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# GNU Guix --- Functional package management for GNU
# Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
# Copyright © 2018, 2019, 2020, 2022, 2023 Ludovic Courtès <ludo@gnu.org>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

#
# Test the `guix pack' command-line utility.
#

# A network connection is required to build %bootstrap-coreutils&co,
# which is required to run these tests with the --bootstrap option.
if ! guile -c '(getaddrinfo "www.gnu.org" "80" AI_NUMERICSERV)' 2> /dev/null; then
    exit 77
fi

guix pack --version

# Use --no-substitutes because we need to verify we can do this ourselves.
# Use --no-grafts to avoid interference--e.g., --dry-run passing even when
# given an unsupported package.
GUIX_BUILD_OPTIONS="--no-substitutes --no-grafts"
export GUIX_BUILD_OPTIONS

test_directory="`mktemp -d`"
trap 'chmod -Rf +w "$test_directory"; rm -rf "$test_directory"' EXIT

# Reject unsuppoted packages.
guix pack intelmetool -s armhf-linux -n && false

# Compute the derivation of a pack.
drv="`guix pack coreutils -d --no-grafts`"
guix gc -R "$drv" | grep "`guix build coreutils -d --no-grafts`"

# Compute the derivation of a cross-compiled pack.  Make sure it refers to the
# cross-compiled package and not to the native package.
drv="`guix pack idutils -d --no-grafts --target=arm-linux-gnueabihf`"
guix gc -R "$drv" | \
    grep "`guix build idutils --target=arm-linux-gnueabihf -d --no-grafts`"
guix gc -R "$drv" | grep "`guix build idutils -d --no-grafts`" && false

# Build a tarball with no compression.
guix pack --compression=none --bootstrap guile-bootstrap

# Build a tarball (with compression).  Check that '-e' works as well.
out1="`guix pack --bootstrap guile-bootstrap`"
out2="`guix pack --bootstrap -e '(@ (gnu packages bootstrap) %bootstrap-guile)'`"
test -n "$out1"
test "$out1" = "$out2"

# Test '--root'.
guix pack -r "$test_directory/my-guile" --bootstrap guile-bootstrap
test "`readlink "$test_directory/my-guile"`" = "$out1"
guix gc --list-roots | grep "^$test_directory/my-guile$"
rm "$test_directory/my-guile"

# Build a tarball with a symlink.
the_pack="`guix pack --bootstrap -S /opt/gnu/bin=bin guile-bootstrap`"

# Try to extract it.  Note: we cannot test whether /opt/gnu/bin/guile itself
# exists because /opt/gnu/bin may be an absolute symlink to a store item that
# has been GC'd.
cd "$test_directory"
tar -xf "$the_pack"
test -L opt/gnu/bin

is_available () {
    # Use the "type" shell builtin to see if the program is on PATH.
    type "$1" > /dev/null
}

if is_available chroot && is_available unshare && unshare -r true; then
    # Verify we can use what we built.
    unshare -r chroot . /opt/gnu/bin/guile --version
    cd -
else
    echo "warning: skipped some verification because chroot or unshare is unavailable" >&2
fi

# For the tests that build Docker images below, we currently have to use
# --dry-run because if we don't, there are only two possible cases:
#
#     Case 1: We do not use --bootstrap, and the build takes hours to finish
#             because it needs to build tar etc.
#
#     Case 2: We use --bootstrap, and the build fails because the bootstrap
#             Guile cannot dlopen shared libraries.  Not to mention the fact
#             that we would still have to build many non-bootstrap inputs
#             (e.g., guile-json) in order to create the Docker image.

