X-Git-Url: https://git.hcoop.net/jackhill/guix/guix.git/blobdiff_plain/a00ffdaa17c7ac96bb86734bac08a90c7785c98a..7ca97fae366b5ac8324a774d8aa09c2a36348666:/tests/lint.scm

diff --git a/tests/lint.scm b/tests/lint.scm
index c439faa30e..d692b42f93 100644
--- a/tests/lint.scm
+++ b/tests/lint.scm
@@ -1,5 +1,8 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012, 2013 Cyril Roelandt <tipecaml@gmail.com>
+;;; Copyright © 2014, 2015, 2016 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016 Mathieu Lirzin <mthl@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -16,140 +19,681 @@
 ;;; 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-packages)
-  #:use-module (guix build download)
+(define-module (test-lint)
+  #:use-module (guix tests)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
   #:use-module (guix build-system gnu)
   #:use-module (guix packages)
   #:use-module (guix scripts lint)
   #:use-module (guix ui)
   #:use-module (gnu packages)
+  #:use-module (gnu packages glib)
   #:use-module (gnu packages pkg-config)
+  #:use-module (web server)
+  #:use-module (web server http)
+  #:use-module (web response)
+  #:use-module (ice-9 match)
+  #:use-module (ice-9 threads)
+  #:use-module (srfi srfi-9 gnu)
   #:use-module (srfi srfi-64))
 
 ;; Test the linter.
 
+(define %http-server-port
+  ;; TCP port to use for the stub HTTP server.
+  9999)
+
+(define %local-url
+  ;; URL to use for 'home-page' tests.
+  (string-append "http://localhost:" (number->string %http-server-port)
+                 "/foo/bar"))
+
+(define %null-sha256
+  ;; SHA256 of the empty string.
+  (base32
+   "0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73"))
+
+(define %http-server-socket
+  ;; Socket used by the Web server.
+  (catch 'system-error
+    (lambda ()
+      (let ((sock (socket PF_INET SOCK_STREAM 0)))
+        (setsockopt sock SOL_SOCKET SO_REUSEADDR 1)
+        (bind sock
+              (make-socket-address AF_INET INADDR_LOOPBACK
+                                   %http-server-port))
+        sock))
+    (lambda args
+      (let ((err (system-error-errno args)))
+        (format (current-error-port)
+                "warning: cannot run Web server for tests: ~a~%"
+                (strerror err))
+        #f))))
+
+(define (http-write server client response body)
+  "Write RESPONSE."
+  (let* ((response (write-response response client))
+         (port     (response-port response)))
+    (cond
+     ((not body))                                 ;pass
+     (else
+      (write-response-body response body)))
+    (close-port port)
+    (quit #t)                                     ;exit the server thread
+    (values)))
+
+;; Mutex and condition variable to synchronize with the HTTP server.
+(define %http-server-lock (make-mutex))
+(define %http-server-ready (make-condition-variable))
+
+(define (http-open . args)
+  "Start listening for HTTP requests and signal %HTTP-SERVER-READY."
+  (with-mutex %http-server-lock
+    (let ((result (apply (@@ (web server http) http-open) args)))
+      (signal-condition-variable %http-server-ready)
+      result)))
+
+(define-server-impl stub-http-server
+  ;; Stripped-down version of Guile's built-in HTTP server.
+  http-open
+  (@@ (web server http) http-read)
+  http-write
+  (@@ (web server http) http-close))
+
+(define (call-with-http-server code data thunk)
+  "Call THUNK with an HTTP server running and returning CODE and DATA (a
+string) on HTTP requests."
+  (define (server-body)
+    (define (handle request body)
+      (values (build-response #:code code
+                              #:reason-phrase "Such is life")
+              data))
+
+    (catch 'quit
+      (lambda ()
+        (run-server handle stub-http-server
+                    `(#:socket ,%http-server-socket)))
+      (const #t)))
+
+  (with-mutex %http-server-lock
+    (let ((server (make-thread server-body)))
+      (wait-condition-variable %http-server-ready %http-server-lock)
+      ;; Normally SERVER exits automatically once it has received a request.
+      (thunk))))
+
+(define-syntax-rule (with-http-server code data body ...)
+  (call-with-http-server code data (lambda () body ...)))
+
+(define %long-string
+  (make-string 2000 #\a))
+
 
 (test-begin "lint")
 
