gotosocial/internal/api/client/accounts/follow_test.go
kim a8254a40e7
[bugfix] further paging mishaps (#2884)
* FURTHER paging shenanigans 🥲

* remove cursor logic from ToLinkURL()

* fix up paging tests

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>
2024-04-30 16:22:23 +02:00

505 lines
16 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package accounts_test
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/http/httptest"
"net/url"
"strconv"
"strings"
"testing"
"time"
"github.com/gin-gonic/gin"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"github.com/superseriousbusiness/gotosocial/internal/api/client/accounts"
"github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/oauth"
"github.com/superseriousbusiness/gotosocial/testrig"
"github.com/tomnomnom/linkheader"
)
type FollowTestSuite struct {
AccountStandardTestSuite
}
func (suite *FollowTestSuite) TestFollowSelf() {
testAcct := suite.testAccounts["local_account_1"]
recorder := httptest.NewRecorder()
ctx, _ := testrig.CreateGinTestContext(recorder, nil)
ctx.Set(oauth.SessionAuthorizedAccount, testAcct)
ctx.Set(oauth.SessionAuthorizedToken, oauth.DBTokenToToken(suite.testTokens["local_account_1"]))
ctx.Set(oauth.SessionAuthorizedApplication, suite.testApplications["application_1"])
ctx.Set(oauth.SessionAuthorizedUser, suite.testUsers["local_account_1"])
ctx.Request = httptest.NewRequest(http.MethodPost, fmt.Sprintf("http://localhost:8080%s", strings.Replace(accounts.FollowPath, ":id", testAcct.ID, 1)), nil)
ctx.Params = gin.Params{
gin.Param{
Key: accounts.IDKey,
Value: testAcct.ID,
},
}
// call the handler
suite.accountsModule.AccountFollowPOSTHandler(ctx)
// 1. status should be Not Acceptable due to self-follow attempt
suite.Equal(http.StatusNotAcceptable, recorder.Code)
result := recorder.Result()
defer result.Body.Close()
// check the response
b, err := io.ReadAll(result.Body)
_ = b
assert.NoError(suite.T(), err)
}
func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit2() {
suite.testGetFollowersPage(2, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit4() {
suite.testGetFollowersPage(4, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit6() {
suite.testGetFollowersPage(6, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit2() {
suite.testGetFollowersPage(2, "oldestToNewest")
}
func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit4() {
suite.testGetFollowersPage(4, "oldestToNewest")
}
func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit6() {
suite.testGetFollowersPage(6, "oldestToNewest")
}
func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string) {
ctx := context.Background()
// The authed local account we are going to use for HTTP requests
requestingAccount := suite.testAccounts["local_account_1"]
suite.clearAccountRelations(requestingAccount.ID)
// Get current time.
now := time.Now()
var i int
// Have each account in the testrig follow the account
// that is requesting their followers from the API.
for _, account := range suite.testAccounts {
targetAccount := requestingAccount
if account.ID == targetAccount.ID {
// we cannot be our own target...
continue
}
// Get next simple ID.
id := strconv.Itoa(i)
i++
// put a follow in the database
err := suite.db.PutFollow(ctx, &gtsmodel.Follow{
ID: id,
CreatedAt: now,
UpdatedAt: now,
URI: fmt.Sprintf("%s/follow/%s", account.URI, id),
AccountID: account.ID,
TargetAccountID: targetAccount.ID,
})
suite.NoError(err)
// Bump now by 1 second.
now = now.Add(time.Second)
}
// Get _ALL_ follows we expect to see without any paging (this filters invisible).
apiRsp, err := suite.processor.Account().FollowersGet(ctx, requestingAccount, requestingAccount.ID, nil)
suite.NoError(err)
expectAccounts := apiRsp.Items // interfaced{} account slice
// Iteratively set
// link query string.
var query string
switch direction {
case "newestToOldest":
// Set the starting query to page from
// newest (ie., first entry in slice).
acc := expectAccounts[0].(*model.Account)
newest, _ := suite.db.GetFollow(ctx, acc.ID, requestingAccount.ID)
expectAccounts = expectAccounts[1:]
query = fmt.Sprintf("limit=%d&max_id=%s", limit, newest.ID)
case "oldestToNewest":
// Set the starting query to page from
// oldest (ie., last entry in slice).
acc := expectAccounts[len(expectAccounts)-1].(*model.Account)
oldest, _ := suite.db.GetFollow(ctx, acc.ID, requestingAccount.ID)
expectAccounts = expectAccounts[:len(expectAccounts)-1]
query = fmt.Sprintf("limit=%d&min_id=%s", limit, oldest.ID)
}
for p := 0; ; p++ {
// Prepare new request for endpoint
recorder := httptest.NewRecorder()
endpoint := fmt.Sprintf("/api/v1/accounts/%s/followers", requestingAccount.ID)
ctx := suite.newContext(recorder, http.MethodGet, []byte{}, endpoint, "")
ctx.Params = gin.Params{{Key: "id", Value: requestingAccount.ID}}
ctx.Request.URL.RawQuery = query // setting provided next query value
// call the handler and check for valid response code.
