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[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>
This commit is contained in:
kim
GitHub
parent
ec7c983e46
commit
a8254a40e7
5 changed files with 163 additions and 138 deletions
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@ -21,8 +21,7 @@ import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/rand"
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"io"
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"net/http"
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"net/http/httptest"
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"net/url"
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@ -42,9 +41,6 @@ import (
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"github.com/tomnomnom/linkheader"
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)
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// random reader according to current-time source seed.
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var randRd = rand.New(rand.NewSource(time.Now().Unix()))
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type FollowTestSuite struct {
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AccountStandardTestSuite
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}
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@ -76,33 +72,33 @@ func (suite *FollowTestSuite) TestFollowSelf() {
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defer result.Body.Close()
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// check the response
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b, err := ioutil.ReadAll(result.Body)
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b, err := io.ReadAll(result.Body)
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_ = b
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assert.NoError(suite.T(), err)
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}
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func (suite *FollowTestSuite) TestGetFollowersPageBackwardLimit2() {
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suite.testGetFollowersPage(2, "backward")
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func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit2() {
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suite.testGetFollowersPage(2, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowersPageBackwardLimit4() {
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suite.testGetFollowersPage(4, "backward")
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func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit4() {
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suite.testGetFollowersPage(4, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowersPageBackwardLimit6() {
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suite.testGetFollowersPage(6, "backward")
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func (suite *FollowTestSuite) TestGetFollowersPageNewestToOldestLimit6() {
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suite.testGetFollowersPage(6, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowersPageForwardLimit2() {
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suite.testGetFollowersPage(2, "forward")
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func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit2() {
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suite.testGetFollowersPage(2, "oldestToNewest")
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}
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func (suite *FollowTestSuite) TestGetFollowersPageForwardLimit4() {
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suite.testGetFollowersPage(4, "forward")
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func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit4() {
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suite.testGetFollowersPage(4, "oldestToNewest")
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}
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func (suite *FollowTestSuite) TestGetFollowersPageForwardLimit6() {
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suite.testGetFollowersPage(6, "forward")
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func (suite *FollowTestSuite) TestGetFollowersPageOldestToNewestLimit6() {
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suite.testGetFollowersPage(6, "oldestToNewest")
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}
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func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string) {
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@ -117,8 +113,11 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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var i int
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for _, targetAccount := range suite.testAccounts {
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if targetAccount.ID == requestingAccount.ID {
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// Have each account in the testrig follow the account
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// that is requesting their followers from the API.
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for _, account := range suite.testAccounts {
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targetAccount := requestingAccount
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if account.ID == targetAccount.ID {
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// we cannot be our own target...
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continue
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}
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@ -132,9 +131,9 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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ID: id,
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CreatedAt: now,
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UpdatedAt: now,
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URI: fmt.Sprintf("%s/follow/%s", targetAccount.URI, id),
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AccountID: targetAccount.ID,
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TargetAccountID: requestingAccount.ID,
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URI: fmt.Sprintf("%s/follow/%s", account.URI, id),
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AccountID: account.ID,
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TargetAccountID: targetAccount.ID,
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})
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suite.NoError(err)
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@ -152,15 +151,17 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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var query string
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switch direction {
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case "backward":
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// Set the starting query to page backward from newest.
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case "newestToOldest":
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// Set the starting query to page from
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// newest (ie., first entry in slice).
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acc := expectAccounts[0].(*model.Account)
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newest, _ := suite.db.GetFollow(ctx, acc.ID, requestingAccount.ID)
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expectAccounts = expectAccounts[1:]
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query = fmt.Sprintf("limit=%d&max_id=%s", limit, newest.ID)
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case "forward":
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// Set the starting query to page forward from the oldest.
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case "oldestToNewest":
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// Set the starting query to page from
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// oldest (ie., last entry in slice).
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acc := expectAccounts[len(expectAccounts)-1].(*model.Account)
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oldest, _ := suite.db.GetFollow(ctx, acc.ID, requestingAccount.ID)
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expectAccounts = expectAccounts[:len(expectAccounts)-1]
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@ -208,9 +209,9 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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)
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switch direction {
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case "backward":
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// When paging backwards (DESC) we:
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// - iter from end of received accounts
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case "newestToOldest":
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// When paging newest to oldest (ie., first page to last page):
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// - iter from start of received accounts
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// - iterate backward through received accounts
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// - stop when we reach last index of received accounts
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// - compare each received with the first index of expected accounts
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@ -221,8 +222,8 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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expect = func(i []interface{}) interface{} { return i[0] }
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trunc = func(i []interface{}) []interface{} { return i[1:] }
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case "forward":
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// When paging forwards (ASC) we:
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case "oldestToNewest":
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// When paging oldest to newest (ie., last page to first page):
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// - iter from end of received accounts
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// - iterate backward through received accounts
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// - stop when we reach first index of received accounts
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@ -230,7 +231,7 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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// - after each compare, drop the last index of expected accounts
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start = func(i []*model.Account) int { return len(i) - 1 }
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iter = func(i int) int { return i - 1 }
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check = func(idx int, i []*model.Account) bool { return idx >= 0 }
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check = func(idx int, _ []*model.Account) bool { return idx >= 0 }
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expect = func(i []interface{}) interface{} { return i[len(i)-1] }
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trunc = func(i []interface{}) []interface{} { return i[:len(i)-1] }
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}
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@ -256,7 +257,14 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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// Parse response link header values.