-(define-syntax-rule (dummy-package name* extra-fields ...)
-  (package extra-fields ... (name name*) (version "0") (source #f)
-           (build-system gnu-build-system)
-           (synopsis #f) (description #f)
-           (home-page #f) (license #f) ))
-
 (define (call-with-warnings thunk)
   (let ((port (open-output-string)))
     (parameterize ((guix-warning-port port))
       (thunk))
     (get-output-string port)))
 
+(define-syntax-rule (with-warnings body ...)
+  (call-with-warnings (lambda () body ...)))
+
+(test-assert "description: not a string"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (description 'foobar))))
+                        (check-description-style pkg)))
+                    "invalid description")))
+
+(test-assert "description: not empty"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (description ""))))
+                        (check-description-style pkg)))
+                    "description should not be empty")))
+
+(test-assert "description: valid Texinfo markup"
+  (->bool
+   (string-contains
+    (with-warnings
+      (check-description-style (dummy-package "x" (description "f{oo}b@r"))))
+    "Texinfo markup in description is invalid")))
+
 (test-assert "description: does not start with an upper-case letter"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (description "bad description."))))
-                          (check-description-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (description "bad description."))))
+                        (check-description-style pkg)))
                     "description should start with an upper-case letter")))
 
+(test-assert "description: may start with a digit"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "x"
+                  (description "2-component library."))))
+       (check-description-style pkg)))))
+
+(test-assert "description: may start with lower-case package name"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "x"
+                  (description "x is a dummy package."))))
+       (check-description-style pkg)))))
+
+(test-assert "description: two spaces after end of sentence"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (description "Bad. Quite bad."))))
+                        (check-description-style pkg)))
+                    "sentences in description should be followed by two spaces")))
+
+(test-assert "description: end-of-sentence detection with abbreviations"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "x"
+                  (description
+                   "E.g. Foo, i.e. Bar resp. Baz (a.k.a. DVD)."))))
+       (check-description-style pkg)))))
+
+(test-assert "description: may not contain trademark signs"
+  (and (->bool
+        (string-contains (with-warnings
+                           (let ((pkg (dummy-package "x"
+                                        (description "Does The Right Thing™"))))
+                             (check-description-style pkg)))
+                         "should not contain trademark sign"))
+       (->bool
+        (string-contains (with-warnings
+                           (let ((pkg (dummy-package "x"
+                                        (description "Works with Format®"))))
+                             (check-description-style pkg)))
+                         "should not contain trademark sign"))))
+
+(test-assert "synopsis: not a string"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis #f))))
+                        (check-synopsis-style pkg)))
+                    "invalid synopsis")))
+
+(test-assert "synopsis: not empty"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis ""))))
+                        (check-synopsis-style pkg)))
+                    "synopsis should not be empty")))
+
 (test-assert "synopsis: does not start with an upper-case letter"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "bad synopsis."))))
-                          (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "bad synopsis."))))
+                        (check-synopsis-style pkg)))
                     "synopsis should start with an upper-case letter")))
 
+(test-assert "synopsis: may start with a digit"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "x"
+                  (synopsis "5-dimensional frobnicator"))))
+       (check-synopsis-style pkg)))))
+
 (test-assert "synopsis: ends with a period"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "Bad synopsis."))))
-                          (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "Bad synopsis."))))
+                        (check-synopsis-style pkg)))
                     "no period allowed at the end of the synopsis")))
 
 (test-assert "synopsis: ends with 'etc.'"
-  (->bool
-   (string-null? (call-with-warnings
-                   (lambda ()
-                     (let ((pkg (dummy-package "x"
-                                  (synopsis "Foo, bar, etc."))))
-                       (check-synopsis-style pkg)))))))
+  (string-null? (with-warnings
+                  (let ((pkg (dummy-package "x"
+                               (synopsis "Foo, bar, etc."))))
+                    (check-synopsis-style pkg)))))
 
 (test-assert "synopsis: starts with 'A'"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "A bad synopŝis"))))
-                          (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "A bad synopŝis"))))
+                        (check-synopsis-style pkg)))
                     "no article allowed at the beginning of the synopsis")))
 
 (test-assert "synopsis: starts with 'An'"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "An awful synopsis"))))
-                        (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "An awful synopsis"))))
+                        (check-synopsis-style pkg)))
                     "no article allowed at the beginning of the synopsis")))
 
 (test-assert "synopsis: starts with 'a'"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "a bad synopsis"))))
-                        (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "a bad synopsis"))))
+                        (check-synopsis-style pkg)))
                     "no article allowed at the beginning of the synopsis")))
 
