Sanitize csv strings (#258)

* Support spaces before/after commas when passing list of Kinds

Author: PatDyn

pkg/config/config.go

@@ -63,6 +63,7 @@ func splitCSV(csvStr string) map[string]struct{} {
 	valuesMap := map[string]struct{}{}
 
 	for _, kind := range splitValues {
+		kind = strings.TrimSpace(kind)
 		if len(kind) > 0 {
 			valuesMap[kind] = struct{}{}
 		}

pkg/config/config_test.go

@@ -95,6 +95,30 @@ func TestFromFlags(t *testing.T) {
 				RejectKinds:       map[string]struct{}{},
 			},
 		},
+		{
+			[]string{"-skip", "a, b, c"},
+			Config{
+				Files:             []string{},
+				KubernetesVersion: "master",
+				NumberOfWorkers:   4,
+				OutputFormat:      "text",
+				SchemaLocations:   nil,
+				SkipKinds:         map[string]struct{}{"a": {}, "b": {}, "c": {}},
+				RejectKinds:       map[string]struct{}{},
+			},
+		},
+		{
+			[]string{"-skip", "a,b, c"},
+			Config{
+				Files:             []string{},
+				KubernetesVersion: "master",
+				NumberOfWorkers:   4,
+				OutputFormat:      "text",
+				SchemaLocations:   nil,
+				SkipKinds:         map[string]struct{}{"a": {}, "b": {}, "c": {}},
+				RejectKinds:       map[string]struct{}{},
+			},
+		},
 		{
 			[]string{"-summary", "-verbose", "file1", "file2"},
 			Config{