You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: strings_test.go
    path of file: ./repos/go-in-5-minutes/episode7/vendor/github.com/google/go-github/github
    
    the code of the file until where you have to start completion: // Copyright 2013 The go-github AUTHORS. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package github

import (
	"fmt"
	"testing"
	"time"
)

func TestStringify(t *testing.T) {
	var nilPointer *string

	var tests = []struct {
		in  interface{}
		out string
	}{
		// basic types
		{"foo", `"foo"`},
		{123, `123`},
		{1.5, `1.5`},
		{false, `false`},
		{
			[]string{"a", "b"},
			`["a" "b"]`,
		},
		{
			struct {
				A []string
			}{nil},
			// nil slice is skipped
			`{}`,
		},
		{
			struct {
				A string
			}{"foo"},
			// structs not of a named type get no prefix
			`{A:"foo"}`,
		},

		// pointers
		{nilPointer, `<nil>`},
		{String("foo"), `"foo"`},
		{Int(123), `123`},
		{Bool(false), `false`},
		{
			[]*string{String("a"), String("b")},
			`["a" "b"]`,
		},

		// actual GitHub structs
		{
			Timestamp{time.Date(2006, 01, 02, 15, 04, 05, 0, time.UTC)},
			`github.Timestamp{2006-01-02 15:04:05 +0000 UTC}`,
		},
		{
			&Timestamp{time.Date(2006, 01, 02, 15, 04, 05, 0, time.UTC)},
			`github.Timestamp{2006-01-02 15:04:05 +0000 UTC}`,
		},
		{
			User{ID: Int(123), Name: String("n")},
			`github.User{ID:123, Name:"n"}`,
		},
		{
			Repository{Owner: &User{ID: Int(123)}},
			`github.Repository{Owner:github.User{ID:123}}`,
		},
	}

	for i, tt := range tests {
		s := Stringify(tt.in)
		if s != tt.out {
			t.Errorf("%d. Stringify(%q) => %q, want %q", i, tt.in, s, tt.out)
		}
	}
}

// Directly test the String() methods on various GitHub types. We don't do an
// exaustive test of all the various field types, since TestStringify() above
// takes care of that. Rather, we just make sure that Stringify() is being
// used to build the strings, which we do by verifying that pointers are
// str
    
func TestString(t *testing.T) {
	var tests = []struct {
		in  interface{}
		out string
	}{
		{CodeResult{Name: String("n")}, `github.CodeResult{Name:"n"}`},
		{CommitAuthor{Name: String("n")}, `github.CommitAuthor{Name:"n"}`},
		{CommitFile{SHA: String("s")}, `github.CommitFile{SHA:"s"}`},
		{CommitStats{Total: Int(1)}, `github.CommitStats{Total:1}`},
		{CommitsComparison{TotalCommits: Int(1)}, `github.CommitsComparison{TotalCommits:1}`},
		{Commit{SHA: String("s")}, `github.Commit{SHA:"s"}`},
		{Event{ID: String("1")}, `github.Event{ID:"1"}`},
		{GistComment{ID: Int(1)}, `github.GistComment{ID:1}`},
		{GistFile{Size: Int(1)}, `github.GistFile{Size:1}`},
		{Gist{ID: String("1")}, `github.Gist{ID:"1", Files:map[]}`},
		{GitObject{SHA: String("s")}, `github.GitObject{SHA:"s"}`},
		{Gitignore{Name: String("n")}, `github.Gitignore{Name:"n"}`},
		{Hook{ID: Int(1)}, `github.Hook{Config:map[], ID:1}`},
		{IssueComment{ID: Int(1)}, `github.IssueComment{ID:1}`},
		{Issue{Number: Int(1)}, `github.Issue{Number:1}`},
		{Key{ID: Int(1)}, `github.Key{ID:1}`},
		{Label{Name: String("l")}, "l"},
		{Organization{ID: Int(1)}, `github.Organization{ID:1}`},
		{PullRequestComment{ID: Int(1)}, `github.PullRequestComment{ID:1}`},
		{PullRequest{Number: Int(1)}, `github.PullRequest{Number:1}`},
		{PullRequestReview{ID: Int(1)}, `github.PullRequestReview{ID:1}`},
		{DraftReviewComment{Position: Int(1)}, `github.DraftReviewComment{Position:1}`},
		{PullRequestReviewRequest{Body: String("r")}, `github.PullRequestReviewRequest{Body:"r"}`},
		{PullRequestReviewDismissalRequest{Message: String("r")}, `github.PullRequestReviewDismissalRequest{Message:"r"}`},
		{PushEventCommit{SHA: String("s")}, `github.PushEventCommit{SHA:"s"}`},
		{PushEvent{PushID: Int(1)}, `github.PushEvent{PushID:1}`},
		{Reference{Ref: String("r")}, `github.Reference{Ref:"r"}`},
		{ReleaseAsset{ID: Int(1)}, `github.ReleaseAsset{ID:1}`},
		{RepoStatus{ID: Int(1)}, `github.RepoStatus{ID:1}`},
		{RepositoryComment{ID: Int(1)}, `github.RepositoryComment{ID:1}`},
		{RepositoryCommit{SHA: String("s")}, `github.RepositoryCommit{SHA:"s"}`},
		{RepositoryContent{Name: String("n")}, `github.RepositoryContent{Name:"n"}`},
		{RepositoryRelease{ID: Int(1)}, `github.RepositoryRelease{ID:1}`},
		{Repository{ID: Int(1)}, `github.Repository{ID:1}`},
		{Team{ID: Int(1)}, `github.Team{ID:1}`},
		{TreeEntry{SHA: String("s")}, `github.TreeEntry{SHA:"s"}`},
		{Tree{SHA: String("s")}, `github.Tree{SHA:"s"}`},
		{User{ID: Int(1)}, `github.User{ID:1}`},
		{WebHookAuthor{Name: String("n")}, `github.WebHookAuthor{Name:"n"}`},
		{WebHookCommit{ID: String("1")}, `github.WebHookCommit{ID:"1"}`},
		{WebHookPayload{Ref: String("r")}, `github.WebHookPayload{Ref:"r"}`},
	}

	for i, tt := range tests {
		s := tt.in.(fmt.Stringer).String()
		if s != tt.out {
			t.Errorf("%d. String() => %q, want %q", i, tt.in, tt.out)
		}
	}
}