Kd/ci playwright go test (#20123)

* Add initial playwright config

* Simplify Makefile

* Simplify Makefile

* Use correct config files

* Update playwright settings

* Fix package-lock file

* Don't use test logger for e2e tests

* fix frontend lint

* Allow passing TEST_LOGGER variable

* Init postgres database

* use standard gitea env variables

* Update playwright

* update drone

* Move empty env var to commands

* Cleanup

* Move integrations to subfolder

* tests integrations to tests integraton

* Run e2e tests with go test

* Fix linting

* install CI deps

* Add files to ESlint

* Fix drone typo

* Don't log to console in CI

* Use go test http server

* Add build step before tests

* Move shared init function to common package

* fix drone

* Clean up tests

* Fix linting

* Better mocking for page + version string

* Cleanup test generation

* Remove dependency on gitea binary

* Fix linting

* add initial support for running specific tests

* Add ACCEPT_VISUAL variable

* don't require git-lfs

* Add initial documentation

* Review feedback

* Add logged in session test

* Attempt fixing drone race

* Cleanup and bump version

* Bump deps

* Review feedback

* simplify installation

* Fix ci

* Update install docs

tests/e2e/e2e_test.go

@@ -0,0 +1,120 @@
+// Copyright 2022 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.
+
+// This is primarily coped from /tests/integration/integration_test.go
+//   TODO: Move common functions to shared file
+
+package e2e
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"net/url"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/graceful"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/routers"
+	"code.gitea.io/gitea/tests"
+)
+
+var c *web.Route
+
+func TestMain(m *testing.M) {
+	defer log.Close()
+
+	managerCtx, cancel := context.WithCancel(context.Background())
+	graceful.InitManager(managerCtx)
+	defer cancel()
+
+	tests.InitTest(false)
+	c = routers.NormalRoutes(context.TODO())
+
+	os.Unsetenv("GIT_AUTHOR_NAME")
+	os.Unsetenv("GIT_AUTHOR_EMAIL")
+	os.Unsetenv("GIT_AUTHOR_DATE")
+	os.Unsetenv("GIT_COMMITTER_NAME")
+	os.Unsetenv("GIT_COMMITTER_EMAIL")
+	os.Unsetenv("GIT_COMMITTER_DATE")
+
+	err := unittest.InitFixtures(
+		unittest.FixturesOptions{
+			Dir: filepath.Join(filepath.Dir(setting.AppPath), "models/fixtures/"),
+		},
+	)
+	if err != nil {
+		fmt.Printf("Error initializing test database: %v\n", err)
+		os.Exit(1)
+	}
+
+	exitVal := m.Run()
+
+	tests.WriterCloser.Reset()
+
+	if err = util.RemoveAll(setting.Indexer.IssuePath); err != nil {
+		fmt.Printf("util.RemoveAll: %v\n", err)
+		os.Exit(1)
+	}
+	if err = util.RemoveAll(setting.Indexer.RepoPath); err != nil {
+		fmt.Printf("Unable to remove repo indexer: %v\n", err)
+		os.Exit(1)
+	}
+
+	os.Exit(exitVal)
+}
+
+// This should be the only test e2e necessary. It will collect all "*.test.e2e.js"
+//   files in this directory and build a test for each.
+func TestE2e(t *testing.T) {
+	// Find the paths of all e2e test files in test test directory.
+	searchGlob := filepath.Join(filepath.Dir(setting.AppPath), "tests", "e2e", "*.test.e2e.js")
+	paths, err := filepath.Glob(searchGlob)
+	if err != nil {
+		t.Fatal(err)
+	} else if len(paths) == 0 {
+		t.Fatal(fmt.Errorf("No e2e tests found in %s", searchGlob))
+	}
+
+	runArgs := []string{"npx", "playwright", "test"}
+
+	// To update snapshot outputs
+	if _, set := os.LookupEnv("ACCEPT_VISUAL"); set {
+		runArgs = append(runArgs, "--update-snapshots")
+	}
+
+	// Create new test for each input file
+	for _, path := range paths {
+		_, filename := filepath.Split(path)
+		testname := filename[:len(filename)-len(filepath.Ext(path))]
+
+		t.Run(testname, func(t *testing.T) {
+			// Default 2 minute timeout
+			onGiteaRun(t, func(*testing.T, *url.URL) {
+				cmd := exec.Command(runArgs[0], runArgs...)
+				cmd.Env = os.Environ()
+				cmd.Env = append(cmd.Env, fmt.Sprintf("GITEA_URL=%s", setting.AppURL))
+				var stdout, stderr bytes.Buffer
+				cmd.Stdout = &stdout
+				cmd.Stderr = &stderr
+				err := cmd.Run()
+				if err != nil {
+					// Currently colored output is conflicting. Using Printf until that is resolved.
+					fmt.Printf("%v", stdout.String())
+					fmt.Printf("%v", stderr.String())
+					log.Fatal("Playwright Failed: %s", err)
+				} else {
+					fmt.Printf("%v", stdout.String())
+				}
+			})
+		})
+	}
+}