integration: Add simple API test to demonstrate the helpers.

Signed-off-by: Andrea Luzzardi <[email protected]>

test/integration/api.bats

@@ -0,0 +1,16 @@
+#!/usr/bin/env bats
+
+load helpers
+
+function teardown() {
+	stop_manager
+	stop_docker
+}
+
+@test "docker info should return the number of nodes" {
+	start_docker 3
+	start_manager
+	run docker_swarm info
+	[ "$status" -eq 0 ]
+	[ "${lines[1]}"="Nodes: 3" ]
+}