forgejo/tests/integration/pull_merge_test.go
Gergely Nagy fdda432d1e
[TESTS] Convert more tests to CreateDeclarativeRepo
These tests originate from Gitea, so may cause conflicts in the longer
run. But they use the same pattern, so transitioning them to the helper
is hopefully a benefit that offsets the risk.

Signed-off-by: Gergely Nagy <forgejo@gergo.csillger.hu>
(cherry picked from commit 2d475af494)
(cherry picked from commit a99c17729c)
2024-02-05 16:54:44 +01:00

498 lines
19 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package integration
import (
"bytes"
"context"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"os"
"path"
"strings"
"testing"
"time"
"code.gitea.io/gitea/models"
auth_model "code.gitea.io/gitea/models/auth"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
repo_model "code.gitea.io/gitea/models/repo"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/models/webhook"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/gitrepo"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/modules/translation"
"code.gitea.io/gitea/services/pull"
files_service "code.gitea.io/gitea/services/repository/files"
"github.com/stretchr/testify/assert"
)
func testPullMerge(t *testing.T, session *TestSession, user, repo, pullnum string, mergeStyle repo_model.MergeStyle, deleteBranch bool) *httptest.ResponseRecorder {
req := NewRequest(t, "GET", path.Join(user, repo, "pulls", pullnum))
resp := session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
link := path.Join(user, repo, "pulls", pullnum, "merge")
options := map[string]string{
"_csrf": htmlDoc.GetCSRF(),
"do": string(mergeStyle),
}
if deleteBranch {
options["delete_branch_after_merge"] = "on"
}
req = NewRequestWithValues(t, "POST", link, options)
resp = session.MakeRequest(t, req, http.StatusOK)
respJSON := struct {
Redirect string
}{}
DecodeJSON(t, resp, &respJSON)
assert.EqualValues(t, fmt.Sprintf("/%s/%s/pulls/%s", user, repo, pullnum), respJSON.Redirect)
return resp
}
func testPullCleanUp(t *testing.T, session *TestSession, user, repo, pullnum string) *httptest.ResponseRecorder {
req := NewRequest(t, "GET", path.Join(user, repo, "pulls", pullnum))
resp := session.MakeRequest(t, req, http.StatusOK)
// Click the little button to create a pull
htmlDoc := NewHTMLParser(t, resp.Body)
link, exists := htmlDoc.doc.Find(".timeline-item .delete-button").Attr("data-url")
assert.True(t, exists, "The template has changed, can not find delete button url")
req = NewRequestWithValues(t, "POST", link, map[string]string{
"_csrf": htmlDoc.GetCSRF(),
})
resp = session.MakeRequest(t, req, http.StatusOK)
return resp
}
func TestPullMerge(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
hookTasks, err := webhook.HookTasks(db.DefaultContext, 1, 1) // Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "master", "This is a pull title")
elem := strings.Split(test.RedirectURL(resp), "/")
assert.EqualValues(t, "pulls", elem[3])
testPullMerge(t, session, elem[1], elem[2], elem[4], repo_model.MergeStyleMerge, false)
hookTasks, err = webhook.HookTasks(db.DefaultContext, 1, 1)
assert.NoError(t, err)
assert.Len(t, hookTasks, hookTasksLenBefore+1)
})
}
func TestPullRebase(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
hookTasks, err := webhook.HookTasks(db.DefaultContext, 1, 1) // Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "master", "This is a pull title")
elem := strings.Split(test.RedirectURL(resp), "/")
assert.EqualValues(t, "pulls", elem[3])
testPullMerge(t, session, elem[1], elem[2], elem[4], repo_model.MergeStyleRebase, false)
hookTasks, err = webhook.HookTasks(db.DefaultContext, 1, 1)
assert.NoError(t, err)
assert.Len(t, hookTasks, hookTasksLenBefore+1)
})
}
func TestPullRebaseMerge(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
hookTasks, err := webhook.HookTasks(db.DefaultContext, 1, 1) // Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "master", "This is a pull title")
elem := strings.Split(test.RedirectURL(resp), "/")
assert.EqualValues(t, "pulls", elem[3])
testPullMerge(t, session, elem[1], elem[2], elem[4], repo_model.MergeStyleRebaseMerge, false)