# Build a Docker image.
guix pack --dry-run --bootstrap -f docker guile-bootstrap

# Build a Docker image with a symlink.
guix pack --dry-run --bootstrap -f docker -S /opt/gnu= guile-bootstrap

# Build a tarball pack of cross-compiled software.  Use coreutils because
# guile-bootstrap is not intended to be cross-compiled.
guix pack --dry-run --bootstrap --target=arm-linux-gnueabihf coreutils

# Likewise, 'guix pack -R' requires a full-blown toolchain (because
# 'glibc-bootstrap' lacks 'libc.a'), hence '--dry-run'.
guix pack -R --dry-run --bootstrap -S /mybin=bin guile-bootstrap

# Make sure package transformation options are honored.
chmod -Rf +w "$test_directory"; rm -r "$test_directory"
mkdir -p "$test_directory" -m 755
drv1="`guix pack --no-grafts -n guile 2>&1 | grep pack.*\.drv`"
drv2="`guix pack --no-grafts -n --with-source=guile=$test_directory guile 2>&1 | grep pack.*\.drv`"
test -n "$drv1"
test "$drv1" != "$drv2"

# Try '--manifest' options.
cat > "$test_directory/manifest1.scm" <<EOF
(specifications->manifest '("guile"))
EOF
cat > "$test_directory/manifest2.scm" <<EOF
(specifications->manifest '("emacs"))
EOF
drv="`guix pack --no-grafts -d -m "$test_directory/manifest1.scm" -m "$test_directory/manifest2.scm"`"
guix gc -R "$drv" | grep `guix build guile -d --no-grafts`
guix gc -R "$drv" | grep `guix build emacs -d --no-grafts`
>177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2020 by Amar M. Singh <nly@disroot.org>
;;; Copyright © 2016-2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

;; Avoid interference.
(unsetenv "http_proxy")

(define-module (test-publish)
  #:use-module (guix scripts publish)
  #:use-module (guix tests)
  #:use-module (guix config)
  #:use-module (guix utils)
  #:use-module (gcrypt hash)
  #:use-module (guix store)
  #:use-module (guix derivations)
  #:use-module (guix gexp)
  #:use-module (guix base32)
  #:use-module (guix base64)
  #:use-module ((guix records) #:select (recutils->alist))
  #:use-module ((guix serialization) #:select (restore-file))
  #:use-module (gcrypt pk-crypto)
  #:use-module ((guix pki) #:select (%public-key-file %private-key-file))
  #:use-module (zlib)
  #:use-module (lzlib)
  #:autoload   (zstd) (call-with-zstd-input-port)
  #:use-module (web uri)
  #:use-module (web client)
  #:use-module (web request)
  #:use-module (web response)
  #:use-module ((guix http-client) #:select (http-multiple-get))
  #:use-module (rnrs bytevectors)
  #:use-module (ice-9 binary-ports)
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-26)
  #:use-module (srfi srfi-64)
  #:use-module (srfi srfi-71)
  #:use-module (ice-9 threads)
  #:use-module (ice-9 format)
  #:use-module (ice-9 match)
  #:use-module (ice-9 rdelim))

(define %store
  (open-connection-for-tests))

(define (zstd-supported?)
  (resolve-module '(zstd) #t #f #:ensure #f))

(define %reference (add-text-to-store %store "ref" "foo"))

(define %item (add-text-to-store %store "item" "bar" (list %reference)))

(define (http-get-body uri)
  (call-with-values (lambda () (http-get uri))
    (lambda (response body) body)))

(define (http-get-port uri)
  (let ((socket (open-socket-for-uri uri)))
    ;; Make sure to use an unbuffered port so that we can then peek at the
    ;; underlying file descriptor via 'call-with-gzip-input-port'.
    (setvbuf socket 'none)
    (call-with-values
        (lambda ()
          (http-get uri #:port socket #:streaming? #t))
      (lambda (response port)
        ;; Don't (setvbuf port 'none) because of <http://bugs.gnu.org/19610>
        ;; (PORT might be a custom binary input port).
        port))))

(define (publish-uri route)
  (string-append "http://localhost:6789" route))

(define-syntax-rule (with-separate-output-ports exp ...)
  ;; Since ports aren't thread-safe in Guile 2.0, duplicate the output and
  ;; error ports to make sure the two threads don't end up stepping on each
  ;; other's toes.
  (with-output-to-port (duplicate-port (current-output-port) "w")
    (lambda ()
      (with-error-to-port (duplicate-port (current-error-port) "w")
        (lambda ()
          exp ...)))))

