Set source-type flag required

mesheryctl/helpers/component_info.json

@@ -1,5 +1,5 @@
 {
   "name": "mesheryctl",
   "type": "client",
-  "next_error_code": 1121
+  "next_error_code": 1122
 }

mesheryctl/internal/cli/root/pattern/error.go

@@ -29,6 +29,7 @@ const (
 	ErrOffboardPatternCode        = "mesheryctl-1005"
 	ErrPatternFlagCode            = "mesheryctl-1006"
 	ErrPatternManifestCode        = "mesheryctl-1007"
+	ErrPatternSourceTypeCode      = "mesheryctl-1121"
 	ErrPatternsNotFoundCode       = "mesheryctl-1037"
 	ErrInvalidPatternFileCode     = "mesheryctl-1038"
 	ErrPatternInvalidNameOrIDCode = "mesheryctl-1039"
@@ -85,6 +86,14 @@ func ErrPatternManifest() error {
 		[]string{"Provide the path to the pattern manifest. \n\n%v", errPatternMsg})
 }
 
+func ErrPatternSourceType() error {
+	return errors.New(ErrPatternSourceTypeCode, errors.Alert,
+		[]string{"Source type for the design to import not specified"},
+		[]string{"Empty  source type detected"},
+		[]string{"Design source type not provided"},
+		[]string{"Provide one of the supported source type for the design to import. \n\n%v", errPatternMsg})
+}
+
 func ErrOnboardPattern() error {
 	return errors.New(ErrOnboardPatternCode, errors.Alert,
 		[]string{"Error Onboarding pattern"},

mesheryctl/internal/cli/root/pattern/import.go

@@ -44,7 +44,7 @@ var importCmd = &cobra.Command{
 
 		YAML and TGZ (with helm only) format of file is accepted, if you are importing Meshery Design OCI file format is also supported
 
-		If you are providing remote URL, it should be a direct URL to a downloadable file. 
+		If you are providing remote URL, it should be a direct URL to a downloadable file.
 		For example, if the file is stored on GitHub, the URL should be 'https://raw.githubusercontent.com/path-to-file'.
 	`,
 	Example: `
@@ -58,6 +58,11 @@ mesheryctl pattern import -f [file/URL] -s [source-type] -n [name]
 			return ErrPatternManifest()
 		}
 
+		if sourceType == "" {
+			utils.Log.Debug("source-type not provided")
+			return ErrPatternSourceType()
+		}
+
 		return nil
 	},
 	PreRunE: func(cmd *cobra.Command, args []string) error {

mesheryctl/internal/cli/root/pattern/import_test.go

@@ -0,0 +1,43 @@
+package pattern
+
+import (
+	"testing"
+)
+
+func Test_importPattern_DisplayErrorsMissingFlags(t *testing.T) {
+	type args struct {
+		sourceType string
+		file       string
+		patternURL string
+		save       bool
+	}
+
+	tests := []struct {
+		name    string
+		args    args
+		want    error
+		wantErr bool
+	}{
+		{
+			name:    "Import missing source type flag",
+			args:    args{"", "file.yaml", "", false},
+			want:    ErrPatternSourceType(),
+			wantErr: true,
+		},
+		{
+			name:    "Import missing file flag",
+			args:    args{"helm", "", "", false},
+			want:    ErrPatternManifest(),
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			_, err := importPattern(tt.args.sourceType, tt.args.file, tt.args.patternURL, tt.args.save)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("importPattern() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+		})
+	}
+}