 (test-assert "synopsis: starts with 'an'"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis "an awful synopsis"))))
-                        (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis "an awful synopsis"))))
+                        (check-synopsis-style pkg)))
                     "no article allowed at the beginning of the synopsis")))
 
 (test-assert "synopsis: too long"
   (->bool
-   (string-contains (call-with-warnings
-                      (lambda ()
-                        (let ((pkg (dummy-package "x"
-                                     (synopsis (make-string 80 #\x)))))
-                          (check-synopsis-style pkg))))
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (synopsis (make-string 80 #\x)))))
+                        (check-synopsis-style pkg)))
                     "synopsis should be less than 80 characters long")))
 
+(test-assert "synopsis: start with package name"
+  (->bool
+   (string-contains (with-warnings
+                      (let ((pkg (dummy-package "x"
+                                   (name "foo")
+                                   (synopsis "foo, a nice package"))))
+                        (check-synopsis-style pkg)))
+                    "synopsis should not start with the package name")))
+
+(test-assert "synopsis: start with package name prefix"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "arb"
+                  (synopsis "Arbitrary precision"))))
+       (check-synopsis-style pkg)))))
+
+(test-assert "synopsis: start with abbreviation"
+  (string-null?
+   (with-warnings
+     (let ((pkg (dummy-package "uucp"
+                  ;; Same problem with "APL interpreter", etc.
+                  (synopsis "UUCP implementation")
+                  (description "Imagine this is Taylor UUCP."))))
+       (check-synopsis-style pkg)))))
+
 (test-assert "inputs: pkg-config is probably a native input"
   (->bool
    (string-contains
-     (call-with-warnings
-       (lambda ()
-         (let ((pkg (dummy-package "x"
-                      (inputs `(("pkg-config" ,pkg-config))))))
-              (check-inputs-should-be-native pkg))))
-         "pkg-config should probably be a native input")))
+     (with-warnings
+       (let ((pkg (dummy-package "x"
+                    (inputs `(("pkg-config" ,pkg-config))))))
+         (check-inputs-should-be-native pkg)))
+         "'pkg-config' should probably be a native input")))
+
+(test-assert "inputs: glib:bin is probably a native input"
+  (->bool
+    (string-contains
+      (with-warnings
+        (let ((pkg (dummy-package "x"
+                     (inputs `(("glib" ,glib "bin"))))))
+          (check-inputs-should-be-native pkg)))
+          "'glib:bin' should probably be a native input")))
 