;; Run a local publishing server in a separate thread.
(with-separate-output-ports
 (call-with-new-thread
  (lambda ()
    (guix-publish "--port=6789" "-C0"))))     ;attempt to avoid port collision

(define (wait-until-ready port)
  ;; Wait until the server is accepting connections.
  (let ((conn (socket PF_INET SOCK_STREAM 0)))
    (let loop ()
      (unless (false-if-exception
               (connect conn AF_INET (inet-pton AF_INET "127.0.0.1") port))
        (loop)))))

(define (wait-for-file file)
  ;; Wait until FILE shows up.
  (let loop ((i 20))
    (cond ((file-exists? file)
           #t)
          ((zero? i)
           (error "file didn't show up" file))
          (else
           (pk 'wait-for-file file)
           (sleep 1)
           (loop (- i 1))))))

(define %gzip-magic-bytes
  ;; Magic bytes of gzip file.
  #vu8(#x1f #x8b))

;; Wait until the two servers are ready.
(wait-until-ready 6789)

;; Initialize the public/private key SRFI-39 parameters.
(%public-key (read-file-sexp %public-key-file))
(%private-key (read-file-sexp %private-key-file))


(test-begin "publish")

(test-equal "/nix-cache-info"
  (format #f "StoreDir: ~a\nWantMassQuery: 0\nPriority: 100\n"
          %store-directory)
  (http-get-body (publish-uri "/nix-cache-info")))

(test-equal "/*.narinfo"
  (let* ((info (query-path-info %store %item))
         (unsigned-info
          (format #f
                  "StorePath: ~a
NarHash: sha256:~a
NarSize: ~d
References: ~a~%"
                  %item
                  (bytevector->nix-base32-string
                   (path-info-hash info))
                  (path-info-nar-size info)
                  (basename (first (path-info-references info)))))
         (signature (base64-encode
                     (string->utf8
                      (canonical-sexp->string
                       (signed-string unsigned-info))))))
    (format #f "~aSignature: 1;~a;~a
URL: nar/~a
Compression: none
FileSize: ~a\n"
            unsigned-info (gethostname) signature
            (basename %item)
            (path-info-nar-size info)))
  (utf8->string
   (http-get-body
    (publish-uri
     (string-append "/" (store-path-hash-part %item) ".narinfo")))))

(test-equal "/*.narinfo pipeline"
  (make-list 500 200)
  ;; Make sure clients can pipeline requests and correct responses, in the
  ;; right order.  See <https://issues.guix.gnu.org/54723>.
  (let* ((uri (string->uri (publish-uri
                            (string-append "/"
                                           (store-path-hash-part %item)
                                           ".narinfo"))))
         (_ expected (http-get uri #:streaming? #f #:decode-body? #f)))
    (http-multiple-get (string->uri (publish-uri ""))
                       (lambda (request response port result)
                         (and (bytevector=? expected
                                            (get-bytevector-n port
                                                              (response-content-length
                                                               response)))
                              (cons (response-code response) result)))
                       '()
                       (make-list 500 (build-request uri))
                       #:batch-size 77)))

(test-equal "/*.narinfo with properly encoded '+' sign"
  ;; See <http://bugs.gnu.org/21888>.
  (let* ((item (add-text-to-store %store "fake-gtk+" "Congrats!"))
         (info (query-path-info %store item))
         (unsigned-info
          (format #f
                  "StorePath: ~a
NarHash: sha256:~a
NarSize: ~d
References: ~%"
                  item
                  (bytevector->nix-base32-string
                   (path-info-hash info))
                  (path-info-nar-size info)))
         (signature (base64-encode
                     (string->utf8
                      (canonical-sexp->string
                       (signed-string unsigned-info))))))
    (format #f "~aSignature: 1;~a;~a
URL: nar/~a
Compression: none
FileSize: ~a~%"
            unsigned-info (gethostname) signature
            (uri-encode (basename item))
            (path-info-nar-size info)))

