script_test.go

  1package testscript
  2
  3import (
  4	"bytes"
  5	"context"
  6	"flag"
  7	"fmt"
  8	"io"
  9	"net"
 10	"net/http"
 11	"net/url"
 12	"os"
 13	"path/filepath"
 14	"strings"
 15	"sync"
 16	"testing"
 17	"time"
 18
 19	"github.com/charmbracelet/keygen"
 20	"github.com/charmbracelet/log"
 21	"github.com/charmbracelet/soft-serve/server"
 22	"github.com/charmbracelet/soft-serve/server/backend"
 23	"github.com/charmbracelet/soft-serve/server/config"
 24	"github.com/charmbracelet/soft-serve/server/db"
 25	"github.com/charmbracelet/soft-serve/server/db/migrate"
 26	logr "github.com/charmbracelet/soft-serve/server/log"
 27	"github.com/charmbracelet/soft-serve/server/store"
 28	"github.com/charmbracelet/soft-serve/server/store/database"
 29	"github.com/charmbracelet/soft-serve/server/test"
 30	"github.com/rogpeppe/go-internal/testscript"
 31	"github.com/spf13/cobra"
 32	"golang.org/x/crypto/ssh"
 33	_ "modernc.org/sqlite" // sqlite Driver
 34)
 35
 36var update = flag.Bool("update", false, "update script files")
 37
 38func TestScript(t *testing.T) {
 39	flag.Parse()
 40	var lock sync.Mutex
 41
 42	mkkey := func(name string) (string, *keygen.SSHKeyPair) {
 43		path := filepath.Join(t.TempDir(), name)
 44		pair, err := keygen.New(path, keygen.WithKeyType(keygen.Ed25519), keygen.WithWrite())
 45		if err != nil {
 46			t.Fatal(err)
 47		}
 48		return path, pair
 49	}
 50
 51	key, admin1 := mkkey("admin1")
 52	_, admin2 := mkkey("admin2")
 53	_, user1 := mkkey("user1")
 54
 55	testscript.Run(t, testscript.Params{
 56		Dir:           "./testdata/",
 57		UpdateScripts: *update,
 58		Cmds: map[string]func(ts *testscript.TestScript, neg bool, args []string){
 59			"soft":     cmdSoft(admin1.Signer()),
 60			"usoft":    cmdSoft(user1.Signer()),
 61			"git":      cmdGit(key),
 62			"curl":     cmdCurl,
 63			"mkfile":   cmdMkfile,
 64			"envfile":  cmdEnvfile,
 65			"readfile": cmdReadfile,
 66			"dos2unix": cmdDos2Unix,
 67		},
 68		Setup: func(e *testscript.Env) error {
 69			data := t.TempDir()
 70
 71			sshPort := test.RandomPort()
 72			sshListen := fmt.Sprintf("localhost:%d", sshPort)
 73			gitPort := test.RandomPort()
 74			gitListen := fmt.Sprintf("localhost:%d", gitPort)
 75			httpPort := test.RandomPort()
 76			httpListen := fmt.Sprintf("localhost:%d", httpPort)
 77			statsPort := test.RandomPort()
 78			statsListen := fmt.Sprintf("localhost:%d", statsPort)
 79			serverName := "Test Soft Serve"
 80
 81			e.Setenv("DATA_PATH", data)
 82			e.Setenv("SSH_PORT", fmt.Sprintf("%d", sshPort))
 83			e.Setenv("HTTP_PORT", fmt.Sprintf("%d", httpPort))
 84			e.Setenv("ADMIN1_AUTHORIZED_KEY", admin1.AuthorizedKey())
 85			e.Setenv("ADMIN2_AUTHORIZED_KEY", admin2.AuthorizedKey())
 86			e.Setenv("USER1_AUTHORIZED_KEY", user1.AuthorizedKey())
 87			e.Setenv("SSH_KNOWN_HOSTS_FILE", filepath.Join(t.TempDir(), "known_hosts"))
 88			e.Setenv("SSH_KNOWN_CONFIG_FILE", filepath.Join(t.TempDir(), "config"))
 89
 90			cfg := config.DefaultConfig()
 91			cfg.DataPath = data
 92			cfg.Name = serverName
 93			cfg.InitialAdminKeys = []string{admin1.AuthorizedKey()}
 94			cfg.SSH.ListenAddr = sshListen
 95			cfg.SSH.PublicURL = "ssh://" + sshListen
 96			cfg.Git.ListenAddr = gitListen
 97			cfg.HTTP.ListenAddr = httpListen
 98			cfg.HTTP.PublicURL = "http://" + httpListen
 99			cfg.Stats.ListenAddr = statsListen
100			cfg.DB.Driver = "sqlite"
101			cfg.LFS.Enabled = true
102			// TODO: run tests with both SSH enabled/disabled
103			cfg.LFS.SSHEnabled = false
104
105			if err := cfg.Validate(); err != nil {
106				return err
107			}
108
109			ctx := config.WithContext(context.Background(), cfg)
110
111			logger, f, err := logr.NewLogger(cfg)
112			if err != nil {
