Add support for configs

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>

cli/internal/test/builders/config.go

@@ -0,0 +1,61 @@
+package builders
+
+import (
+	"time"
+
+	"github.com/docker/docker/api/types/swarm"
+)
+
+// Config creates a config with default values.
+// Any number of config builder functions can be passed to augment it.
+func Config(builders ...func(config *swarm.Config)) *swarm.Config {
+	config := &swarm.Config{}
+
+	for _, builder := range builders {
+		builder(config)
+	}
+
+	return config
+}
+
+// ConfigLabels sets the config's labels
+func ConfigLabels(labels map[string]string) func(config *swarm.Config) {
+	return func(config *swarm.Config) {
+		config.Spec.Labels = labels
+	}
+}
+
+// ConfigName sets the config's name
+func ConfigName(name string) func(config *swarm.Config) {
+	return func(config *swarm.Config) {
+		config.Spec.Name = name
+	}
+}
+
+// ConfigID sets the config's ID
+func ConfigID(ID string) func(config *swarm.Config) {
+	return func(config *swarm.Config) {
+		config.ID = ID
+	}
+}
+
+// ConfigVersion sets the version for the config
+func ConfigVersion(v swarm.Version) func(*swarm.Config) {
+	return func(config *swarm.Config) {
+		config.Version = v
+	}
+}
+
+// ConfigCreatedAt sets the creation time for the config
+func ConfigCreatedAt(t time.Time) func(*swarm.Config) {
+	return func(config *swarm.Config) {
+		config.CreatedAt = t
+	}
+}
+
+// ConfigUpdatedAt sets the update time for the config
+func ConfigUpdatedAt(t time.Time) func(*swarm.Config) {
+	return func(config *swarm.Config) {
+		config.UpdatedAt = t
+	}
+}