Merge pull request #457 from aluzzardi/constraint-integration

integration: Add constraints integration tests.

test/integration/constraints.bats

@@ -0,0 +1,57 @@
+#!/usr/bin/env bats
+
+load helpers
+
+function teardown() {
+	stop_manager
+	stop_docker
+}
+
+@test "node constraint" {
+	start_docker 2
+	start_manager
+
+	run docker_swarm run --name c1 -e constraint:node==node-0 -d busybox:latest sh
+	[ "$status" -eq 0 ]
+	run docker_swarm run --name c2 -e constraint:node==node-1 -d busybox:latest sh
+	[ "$status" -eq 0 ]
+	run docker_swarm run --name c3 -e constraint:node==node-1 -d busybox:latest sh
+	[ "$status" -eq 0 ]
+
+	run docker_swarm inspect c1
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-0"'* ]]
+
+	run docker_swarm inspect c2
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-1"'* ]]
+
+	run docker_swarm inspect c3
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-1"'* ]]
+}
+
+@test "label constraints" {
+	start_docker 1 --label foo=a
+	start_docker 1 --label foo=b
+	start_manager
+
+	run docker_swarm run --name c1 -e constraint:foo==a -d busybox:latest sh
+	[ "$status" -eq 0 ]
+	run docker_swarm run --name c2 -e constraint:foo==b -d busybox:latest sh
+	[ "$status" -eq 0 ]
+	run docker_swarm run --name c3 -e constraint:foo==b -d busybox:latest sh
+	[ "$status" -eq 0 ]
+
+	run docker_swarm inspect c1
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-0"'* ]]
+
+	run docker_swarm inspect c2
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-1"'* ]]
+
+	run docker_swarm inspect c3
+	[ "$status" -eq 0 ]
+	[[ "${output}" == *'"Name": "node-1"'* ]]
+}