  (let ((item (add-text-to-store %store "fake-gtk+" "Congrats!")))
    (utf8->string
     (http-get-body
      (publish-uri
       (string-append "/" (store-path-hash-part item) ".narinfo"))))))

(test-equal "/nar/*"
  "bar"
  (call-with-temporary-output-file
   (lambda (temp port)
     (let ((nar (utf8->string
                 (http-get-body
                  (publish-uri
                   (string-append "/nar/" (basename %item)))))))
       (call-with-input-string nar (cut restore-file <> temp)))
     (call-with-input-file temp read-string))))

(test-equal "/nar/gzip/*"
  "bar"
  (call-with-temporary-output-file
   (lambda (temp port)
     (let ((nar (http-get-port
                 (publish-uri
                  (string-append "/nar/gzip/" (basename %item))))))
       (call-with-gzip-input-port nar
         (cut restore-file <> temp)))
     (call-with-input-file temp read-string))))

(test-equal "/nar/gzip/* is really gzip"
  %gzip-magic-bytes
  ;; Since 'gzdopen' (aka. 'call-with-gzip-input-port') transparently reads
  ;; uncompressed gzip, the test above doesn't check whether it's actually
  ;; gzip.  This is what this test does.  See <https://bugs.gnu.org/30184>.
  (let ((nar (http-get-port
              (publish-uri
               (string-append "/nar/gzip/" (basename %item))))))
    (get-bytevector-n nar (bytevector-length %gzip-magic-bytes))))

(test-equal "/nar/lzip/*"
  "bar"
  (call-with-temporary-output-file
   (lambda (temp port)
     (let ((nar (http-get-port
                 (publish-uri
                  (string-append "/nar/lzip/" (basename %item))))))
       (call-with-lzip-input-port nar
         (cut restore-file <> temp)))
     (call-with-input-file temp read-string))))

(unless (zstd-supported?) (test-skip 1))
(test-equal "/nar/zstd/*"
  "bar"
  (call-with-temporary-output-file
   (lambda (temp port)
     (let ((nar (http-get-port
                 (publish-uri
                  (string-append "/nar/zstd/" (basename %item))))))
       (call-with-zstd-input-port nar
         (cut restore-file <> temp)))
     (call-with-input-file temp read-string))))

(test-equal "/*.narinfo with compression"
  `(("StorePath" . ,%item)
    ("URL" . ,(string-append "nar/gzip/" (basename %item)))
    ("Compression" . "gzip"))
  (let ((thread (with-separate-output-ports
                 (call-with-new-thread
                  (lambda ()
                    (guix-publish "--port=6799" "-C5"))))))
    (wait-until-ready 6799)
    (let* ((url  (string-append "http://localhost:6799/"
                                (store-path-hash-part %item) ".narinfo"))
           (body (http-get-port url)))
      (filter (lambda (item)
                (match item
                  (("Compression" . _) #t)
                  (("StorePath" . _)  #t)
                  (("URL" . _) #t)
                  (_ #f)))
              (recutils->alist body)))))

(test-equal "/*.narinfo with lzip compression"
  `(("StorePath" . ,%item)
    ("URL" . ,(string-append "nar/lzip/" (basename %item)))
    ("Compression" . "lzip"))
  (let ((thread (with-separate-output-ports
                 (call-with-new-thread
                  (lambda ()
                    (guix-publish "--port=6790" "-Clzip"))))))
    (wait-until-ready 6790)
    (let* ((url  (string-append "http://localhost:6790/"
                                (store-path-hash-part %item) ".narinfo"))
           (body (http-get-port url)))
      (filter (lambda (item)
                (match item
                  (("Compression" . _) #t)
                  (("StorePath" . _)  #t)
                  (("URL" . _) #t)
                  (_ #f)))
              (recutils->alist body)))))

(test-equal "/*.narinfo for a compressed file"
  '("none" "nar")          ;compression-less nar
  ;; Assume 'guix publish -C' is already running on port 6799.
  (let* ((item (add-text-to-store %store "fake.tar.gz"
                                  "This is a fake compressed file."))
         (url  (string-append "http://localhost:6799/"
                              (store-path-hash-part item) ".narinfo"))
         (body (http-get-port url))
         (info (recutils->alist body)))
    (list (assoc-ref info "Compression")
          (dirname (assoc-ref info "URL")))))

