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package e2e
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import (
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"context"
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"net/http"
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"net/url"
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"os/exec"
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"strings"
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"testing"
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// post sends a form as one account, without following the redirect, so the answer can be read.
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func post(t *testing.T, in *instance, account, path string, form url.Values) *http.Response {
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t.Helper()
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body := strings.NewReader(form.Encode())
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req, err := http.NewRequest(http.MethodPost, in.http.URL+path, body)
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if err != nil {
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t.Fatal(err)
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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if account != "" {
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token, err := in.db.NewSession(context.Background(), account)
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if err != nil {
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t.Fatal(err)
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req.AddCookie(&http.Cookie{Name: "barerepo_session", Value: token})
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client := &http.Client{CheckRedirect: func(*http.Request, []*http.Request) error {
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return http.ErrUseLastResponse
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}}
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resp, err := client.Do(req)
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if err != nil {
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t.Fatal(err)
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resp.Body.Close()
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return resp
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// Chapter 21.1. Copying is the answer to "no forks", so a reader who is not the owner performs it.
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func TestAReaderCopiesARepositoryFromTheConfigPage(t *testing.T) {
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if _, err := exec.LookPath("git"); err != nil {
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t.Skip("git is not installed")
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in := newInstance(t)
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john := in.account("john")
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in.account("lisa")
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seed(t, in, john, "john", "johnbot")
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// A proposal ref exists on the original, and chapter 21.1 says it must not come across.
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work := clone(t, in, john, "/john/johnbot")
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commit(t, work, "package main\n\nfunc main() {}\n", "a proposal")
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run(t, work, "git", "push", "-q", in.url(john, "/john/johnbot"), "HEAD:refs/proposals/new")
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// Guard the guard: if the original has no proposal ref, the assertion below proves nothing.
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if refs := run(t, repoDir(t, in, "john", "johnbot"), "git", "for-each-ref",
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"--format=%(refname)"); !strings.Contains(refs, "refs/proposals/") {
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t.Fatalf("the push made no proposal ref, so this test cannot show one is left behind:\n%s", refs)
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resp := post(t, in, "lisa", "/john/johnbot/copy", nil)
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if resp.StatusCode != http.StatusFound {
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t.Fatalf("the copy answered %d, wanted a redirect to the new repository", resp.StatusCode)
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if got := resp.Header.Get("Location"); got != "/lisa/johnbot" {
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t.Errorf("the copy sent the reader to %q", got)
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if code, _, _ := get(t, in.http.URL+"/lisa/johnbot"); code != http.StatusOK {
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t.Fatalf("the copy is not being served: %d", code)
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dir := repoDir(t, in, "lisa", "johnbot")
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refs := run(t, dir, "git", "for-each-ref", "--format=%(refname)")
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if !strings.Contains(refs, "refs/heads/master") {
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t.Errorf("the copy has no branches:\n%s", refs)
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if strings.Contains(refs, "refs/proposals/") {
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t.Errorf("proposal refs came across, and chapter 21.1 says they belong to the original:\n%s", refs)
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// Chapter 21.1 copies threads and notes, which is the half a fast object copy does not bring.
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if !strings.Contains(refs, "refs/notes/threads/") {
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t.Errorf("the discussion did not come across, so the copy lost the conversation:\n%s", refs)
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if _, _, page := get(t, in.http.URL+"/lisa/johnbot/threads"); !strings.Contains(page, "1") {
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t.Errorf("the copy's thread list is empty:\n%s", page)
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// A copy borrows the original's objects, so deleting the original must give them to the copy first.
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post(t, in, "john", "/john/johnbot/delete", url.Values{"confirm": {"johnbot"}})
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if code, _, _ := get(t, in.http.URL+"/lisa/johnbot"); code != http.StatusOK {
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t.Fatalf("deleting the original took the copy's history with it: %d", code)
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if out := run(t, dir, "git", "log", "--format=%s", "master"); !strings.Contains(out, "first") {
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t.Errorf("the copy lost its history when the original went:\n%s", out)
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// A signed-out reader is sent to sign in, because a copy needs an account to own it.
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func TestCopyNeedsAnAccount(t *testing.T) {
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if _, err := exec.LookPath("git"); err != nil {
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t.Skip("git is not installed")
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}
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in := newInstance(t)
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john := in.account("john")
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seed(t, in, john, "john", "johnbot")
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resp := post(t, in, "", "/john/johnbot/copy", nil)
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if got := resp.Header.Get("Location"); got != "/signin" {
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t.Errorf("an anonymous copy went to %q, wanted /signin", got)
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}