refactor(cli): added equivalent subcommands for each flag combination under every command (#1674)

- image command is now deprecated in favor of 'images'
- cve command is now deprecated in favor of 'cves'

Signed-off-by: Laurentiu Niculae <niculae.laurentiu1@gmail.com>

pkg/cli/repos_test.go

@@ -0,0 +1,55 @@
+//go:build search
+// +build search
+
+package cli //nolint:testpackage
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+
+	"zotregistry.io/zot/pkg/api"
+	"zotregistry.io/zot/pkg/api/config"
+	"zotregistry.io/zot/pkg/cli/cmdflags"
+	"zotregistry.io/zot/pkg/test"
+)
+
+func TestReposCommand(t *testing.T) {
+	Convey("repos", t, func() {
+		port := test.GetFreePort()
+		baseURL := test.GetBaseURL(port)
+		conf := config.New()
+		conf.HTTP.Port = port
+
+		ctlr := api.NewController(conf)
+		ctlr.Config.Storage.RootDirectory = t.TempDir()
+		cm := test.NewControllerManager(ctlr)
+
+		cm.StartAndWait(conf.HTTP.Port)
+		defer cm.StopServer()
+
+		configPath := makeConfigFile(fmt.Sprintf(`{"configs":[{"_name":"repostest","url":"%s","showspinner":false}]}`,
+			baseURL))
+		defer os.Remove(configPath)
+
+		args := []string{"list"}
+		cmd := NewRepoCommand(mockService{})
+		cmd.PersistentFlags().String(cmdflags.ConfigFlag, "repostest", "")
+		buff := bytes.NewBufferString("")
+		cmd.SetOut(buff)
+		cmd.SetErr(buff)
+		cmd.SetArgs(args)
+		err := cmd.Execute()
+		So(err, ShouldBeNil)
+		space := regexp.MustCompile(`\s+`)
+		str := space.ReplaceAllString(buff.String(), " ")
+		actual := strings.TrimSpace(str)
+		So(actual, ShouldContainSubstring, "repo1")
+		So(actual, ShouldContainSubstring, "repo2")
+	})
+}