hookTasks, err = webhook.HookTasks(db.DefaultContext, 1, 1)
assert.NoError(t, err)
assert.Len(t, hookTasks, hookTasksLenBefore+1)
})
}
func TestPullSquash(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
hookTasks, err := webhook.HookTasks(db.DefaultContext, 1, 1) // Retrieve previous hook number
assert.NoError(t, err)
hookTasksLenBefore := len(hookTasks)
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited!)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "master", "This is a pull title")
elem := strings.Split(test.RedirectURL(resp), "/")
assert.EqualValues(t, "pulls", elem[3])
testPullMerge(t, session, elem[1], elem[2], elem[4], repo_model.MergeStyleSquash, false)
hookTasks, err = webhook.HookTasks(db.DefaultContext, 1, 1)
assert.NoError(t, err)
assert.Len(t, hookTasks, hookTasksLenBefore+1)
})
}
func TestPullCleanUpAfterMerge(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "feature/test", "README.md", "Hello, World (Edited - TestPullCleanUpAfterMerge)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "feature/test", "This is a pull title")
elem := strings.Split(test.RedirectURL(resp), "/")
assert.EqualValues(t, "pulls", elem[3])
testPullMerge(t, session, elem[1], elem[2], elem[4], repo_model.MergeStyleMerge, false)
// Check PR branch deletion
resp = testPullCleanUp(t, session, elem[1], elem[2], elem[4])
respJSON := struct {
Redirect string
}{}
DecodeJSON(t, resp, &respJSON)
assert.NotEmpty(t, respJSON.Redirect, "Redirected URL is not found")
elem = strings.Split(respJSON.Redirect, "/")
assert.EqualValues(t, "pulls", elem[3])
// Check branch deletion result
req := NewRequest(t, "GET", respJSON.Redirect)
resp = session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
resultMsg := htmlDoc.doc.Find(".ui.message>p").Text()
assert.EqualValues(t, "Branch \"user1/repo1:feature/test\" has been deleted.", resultMsg)
})
}
func TestCantMergeWorkInProgress(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFile(t, session, "user1", "repo1", "master", "README.md", "Hello, World (Edited)\n")
resp := testPullCreate(t, session, "user1", "repo1", false, "master", "master", "[wip] This is a pull title")
req := NewRequest(t, "GET", test.RedirectURL(resp))
resp = session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
text := strings.TrimSpace(htmlDoc.doc.Find(".merge-section > .item").Last().Text())
assert.NotEmpty(t, text, "Can't find WIP text")
assert.Contains(t, text, translation.NewLocale("en-US").Tr("repo.pulls.cannot_merge_work_in_progress"), "Unable to find WIP text")
assert.Contains(t, text, "[wip]", "Unable to find WIP text")
})
}
func TestCantMergeConflict(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "conflict", "README.md", "Hello, World (Edited Once)\n")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "base", "README.md", "Hello, World (Edited Twice)\n")
// Use API to create a conflicting pr
token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository)
req := NewRequestWithJSON(t, http.MethodPost, fmt.Sprintf("/api/v1/repos/%s/%s/pulls", "user1", "repo1"), &api.CreatePullRequestOption{
Head: "conflict",
Base: "base",
Title: "create a conflicting pr",
}).AddTokenAuth(token)
session.MakeRequest(t, req, http.StatusCreated)
// Now this PR will be marked conflict - or at least a race will do - so drop down to pure code at this point...
user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{
Name: "user1",
})
repo1 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{
OwnerID: user1.ID,
Name: "repo1",
})
pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
HeadRepoID: repo1.ID,
BaseRepoID: repo1.ID,
HeadBranch: "conflict",
BaseBranch: "base",
})
gitRepo, err := gitrepo.OpenRepository(git.DefaultContext, repo1)
assert.NoError(t, err)
err = pull.Merge(context.Background(), pr, user1, gitRepo, repo_model.MergeStyleMerge, "", "CONFLICT", false)
assert.Error(t, err, "Merge should return an error due to conflict")
assert.True(t, models.IsErrMergeConflicts(err), "Merge error is not a conflict error")
err = pull.Merge(context.Background(), pr, user1, gitRepo, repo_model.MergeStyleRebase, "", "CONFLICT", false)
