return &http.Response{StatusCode: http.StatusOK, Body: ioutil.NopCloser(payload)}
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}
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t.Errorf("Unknown test case: %s", url)
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return nil
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}
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hc := &http.Client{Transport: RoundTripFunc(roundTripHandler)}
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dummy := &DummyTransferAdapter{}
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var cases = []struct {
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endpoint string
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expectederror string
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}{
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// case 0
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{
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endpoint: "https://status-not-ok.io",
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expectederror: "Unexpected servers response: ",
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},
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// case 1
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{
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endpoint: "https://invalid-json-response.io",
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expectederror: "json.Decode: ",
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},
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// case 2
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{
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endpoint: "https://valid-batch-request-download.io",
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expectederror: "",
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},
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// case 3
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{
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endpoint: "https://invalid-response-no-objects.io",
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expectederror: "No objects in result",
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},
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// case 4
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{
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endpoint: "https://unknown-transfer-adapter.io",
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expectederror: "Transferadapter not found: ",
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},
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}
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for n, c := range cases {
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client := &HTTPClient{
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client: hc,
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endpoint: c.endpoint,
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transfers: make(map[string]TransferAdapter),
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}
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client.transfers["dummy"] = dummy
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_, err := client.Download(context.Background(), oid, size)
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if len(c.expectederror) > 0 {
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assert.True(t, strings.Contains(err.Error(), c.expectederror), "case %d: '%s' should contain '%s'", n, err.Error(), c.expectederror)
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} else {
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assert.NoError(t, err, "case %d", n)
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}
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}
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}
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