(test-equal "/*.narinfo with lzip + gzip"
  `((("StorePath" . ,%item)
     ("URL" . ,(string-append "nar/gzip/" (basename %item)))
     ("Compression" . "gzip")
     ("URL" . ,(string-append "nar/lzip/" (basename %item)))
     ("Compression" . "lzip"))
    200
    200)
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6793" "-Cgzip:2" "-Clzip:2"))))))
       (wait-until-ready 6793)
       (let* ((base "http://localhost:6793/")
              (part (store-path-hash-part %item))
              (url  (string-append base part ".narinfo"))
              (body (http-get-port url)))
         (list (filter (match-lambda
                         (("StorePath" . _) #t)
                         (("URL" . _) #t)
                         (("Compression" . _) #t)
                         (_ #f))
                       (recutils->alist body))
               (response-code
                (http-get (string-append base "nar/gzip/"
                                         (basename %item))))
               (response-code
                (http-get (string-append base "nar/lzip/"
                                         (basename %item))))))))))

(test-equal "custom nar path"
  ;; Serve nars at /foo/bar/chbouib instead of /nar.
  (list `(("StorePath" . ,%item)
          ("URL" . ,(string-append "foo/bar/chbouib/" (basename %item)))
          ("Compression" . "none"))
        200
        404)
  (let ((thread (with-separate-output-ports
                 (call-with-new-thread
                  (lambda ()
                    (guix-publish "--port=6798" "-C0"
                                  "--nar-path=///foo/bar//chbouib/"))))))
    (wait-until-ready 6798)
    (let* ((base    "http://localhost:6798/")
           (part    (store-path-hash-part %item))
           (url     (string-append base part ".narinfo"))
           (nar-url (string-append base "foo/bar/chbouib/"
                                   (basename %item)))
           (body    (http-get-port url)))
      (list (filter (lambda (item)
                      (match item
                        (("Compression" . _) #t)
                        (("StorePath" . _)  #t)
                        (("URL" . _) #t)
                        (_ #f)))
                    (recutils->alist body))
            (response-code (http-get nar-url))
            (response-code
             (http-get (string-append base "nar/" (basename %item))))))))

(test-equal "/nar/ with properly encoded '+' sign"
  "Congrats!"
  (let ((item (add-text-to-store %store "fake-gtk+" "Congrats!")))
    (call-with-temporary-output-file
     (lambda (temp port)
       (let ((nar (utf8->string
                   (http-get-body
                    (publish-uri
                     (string-append "/nar/" (uri-encode (basename item))))))))
         (call-with-input-string nar (cut restore-file <> temp)))
       (call-with-input-file temp read-string)))))

(test-equal "/nar/invalid"
  404
  (begin
    (call-with-output-file (string-append (%store-prefix) "/invalid")
      (lambda (port)
        (display "This file is not a valid store item." port)))
    (response-code (http-get (publish-uri (string-append "/nar/invalid"))))))

(test-equal "/file/NAME/sha256/HASH"
  "Hello, Guix world!"
  (let* ((data "Hello, Guix world!")
         (hash (call-with-input-string data port-sha256))
         (drv  (run-with-store %store
                 (gexp->derivation "the-file.txt"
                                   #~(call-with-output-file #$output
                                       (lambda (port)
                                         (display #$data port)))
                                   #:hash-algo 'sha256
                                   #:hash hash)))
         (out  (build-derivations %store (list drv))))
    (utf8->string
     (http-get-body
      (publish-uri
       (string-append "/file/the-file.txt/sha256/"
                      (bytevector->nix-base32-string hash)))))))

(test-equal "/file/NAME/sha256/INVALID-NIX-BASE32-STRING"
  404
  (let ((uri (publish-uri
              "/file/the-file.txt/sha256/not-a-nix-base32-string")))
    (response-code (http-get uri))))

