| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "bufio" |
| 5 | "bytes" |
| 6 | "context" |
| 7 | "encoding/json" |
| 8 | "fmt" |
| 9 | "io" |
| 10 | "net/http" |
| 11 | "os" |
| 12 | "os/exec" |
| 13 | "path/filepath" |
| 14 | "strings" |
| 15 | "testing" |
| 16 | "time" |
| 17 | |
| 18 | "github.com/FelineStateMachine/tinyrelay/internal/event" |
| 19 | ) |
| 20 | |
| 21 | // This is deliberately a subprocess acceptance test: it proves cmd/tinygit is |
| 22 | // a real standalone server, not only an embeddable HTTP handler. |
| 23 | func TestStandaloneBinarySignedPushCloneAndRestart(t *testing.T) { |
| 24 | if testing.Short() { |
| 25 | t.Skip("builds and runs the standalone binary and native Git" ) |
| 26 | } |
| 27 | root := t.TempDir() |
| 28 | binary := filepath.Join(root, "tinygit" ) |
| 29 | build := exec.Command("go" , "build" , "-o" , binary, "." ) |
| 30 | if out, err := build.CombinedOutput(); err != nil { |
| 31 | t.Fatalf("build standalone binary: %v\n%s" , err, out) |
| 32 | } |
| 33 | ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second) |
| 34 | defer cancel() |
| 35 | secret := strings.Repeat("0" , 63) + "1" |
| 36 | owner, err := event.PublicKey(secret) |
| 37 | if err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | data := filepath.Join(root, "data" ) |
| 41 | start := func() (string, func()) { |
| 42 | t.Helper() |
| 43 | cmd := exec.CommandContext(ctx, binary, "-listen" , "127.0.0.1:0" , "-data" , data, "-owner" , owner) |
| 44 | stdout, err := cmd.StdoutPipe() |
| 45 | if err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | cmd.Stderr = os.Stderr |
| 49 | if err := cmd.Start(); err != nil { |
| 50 | t.Fatal(err) |
| 51 | } |
| 52 | done := make(chan error, 1) |
| 53 | go func() { done <- cmd.Wait() }() |
| 54 | stopped := false |
| 55 | stop := func() { |
| 56 | t.Helper() |
| 57 | if stopped { |
| 58 | return |
| 59 | } |
| 60 | stopped = true |
| 61 | _ = cmd.Process.Signal(os.Interrupt) |
| 62 | select { |
| 63 | case err := <-done: |
| 64 | if err != nil { |
| 65 | t.Errorf("server exit: %v" , err) |
| 66 | } |
| 67 | case <-time.After(10 * time.Second): |
| 68 | _ = cmd.Process.Kill() |
| 69 | <-done |
| 70 | t.Error("server did not shut down" ) |
| 71 | } |
| 72 | } |
| 73 | t.Cleanup(stop) |
| 74 | line := make(chan string, 1) |
| 75 | go func() { |
| 76 | scanner := bufio.NewScanner(stdout) |
| 77 | if scanner.Scan() { |
| 78 | line <- scanner.Text() |
| 79 | } else { |
| 80 | line <- "" |
| 81 | } |
| 82 | }() |
| 83 | var address string |
| 84 | select { |
| 85 | case ready := <-line: |
| 86 | const prefix = "tinygit listening on " |
| 87 | if !strings.HasPrefix(ready, prefix) { |
| 88 | t.Fatalf("startup: %q" , ready) |
| 89 | } |
| 90 | address = strings.TrimPrefix(ready, prefix) |
| 91 | case <-ctx.Done(): |
| 92 | t.Fatal(ctx.Err()) |
| 93 | } |
| 94 | res, err := http.Get(address + "/healthz" ) |
| 95 | if err != nil { |
| 96 | t.Fatal(err) |
| 97 | } |
| 98 | res.Body.Close() |
| 99 | if res.StatusCode != http.StatusOK { |
| 100 | t.Fatalf("health = %d" , res.StatusCode) |
| 101 | } |
| 102 | return address, stop |
| 103 | } |
| 104 | address, stop := start() |
| 105 | post := func(e event.Event) bool { |
| 106 | t.Helper() |
| 107 | if err := event.Sign(&e, secret); err != nil { |
| 108 | t.Fatal(err) |
| 109 | } |
| 110 | body, err := json.Marshal(e) |
| 111 | if err != nil { |
| 112 | t.Fatal(err) |
| 113 | } |
| 114 | res, err := http.Post(address+"/events" , "application/json" , bytes.NewReader(body)) |
