Some BATS cleanup: run and systemd tests

run test: run positive test before negative; and actually
implement real negative tests. Also, add confirmation tests for
cidfile/pidfile, not just 'exit status is good'.

systemd test: enable rootless, and again add actual content
testing.

Signed-off-by: Ed Santiago <santiago@redhat.com>

test/system/030-run.bats

@@ -161,17 +161,31 @@ echo $rand        |   0 | $rand
 # 'run --conmon-pidfile --cid-file' makes sure we don't regress on these flags.
 # Both are critical for systemd units.
 @test "podman run --conmon-pidfile --cidfile" {
-    pid=$(mktemp)
-    cid=$(mktemp)
-
-    # CID file exists -> expected to fail.
-    run_podman 125 run --rm --conmon-pidfile=$pid --cidfile=$cid $IMAGE ls
-
-    rm $pid $cid
-    run_podman run --name keepme --conmon-pidfile=$pid --cidfile=$cid --detach $IMAGE sleep infinity
-    stat $pid $cid
-    run_podman rm -f keepme
-    rm $pid $cid
+    pidfile=${PODMAN_TMPDIR}/pidfile
+    cidfile=${PODMAN_TMPDIR}/cidfile
+
+    cname=$(random_string)
+    run_podman run --name $cname \
+               --conmon-pidfile=$pidfile \
+               --cidfile=$cidfile \
+               --detach \
+               $IMAGE sleep infinity
+    cid="$output"
+
+    is "$(< $cidfile)" "$cid" "contents of cidfile == container ID"
+
+    conmon_pid=$(< $pidfile)
+    is "$(readlink /proc/$conmon_pid/exe)" ".*/conmon"  \
+       "conmon pidfile (= PID $conmon_pid) points to conmon process"
+
+    # All OK. Kill container.
+    run_podman rm -f $cid
+
+    # Podman must not overwrite existing cid file.
+    # (overwriting conmon-pidfile is OK, so don't test that)
+    run_podman 125 run --cidfile=$cidfile $IMAGE true
+    is "$output" "Error: container id file exists. .* delete $cidfile" \
+       "podman will not overwrite existing cidfile"
 }
 
 # vim: filetype=sh

test/system/250-systemd.bats

@@ -6,44 +6,65 @@
 load helpers
 
 SERVICE_NAME="podman_test_$(random_string)"
+
+SYSTEMCTL="systemctl"
 UNIT_DIR="/usr/lib/systemd/system"
+if is_rootless; then
+    UNIT_DIR="$HOME/.config/systemd/user"
+    mkdir -p $UNIT_DIR
+
+    SYSTEMCTL="$SYSTEMCTL --user"
+fi
 UNIT_FILE="$UNIT_DIR/$SERVICE_NAME.service"
 
 function setup() {
     skip_if_remote
-    skip_if_rootless "systemd tests are root-only for now"
 
     basic_setup
 }
 
 function teardown() {
+    run '?' $SYSTEMCTL stop "$SERVICE_NAME"
     rm -f "$UNIT_FILE"
-    systemctl daemon-reload
+    $SYSTEMCTL daemon-reload
     basic_teardown
 }
 
+# This test can fail in dev. environment because of SELinux.
+# quick fix: chcon -t container_runtime_exec_t ./bin/podman
 @test "podman generate - systemd - basic" {
-    run_podman create --name keepme --detach busybox:latest top
+    cname=$(random_string)
+    run_podman create --name $cname --detach $IMAGE top
 
-    run_podman generate systemd --new keepme > "$UNIT_FILE"
-    run_podman rm keepme
+    run_podman generate systemd --new $cname
+    echo "$output" > "$UNIT_FILE"
+    run_podman rm $cname
 
-    systemctl daemon-reload
+    $SYSTEMCTL daemon-reload
 
-    run systemctl start "$SERVICE_NAME"
+    run $SYSTEMCTL start "$SERVICE_NAME"
     if [ $status -ne 0 ]; then
         die "Error starting systemd unit $SERVICE_NAME, output: $output"
     fi
 
-    run systemctl status "$SERVICE_NAME"
+    run $SYSTEMCTL status "$SERVICE_NAME"
     if [ $status -ne 0 ]; then
         die "Non-zero status of systemd unit $SERVICE_NAME, output: $output"
     fi
 
-    run systemctl stop "$SERVICE_NAME"
+    # Give container time to start; make sure output looks top-like
+    sleep 2
+    run_podman logs $cname
+    is "$output" ".*Load average:.*" "running container 'top'-like output"
+
+    # All good. Stop service, clean up.
+    run $SYSTEMCTL stop "$SERVICE_NAME"
     if [ $status -ne 0 ]; then
         die "Error stopping systemd unit $SERVICE_NAME, output: $output"
     fi
+
+    rm -f "$UNIT_FILE"
+    $SYSTEMCTL daemon-reload
 }
 
 # vim: filetype=sh