tile38/vendor/github.com/tidwall/geojson/feature_test.go

78 lines
2.6 KiB
Go

package geojson
import (
"testing"
"github.com/tidwall/gjson"
)
func TestFeatureParse(t *testing.T) {
p := expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`, nil)
expect(t, p.Center() == P(1, 2))
expectJSON(t, `{"type":"Feature"}`, errGeometryMissing)
expectJSON(t, `{"type":"Feature","geometry":null}`, errDataInvalid)
expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":null,"properties":{}}`, nil)
expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":[4,true],"properties":{}}`, nil)
expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":"15","properties":{"a":"b"}}`, nil)
expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4],"properties":{}}`, nil)
expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2],"bbox":[1,2,3,4]},"id":[4,true],"properties":{}}`, nil)
}
func TestFeatureVarious(t *testing.T) {
var g = expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`, nil)
expect(t, string(g.AppendJSON(nil)) == `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`)
expect(t, g.Rect() == R(1, 2, 1, 2))
expect(t, g.Center() == P(1, 2))
expect(t, !g.Empty())
g = expectJSONOpts(t,
`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4],"properties":{}}`,
nil, nil)
expect(t, !g.Empty())
expect(t, g.Rect() == R(1, 2, 1, 2))
expect(t, g.Center() == P(1, 2))
}
func TestFeatureProperties(t *testing.T) {
obj, err := Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]}}`, nil)
if err != nil {
t.Fatal(err)
}
json := obj.JSON()
if !gjson.Valid(json) {
t.Fatal("invalid json")
}
if !gjson.Get(json, "properties").Exists() {
t.Fatal("expected 'properties' member")
}
obj, err = Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"properties":true}`, nil)
if err != nil {
t.Fatal(err)
}
json = obj.JSON()
if !gjson.Valid(json) {
t.Fatal("invalid json")
}
if gjson.Get(json, "properties").Type != gjson.True {
t.Fatal("expected 'properties' member to be 'true'")
}
obj, err = Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":{}}`, nil)
if err != nil {
t.Fatal(err)
}
json = obj.JSON()
if !gjson.Valid(json) {
t.Fatal("invalid json")
}
if !gjson.Get(json, "properties").Exists() {
t.Fatal("expected 'properties' member")
}
if gjson.Get(json, "id").String() != "{}" {
t.Fatal("expected 'id' member")
}
}