add first integration function test

tests/integration/pull_merge_test.go

@@ -845,47 +845,76 @@ func TestPullMergeBranchProtect(t *testing.T) {
 	})
 }
 
-func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
-	onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
+func testPullAutoMergeAfterCommitStatusSucceed(t *testing.T, forkName string, approval, deleteBranch bool) {
 	// create a pull request
 	session := loginUser(t, "user1")
 	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-		forkedName := "repo1-1"
-		testRepoFork(t, session, "user2", "repo1", "user1", forkedName)
+	testRepoFork(t, session, "user2", "repo1", "user1", forkName)
 	defer func() {
-			testDeleteRepository(t, session, "user1", forkedName)
+		testDeleteRepository(t, session, "user1", forkName)
 	}()
-		testEditFile(t, session, "user1", forkedName, "master", "README.md", "Hello, World (Edited)\n")
-		testPullCreate(t, session, "user1", forkedName, false, "master", "master", "Indexer notifier test pull")
+	branchName := "master"
+	if deleteBranch {
+		branchName = "new_branch_1"
+		testEditFileToNewBranch(t, session, "user1", forkName, "master", branchName, "README.md", "Hello, World (Edited)\n")
+		testPullCreate(t, session, "user1", forkName, false, "master", branchName, "Indexer notifier test pull")
+	} else {
+		testEditFile(t, session, "user1", forkName, "master", "README.md", "Hello, World (Edited)\n")
+		testPullCreate(t, session, "user1", forkName, false, "master", branchName, "Indexer notifier test pull")
+	}
 
 	baseRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user2", Name: "repo1"})
-		forkedRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user1", Name: forkedName})
+	forkedRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user1", Name: forkName})
 	pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
 		BaseRepoID: baseRepo.ID,
 		BaseBranch: "master",
 		HeadRepoID: forkedRepo.ID,
-			HeadBranch: "master",
+		HeadBranch: branchName,
 	})
 
 	// add protected branch for commit status
 	csrf := GetCSRF(t, session, "/user2/repo1/settings/branches")
+
 	// Change master branch to protected
-		req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", map[string]string{
+	var reqParams map[string]string
+	if approval {
+		reqParams := map[string]string{
 			"_csrf":                 csrf,
 			"rule_name":             "master",
 			"enable_push":           "true",
 			"enable_status_check":   "true",
 			"status_check_contexts": "gitea/actions",
-		})
+			"required_approvals":    "1",
+		}
+	} else {
+		reqParams := map[string]string{
+			"_csrf":                 csrf,
+			"rule_name":             "master",
+			"enable_push":           "true",
+			"enable_status_check":   "true",
+			"status_check_contexts": "gitea/actions",
+		}
+	}
+
+	req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", reqParams)
 	session.MakeRequest(t, req, http.StatusSeeOther)
 
+	if deleteBranch {
+		// check if new branch exists
+		forkedGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, forkedRepo)
+		require.NoError(t, err)
+		newBranch, err := forkedGitRepo.GetBranch(branchName)
+		require.NoError(t, err)
+		assert.NotNil(t, newBranch)
+	}
+
 	// first time insert automerge record, return true
-		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+	scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", deleteBranch)
 	require.NoError(t, err)
 	assert.True(t, scheduled)
 
 	// second time insert automerge record, return false because it does exist
-		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+	scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", deleteBranch)
 	require.Error(t, err)
 	assert.False(t, scheduled)
 
@@ -919,86 +948,7 @@ func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
 
 	time.Sleep(2 * time.Second)
 