 (test-assert "patches: file names"
   (->bool
    (string-contains
-     (call-with-warnings
-       (lambda ()
-         (let ((pkg (dummy-package "x"
-                      (source
-                       (origin
-                        (method url-fetch)
-                        (uri "someurl")
-                        (sha256 "somesha")
-                        (patches (list "/path/to/y.patch")))))))
-              (check-patches pkg))))
-         "file names of patches should start with the package name")))
+     (with-warnings
+       (let ((pkg (dummy-package "x"
+                    (source
+                     (dummy-origin
+                       (patches (list "/path/to/y.patch")))))))
+         (check-patch-file-names pkg)))
+     "file names of patches should start with the package name")))
+
+(test-assert "patches: not found"
+  (->bool
+   (string-contains
+     (with-warnings
+       (let ((pkg (dummy-package "x"
+                    (source
+                     (dummy-origin
+                       (patches
+                        (list (search-patch "this-patch-does-not-exist!"))))))))
+         (check-patch-file-names pkg)))
+     "patch not found")))
+
+(test-assert "derivation: invalid arguments"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (dummy-package "x"
+                   (arguments
+                    '(#:imported-modules (invalid-module))))))
+        (check-derivation pkg)))
+    "failed to create derivation")))
+
+(test-assert "license: invalid license"
+  (string-contains
+   (with-warnings
+     (check-license (dummy-package "x" (license #f))))
+   "invalid license"))
+
+(test-assert "home-page: wrong home-page"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (package
+                   (inherit (dummy-package "x"))
+                   (home-page #f))))
+        (check-home-page pkg)))
+    "invalid")))
+
+(test-assert "home-page: invalid URI"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (package
+                   (inherit (dummy-package "x"))
+                   (home-page "foobar"))))
+        (check-home-page pkg)))
+    "invalid home page URL")))
+
+(test-assert "home-page: host not found"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (package
+                   (inherit (dummy-package "x"))
+                   (home-page "http://does-not-exist"))))
+        (check-home-page pkg)))
+    "domain not found")))
+
+(test-skip (if %http-server-socket 0 1))
+(test-assert "home-page: Connection refused"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (package
+                   (inherit (dummy-package "x"))
+                   (home-page %local-url))))
+        (check-home-page pkg)))
+    "Connection refused")))
+
+(test-skip (if %http-server-socket 0 1))
+(test-equal "home-page: 200"
+  ""
+  (with-warnings
+   (with-http-server 200 %long-string
+     (let ((pkg (package
+                  (inherit (dummy-package "x"))
+                  (home-page %local-url))))
+       (check-home-page pkg)))))
+
+(test-skip (if %http-server-socket 0 1))
+(test-assert "home-page: 200 but short length"
+  (->bool
+   (string-contains
+    (with-warnings
+      (with-http-server 200 "This is too small."
+        (let ((pkg (package
+                     (inherit (dummy-package "x"))
+                     (home-page %local-url))))
+          (check-home-page pkg))))
+    "suspiciously small")))
+
+(test-skip (if %http-server-socket 0 1))
+(test-assert "home-page: 404"
+  (->bool
+   (string-contains
+    (with-warnings
+      (with-http-server 404 %long-string
+        (let ((pkg (package
+                     (inherit (dummy-package "x"))
+                     (home-page %local-url))))
+          (check-home-page pkg))))
+    "not reachable: 404")))
+
+(test-assert "source-file-name"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (dummy-package "x"
+                   (version "3.2.1")
+                   (source
+                    (origin
+                      (method url-fetch)
+                      (uri "http://www.example.com/3.2.1.tar.gz")
+                      (sha256 %null-sha256))))))
+        (check-source-file-name pkg)))
+    "file name should contain the package name")))
+
+(test-assert "source-file-name: v prefix"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (dummy-package "x"
+                   (version "3.2.1")
+                   (source
+                    (origin
+                      (method url-fetch)
+                      (uri "http://www.example.com/v3.2.1.tar.gz")
+                      (sha256 %null-sha256))))))
+        (check-source-file-name pkg)))
+    "file name should contain the package name")))
+
+(test-assert "source-file-name: bad checkout"
+  (->bool
+   (string-contains
+    (with-warnings
+      (let ((pkg (dummy-package "x"
+                   (version "3.2.1")
+                   (source
+                    (origin
+                      (method git-fetch)
+                      (uri (git-reference
+                            (url "http://www.example.com/x.git")
+                            (commit "0")))
+                      (sha256 %null-sha256))))))
+        (check-source-file-name pkg)))
+    "file name should contain the package name")))
+
+(test-assert "source-file-name: good checkout"
+  (not
+   (->bool
+    (string-contains
+     (with-warnings
+       (let ((pkg (dummy-package "x"
+                    (version "3.2.1")
+                    (source
+                     (origin
+                       (method git-fetch)
+                       (uri (git-reference
+                             (url "http://git.example.com/x.git")
+                             (commit "0")))
+                       (file-name (string-append "x-" version))
+                       (sha256 %null-sha256))))))
+         (check-source-file-name pkg)))
+     "file name should contain the package name"))))
+
+(test-assert "source-file-name: valid"
+  (not
+   (->bool
+    (string-contains
+     (with-warnings
+       (let ((pkg (dummy-package "x"
+                    (version "3.2.1")
+                    (source
+                     (origin