assert.Error(t, err, "Merge should return an error due to conflict")
assert.True(t, models.IsErrRebaseConflicts(err), "Merge error is not a conflict error")
gitRepo.Close()
})
}
func TestCantMergeUnrelated(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "base", "README.md", "Hello, World (Edited Twice)\n")
// Now we want to create a commit on a branch that is totally unrelated to our current head
// Drop down to pure code at this point
user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{
Name: "user1",
})
repo1 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{
OwnerID: user1.ID,
Name: "repo1",
})
path := repo_model.RepoPath(user1.Name, repo1.Name)
err := git.NewCommand(git.DefaultContext, "read-tree", "--empty").Run(&git.RunOpts{Dir: path})
assert.NoError(t, err)
stdin := bytes.NewBufferString("Unrelated File")
var stdout strings.Builder
err = git.NewCommand(git.DefaultContext, "hash-object", "-w", "--stdin").Run(&git.RunOpts{
Dir: path,
Stdin: stdin,
Stdout: &stdout,
})
assert.NoError(t, err)
sha := strings.TrimSpace(stdout.String())
_, _, err = git.NewCommand(git.DefaultContext, "update-index", "--add", "--replace", "--cacheinfo").AddDynamicArguments("100644", sha, "somewher-over-the-rainbow").RunStdString(&git.RunOpts{Dir: path})
assert.NoError(t, err)
treeSha, _, err := git.NewCommand(git.DefaultContext, "write-tree").RunStdString(&git.RunOpts{Dir: path})
assert.NoError(t, err)
treeSha = strings.TrimSpace(treeSha)
commitTimeStr := time.Now().Format(time.RFC3339)
doerSig := user1.NewGitSig()
env := append(os.Environ(),
"GIT_AUTHOR_NAME="+doerSig.Name,
"GIT_AUTHOR_EMAIL="+doerSig.Email,
"GIT_AUTHOR_DATE="+commitTimeStr,
"GIT_COMMITTER_NAME="+doerSig.Name,
"GIT_COMMITTER_EMAIL="+doerSig.Email,
"GIT_COMMITTER_DATE="+commitTimeStr,
)
messageBytes := new(bytes.Buffer)
_, _ = messageBytes.WriteString("Unrelated")
_, _ = messageBytes.WriteString("\n")
stdout.Reset()
err = git.NewCommand(git.DefaultContext, "commit-tree").AddDynamicArguments(treeSha).
Run(&git.RunOpts{
Env: env,
Dir: path,
Stdin: messageBytes,
Stdout: &stdout,
})
assert.NoError(t, err)
commitSha := strings.TrimSpace(stdout.String())
_, _, err = git.NewCommand(git.DefaultContext, "branch", "unrelated").AddDynamicArguments(commitSha).RunStdString(&git.RunOpts{Dir: path})
assert.NoError(t, err)
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "conflict", "README.md", "Hello, World (Edited Once)\n")
// Use API to create a conflicting pr
token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository)
req := NewRequestWithJSON(t, http.MethodPost, fmt.Sprintf("/api/v1/repos/%s/%s/pulls", "user1", "repo1"), &api.CreatePullRequestOption{
Head: "unrelated",
Base: "base",
Title: "create an unrelated pr",
}).AddTokenAuth(token)
session.MakeRequest(t, req, http.StatusCreated)
// Now this PR could be marked conflict - or at least a race may occur - so drop down to pure code at this point...
gitRepo, err := gitrepo.OpenRepository(git.DefaultContext, repo1)
assert.NoError(t, err)
pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
HeadRepoID: repo1.ID,
BaseRepoID: repo1.ID,
HeadBranch: "unrelated",
BaseBranch: "base",
})
err = pull.Merge(context.Background(), pr, user1, gitRepo, repo_model.MergeStyleMerge, "", "UNRELATED", false)
assert.Error(t, err, "Merge should return an error due to unrelated")
assert.True(t, models.IsErrMergeUnrelatedHistories(err), "Merge error is not a unrelated histories error")
gitRepo.Close()
})
}
func TestConflictChecking(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
// Create new clean repo to test conflict checking.
baseRepo, _, f := CreateDeclarativeRepo(t, user, "conflict-checking", nil, nil, nil)
defer f()
// create a commit on new branch.
_, err := files_service.ChangeRepoFiles(git.DefaultContext, baseRepo, user, &files_service.ChangeRepoFilesOptions{
Files: []*files_service.ChangeRepoFile{
{
Operation: "create",
TreePath: "important_file",
ContentReader: strings.NewReader("Just a non-important file"),
},
},
Message: "Add a important file",
OldBranch: "main",
NewBranch: "important-secrets",
})
assert.NoError(t, err)
// create a commit on main branch.
