package handler

import "testing"

func TestValidateMeasurementRecommendInput(t *testing.T) {
	tests := []struct {
		name  string
		input string
		valid bool
	}{
		{
			name:  "continuous dots",
			input: "G..",
			valid: false,
		},
		{
			name:  "single separator",
			input: "G.zone",
			valid: true,
		},
		{
			name:  "trailing dot",
			input: "G.",
			valid: true,
		},
		{
			name:  "empty input",
			input: "",
			valid: true,
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := validateMeasurementRecommendInput(tt.input)
			if tt.valid && err != nil {
				t.Fatalf("expected valid input, got error %v", err)
			}
			if !tt.valid && err == nil {
				t.Fatalf("expected invalid input")
			}
		})
	}
}