properties_test.go

package geojson

import (
	"testing"
)

func propertiesTestFeature() *Feature {
	rawJSON := `
	  { "type": "Feature",
	    "geometry": {
	      "type": "Point",
	      "coordinates": [102.0, 0.5]
	    },
	    "properties": {
	      "bool":true,
	      "falsebool":false,
	      "int": 1,
	      "float64": 1.2,
	      "string":"text"
	    }
	  }`

	f, _ := UnmarshalFeature([]byte(rawJSON))
	return f
}

func TestPropertiesMustBool(t *testing.T) {
	f := propertiesTestFeature()

	if !f.Properties.MustBool("random", true) {
		t.Errorf("should return default if property doesn't exist")
	}

	if f.Properties.MustBool("falsebool", true) {
		t.Errorf("should return proper property, with default")
	}

	if f.Properties.MustBool("falsebool") {
		t.Errorf("should return proper property, without default")
	}
}

func TestPropertiesMustInt(t *testing.T) {
	f := propertiesTestFeature()

	i := f.Properties.MustInt("random", 10)
	if i != 10 {
		t.Errorf("should return default if property doesn't exist")
	}

	i = f.Properties.MustInt("int", 10)
	if i != 1 {
		t.Errorf("should return proper property, with default")
	}

	i = f.Properties.MustInt("int")
	if i != 1 {
		t.Errorf("should return proper property, without default")
	}

	f.Properties["true_int"] = 5
	i = f.Properties.MustInt("true_int")
	if i != 5 {
		// json decode makes all things float64,
		// but manually setting will be a true int
		t.Errorf("should work for true integer types")
	}

	i = f.Properties.MustInt("float64")
	if i != 1 {
		t.Errorf("should convert float64 to int")
	}
}

func TestPropertiesMustFloat64(t *testing.T) {
	f := propertiesTestFeature()

	i := f.Properties.MustFloat64("random", 10)
	if i != 10 {
		t.Errorf("should return default if property doesn't exist")
	}

	i = f.Properties.MustFloat64("float64", 10.0)
	if i != 1.2 {
		t.Errorf("should return proper property, with default")
	}

	i = f.Properties.MustFloat64("float64")
	if i != 1.2 {
		t.Errorf("should return proper property, without default")
	}

	f.Properties["int"] = 1 // force, json.Unmarshal always decodes to float64
	i = f.Properties.MustFloat64("int")
	if i != 1.0 {
		t.Errorf("should work for ints")
	}
}

func TestPropertiesMustString(t *testing.T) {
	f := propertiesTestFeature()

	s := f.Properties.MustString("random", "something")
	if s != "something" {
		t.Errorf("should return default if property doesn't exist")
	}

	s = f.Properties.MustString("string", "something")
	if s != "text" {
		t.Errorf("should return proper property, with default")
	}

	s = f.Properties.MustString("string")
	if s != "text" {
		t.Errorf("should return proper property, without default")
	}
}

func TestPropertiesClone(t *testing.T) {
	props := Properties{
		"one": 2,
	}

	clone := props.Clone()
	if clone["one"] != 2 {
		t.Errorf("should clone properties")
	}

	clone["one"] = 3
	if props["one"] != 2 {
		t.Errorf("should clone properties")
	}
}