update vendor

Signed-off-by: Jess Frazelle <acidburn@microsoft.com>

vendor/github.com/docker/cli/internal/test/environment/testenv.go

@@ -0,0 +1,99 @@
+package environment
+
+import (
+	"context"
+	"os"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/docker/docker/client"
+	"github.com/pkg/errors"
+	"gotest.tools/assert"
+	"gotest.tools/poll"
+	"gotest.tools/skip"
+)
+
+// Setup a new environment
+func Setup() error {
+	dockerHost := os.Getenv("TEST_DOCKER_HOST")
+	if dockerHost == "" {
+		return errors.New("$TEST_DOCKER_HOST must be set")
+	}
+	if err := os.Setenv("DOCKER_HOST", dockerHost); err != nil {
+		return err
+	}
+
+	if dockerCertPath := os.Getenv("TEST_DOCKER_CERT_PATH"); dockerCertPath != "" {
+		if err := os.Setenv("DOCKER_CERT_PATH", dockerCertPath); err != nil {
+			return err
+		}
+		if err := os.Setenv("DOCKER_TLS_VERIFY", "1"); err != nil {
+			return err
+		}
+	}
+
+	if kubeConfig := os.Getenv("TEST_KUBECONFIG"); kubeConfig != "" {
+		if err := os.Setenv("KUBECONFIG", kubeConfig); err != nil {
+			return err
+		}
+	}
+
+	if val := boolFromString(os.Getenv("TEST_REMOTE_DAEMON")); val {
+		if err := os.Setenv("REMOTE_DAEMON", "1"); err != nil {
+			return err
+		}
+	}
+
+	if val := boolFromString(os.Getenv("TEST_SKIP_PLUGIN_TESTS")); val {
+		if err := os.Setenv("SKIP_PLUGIN_TESTS", "1"); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// KubernetesEnabled returns if Kubernetes testing is enabled
+func KubernetesEnabled() bool {
+	return os.Getenv("KUBECONFIG") != ""
+}
+
+// RemoteDaemon returns true if running against a remote daemon
+func RemoteDaemon() bool {
+	return os.Getenv("REMOTE_DAEMON") != ""
+}
+
+// SkipPluginTests returns if plugin tests should be skipped
+func SkipPluginTests() bool {
+	return os.Getenv("SKIP_PLUGIN_TESTS") != ""
+}
+
+// boolFromString determines boolean value from string
+func boolFromString(val string) bool {
+	switch strings.ToLower(val) {
+	case "true", "1":
+		return true
+	default:
+		return false
+	}
+}
+
+func dockerClient(t *testing.T) client.APIClient {
+	t.Helper()
+	c, err := client.NewClientWithOpts(client.FromEnv, client.WithVersion("1.37"))
+	assert.NilError(t, err)
+	return c
+}
+
+// DefaultPollSettings used with gotestyourself/poll
+var DefaultPollSettings = poll.WithDelay(100 * time.Millisecond)
+
+// SkipIfNotExperimentalDaemon returns whether the test docker daemon is in experimental mode
+func SkipIfNotExperimentalDaemon(t *testing.T) {
+	t.Helper()
+	c := dockerClient(t)
+	info, err := c.Info(context.Background())
+	assert.NilError(t, err)
+	skip.If(t, !info.ExperimentalBuild, "running against a non-experimental daemon")
+}