gnu: jami: Work toward reinstating functional tests.

* gnu/packages/patches/jami-enable-testing.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/jami.scm (jami) [source]: Apply it.
[phases] <check>: Use 'ctest' to run tests.  Update comment explaining why the
QML test suite is disabled.

Change-Id: I5c9333a3b5064ecec9a2dd4fe13ae597d5354b7c

gnu/local.mk

@@ -1505,6 +1505,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/isl-0.11.1-aarch64-support.patch	\
   %D%/packages/patches/isync-openssl3-fix.patch			\
   %D%/packages/patches/itk-snap-alt-glibc-compat.patch		\
+  %D%/packages/patches/jami-enable-testing.patch		\
   %D%/packages/patches/jami-libjami-headers-search.patch	\
   %D%/packages/patches/jami-qwindowkit.patch			\
   %D%/packages/patches/jami-skip-tests-requiring-internet.patch	\

gnu/packages/jami.scm

@@ -232,6 +232,7 @@ (define-public jami
                (base32
                 "1wqi50n80khyngj48brc8wg3m6jq471h9gm62yxpj4f8z5j81ncd"))
               (patches (search-patches
+                        "jami-enable-testing.patch"
                         "jami-libjami-headers-search.patch"
                         "jami-qwindowkit.patch"
                         "jami-skip-tests-requiring-internet.patch"
@@ -276,22 +277,28 @@ (define-public jami
               ;; https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/1504).
               (setenv "XDG_SESSION_TYPE" "x11")))
           (replace 'check
-            (lambda* (#:key tests? #:allow-other-keys)
+            (lambda* (#:key tests? parallel-tests? #:allow-other-keys)
               (when tests?
                 (setenv "QT_QPA_PLATFORM" "offscreen")
                 (setenv "QT_QUICK_BACKEND" "software")
                 ;; The tests require a writable HOME.
                 (setenv "HOME" "/tmp")
 
-                (display "Running unit tests...\n")
-                (invoke "tests/unit_tests")
+                (let ((ctest-args
+                       (list "-V" "--output-on-failure"
+                             "-j" (if parallel-tests?
+                                      (number->string (parallel-job-count))
+                                      "1"))))
 
-                ;; The qml_tests suite is not run, as it currently exits with
-                ;; an unclear status of 1 (see:
-                ;; https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/1605).
-                ;; (display "Running functional tests...\n")
-                ;; (invoke "tests/qml_tests")
-                ))))))
+                  (display "Running unit tests...\n")
+                  (apply invoke "ctest" "-R" "Unit_Tests" ctest-args)
+
+                  ;; The QML test suite is currently disabled as it segfaults
+                  ;; (see:
+                  ;; https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/1631).
+                  ;; (display "Running functional tests...\n") (apply invoke
+                  ;; "ctest" "-R" "Qml_Tests" ctest-args)
+                  )))))))
     (native-inputs
      (list googletest
            pkg-config

gnu/packages/patches/jami-enable-testing.patch

@@ -0,0 +1,26 @@
+Fix an issue where ctest wouldn't find the qml test files.
+Upstream status: forwarded to jami@gnu.org
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index e802357f..75cffda2 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -884,5 +884,6 @@ qt_finalize_executable(${PROJECT_NAME})
+ # tests
+ if(BUILD_TESTING)
+   message("Add Jami tests")
++  enable_testing()
+   add_subdirectory(${TESTS_DIR})
+ endif()
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 37796e52..06008ccf 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -1,6 +1,6 @@
+ cmake_minimum_required(VERSION 3.16)
+ 
+-enable_testing(true)
++enable_testing()
+ 
+ set(QT_TESTING_MODULES
+     ${QT_MODULES}