Add test for add/remove WIP link display

tests/integration/pull_wip_convert_test.go

@@ -0,0 +1,59 @@
+// Copyright 2024 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"net/http"
+	"net/url"
+	"path"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPullWIPConvertSidebar(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		testRepo := "repo1"
+		branchOld := "master"
+		branchNew := "wip"
+		userOwner := "user2"
+		userUnrelated := "user4"
+		sessionOwner := loginUser(t, userOwner)         // Owner of the repo. Expected to see the offers.
+		sessionUnrelated := loginUser(t, userUnrelated) // Unrelated user. Not expected to see the offers.
+
+		// Create a branch with commit, open a PR and check who is seeing the Add WIP offering
+		testEditFileToNewBranch(t, sessionOwner, userOwner, testRepo, branchOld, branchNew, "README.md", "test of wip offering")
+		url := path.Join(userOwner, testRepo, "compare", branchOld+"..."+branchNew)
+		req := NewRequestWithValues(t, "POST", url,
+			map[string]string{
+				"_csrf": GetCSRF(t, sessionOwner, url),
+				"title": "pull used for testing wip offering",
+			},
+		)
+		sessionOwner.MakeRequest(t, req, http.StatusOK)
+		testPullWIPConvertSidebar(t, sessionOwner, userOwner, testRepo, "6", "Still in progress? Add WIP: prefix")
+		testPullWIPConvertSidebar(t, sessionUnrelated, userOwner, testRepo, "6", "")
+
+		// Add WIP: prefix and check who is seeing the Remove WIP offering
+		req = NewRequestWithValues(t, "POST", path.Join(userOwner, testRepo, "pulls/6/title"),
+			map[string]string{
+				"_csrf": GetCSRF(t, sessionOwner, path.Join(userOwner, testRepo, "pulls/6")),
+				"title": "WIP: pull used for testing wip offering",
+			},
+		)
+		sessionOwner.MakeRequest(t, req, http.StatusOK)
+		testPullWIPConvertSidebar(t, sessionOwner, userOwner, testRepo, "6", "Ready for review? Remove WIP: prefix")
+		testPullWIPConvertSidebar(t, sessionUnrelated, userOwner, testRepo, "6", "")
+	})
+}
+
+func testPullWIPConvertSidebar(t *testing.T, session *TestSession, user, repo, pullNum, expected string) {
+	t.Helper()
+	req := NewRequest(t, "GET", path.Join(user, repo, "pulls", pullNum))
+	resp := session.MakeRequest(t, req, http.StatusOK)
+	doc := NewHTMLParser(t, resp.Body)
+	text := strings.TrimSpace(doc.doc.Find(".toggle-wip a").Text())
+	assert.Equal(t, expected, text)
+}