suite.T().Logf("direction=%q page=%d query=%q", direction, p, query)
suite.accountsModule.AccountFollowersGETHandler(ctx)
suite.Equal(http.StatusOK, recorder.Code)
var accounts []*model.Account
// Decode response body into API account models
result := recorder.Result()
dec := json.NewDecoder(result.Body)
err := dec.Decode(&accounts)
suite.NoError(err)
_ = result.Body.Close()
var (
// start provides the starting index for loop in accounts.
start func([]*model.Account) int
// iter performs the loop iter step with index.
iter func(int) int
// check performs the loop conditional check against index and accounts.
check func(int, []*model.Account) bool
// expect pulls the next account to check against from expectAccounts.
expect func([]interface{}) interface{}
// trunc drops the last checked account from expectAccounts.
trunc func([]interface{}) []interface{}
)
switch direction {
case "newestToOldest":
// When paging newest to oldest (ie., first page to last page):
// - iter from start of received accounts
// - iterate backward through received accounts
// - stop when we reach last index of received accounts
// - compare each received with the first index of expected accounts
// - after each compare, drop the first index of expected accounts
start = func([]*model.Account) int { return 0 }
iter = func(i int) int { return i + 1 }
check = func(idx int, i []*model.Account) bool { return idx < len(i) }
expect = func(i []interface{}) interface{} { return i[0] }
trunc = func(i []interface{}) []interface{} { return i[1:] }
case "oldestToNewest":
// When paging oldest to newest (ie., last page to first page):
// - iter from end of received accounts
// - iterate backward through received accounts
// - stop when we reach first index of received accounts
// - compare each received with the last index of expected accounts
// - after each compare, drop the last index of expected accounts
start = func(i []*model.Account) int { return len(i) - 1 }
iter = func(i int) int { return i - 1 }
check = func(idx int, _ []*model.Account) bool { return idx >= 0 }
expect = func(i []interface{}) interface{} { return i[len(i)-1] }
trunc = func(i []interface{}) []interface{} { return i[:len(i)-1] }
}
for i := start(accounts); check(i, accounts); i = iter(i) {
// Get next expected account.
iface := expect(expectAccounts)
// Check that expected account matches received.
expectAccID := iface.(*model.Account).ID
receivdAccID := accounts[i].ID
suite.Equal(expectAccID, receivdAccID, "unexpected account at position in response on page=%d", p)
// Drop checked from expected accounts.
expectAccounts = trunc(expectAccounts)
}
if len(expectAccounts) == 0 {
// Reached end.
break
}
// Parse response link header values.
values := result.Header.Values("Link")
links := linkheader.ParseMultiple(values)
var filteredLinks linkheader.Links
if direction == "newestToOldest" {
filteredLinks = links.FilterByRel("next")
} else {
filteredLinks = links.FilterByRel("prev")
}
suite.NotEmpty(filteredLinks, "no next link provided with more remaining accounts on page=%d", p)
// A ref link header was set.
link := filteredLinks[0]
// Parse URI from URI string.
uri, err := url.Parse(link.URL)
suite.NoError(err)
// Set next raw query value.
query = uri.RawQuery
}
}
func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit2() {
suite.testGetFollowingPage(2, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit4() {
suite.testGetFollowingPage(4, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit6() {
suite.testGetFollowingPage(6, "newestToOldest")
}
func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit2() {
suite.testGetFollowingPage(2, "oldestToNewest")
}
func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit4() {
suite.testGetFollowingPage(4, "oldestToNewest")
}
func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit6() {
suite.testGetFollowingPage(6, "oldestToNewest")
}
func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string) {
ctx := context.Background()
// The authed local account we are going to use for HTTP requests
requestingAccount := suite.testAccounts["local_account_1"]
suite.clearAccountRelations(requestingAccount.ID)
// Get current time.
now := time.Now()
var i int
// Have the account that is requesting their following
// list from the API follow each account in the testrig.
for _, targetAccount := range suite.testAccounts {
account := requestingAccount
if targetAccount.ID == account.ID {
// we cannot be our own target...
continue
}
// Get next simple ID.
id := strconv.Itoa(i)
i++
// put a follow in the database
err := suite.db.PutFollow(ctx, &gtsmodel.Follow{
ID: id,
CreatedAt: now,
UpdatedAt: now,
URI: fmt.Sprintf("%s/follow/%s", account.URI, id),
AccountID: account.ID,
TargetAccountID: targetAccount.ID,
})
suite.NoError(err)
// Bump now by 1 second.
now = now.Add(time.Second)
}
// Get _ALL_ follows we expect to see without any paging (this filters invisible).
apiRsp, err := suite.processor.Account().FollowingGet(ctx, requestingAccount, requestingAccount.ID, nil)
suite.NoError(err)
expectAccounts := apiRsp.Items // interfaced{} account slice
// Iteratively set
// link query string.
