Create new branch from branch selection dropdown (#2130)

* Create new branch from branch selection dropdown and rewrite it to VueJS

* Make updateLocalCopyToCommit as not exported

* Move branch name validation to model

* Fix possible race condition

1 files changed, 132 insertions, 0 deletions

diff --git a/integrations/repo_branch_test.go b/integrations/repo_branch_test.go
new file mode 100644
index 0000000000..32e24e83fb
--- /dev/null
+++ b/integrations/repo_branch_test.go
@@ -0,0 +1,132 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integrations
+
+import (
+	"net/http"
+	"path"
+	"strings"
+	"testing"
+
+	"github.com/Unknwon/i18n"
+	"github.com/stretchr/testify/assert"
+)
+
+func testCreateBranch(t *testing.T, session *TestSession, user, repo, oldRefName, newBranchName string, expectedStatus int) string {
+	var csrf string
+	if expectedStatus == http.StatusNotFound {
+		csrf = GetCSRF(t, session, path.Join(user, repo, "src/master"))
+	} else {
+		csrf = GetCSRF(t, session, path.Join(user, repo, "src", oldRefName))
+	}
+	req := NewRequestWithValues(t, "POST", path.Join(user, repo, "branches/_new", oldRefName), map[string]string{
+		"_csrf":           csrf,
+		"new_branch_name": newBranchName,
+	})
+	resp := session.MakeRequest(t, req, expectedStatus)
+	if expectedStatus != http.StatusFound {
+		return ""
+	}
+	return RedirectURL(t, resp)
+}
+
+func TestCreateBranch(t *testing.T) {
+	tests := []struct {
+		OldBranchOrCommit string
+		NewBranch         string
+		CreateRelease     string
+		FlashMessage      string
+		ExpectedStatus    int
+	}{
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "feature/test1",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.create_success", "feature/test1"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "form.NewBranchName") + i18n.Tr("en", "form.require_error"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "feature=test1",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "form.NewBranchName") + i18n.Tr("en", "form.git_ref_name_error"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         strings.Repeat("b", 101),
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "form.NewBranchName") + i18n.Tr("en", "form.max_size_error", "100"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "master",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.branch_already_exists", "master"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "master/test",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.branch_name_conflict", "master/test", "master"),
+		},
+		{
+			OldBranchOrCommit: "acd1d892867872cb47f3993468605b8aa59aa2e0",
+			NewBranch:         "feature/test2",
+			ExpectedStatus:    http.StatusNotFound,
+		},
+		{
+			OldBranchOrCommit: "65f1bf27bc3bf70f64657658635e66094edbcb4d",
+			NewBranch:         "feature/test3",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.create_success", "feature/test3"),
+		},
+		{
+			OldBranchOrCommit: "master",
+			NewBranch:         "v1.0.0",
+			CreateRelease:     "v1.0.0",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.tag_collision", "v1.0.0"),
+		},
+		{
+			OldBranchOrCommit: "v1.0.0",
+			NewBranch:         "feature/test4",
+			CreateRelease:     "v1.0.0",
+			ExpectedStatus:    http.StatusFound,
+			FlashMessage:      i18n.Tr("en", "repo.branch.create_success", "feature/test4"),
+		},
+	}
+	for _, test := range tests {
+		prepareTestEnv(t)
+		session := loginUser(t, "user2")
+		if test.CreateRelease != "" {
+			createNewRelease(t, session, "/user2/repo1", test.CreateRelease, test.CreateRelease, false, false)
+		}
+		redirectURL := testCreateBranch(t, session, "user2", "repo1", test.OldBranchOrCommit, test.NewBranch, test.ExpectedStatus)
+		if test.ExpectedStatus == http.StatusFound {
+			req := NewRequest(t, "GET", redirectURL)
+			resp := session.MakeRequest(t, req, http.StatusOK)
+			htmlDoc := NewHTMLParser(t, resp.Body)
+			assert.Equal(t,
+				test.FlashMessage,
+				strings.TrimSpace(htmlDoc.doc.Find(".ui.message").Text()),
+			)
+		}
+	}
+}
+
+func TestCreateBranchInvalidCSRF(t *testing.T) {
+	prepareTestEnv(t)
+	session := loginUser(t, "user2")
+	req := NewRequestWithValues(t, "POST", "user2/repo1/branches/_new/master", map[string]string{
+		"_csrf":           "fake_csrf",
+		"new_branch_name": "test",
+	})
+	session.MakeRequest(t, req, http.StatusBadRequest)
+}