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values := result.Header.Values("Link")
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links := linkheader.ParseMultiple(values)
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filteredLinks := links.FilterByRel("next")
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var filteredLinks linkheader.Links
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if direction == "newestToOldest" {
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filteredLinks = links.FilterByRel("next")
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} else {
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filteredLinks = links.FilterByRel("prev")
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}
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suite.NotEmpty(filteredLinks, "no next link provided with more remaining accounts on page=%d", p)
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// A ref link header was set.
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@ -271,28 +279,28 @@ func (suite *FollowTestSuite) testGetFollowersPage(limit int, direction string)
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}
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}
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func (suite *FollowTestSuite) TestGetFollowingPageBackwardLimit2() {
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suite.testGetFollowingPage(2, "backward")
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func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit2() {
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suite.testGetFollowingPage(2, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowingPageBackwardLimit4() {
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suite.testGetFollowingPage(4, "backward")
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func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit4() {
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suite.testGetFollowingPage(4, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowingPageBackwardLimit6() {
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suite.testGetFollowingPage(6, "backward")
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func (suite *FollowTestSuite) TestGetFollowingPageNewestToOldestLimit6() {
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suite.testGetFollowingPage(6, "newestToOldest")
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}
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func (suite *FollowTestSuite) TestGetFollowingPageForwardLimit2() {
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suite.testGetFollowingPage(2, "forward")
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func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit2() {
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suite.testGetFollowingPage(2, "oldestToNewest")
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}
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func (suite *FollowTestSuite) TestGetFollowingPageForwardLimit4() {
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suite.testGetFollowingPage(4, "forward")
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func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit4() {
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suite.testGetFollowingPage(4, "oldestToNewest")
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}
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func (suite *FollowTestSuite) TestGetFollowingPageForwardLimit6() {
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suite.testGetFollowingPage(6, "forward")
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func (suite *FollowTestSuite) TestGetFollowingPageOldestToNewestLimit6() {
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suite.testGetFollowingPage(6, "oldestToNewest")
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}
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func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string) {
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@ -307,8 +315,11 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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var i int
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// Have the account that is requesting their following
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// list from the API follow each account in the testrig.
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for _, targetAccount := range suite.testAccounts {
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if targetAccount.ID == requestingAccount.ID {
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account := requestingAccount
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if targetAccount.ID == account.ID {
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// we cannot be our own target...
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continue
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}
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@ -322,8 +333,8 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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ID: id,
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CreatedAt: now,
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UpdatedAt: now,
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URI: fmt.Sprintf("%s/follow/%s", requestingAccount.URI, id),
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AccountID: requestingAccount.ID,
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URI: fmt.Sprintf("%s/follow/%s", account.URI, id),
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AccountID: account.ID,
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TargetAccountID: targetAccount.ID,
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})
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suite.NoError(err)
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@ -342,15 +353,17 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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var query string
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switch direction {
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case "backward":
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// Set the starting query to page backward from newest.
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case "newestToOldest":
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// Set the starting query to page from
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// newest (ie., first entry in slice).
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acc := expectAccounts[0].(*model.Account)
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newest, _ := suite.db.GetFollow(ctx, requestingAccount.ID, acc.ID)
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expectAccounts = expectAccounts[1:]
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query = fmt.Sprintf("limit=%d&max_id=%s", limit, newest.ID)
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case "forward":
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// Set the starting query to page forward from the oldest.
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case "oldestToNewest":
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// Set the starting query to page from
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// oldest (ie., last entry in slice).
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acc := expectAccounts[len(expectAccounts)-1].(*model.Account)
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oldest, _ := suite.db.GetFollow(ctx, requestingAccount.ID, acc.ID)
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expectAccounts = expectAccounts[:len(expectAccounts)-1]
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@ -397,9 +410,9 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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)
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switch direction {
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case "backward":
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// When paging backwards (DESC) we:
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// - iter from end of received accounts
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case "newestToOldest":
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// When paging newest to oldest (ie., first page to last page):
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// - iter from start of received accounts
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// - iterate backward through received accounts
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// - stop when we reach last index of received accounts
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// - compare each received with the first index of expected accounts
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@ -410,8 +423,8 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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expect = func(i []interface{}) interface{} { return i[0] }
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trunc = func(i []interface{}) []interface{} { return i[1:] }
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case "forward":
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// When paging forwards (ASC) we:
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case "oldestToNewest":
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// When paging oldest to newest (ie., last page to first page):
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// - iter from end of received accounts
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// - iterate backward through received accounts
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// - stop when we reach first index of received accounts
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@ -419,7 +432,7 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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// - after each compare, drop the last index of expected accounts
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start = func(i []*model.Account) int { return len(i) - 1 }
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iter = func(i int) int { return i - 1 }
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check = func(idx int, i []*model.Account) bool { return idx >= 0 }
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check = func(idx int, _ []*model.Account) bool { return idx >= 0 }
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expect = func(i []interface{}) interface{} { return i[len(i)-1] }
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trunc = func(i []interface{}) []interface{} { return i[:len(i)-1] }
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}
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@ -445,7 +458,14 @@ func (suite *FollowTestSuite) testGetFollowingPage(limit int, direction string)
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// Parse response link header values.
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values := result.Header.Values("Link")
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links := linkheader.ParseMultiple(values)
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filteredLinks := links.FilterByRel("next")
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var filteredLinks linkheader.Links
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if direction == "newestToOldest" {
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filteredLinks = links.FilterByRel("next")
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} else {
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filteredLinks = links.FilterByRel("prev")
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}
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suite.NotEmpty(filteredLinks, "no next link provided with more remaining accounts on page=%d", p)
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// A ref link header was set.
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