(test-equal "/file/NAME/sha256/INVALID-HASH"
  404
  (let ((uri (publish-uri
              (string-append "/file/the-file.txt/sha256/"
                             (bytevector->nix-base32-string
                              (call-with-input-string "" port-sha256))))))
    (response-code (http-get uri))))

(test-equal "with cache"
  (list #t
        `(("StorePath" . ,%item)
          ("URL" . ,(string-append "nar/gzip/" (basename %item)))
          ("Compression" . "gzip"))
        200                                       ;nar/gzip/…
        #t                                        ;Content-Length
        #t                                        ;FileSize
        404)                                      ;nar/…
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6797" "-C2"
                                     (string-append "--cache=" cache)
                                     "--cache-bypass-threshold=0"))))))
       (wait-until-ready 6797)
       (let* ((base     "http://localhost:6797/")
              (part     (store-path-hash-part %item))
              (url      (string-append base part ".narinfo"))
              (nar-url  (string-append base "nar/gzip/" (basename %item)))
              (cached   (string-append cache "/gzip/" (basename %item)
                                       ".narinfo"))
              (nar      (string-append cache "/gzip/"
                                       (basename %item) ".nar"))
              (response (http-get url)))
         (and (= 404 (response-code response))

              ;; We should get an explicitly short TTL for 404 in this case
              ;; because it's going to become 200 shortly.
              (match (assq-ref (response-headers response) 'cache-control)
                ((('max-age . ttl))
                 (< ttl 3600)))

              (wait-for-file cached)

              ;; Both the narinfo and nar should be world-readable.
              (= #o444 (logand #o444 (stat:perms (lstat cached))))
              (= #o444 (logand #o444 (stat:perms (lstat nar))))

              (let* ((body         (http-get-port url))
                     (compressed   (http-get nar-url))
                     (uncompressed (http-get (string-append base "nar/"
                                                            (basename %item))))
                     (narinfo      (recutils->alist body)))
                (list (file-exists? nar)
                      (filter (lambda (item)
                                (match item
                                  (("Compression" . _) #t)
                                  (("StorePath" . _)  #t)
                                  (("URL" . _) #t)
                                  (_ #f)))
                              narinfo)
                      (response-code compressed)
                      (= (response-content-length compressed)
                         (stat:size (stat nar)))
                      (= (string->number
                          (assoc-ref narinfo "FileSize"))
                         (stat:size (stat nar)))
                      (response-code uncompressed)))))))))

(test-equal "with cache, lzip + gzip"
  '(200 200 404)
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6794" "-Cgzip:2" "-Clzip:2"
                                     (string-append "--cache=" cache)
                                     "--cache-bypass-threshold=0"))))))
       (wait-until-ready 6794)
       (let* ((base     "http://localhost:6794/")
              (part     (store-path-hash-part %item))
              (url      (string-append base part ".narinfo"))
              (nar-url  (cute string-append "nar/" <> "/"
                              (basename %item)))
              (cached   (cute string-append cache "/" <> "/"
                              (basename %item) ".narinfo"))
              (nar      (cute string-append cache "/" <> "/"
                              (basename %item) ".nar"))
              (response (http-get url)))
         (wait-for-file (cached "gzip"))
         (let* ((body         (http-get-port url))
                (narinfo      (recutils->alist body))
                (uncompressed (string-append base "nar/"
                                             (basename %item))))
           (and (file-exists? (nar "gzip"))
                (file-exists? (nar "lzip"))
                (match (pk 'narinfo/gzip+lzip narinfo)
                  ((("StorePath" . path)
                    _ ...
                    ("Signature" . _)
                    ("URL" . gzip-url)
                    ("Compression" . "gzip")
                    ("FileSize" . (= string->number gzip-size))
                    ("URL" . lzip-url)
                    ("Compression" . "lzip")
                    ("FileSize" . (= string->number lzip-size)))
                   (and (string=? gzip-url (nar-url "gzip"))
                        (string=? lzip-url (nar-url "lzip"))
                        (= gzip-size
                           (stat:size (stat (nar "gzip"))))
                        (= lzip-size
                           (stat:size (stat (nar "lzip")))))))
                (list (response-code
                       (http-get (string-append base (nar-url "gzip"))))
                      (response-code
                       (http-get (string-append base (nar-url "lzip"))))
                      (response-code
                       (http-get uncompressed))))))))))