+                       (method url-fetch)
+                       (uri "http://www.example.com/x-3.2.1.tar.gz")
+                       (sha256 %null-sha256))))))
+         (check-source-file-name pkg)))
+     "file name should contain the package name"))))
+
+(test-skip (if %http-server-socket 0 1))
+(test-equal "source: 200"
+  ""
+  (with-warnings
+   (with-http-server 200 %long-string
+     (let ((pkg (package
+                  (inherit (dummy-package "x"))
+                  (source (origin
+                            (method url-fetch)
+                            (uri %local-url)
+                            (sha256 %null-sha256))))))
+       (check-source pkg)))))
+
+(test-skip (if %http-server-socket 0 1))
+(test-assert "source: 200 but short length"
+  (->bool
+   (string-contains
+    (with-warnings
+      (with-http-server 200 "This is too small."
+        (let ((pkg (package
+                     (inherit (dummy-package "x"))
+                     (source (origin
+                               (method url-fetch)
+                               (uri %local-url)
+                               (sha256 %null-sha256))))))
+          (check-source pkg))))
+    "suspiciously small")))
+
+(test-skip (if %http-server-socket 0 1))
+(test-assert "source: 404"
+  (->bool
+   (string-contains
+    (with-warnings
+      (with-http-server 404 %long-string
+        (let ((pkg (package
+                     (inherit (dummy-package "x"))
+                     (source (origin
+                               (method url-fetch)
+                               (uri %local-url)
+                               (sha256 %null-sha256))))))
+          (check-source pkg))))
+    "not reachable: 404")))
+
+(test-assert "cve"
+  (mock ((guix scripts lint) package-vulnerabilities (const '()))
+        (string-null?
+         (with-warnings (check-vulnerabilities (dummy-package "x"))))))
+
+(test-assert "cve: one vulnerability"
+  (mock ((guix scripts lint) package-vulnerabilities
+         (lambda (package)
+           (list (make-struct (@@ (guix cve) <vulnerability>) 0
+                              "CVE-2015-1234"
+                              (list (cons (package-name package)
+                                          (package-version package)))))))
+        (string-contains
+         (with-warnings
+           (check-vulnerabilities (dummy-package "pi" (version "3.14"))))
+         "vulnerable to CVE-2015-1234")))
+
+(test-assert "cve: one patched vulnerability"
+  (mock ((guix scripts lint) package-vulnerabilities
+         (lambda (package)
+           (list (make-struct (@@ (guix cve) <vulnerability>) 0
+                              "CVE-2015-1234"
+                              (list (cons (package-name package)
+                                          (package-version package)))))))
+        (string-null?
+         (with-warnings
+           (check-vulnerabilities
+            (dummy-package "pi"
+                           (version "3.14")
+                           (source
+                            (dummy-origin
+                             (patches
+                              (list "/a/b/pi-CVE-2015-1234.patch"))))))))))
+
+(test-assert "cve: vulnerability fixed in replacement version"
+  (mock ((guix scripts lint) package-vulnerabilities
+         (lambda (package)
+           (match (package-version package)
+             ("0"
+              (list (make-struct (@@ (guix cve) <vulnerability>) 0
+                                 "CVE-2015-1234"
+                                 (list (cons (package-name package)
+                                             (package-version package))))))
+             ("1"
+              '()))))
+        (and (not (string-null?
+                   (with-warnings
+                     (check-vulnerabilities
+                      (dummy-package "foo" (version "0"))))))
+             (string-null?
+              (with-warnings
+                (check-vulnerabilities
+                 (dummy-package
+                  "foo" (version "0")
+                  (replacement (dummy-package "foo" (version "1"))))))))))
+
+(test-assert "cve: patched vulnerability in replacement"
+  (mock ((guix scripts lint) package-vulnerabilities
+         (lambda (package)
+           (list (make-struct (@@ (guix cve) <vulnerability>) 0
+                              "CVE-2015-1234"
+                              (list (cons (package-name package)
+                                          (package-version package)))))))
+        (string-null?
+         (with-warnings
+           (check-vulnerabilities
+            (dummy-package
+             "pi" (version "3.14") (source (dummy-origin))
+             (replacement (dummy-package
+                           "pi" (version "3.14")
+                           (source
+                            (dummy-origin
+                             (patches
+                              (list "/a/b/pi-CVE-2015-1234.patch"))))))))))))
+
+(test-assert "formatting: lonely parentheses"
+  (string-contains
+   (with-warnings
+     (check-formatting
+      (
+       dummy-package "ugly as hell!"
+      )
+      ))
+   "lonely"))
+
+(test-assert "formatting: tabulation"
+  (string-contains
+   (with-warnings
+     (check-formatting (dummy-package "leave the tab here:	")))
+   "tabulation"))
+
+(test-assert "formatting: trailing white space"
+  (string-contains
+   (with-warnings
+     ;; Leave the trailing white space on the next line!
+     (check-formatting (dummy-package "x")))            
+   "trailing white space"))
+
+(test-assert "formatting: long line"
+  (string-contains
+   (with-warnings
+     (check-formatting
+      (dummy-package "x"                          ;here is a stupid comment just to make a long line
+                     )))
+   "too long"))
+
+(test-assert "formatting: alright"
+  (string-null?
+   (with-warnings
+     (check-formatting (dummy-package "x")))))
 
 (test-end "lint")
 
-
-(exit (= (test-runner-fail-count (test-runner-current)) 0))
+;; Local Variables:
+;; eval: (put 'with-http-server 'scheme-indent-function 2)
+;; eval: (put 'with-warnings 'scheme-indent-function 0)
+;; End: