Move fixture generation to contrib and add test (#10277)

* Add fixture gen tool and fix "access" test

* Close file before exiting

* Add missing repo_unit for repo id: 5

* Fix count on TestAPIOrgRepos

* Generate access fixture from contrib and add test

* Remove old access fixture generation

* Fix lint

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

models/fixture_generation.go

@@ -0,0 +1,45 @@
+// Copyright 2020 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 models
+
+import (
+	"fmt"
+	"strings"
+)
+
+// GetYamlFixturesAccess returns a string containing the contents
+// for the access table, as recalculated using repo.RecalculateAccesses()
+func GetYamlFixturesAccess() (string, error) {
+
+	repos := make([]*Repository, 0, 50)
+	if err := x.Find(&repos); err != nil {
+		return "", err
+	}
+
+	for _, repo := range repos {
+		repo.MustOwner()
+		if err := repo.RecalculateAccesses(); err != nil {
+			return "", err
+		}
+	}
+
+	var b strings.Builder
+
+	accesses := make([]*Access, 0, 200)
+	if err := x.OrderBy("user_id, repo_id").Find(&accesses); err != nil {
+		return "", err
+	}
+
+	for i, a := range accesses {
+		fmt.Fprintf(&b, "-\n")
+		fmt.Fprintf(&b, "  id: %d\n", i+1)
+		fmt.Fprintf(&b, "  user_id: %d\n", a.UserID)
+		fmt.Fprintf(&b, "  repo_id: %d\n", a.RepoID)
+		fmt.Fprintf(&b, "  mode: %d\n", a.Mode)
+		fmt.Fprintf(&b, "\n")
+	}
+
+	return b.String(), nil
+}