1 files changed, 101 insertions, 0 deletions
diff --git a/test/units/testsuite-02.sh b/test/units/testsuite-02.sh
new file mode 100755
index 0000000..b7406d4
--- /dev/null
+++ b/test/units/testsuite-02.sh
@@ -0,0 +1,101 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+NPROC=$(nproc)
+MAX_QUEUE_SIZE=${NPROC:-2}
+TESTS_GLOB=${TESTS_GLOB:-test-*}
+mapfile -t TEST_LIST < <(find /usr/lib/systemd/tests/ -maxdepth 1 -type f -name "${TESTS_GLOB}")
+
+# Reset state
+rm -fv /failed-tests /skipped-tests /skipped
+
+if ! systemd-detect-virt -qc; then
+    # Make sure ping works for unprivileged users (for test-bpf-firewall)
+    sysctl net.ipv4.ping_group_range="0 2147483647"
+fi
+
+# Check & report test results
+# Arguments:
+#   $1: test path
+#   $2: test exit code
+function report_result() {
+    if [[ $# -ne 2 ]]; then
+        echo >&2 "check_result: missing arguments"
+        exit 1
+    fi
+
+    local name="${1##*/}"
+    local ret=$2
+
+    if [[ $ret -ne 0 && $ret != 77 ]]; then
+        echo "$name failed with $ret"
+        echo "$name" >>/failed-tests
+        {
+            echo "--- $name begin ---"
+            cat "/$name.log"
+            echo "--- $name end ---"
+        } >>/failed
+    elif [[ $ret == 77 ]]; then
+        echo "$name skipped"
+        echo "$name" >>/skipped-tests
+        {
+            echo "--- $name begin ---"
+            cat "/$name.log"
+            echo "--- $name end ---"
+        } >>/skipped
+    else
+        echo "$name OK"
+        echo "$name" >>/testok
+    fi
+
+    systemd-cat echo "--- $name ---"
+    systemd-cat cat "/$name.log"
+}
+
+set +x
+# Associative array for running tasks, where running[test-path]=PID
+declare -A running=()
+for task in "${TEST_LIST[@]}"; do
+    # If there's MAX_QUEUE_SIZE running tasks, keep checking the running queue
+    # until one of the tasks finishes, so we can replace it.
+    while [[ ${#running[@]} -ge $MAX_QUEUE_SIZE ]]; do
+        for key in "${!running[@]}"; do
+            if ! kill -0 "${running[$key]}" &>/dev/null; then
+                # Task has finished, report its result and drop it from the queue
+                wait "${running[$key]}" && ec=0 || ec=$?
+                report_result "$key" $ec
+                unset "running[$key]"
+                # Break from inner for loop and outer while loop to skip
+                # the sleep below when we find a free slot in the queue
+                break 2
+            fi
+        done
+
+        # Precisely* calculated constant to keep the spinlock from burning the CPU(s)
+        sleep 0.01
+    done
+
+    if [[ -x $task ]]; then
+        echo "Executing test '$task'"
+        log_file="/${task##*/}.log"
+        $task &>"$log_file" &
+        running[$task]=$!
+    fi
+done
+
+# Wait for remaining running tasks
+for key in "${!running[@]}"; do
+    echo "Waiting for test '$key' to finish"
+    wait ${running[$key]} && ec=0 || ec=$?
+    report_result "$key" $ec
+    unset "running[$key]"
+done
+
+set -x
+
+# Test logs are sometimes lost, as the system shuts down immediately after
+journalctl --sync
+
+exit 0