-		// realod pr again
-		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
-		assert.True(t, pr.HasMerged)
-		assert.NotEmpty(t, pr.MergedCommitID)
-
-		unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
-	})
-}
-
-func TestPullAutoMergeAfterCommitStatusSucceedAndApproval(t *testing.T) {
-	onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
-		// create a pull request
-		session := loginUser(t, "user1")
-		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
-		forkedName := "repo1-2"
-		testRepoFork(t, session, "user2", "repo1", "user1", forkedName)
-		defer func() {
-			testDeleteRepository(t, session, "user1", forkedName)
-		}()
-		testEditFile(t, session, "user1", forkedName, "master", "README.md", "Hello, World (Edited)\n")
-		testPullCreate(t, session, "user1", forkedName, false, "master", "master", "Indexer notifier test pull")
-
-		baseRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user2", Name: "repo1"})
-		forkedRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user1", Name: forkedName})
-		pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
-			BaseRepoID: baseRepo.ID,
-			BaseBranch: "master",
-			HeadRepoID: forkedRepo.ID,
-			HeadBranch: "master",
-		})
-
-		// add protected branch for commit status
-		csrf := GetCSRF(t, session, "/user2/repo1/settings/branches")
-		// Change master branch to protected
-		req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", map[string]string{
-			"_csrf":                 csrf,
-			"rule_name":             "master",
-			"enable_push":           "true",
-			"enable_status_check":   "true",
-			"status_check_contexts": "gitea/actions",
-			"required_approvals":    "1",
-		})
-		session.MakeRequest(t, req, http.StatusSeeOther)
-
-		// first time insert automerge record, return true
-		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
-		require.NoError(t, err)
-		assert.True(t, scheduled)
-
-		// second time insert automerge record, return false because it does exist
-		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
-		require.Error(t, err)
-		assert.False(t, scheduled)
-
-		// reload pr again
-		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
-		assert.False(t, pr.HasMerged)
-		assert.Empty(t, pr.MergedCommitID)
-
-		// update commit status to success, then it should be merged automatically
-		baseGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, baseRepo)
-		require.NoError(t, err)
-		sha, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
-		require.NoError(t, err)
-		masterCommitID, err := baseGitRepo.GetBranchCommitID("master")
-		require.NoError(t, err)
-		baseGitRepo.Close()
-		defer func() {
-			testResetRepo(t, baseRepo.RepoPath(), "master", masterCommitID)
-		}()
-
-		err = commitstatus_service.CreateCommitStatus(db.DefaultContext, baseRepo, user1, sha, &git_model.CommitStatus{
-			State:     api.CommitStatusSuccess,
-			TargetURL: "https://gitea.com",
-			Context:   "gitea/actions",
-		})
-		require.NoError(t, err)
-
-		time.Sleep(2 * time.Second)
-
+	if approval {
 		// reload pr again
 		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
 		assert.False(t, pr.HasMerged)
@@ -1012,13 +962,62 @@ func TestPullAutoMergeAfterCommitStatusSucceedAndApproval(t *testing.T) {
 		testSubmitReview(t, approveSession, htmlDoc.GetCSRF(), "user2", "repo1", strconv.Itoa(int(pr.Index)), sha, "approve", http.StatusOK)
 
 		time.Sleep(2 * time.Second)
+	}
 
-		// realod pr again
+	// reload pr again
 	pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
 	assert.True(t, pr.HasMerged)
 	assert.NotEmpty(t, pr.MergedCommitID)
 
 	unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
+
+	if deleteBranch {
+		// check if new branch got removed
+		forkedGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, forkedRepo)
+		require.NoError(t, err)
+		_, err = forkedGitRepo.GetBranch(branchName)
+		require.Error(t, err)
+		assert.True(t, git.IsErrBranchNotExist(err))
+	}
+}
+
+func TestPullAutoMergeAfterCommitStatusSucceed(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, giteaURL *url.URL) {
+		for _, testCase := range []struct {
+			name         string
+			forkName     string
+			approval     bool
+			deleteBranch bool
+		}{
+			{
+				name:         "TestPullAutoMergeAfterCommitStatusSucceed",
+				forkName:     "repo1-1",
+				approval:     false,
+				deleteBranch: false,
+			},
+			{
+				name:         "TestPullAutoMergeAfterCommitStatusSucceedWithBranchDeletion",
+				forkName:     "repo1-2",
+				approval:     false,
+				deleteBranch: true,
+			},
+			{
+				name:         "TestPullAutoMergeAfterCommitStatusSucceedAndApproval",
+				forkName:     "repo2-1",
+				approval:     true,
+				deleteBranch: false,
+			},
+			{
+				name:         "TestPullAutoMergeAfterCommitStatusSucceedAndApprovalWithBranchDeletion",
+				forkName:     "repo2-2",
+				approval:     true,
+				deleteBranch: true,
+			},
+		} {
+			t.Run(testCase.name, func(t *testing.T) {
+				testPullAutoMergeAfterCommitStatusSucceed(t, testCase.forkName, testCase.approval, testCase.deleteBranch)
+			})
+		}
 	})
 }
 
@@ -1093,12 +1092,12 @@ func TestPullAutoMergeAfterCommitStatusSucceedAndApprovalForAgitFlow(t *testing.
 
 		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
 		// first time insert automerge record, return true
-		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
 		require.NoError(t, err)
 		assert.True(t, scheduled)
 
 		// second time insert automerge record, return false because it does exist
-		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", false)
 		require.Error(t, err)
 		assert.False(t, scheduled)
 
