Fixes get --show-all

pkg/kubectl/resource/builder_test.go

@@ -1003,3 +1003,61 @@ func TestReplaceAliases(t *testing.T) {
 		}
 	}
 }
+
+func TestHasNames(t *testing.T) {
+	tests := []struct {
+		args            []string
+		expectedHasName bool
+		expectedError   error
+	}{
+		{
+			args:            []string{""},
+			expectedHasName: false,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc"},
+			expectedHasName: false,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc,pod,svc"},
+			expectedHasName: false,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc/foo"},
+			expectedHasName: true,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc", "foo"},
+			expectedHasName: true,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc,pod,svc", "foo"},
+			expectedHasName: true,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc/foo", "rc/bar", "rc/zee"},
+			expectedHasName: true,
+			expectedError:   nil,
+		},
+		{
+			args:            []string{"rc/foo", "bar"},
+			expectedHasName: false,
+			expectedError:   fmt.Errorf("when passing arguments in resource/name form, all arguments must include the resource"),
+		},
+	}
+	for _, test := range tests {
+		hasNames, err := HasNames(test.args)
+		if !reflect.DeepEqual(test.expectedError, err) {
+			t.Errorf("expected HasName to error %v, got %s", test.expectedError, err)
+		}
+		if hasNames != test.expectedHasName {
+			t.Errorf("expected HasName to return %v for %s", test.expectedHasName, test.args)
+		}
+	}
+}