(let ((item (add-text-to-store %store "fake-compressed-thing.tar.gz"
                               (random-text))))
  (test-equal "with cache, uncompressed"
    (list #t
          (* 42 3600)                             ;TTL on narinfo
          `(("StorePath" . ,item)
            ("URL" . ,(string-append "nar/" (basename item)))
            ("Compression" . "none"))
          200                                     ;nar/…
          (* 42 3600)                             ;TTL on nar/…
          (path-info-nar-size
           (query-path-info %store item))         ;FileSize
          404)                                    ;nar/gzip/…
    (call-with-temporary-directory
     (lambda (cache)
       (let ((thread (with-separate-output-ports
                      (call-with-new-thread
                       (lambda ()
                         (guix-publish "--port=6796" "-C2" "--ttl=42h"
                                       (string-append "--cache=" cache)
                                       "--cache-bypass-threshold=0"))))))
         (wait-until-ready 6796)
         (let* ((base     "http://localhost:6796/")
                (part     (store-path-hash-part item))
                (url      (string-append base part ".narinfo"))
                (cached   (string-append cache "/none/"
                                         (basename item) ".narinfo"))
                (nar      (string-append cache "/none/"
                                         (basename item) ".nar"))
                (response (http-get url)))
           (and (= 404 (response-code response))

                (wait-for-file cached)
                (let* ((response     (http-get url))
                       (body         (http-get-port url))
                       (compressed   (http-get (string-append base "nar/gzip/"
                                                              (basename item))))
                       (uncompressed (http-get (string-append base "nar/"
                                                              (basename item))))
                       (narinfo      (recutils->alist body)))
                  (list (file-exists? nar)
                        (match (assq-ref (response-headers response)
                                         'cache-control)
                          ((('max-age . ttl)) ttl)
                          (_ #f))

                        (filter (lambda (item)
                                  (match item
                                    (("Compression" . _) #t)
                                    (("StorePath" . _)  #t)
                                    (("URL" . _) #t)
                                    (_ #f)))
                                narinfo)
                        (response-code uncompressed)
                        (match (assq-ref (response-headers uncompressed)
                                         'cache-control)
                          ((('max-age . ttl)) ttl)
                          (_ #f))

                        (string->number
                         (assoc-ref narinfo "FileSize"))
                        (response-code compressed))))))))))

(test-equal "with cache, vanishing item"         ;<https://bugs.gnu.org/33897>
  200
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6795"
                                     (string-append "--cache=" cache)))))))
       (wait-until-ready 6795)

       ;; Make sure that, even if ITEM disappears, we're still able to fetch
       ;; it.
       (let* ((base     "http://localhost:6795/")
              (item     (add-text-to-store %store "random" (random-text)))
              (part     (store-path-hash-part item))
              (url      (string-append base part ".narinfo"))
              (cached   (string-append cache "/gzip/"
                                       (basename item)
                                       ".narinfo"))
              (response (http-get url)))
         (and (= 200 (response-code response))    ;we're below the threshold
              (wait-for-file cached)
              (begin
                (delete-paths %store (list item))
                (response-code (pk 'response (http-get url))))))))))

(test-equal "with cache, cache bypass"
  200
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6788" "-C" "gzip"
                                     (string-append "--cache=" cache)))))))
       (wait-until-ready 6788)

       (let* ((base     "http://localhost:6788/")
              (item     (add-text-to-store %store "random" (random-text)))
              (part     (store-path-hash-part item))
              (narinfo  (string-append base part ".narinfo"))
              (nar      (string-append base "nar/gzip/" (basename item)))
              (cached   (string-append cache "/gzip/" (basename item)
                                       ".narinfo")))
         ;; We're below the default cache bypass threshold, so NAR and NARINFO
         ;; should immediately return 200.  The NARINFO request should trigger
         ;; caching, and the next request to NAR should return 200 as well.
         (and (let ((response (pk 'r1 (http-get nar))))
                (and (= 200 (response-code response))
                     (not (response-content-length response)))) ;not known
              (= 200 (response-code (http-get narinfo)))
              (begin
                (wait-for-file cached)
                (let ((response (pk 'r2 (http-get nar))))
                  (and (> (response-content-length response)
                          (stat:size (stat item)))
                       (response-code response))))))))))