113				log.Errorf("failed to create logger: %v", err)
114			}
115
116			ctx = log.WithContext(ctx, logger)
117			if f != nil {
118				defer f.Close() // nolint: errcheck
119			}
120
121			// TODO: test postgres
122			dbx, err := db.Open(ctx, cfg.DB.Driver, cfg.DB.DataSource)
123			if err != nil {
124				return fmt.Errorf("open database: %w", err)
125			}
126
127			if err := migrate.Migrate(ctx, dbx); err != nil {
128				return fmt.Errorf("migrate database: %w", err)
129			}
130
131			ctx = db.WithContext(ctx, dbx)
132			datastore := database.New(ctx, dbx)
133			ctx = store.WithContext(ctx, datastore)
134			be := backend.New(ctx, cfg, dbx)
135			ctx = backend.WithContext(ctx, be)
136
137			lock.Lock()
138			srv, err := server.NewServer(ctx)
139			if err != nil {
140				lock.Unlock()
141				return err
142			}
143			lock.Unlock()
144
145			go func() {
146				if err := srv.Start(); err != nil {
147					e.T().Fatal(err)
148				}
149			}()
150
151			e.Defer(func() {
152				defer dbx.Close() // nolint: errcheck
153				ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
154				defer cancel()
155				lock.Lock()
156				defer lock.Unlock()
157				if err := srv.Shutdown(ctx); err != nil {
158					e.T().Fatal(err)
159				}
160			})
161
162			// wait until the server is up
163			for {
164				conn, _ := net.DialTimeout(
165					"tcp",
166					net.JoinHostPort("localhost", fmt.Sprintf("%d", sshPort)),
167					time.Second,
168				)
169				if conn != nil {
170					conn.Close()
171					break
172				}
173			}
174
175			return nil
176		},
177	})
178}
179
180func cmdSoft(key ssh.Signer) func(ts *testscript.TestScript, neg bool, args []string) {
181	return func(ts *testscript.TestScript, neg bool, args []string) {
182		cli, err := ssh.Dial(
183			"tcp",
184			net.JoinHostPort("localhost", ts.Getenv("SSH_PORT")),
185			&ssh.ClientConfig{
186				User:            "admin",
187				Auth:            []ssh.AuthMethod{ssh.PublicKeys(key)},
188				HostKeyCallback: ssh.InsecureIgnoreHostKey(),
189			},
190		)
191		ts.Check(err)
192		defer cli.Close()
193
194		sess, err := cli.NewSession()
195		ts.Check(err)
196		defer sess.Close()
197
198		sess.Stdout = ts.Stdout()
199		sess.Stderr = ts.Stderr()
200
201		check(ts, sess.Run(strings.Join(args, " ")), neg)
202	}
203}
204
205// P.S. Windows sucks!
206func cmdDos2Unix(ts *testscript.TestScript, neg bool, args []string) {
207	if neg {
208		ts.Fatalf("unsupported: ! dos2unix")
209	}
210	if len(args) < 1 {
211		ts.Fatalf("usage: dos2unix paths...")
212	}
213	for _, arg := range args {
214		filename := ts.MkAbs(arg)
215		data, err := os.ReadFile(filename)
216		if err != nil {
217			ts.Fatalf("%s: %v", filename, err)
218		}
219
220		// Replace all '\r\n' with '\n'.
221		data = bytes.ReplaceAll(data, []byte{'\r', '\n'}, []byte{'\n'})
222
223		if err := os.WriteFile(filename, data, 0o644); err != nil {
224			ts.Fatalf("%s: %v", filename, err)
225		}
226	}
227}
228
229var sshConfig = `
230Host *
231  UserKnownHostsFile %q
232  StrictHostKeyChecking no
233  IdentityAgent none
234  IdentitiesOnly yes
235  ServerAliveInterval 60
236`
237
238func cmdGit(key string) func(ts *testscript.TestScript, neg bool, args []string) {
239	return func(ts *testscript.TestScript, neg bool, args []string) {
240		ts.Check(os.WriteFile(
241			ts.Getenv("SSH_KNOWN_CONFIG_FILE"),
242			[]byte(fmt.Sprintf(sshConfig, ts.Getenv("SSH_KNOWN_HOSTS_FILE"))),
243			0o600,
244		))
245		sshArgs := []string{
246			"-F", filepath.ToSlash(ts.Getenv("SSH_KNOWN_CONFIG_FILE")),
247			"-i", filepath.ToSlash(key),
248		}
249		ts.Setenv(
250			"GIT_SSH_COMMAND",
251			strings.Join(append([]string{"ssh"}, sshArgs...), " "),
252		)
253		// Disable git prompting for credentials.