var query string
switch direction {
case "newestToOldest":
// Set the starting query to page from
// newest (ie., first entry in slice).
acc := expectAccounts[0].(*model.Account)
newest, _ := suite.db.GetFollow(ctx, requestingAccount.ID, acc.ID)
expectAccounts = expectAccounts[1:]
query = fmt.Sprintf("limit=%d&max_id=%s", limit, newest.ID)
case "oldestToNewest":
// Set the starting query to page from
// oldest (ie., last entry in slice).
acc := expectAccounts[len(expectAccounts)-1].(*model.Account)
oldest, _ := suite.db.GetFollow(ctx, requestingAccount.ID, acc.ID)
expectAccounts = expectAccounts[:len(expectAccounts)-1]
query = fmt.Sprintf("limit=%d&min_id=%s", limit, oldest.ID)
}
for p := 0; ; p++ {
// Prepare new request for endpoint
recorder := httptest.NewRecorder()
endpoint := fmt.Sprintf("/api/v1/accounts/%s/following", requestingAccount.ID)
ctx := suite.newContext(recorder, http.MethodGet, []byte{}, endpoint, "")
ctx.Params = gin.Params{{Key: "id", Value: requestingAccount.ID}}
ctx.Request.URL.RawQuery = query // setting provided next query value
// call the handler and check for valid response code.
suite.T().Logf("direction=%q page=%d query=%q", direction, p, query)
suite.accountsModule.AccountFollowingGETHandler(ctx)
suite.Equal(http.StatusOK, recorder.Code)
var accounts []*model.Account
// Decode response body into API account models
result := recorder.Result()
dec := json.NewDecoder(result.Body)
err := dec.Decode(&accounts)
suite.NoError(err)
_ = result.Body.Close()
var (
// start provides the starting index for loop in accounts.
start func([]*model.Account) int
// iter performs the loop iter step with index.
iter func(int) int
// check performs the loop conditional check against index and accounts.
check func(int, []*model.Account) bool
// expect pulls the next account to check against from expectAccounts.
expect func([]interface{}) interface{}
// trunc drops the last checked account from expectAccounts.
trunc func([]interface{}) []interface{}
)
switch direction {
case "newestToOldest":
// When paging newest to oldest (ie., first page to last page):
// - iter from start of received accounts
// - iterate backward through received accounts
// - stop when we reach last index of received accounts
// - compare each received with the first index of expected accounts
// - after each compare, drop the first index of expected accounts
start = func([]*model.Account) int { return 0 }
iter = func(i int) int { return i + 1 }
check = func(idx int, i []*model.Account) bool { return idx < len(i) }
expect = func(i []interface{}) interface{} { return i[0] }
trunc = func(i []interface{}) []interface{} { return i[1:] }
case "oldestToNewest":
// When paging oldest to newest (ie., last page to first page):
// - iter from end of received accounts
// - iterate backward through received accounts
// - stop when we reach first index of received accounts
// - compare each received with the last index of expected accounts
// - after each compare, drop the last index of expected accounts
start = func(i []*model.Account) int { return len(i) - 1 }
iter = func(i int) int { return i - 1 }
check = func(idx int, _ []*model.Account) bool { return idx >= 0 }
expect = func(i []interface{}) interface{} { return i[len(i)-1] }
trunc = func(i []interface{}) []interface{} { return i[:len(i)-1] }
}
for i := start(accounts); check(i, accounts); i = iter(i) {
// Get next expected account.
iface := expect(expectAccounts)
// Check that expected account matches received.
expectAccID := iface.(*model.Account).ID
receivdAccID := accounts[i].ID
suite.Equal(expectAccID, receivdAccID, "unexpected account at position in response on page=%d", p)
// Drop checked from expected accounts.
expectAccounts = trunc(expectAccounts)
}
if len(expectAccounts) == 0 {
// Reached end.
break
}
// Parse response link header values.
values := result.Header.Values("Link")
links := linkheader.ParseMultiple(values)
var filteredLinks linkheader.Links
if direction == "newestToOldest" {
filteredLinks = links.FilterByRel("next")
} else {
filteredLinks = links.FilterByRel("prev")
}
suite.NotEmpty(filteredLinks, "no next link provided with more remaining accounts on page=%d", p)
// A ref link header was set.
link := filteredLinks[0]
// Parse URI from URI string.
uri, err := url.Parse(link.URL)
suite.NoError(err)
// Set next raw query value.
query = uri.RawQuery
}
}
func (suite *FollowTestSuite) clearAccountRelations(id string) {
// Esnure no account blocks exist between accounts.
_ = suite.db.DeleteAccountBlocks(
context.Background(),
id,
)
// Ensure no account follows exist between accounts.
_ = suite.db.DeleteAccountFollows(
context.Background(),
id,
)
// Ensure no account follow_requests exist between accounts.
_ = suite.db.DeleteAccountFollowRequests(
context.Background(),
id,
)
}
func TestFollowTestSuite(t *testing.T) {
suite.Run(t, new(FollowTestSuite))
}