| 115 | if err != nil { |
| 116 | t.Fatal(err) |
| 117 | } |
| 118 | defer res.Body.Close() |
| 119 | var result struct { |
| 120 | ID string `json:"id"` |
| 121 | Pending bool `json:"pending"` |
| 122 | } |
| 123 | if res.StatusCode != http.StatusOK { |
| 124 | body, _ := io.ReadAll(res.Body) |
| 125 | t.Fatalf("publish = %d: %s" , res.StatusCode, body) |
| 126 | } |
| 127 | if err := json.NewDecoder(res.Body).Decode(&result); err != nil { |
| 128 | t.Fatal(err) |
| 129 | } |
| 130 | if result.ID != e.ID { |
| 131 | t.Fatalf("event ID = %q, want %q" , result.ID, e.ID) |
| 132 | } |
| 133 | return result.Pending |
| 134 | } |
| 135 | git := func(dir string, wantSuccess bool, args ...string) string { |
| 136 | t.Helper() |
| 137 | cmd := exec.CommandContext(ctx, "git" , args...) |
| 138 | cmd.Dir = dir |
| 139 | cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0" , "GIT_AUTHOR_NAME=test" , "GIT_AUTHOR_EMAIL=test@example.invalid" , "GIT_COMMITTER_NAME=test" , "GIT_COMMITTER_EMAIL=test@example.invalid" ) |
| 140 | out, err := cmd.CombinedOutput() |
| 141 | if (err == nil) != wantSuccess { |
| 142 | t.Fatalf("git %v: %v\n%s" , args, err, out) |
| 143 | } |
| 144 | return strings.TrimSpace(string(out)) |
| 145 | } |
| 146 | work := filepath.Join(root, "work" ) |
| 147 | if err := os.Mkdir(work, 0700); err != nil { |
| 148 | t.Fatal(err) |
| 149 | } |
| 150 | git(work, true, "init" , "-b" , "main" ) |
| 151 | if err := os.WriteFile(filepath.Join(work, "hello.txt" ), []byte("standalone Git\n" ), 0600); err != nil { |
| 152 | t.Fatal(err) |
| 153 | } |
| 154 | git(work, true, "add" , "hello.txt" ) |
| 155 | git(work, true, "commit" , "-m" , "first" ) |
| 156 | oid := git(work, true, "rev-parse" , "HEAD" ) |
| 157 | post(event.Event{Kind: 30617, CreatedAt: 100, Tags: [][]string{{"d" , "demo" }}}) |
| 158 | cloneURL := func() string { |
| 159 | return address + "/npub10xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqpkge6d/demo.git" |
| 160 | } |
| 161 | git(work, false, "push" , cloneURL(), "main" ) |
| 162 | state := event.Event{Kind: 30618, CreatedAt: 101, Tags: [][]string{{"d" , "demo" }, {"HEAD" , "ref: refs/heads/main" }, {"refs/heads/main" , oid}}} |
| 163 | if !post(state) { |
| 164 | t.Fatal("missing objects were not staged as pending" ) |
| 165 | } |
| 166 | t.Log(git(work, true, "push" , cloneURL(), "main" )) |
| 167 | if post(state) { |
| 168 | t.Fatal("receive-pack did not promote pending state" ) |
| 169 | } |
| 170 | git(work, true, "commit" , "--allow-empty" , "-m" , "unsigned change" ) |
| 171 | git(work, false, "push" , cloneURL(), "main" ) |
| 172 | git(work, false, "push" , cloneURL(), "HEAD:refs/heads/unauthorized" ) |
| 173 | verifyClone := func(name string) { |
| 174 | t.Helper() |
| 175 | dest := filepath.Join(root, name) |
| 176 | t.Log(git(root, true, "clone" , cloneURL(), dest)) |
| 177 | if got := git(dest, true, "rev-parse" , "HEAD" ); got != oid { |
| 178 | t.Fatalf("cloned HEAD = %s, want %s" , got, oid) |
| 179 | } |
| 180 | body, err := os.ReadFile(filepath.Join(dest, "hello.txt" )) |
| 181 | if err != nil || string(body) != "standalone Git\n" { |
| 182 | t.Fatalf("clone content = %q (%v)" , body, err) |
| 183 | } |
| 184 | } |
| 185 | verifyClone("clone" ) |
| 186 | stop() |
| 187 | address, stop = start() |
| 188 | defer stop() |
| 189 | verifyClone("restarted-clone" ) |
| 190 | t.Log(fmt.Sprintf("verified signed push, rejected unsigned pushes, clone and durable restart at %s" , oid)) |
| 191 | } |