Add tests for addons custom output format

Author: Josh Woodcock

cmd/minikube/cmd/config/addons_list.go

@@ -52,7 +52,11 @@ var addonsListCmd = &cobra.Command{
 }
 
 func init() {
-	addonsListCmd.Flags().StringVar(&addonListFormat, "format", defaultAddonListFormat,
+	addonsListCmd.Flags().StringVarP(
+		&addonListFormat,
+		"format",
+		"f",
+		defaultAddonListFormat,
 		`Go template format string for the addon list output.  The format for Go templates can be found here: https://golang.org/pkg/text/template/
 For the list of accessible variables for the template, see the struct values here: https://godoc.org/k8s.io/minikube/cmd/minikube/cmd/config#AddonListTemplate`)
 	AddonsCmd.AddCommand(addonsListCmd)

test/integration/functional_test.go

@@ -29,6 +29,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"regexp"
 	"strings"
 	"testing"
 	"time"
@@ -87,6 +88,7 @@ func TestFunctional(t *testing.T) {
 			{"MountCmd", validateMountCmd},
 			{"ProfileCmd", validateProfileCmd},
 			{"ServicesCmd", validateServicesCmd},
+			{"AddonsCmd", validateAddonsCmd},
 			{"PersistentVolumeClaim", validatePersistentVolumeClaim},
 			{"TunnelCmd", validateTunnelCmd},
 			{"SSHCmd", validateSSHCmd},
@@ -314,6 +316,52 @@ func validateServicesCmd(ctx context.Context, t *testing.T, profile string) {
 	}
 }
 
+// validateAddonsCmd asserts basic "addon" command functionality
+func validateAddonsCmd(ctx context.Context, t *testing.T, profile string) {
+
+	// Default output
+	rr, err := Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "addons", "list"))
+	if err != nil {
+		t.Errorf("%s failed: %v", rr.Args, err)
+	}
+	listLines := strings.Split(strings.TrimSpace(rr.Stdout.String()), "\n")
+	r := regexp.MustCompile(`-\s[a-z|-]+:\s(enabled|disabled)`)
+	for _, line := range listLines {
+		match := r.MatchString(line)
+		if !match {
+			t.Errorf("Plugin output did not match expected format. Got: %s", line)
+		}
+	}
+
+	// Custom format
+	rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "addons", "list", "--format", `"{{.AddonName}}":"{{.AddonStatus}}"`))
+	if err != nil {
+		t.Errorf("%s failed: %v", rr.Args, err)
+	}
+	listLines = strings.Split(strings.TrimSpace(rr.Stdout.String()), "\n")
+	r = regexp.MustCompile(`"[a-z|-]+":"(enabled|disabled)"`)
+	for _, line := range listLines {
+		match := r.MatchString(line)
+		if !match {
+			t.Errorf("Plugin output did not match expected custom format. Got: %s", line)
+		}
+	}
+
+	// Custom format shorthand
+	rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "addons", "list", "-f", `"{{.AddonName}}":"{{.AddonStatus}}"`))
+	if err != nil {
+		t.Errorf("%s failed: %v", rr.Args, err)
+	}
+	listLines = strings.Split(strings.TrimSpace(rr.Stdout.String()), "\n")
+	r = regexp.MustCompile(`"[a-z|-]+":"(enabled|disabled)"`)
+	for _, line := range listLines {
+		match := r.MatchString(line)
+		if !match {
+			t.Errorf("Plugin output did not match expected custom format. Got: %s", line)
+		}
+	}
+}
+
 // validateSSHCmd asserts basic "ssh" command functionality
 func validateSSHCmd(ctx context.Context, t *testing.T, profile string) {
 	if NoneDriver() {