_, err = files_service.ChangeRepoFiles(git.DefaultContext, baseRepo, user, &files_service.ChangeRepoFilesOptions{
Files: []*files_service.ChangeRepoFile{
{
Operation: "create",
TreePath: "important_file",
ContentReader: strings.NewReader("Not the same content :P"),
},
},
Message: "Add a important file",
OldBranch: "main",
NewBranch: "main",
})
assert.NoError(t, err)
// create Pull to merge the important-secrets branch into main branch.
pullIssue := &issues_model.Issue{
RepoID: baseRepo.ID,
Title: "PR with conflict!",
PosterID: user.ID,
Poster: user,
IsPull: true,
}
pullRequest := &issues_model.PullRequest{
HeadRepoID: baseRepo.ID,
BaseRepoID: baseRepo.ID,
HeadBranch: "important-secrets",
BaseBranch: "main",
HeadRepo: baseRepo,
BaseRepo: baseRepo,
Type: issues_model.PullRequestGitea,
}
err = pull.NewPullRequest(git.DefaultContext, baseRepo, pullIssue, nil, nil, pullRequest, nil)
assert.NoError(t, err)
issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{Title: "PR with conflict!"})
conflictingPR, err := issues_model.GetPullRequestByIssueID(db.DefaultContext, issue.ID)
assert.NoError(t, err)
// Ensure conflictedFiles is populated.
assert.Len(t, conflictingPR.ConflictedFiles, 1)
// Check if status is correct.
assert.Equal(t, issues_model.PullRequestStatusConflict, conflictingPR.Status)
// Ensure that mergeable returns false
assert.False(t, conflictingPR.Mergeable(db.DefaultContext))
})
}
func TestPullRetargetChildOnBranchDelete(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testEditFileToNewBranch(t, session, "user2", "repo1", "master", "base-pr", "README.md", "Hello, World\n(Edited - TestPullRetargetOnCleanup - base PR)\n")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "base-pr", "child-pr", "README.md", "Hello, World\n(Edited - TestPullRetargetOnCleanup - base PR)\n(Edited - TestPullRetargetOnCleanup - child PR)")
respBasePR := testPullCreate(t, session, "user2", "repo1", true, "master", "base-pr", "Base Pull Request")
elemBasePR := strings.Split(test.RedirectURL(respBasePR), "/")
assert.EqualValues(t, "pulls", elemBasePR[3])
respChildPR := testPullCreate(t, session, "user1", "repo1", false, "base-pr", "child-pr", "Child Pull Request")
elemChildPR := strings.Split(test.RedirectURL(respChildPR), "/")
assert.EqualValues(t, "pulls", elemChildPR[3])
testPullMerge(t, session, elemBasePR[1], elemBasePR[2], elemBasePR[4], repo_model.MergeStyleMerge, true)
// Check child PR
req := NewRequest(t, "GET", test.RedirectURL(respChildPR))
resp := session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
targetBranch := htmlDoc.doc.Find("#branch_target>a").Text()
prStatus := strings.TrimSpace(htmlDoc.doc.Find(".issue-title-meta>.issue-state-label").Text())
assert.EqualValues(t, "master", targetBranch)
assert.EqualValues(t, "Open", prStatus)
})
}
func TestPullDontRetargetChildOnWrongRepo(t *testing.T) {
onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
session := loginUser(t, "user1")
testRepoFork(t, session, "user2", "repo1", "user1", "repo1")
testEditFileToNewBranch(t, session, "user1", "repo1", "master", "base-pr", "README.md", "Hello, World\n(Edited - TestPullDontRetargetChildOnWrongRepo - base PR)\n")
testEditFileToNewBranch(t, session, "user1", "repo1", "base-pr", "child-pr", "README.md", "Hello, World\n(Edited - TestPullDontRetargetChildOnWrongRepo - base PR)\n(Edited - TestPullDontRetargetChildOnWrongRepo - child PR)")
respBasePR := testPullCreate(t, session, "user1", "repo1", false, "master", "base-pr", "Base Pull Request")
elemBasePR := strings.Split(test.RedirectURL(respBasePR), "/")
assert.EqualValues(t, "pulls", elemBasePR[3])
respChildPR := testPullCreate(t, session, "user1", "repo1", true, "base-pr", "child-pr", "Child Pull Request")
elemChildPR := strings.Split(test.RedirectURL(respChildPR), "/")
assert.EqualValues(t, "pulls", elemChildPR[3])
testPullMerge(t, session, elemBasePR[1], elemBasePR[2], elemBasePR[4], repo_model.MergeStyleMerge, true)
// Check child PR
req := NewRequest(t, "GET", test.RedirectURL(respChildPR))
resp := session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
targetBranch := htmlDoc.doc.Find("#branch_target>a").Text()
prStatus := strings.TrimSpace(htmlDoc.doc.Find(".issue-title-meta>.issue-state-label").Text())
assert.EqualValues(t, "base-pr", targetBranch)
assert.EqualValues(t, "Closed", prStatus)
})
}