@@ -1150,3 +1149,146 @@ func TestPullAutoMergeAfterCommitStatusSucceedAndApprovalForAgitFlow(t *testing.
 		unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
 	})
 }
+
+func TestPullAutoMergeWithBranchDeletionAfterCommitStatusSucceedAndApprovalForAgitFlow(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		// create a pull request
+		baseAPITestContext := NewAPITestContext(t, "user2", "repo1", auth_model.AccessTokenScopeWriteRepository, auth_model.AccessTokenScopeWriteUser)
+
+		dstPath := t.TempDir()
+
+		u.Path = baseAPITestContext.GitPath()
+		u.User = url.UserPassword("user2", userPassword)
+
+		t.Run("Clone", doGitClone(dstPath, u))
+
+		err := os.WriteFile(path.Join(dstPath, "test_file"), []byte("## test content"), 0o666)
+		require.NoError(t, err)
+
+		err = git.AddChanges(dstPath, true)
+		require.NoError(t, err)
+
+		err = git.CommitChanges(dstPath, git.CommitChangesOptions{
+			Committer: &git.Signature{
+				Email: "user2@example.com",
+				Name:  "user2",
+				When:  time.Now(),
+			},
+			Author: &git.Signature{
+				Email: "user2@example.com",
+				Name:  "user2",
+				When:  time.Now(),
+			},
+			Message: "Testing commit 1",
+		})
+		require.NoError(t, err)
+
+		stderrBuf := &bytes.Buffer{}
+
+		err = git.NewCommand(git.DefaultContext, "push", "origin", "HEAD:refs/for/master", "-o").
+			AddDynamicArguments(`topic=test/head2`).
+			AddArguments("-o").
+			AddDynamicArguments(`title="create a test pull request with agit"`).
+			AddArguments("-o").
+			AddDynamicArguments(`description="This PR is a test pull request which created with agit"`).
+			Run(&git.RunOpts{Dir: dstPath, Stderr: stderrBuf})
+		require.NoError(t, err)
+
+		assert.Contains(t, stderrBuf.String(), setting.AppURL+"user2/repo1/pulls/6")
+
+		baseRepo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{OwnerName: "user2", Name: "repo1"})
+		pr := unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{
+			Flow:       issues_model.PullRequestFlowAGit,
+			BaseRepoID: baseRepo.ID,
+			BaseBranch: "master",
+			HeadRepoID: baseRepo.ID,
+			HeadBranch: "user2/test/head2",
+		})
+
+		session := loginUser(t, "user1")
+		// add protected branch for commit status
+		csrf := GetCSRF(t, session, "/user2/repo1/settings/branches")
+		// Change master branch to protected
+		req := NewRequestWithValues(t, "POST", "/user2/repo1/settings/branches/edit", map[string]string{
+			"_csrf":                 csrf,
+			"rule_name":             "master",
+			"enable_push":           "true",
+			"enable_status_check":   "true",
+			"status_check_contexts": "gitea/actions",
+			"required_approvals":    "1",
+		})
+		session.MakeRequest(t, req, http.StatusSeeOther)
+
+		// check if new branch exists
+		baseGitRepo, err := gitrepo.OpenRepository(db.DefaultContext, baseRepo)
+		require.NoError(t, err)
+		newBranch, err := baseGitRepo.GetBranch("user2/test/head2")
+		require.NoError(t, err)
+		assert.NotNil(t, newBranch)
+
+		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
+		// first time insert automerge record, return true
+		scheduled, err := automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+		require.NoError(t, err)
+		assert.True(t, scheduled)
+
+		// second time insert automerge record, return false because it does exist
+		scheduled, err = automerge.ScheduleAutoMerge(db.DefaultContext, user1, pr, repo_model.MergeStyleMerge, "auto merge test", true)
+		require.Error(t, err)
+		assert.False(t, scheduled)
+
+		// reload pr again
+		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
+		assert.False(t, pr.HasMerged)
+		assert.Empty(t, pr.MergedCommitID)
+
+		// update commit status to success, then it should be merged automatically
+		baseGitRepo, err = gitrepo.OpenRepository(db.DefaultContext, baseRepo)
+		require.NoError(t, err)
+		sha, err := baseGitRepo.GetRefCommitID(pr.GetGitRefName())
+		require.NoError(t, err)
+		masterCommitID, err := baseGitRepo.GetBranchCommitID("master")
+		require.NoError(t, err)
+		baseGitRepo.Close()
+		defer func() {
+			testResetRepo(t, baseRepo.RepoPath(), "master", masterCommitID)
+		}()
+
+		err = commitstatus_service.CreateCommitStatus(db.DefaultContext, baseRepo, user1, sha, &git_model.CommitStatus{
+			State:     api.CommitStatusSuccess,
+			TargetURL: "https://gitea.com",
+			Context:   "gitea/actions",
+		})
+		require.NoError(t, err)
+
+		time.Sleep(2 * time.Second)
+
+		// reload pr again
+		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
+		assert.False(t, pr.HasMerged)
+		assert.Empty(t, pr.MergedCommitID)
+
+		// approve the PR from non-author
+		approveSession := loginUser(t, "user1")
+		req = NewRequest(t, "GET", fmt.Sprintf("/user2/repo1/pulls/%d", pr.Index))
+		resp := approveSession.MakeRequest(t, req, http.StatusOK)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+		testSubmitReview(t, approveSession, htmlDoc.GetCSRF(), "user2", "repo1", strconv.Itoa(int(pr.Index)), sha, "approve", http.StatusOK)
+
+		time.Sleep(2 * time.Second)
+
+		// realod pr again
+		pr = unittest.AssertExistsAndLoadBean(t, &issues_model.PullRequest{ID: pr.ID})
+		assert.True(t, pr.HasMerged)
+		assert.NotEmpty(t, pr.MergedCommitID)
+
+		unittest.AssertNotExistsBean(t, &pull_model.AutoMerge{PullID: pr.ID})
+
+		// check if new branch got removed
+		baseGitRepo, err = gitrepo.OpenRepository(db.DefaultContext, baseRepo)
+		require.NoError(t, err)
+		_, err = baseGitRepo.GetBranch("user2/test/head2")
+		require.Error(t, err)
+		assert.True(t, git.IsErrBranchNotExist(err))
+	})
+}