mirror of
https://github.com/restic/restic.git
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171 lines
3.9 KiB
Go
171 lines
3.9 KiB
Go
// Copyright 2017 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/http/httptest"
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"net/url"
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"strconv"
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"testing"
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"golang.org/x/net/context"
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crm "google.golang.org/api/cloudresourcemanager/v1"
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)
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//go:generate -command api go run gen.go docurls.go -install -api
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//go:generate api cloudresourcemanager:v1
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// A handler that mimics paging behavior.
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type pageHandler struct {
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param bool // is page token in a query param, or body?
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err error
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}
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const nPages = 3
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func (h *pageHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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v, err := url.ParseRequestURI(r.URL.RequestURI())
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if err != nil {
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h.err = err
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return
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}
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var pageToken string
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if h.param {
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pts := v.Query()["pageToken"]
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if len(pts) > 0 {
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pageToken = pts[0]
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}
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} else {
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d := json.NewDecoder(r.Body)
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req := struct{ PageToken *string }{&pageToken}
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if err := d.Decode(&req); err != nil {
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h.err = err
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return
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}
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}
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var start int
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if pageToken != "" {
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start, err = strconv.Atoi(pageToken)
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if err != nil {
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h.err = err
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return
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}
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}
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nextPageToken := ""
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if start+1 < nPages {
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nextPageToken = strconv.Itoa(start + 1)
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}
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fmt.Fprintf(w, `{"nextPageToken": %q}`, nextPageToken)
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}
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func TestPagesParam(t *testing.T) {
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handler := &pageHandler{param: true}
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server := httptest.NewServer(handler)
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defer server.Close()
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client := &http.Client{}
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s, err := crm.New(client)
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if err != nil {
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t.Fatal(err)
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}
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s.BasePath = server.URL
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ctx := context.Background()
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c := s.Projects.List()
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countPages := func() int {
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n := 0
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err = c.Pages(ctx, func(*crm.ListProjectsResponse) error {
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n++
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return nil
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})
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if err != nil {
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t.Fatal(err)
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}
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return n
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}
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// Pages traverses through all the pages.
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if got, want := countPages(), nPages; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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// Pages starts wherever the current page token is.
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c.PageToken("1")
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if got, want := countPages(), nPages-1; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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// Pages restores the initial state: we will again visit one fewer
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// page, because the initial page token was reset to "1".
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if got, want := countPages(), nPages-1; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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if handler.err != nil {
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t.Fatal(handler.err)
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}
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}
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func TestPagesRequestField(t *testing.T) {
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handler := &pageHandler{param: false}
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server := httptest.NewServer(handler)
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defer server.Close()
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client := &http.Client{}
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s, err := crm.New(client)
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if err != nil {
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t.Fatal(err)
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}
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s.BasePath = server.URL
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ctx := context.Background()
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c := s.Organizations.Search(&crm.SearchOrganizationsRequest{})
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countPages := func() int {
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n := 0
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err = c.Pages(ctx, func(*crm.SearchOrganizationsResponse) error {
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n++
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return nil
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})
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if err != nil {
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t.Fatal(err)
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}
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return n
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}
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// Pages traverses through all the pages.
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if got, want := countPages(), nPages; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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// Pages starts wherever the current page token is.
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c = s.Organizations.Search(&crm.SearchOrganizationsRequest{PageToken: "1"})
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if got, want := countPages(), nPages-1; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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// Pages restores the initial state: we will again visit one fewer
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// page, because the initial page token was reset to "1".
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if got, want := countPages(), nPages-1; got != want {
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t.Errorf("got %d pages, want %d", got, want)
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}
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}
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