Add branch overiew page (#2108)

* Add branch overiew page

* fix changed method name on sub menu

* remove unused code

integrations/branches_test.go

@@ -0,0 +1,79 @@
+// 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"
+	"net/url"
+	"testing"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/Unknwon/i18n"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestViewBranches(t *testing.T) {
+	prepareTestEnv(t)
+
+	req := NewRequest(t, "GET", "/user2/repo1/branches")
+	resp := MakeRequest(t, req, http.StatusOK)
+
+	htmlDoc := NewHTMLParser(t, resp.Body)
+	_, exists := htmlDoc.doc.Find(".delete-branch-button").Attr("data-url")
+	assert.False(t, exists, "The template has changed")
+}
+
+func TestDeleteBranch(t *testing.T) {
+	prepareTestEnv(t)
+
+	deleteBranch(t)
+}
+
+func TestUndoDeleteBranch(t *testing.T) {
+	prepareTestEnv(t)
+
+	deleteBranch(t)
+	htmlDoc, name := branchAction(t, ".undo-button")
+	assert.Contains(t,
+		htmlDoc.doc.Find(".ui.positive.message").Text(),
+		i18n.Tr("en", "repo.branch.restore_success", name),
+	)
+}
+
+func deleteBranch(t *testing.T) {
+	htmlDoc, name := branchAction(t, ".delete-branch-button")
+	assert.Contains(t,
+		htmlDoc.doc.Find(".ui.positive.message").Text(),
+		i18n.Tr("en", "repo.branch.deletion_success", name),
+	)
+}
+
+func branchAction(t *testing.T, button string) (*HTMLDoc, string) {
+	session := loginUser(t, "user2")
+	req := NewRequest(t, "GET", "/user2/repo1/branches")
+	resp := session.MakeRequest(t, req, http.StatusOK)
+
+	htmlDoc := NewHTMLParser(t, resp.Body)
+	link, exists := htmlDoc.doc.Find(button).Attr("data-url")
+	assert.True(t, exists, "The template has changed")
+
+	htmlDoc = NewHTMLParser(t, resp.Body)
+	req = NewRequestWithValues(t, "POST", link, map[string]string{
+		"_csrf": getCsrf(htmlDoc.doc),
+	})
+	resp = session.MakeRequest(t, req, http.StatusOK)
+
+	url, err := url.Parse(link)
+	assert.NoError(t, err)
+	req = NewRequest(t, "GET", "/user2/repo1/branches")
+	resp = session.MakeRequest(t, req, http.StatusOK)
+
+	return NewHTMLParser(t, resp.Body), url.Query()["name"][0]
+}
+
+func getCsrf(doc *goquery.Document) string {
+	csrf, _ := doc.Find("meta[name=\"_csrf\"]").Attr("content")
+	return csrf
+}