254		ts.Setenv("GIT_TERMINAL_PROMPT", "0")
255		args = append([]string{
256			"-c", "user.email=john@example.com",
257			"-c", "user.name=John Doe",
258		}, args...)
259		check(ts, ts.Exec("git", args...), neg)
260	}
261}
262
263func cmdMkfile(ts *testscript.TestScript, neg bool, args []string) {
264	if len(args) < 2 {
265		ts.Fatalf("usage: mkfile path content")
266	}
267	check(ts, os.WriteFile(
268		ts.MkAbs(args[0]),
269		[]byte(strings.Join(args[1:], " ")),
270		0o644,
271	), neg)
272}
273
274func check(ts *testscript.TestScript, err error, neg bool) {
275	if neg && err == nil {
276		ts.Fatalf("expected error, got nil")
277	}
278	if !neg {
279		ts.Check(err)
280	}
281}
282
283func cmdReadfile(ts *testscript.TestScript, neg bool, args []string) {
284	ts.Stdout().Write([]byte(ts.ReadFile(args[0])))
285}
286
287func cmdEnvfile(ts *testscript.TestScript, neg bool, args []string) {
288	if len(args) < 1 {
289		ts.Fatalf("usage: envfile key=file...")
290	}
291
292	for _, arg := range args {
293		parts := strings.SplitN(arg, "=", 2)
294		if len(parts) != 2 {
295			ts.Fatalf("usage: envfile key=file...")
296		}
297		key := parts[0]
298		file := parts[1]
299		ts.Setenv(key, strings.TrimSpace(ts.ReadFile(file)))
300	}
301}
302
303func cmdCurl(ts *testscript.TestScript, neg bool, args []string) {
304	var verbose bool
305	var headers []string
306	var data string
307	method := http.MethodGet
308
309	cmd := &cobra.Command{
310		Use:  "curl",
311		Args: cobra.MinimumNArgs(1),
312		RunE: func(cmd *cobra.Command, args []string) error {
313			url, err := url.Parse(args[0])
314			if err != nil {
315				return err
316			}
317
318			req, err := http.NewRequest(method, url.String(), nil)
319			if err != nil {
320				return err
321			}
322
323			if data != "" {
324				req.Body = io.NopCloser(strings.NewReader(data))
325			}
326
327			if verbose {
328				fmt.Fprintf(cmd.ErrOrStderr(), "< %s %s\n", req.Method, url.String())
329			}
330
331			for _, header := range headers {
332				parts := strings.SplitN(header, ":", 2)
333				if len(parts) != 2 {
334					return fmt.Errorf("invalid header: %s", header)
335				}
336				req.Header.Add(strings.TrimSpace(parts[0]), strings.TrimSpace(parts[1]))
337			}
338
339			if userInfo := url.User; userInfo != nil {
340				password, _ := userInfo.Password()
341				req.SetBasicAuth(userInfo.Username(), password)
342			}
343
344			if verbose {
345				for key, values := range req.Header {
346					for _, value := range values {
347						fmt.Fprintf(cmd.ErrOrStderr(), "< %s: %s\n", key, value)
348					}
349				}
350			}
351
352			resp, err := http.DefaultClient.Do(req)
353			if err != nil {
354				return err
355			}
356
357			if verbose {
358				fmt.Fprintf(ts.Stderr(), "> %s\n", resp.Status)
359				for key, values := range resp.Header {
360					for _, value := range values {
361						fmt.Fprintf(cmd.ErrOrStderr(), "> %s: %s\n", key, value)
362					}
363				}
364			}
365
366			defer resp.Body.Close()
367			buf, err := io.ReadAll(resp.Body)
368			if err != nil {
369				return err
370			}
371
372			cmd.Print(string(buf))
373
374			return nil
375		},
376	}
377
378	cmd.SetArgs(args)
379	cmd.SetOut(ts.Stdout())
380	cmd.SetErr(ts.Stderr())
381
382	cmd.Flags().BoolVarP(&verbose, "verbose", "v", verbose, "verbose")
383	cmd.Flags().StringArrayVarP(&headers, "header", "H", nil, "HTTP header")
384	cmd.Flags().StringVarP(&method, "request", "X", method, "HTTP method")
385	cmd.Flags().StringVarP(&data, "data", "d", data, "HTTP data")
386
387	check(ts, cmd.Execute(), neg)
388}