(test-equal "with cache, cache bypass, unmapped hash part"
  200

  ;; This test reproduces the bug described in <https://bugs.gnu.org/44442>:
  ;; the daemon connection would be closed as a side effect of a nar request
  ;; for a non-existing file name.
  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6787" "-C" "gzip"
                                     (string-append "--cache=" cache)))))))
       (wait-until-ready 6787)

       (let* ((base     "http://localhost:6787/")
              (item     (add-text-to-store %store "random" (random-text)))
              (part     (store-path-hash-part item))
              (narinfo  (string-append base part ".narinfo"))
              (nar      (string-append base "nar/gzip/" (basename item)))
              (cached   (string-append cache "/gzip/" (basename item)
                                       ".narinfo")))
         ;; The first response used to be 500 and to terminate the daemon
         ;; connection as a side effect.
         (and (= (response-code
                  (http-get (string-append base "nar/gzip/"
                                           (make-string 32 #\e)
                                           "-does-not-exist")))
                 404)
              (= 200 (response-code (http-get nar)))
              (= 200 (response-code (http-get narinfo)))
              (begin
                (wait-for-file cached)
                (response-code (http-get nar)))))))))

(test-equal "/log/NAME"
  `(200 #t text/plain (gzip))
  (let ((drv (run-with-store %store
               (gexp->derivation "with-log"
                                 #~(call-with-output-file #$output
                                     (lambda (port)
                                       (display "Hello, build log!"
                                                (current-error-port))
                                       (display #$(random-text) port)))))))
    (build-derivations %store (list drv))
    (let* ((response (http-get
                      (publish-uri (string-append "/log/"
                                                  (basename (derivation->output-path drv))))
                      #:decode-body? #f))
           (base     (basename (derivation-file-name drv)))
           (log      (string-append (dirname %state-directory)
                                    "/log/guix/drvs/" (string-take base 2)
                                    "/" (string-drop base 2) ".gz")))
      (list (response-code response)
            (= (response-content-length response) (stat:size (stat log)))
            (first (response-content-type response))
            (response-content-encoding response)))))

(test-equal "negative TTL"
  `(404 42)

  (call-with-temporary-directory
   (lambda (cache)
     (let ((thread (with-separate-output-ports
                    (call-with-new-thread
                     (lambda ()
                       (guix-publish "--port=6786" "-C0"
                                     "--negative-ttl=42s"))))))
       (wait-until-ready 6786)

       (let* ((base     "http://localhost:6786/")
              (url      (string-append base (make-string 32 #\z)
                                       ".narinfo"))
              (response (http-get url)))
         (list (response-code response)
               (match (assq-ref (response-headers response) 'cache-control)
                 ((('max-age . ttl)) ttl)
                 (_ #f))))))))

(test-equal "no negative TTL"
  `(404 #f)
  (let* ((uri      (publish-uri
                    (string-append "/" (make-string 32 #\z)
                                   ".narinfo")))
         (response (http-get uri)))
    (list (response-code response)
          (assq-ref (response-headers response) 'cache-control))))

(test-equal "/log/NAME not found"
  404
  (let ((uri (publish-uri "/log/does-not-exist")))
    (response-code (http-get uri))))

(test-equal "/signing-key.pub"
  200
  (response-code (http-get (publish-uri "/signing-key.pub"))))

(test-equal "non-GET query"
  '(200 404)
  (let ((path (string-append "/" (store-path-hash-part %item)
                             ".narinfo")))
    (map response-code
         (list (http-get (publish-uri path))
               (http-post (publish-uri path))))))

(test-end "publish")