dev-lang/nim: enable tests

Some categories are skipped:
* arc, valgrind: need function valgrind
* ic: random failures

Signed-off-by: Anna Vyalkova <cyber+gentoo@sysrq.in>
Closes: https://github.com/gentoo/gentoo/pull/29006
Signed-off-by: Maciej Barć <xgqt@gentoo.org>

3 files changed, 104 insertions, 4 deletions

diff --git a/dev-lang/nim/files/nim-1.6.10-testament-skipfile.txt b/dev-lang/nim/files/nim-1.6.10-testament-skipfile.txt
new file mode 100644
index 000000000000..46d22c9fe915
--- /dev/null
+++ b/dev-lang/nim/files/nim-1.6.10-testament-skipfile.txt
@@ -0,0 +1,40 @@
+# broken
+tests/assert/tassert_c.nim
+tests/async/tasync_traceback.nim
+tests/errmsgs/tcall_with_default_arg.nim
+tests/errmsgs/tproper_stacktrace.nim
+tests/errmsgs/tproper_stacktrace2.nim
+tests/errmsgs/tproper_stacktrace3.nim
+tests/js/tmangle.nim
+tests/js/twritestacktrace.nim
+tests/lent/tbasic_lent_check.nim
+tests/misc/trunner.nim
+tests/misc/tstrace.nim
+tests/pragmas/thintprocessing.nim
+tests/pragmas/tused.nim
+tests/pragmas/twarning_off.nim
+tests/stdlib/tos.nim
+tests/stdlib/tstackframes.nim
+tests/stdlib/tstats.nim
+tests/system/talloc.nim
+tests/testament/tshould_not_work.nim
+# require network
+tests/stdlib/thttpclient.nim
+tests/stdlib/tnetconnect.nim
+tests/stdlib/tssl.nim
+# don't work without megatest
+tests/misc/tjoinable.nim
+tests/testament/tjoinable.nim
+# don't work with "--hint:all:off" hack
+tests/concepts/t3330.nim
+tests/stylecheck/t20397_2.nim
+tests/stylecheck/treject.nim
+tests/stylecheck/tusages.nim
+# need external dependencies
+tests/manyloc/keineschweine/keineschweine.nim
+tests/manyloc/nake/nakefile.nim
+tests/niminaction/Chapter7/Tweeter/src/tweeter.nim
+# need functional valgrind
+tests/destructor/tnewruntime_strutils.nim
+tests/destructor/tv2_raise.nim
+tests/views/tsplit_into_openarray.nim
diff --git a/dev-lang/nim/metadata.xml b/dev-lang/nim/metadata.xml
index d24270e82fb6..b544028faf59 100644
--- a/dev-lang/nim/metadata.xml
+++ b/dev-lang/nim/metadata.xml
@@ -38,5 +38,6 @@
   </upstream>
   <use>
     <flag name="experimental">Apply experimental patches</flag>
+    <flag name="test-js">Enable tests that require Node.js</flag>
   </use>
 </pkgmetadata>
diff --git a/dev-lang/nim/nim-1.6.10-r2.ebuild b/dev-lang/nim/nim-1.6.10-r2.ebuild
index 5140ee232527..5bbd9b8328f5 100644
--- a/dev-lang/nim/nim-1.6.10-r2.ebuild
+++ b/dev-lang/nim/nim-1.6.10-r2.ebuild
@@ -19,10 +19,29 @@ SRC_URI="
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~x86"
-IUSE="doc experimental"
-RESTRICT="test"  # need to sort out depends and numerous failures
+IUSE="doc experimental test-js test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	test? (
+		dev-db/sqlite:3
+		dev-libs/boehm-gc
+		dev-libs/libffi
+		dev-libs/libpcre:3
+		dev-libs/openssl
+		media-libs/libsdl
+		media-libs/libsfml
+	)
+"
 
-BDEPEND="sys-process/parallel"
+BDEPEND="
+	sys-process/parallel
+	test? (
+		test-js? (
+			net-libs/nodejs
+		)
+	)
+"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-0.20.0-paths.patch
@@ -51,6 +70,9 @@ nim_gen_config() {
 		$([[ "${NOCOLOR}" == true || "${NOCOLOR}" == yes ]] && echo '--colors:"off"')
 		-d:"release"
 		--parallelBuild:"$(makeopts_jobs)"
+
+		# some tests don't work with processing hints
+		--processing:"off"
 	EOF
 }
 
@@ -105,8 +127,45 @@ src_compile() {
 
 src_test() {
 	local -x PATH="${S}/bin:${PATH}"
+	local nimflags=(
+		# Leave only the safe hints enabled
+		--hint:all:off
+		--hint:User:on
+		--hint:UserRaw:on
+	)
+	local testament_args=(
+		--skipFrom:"${FILESDIR}/${P}-testament-skipfile.txt"
+		--nim:"bin/nim"
+		--targets:"$(usex test-js 'c js' 'c')"
+	)
+
+	[[ "${NOCOLOR}" == true || "${NOCOLOR}" == yes ]] && \
+		testament_args+=( --colors:off )
+
+	local -a categories
+	readarray -t categories < <(find tests -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort)
+
+	# AdditionalCategories from "testament/categories.nim"
+	categories+=( debugger examples lib )
 
-	edo ./koch test
+	local tcat checkpoint
+	for tcat in "${categories[@]}"; do
+		# Use checkpoints for less painful testing
+		checkpoint="${T}/.testament-${tcat}"
+		[[ -f "${checkpoint}" ]] && continue
+
+		case ${tcat} in
+			testdata) ;;
+			arc|ic|valgrind)
+				einfo "Skipped category '${tcat}'" ;;
+			*)
+				einfo "Running tests in category '${tcat}'"
+				edo ./bin/testament "${testament_args[@]}" \
+					category "${tcat}" "${nimflags[@]}"
+		esac
+
+		touch "${checkpoint}" || die
+	done
 }
 
 src_install() {