mirror of https://github.com/tidwall/tile38.git
129 lines
4.3 KiB
Go
129 lines
4.3 KiB
Go
package geojson
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"log"
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"testing"
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)
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func P(x, y float64) Position {
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return Position{x, y, 0}
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}
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func P3(x, y, z float64) Position {
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return Position{x, y, z}
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}
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const testPolyHoles = `
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{"type":"Polygon","coordinates":[
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[[0,0],[0,6],[12,-6],[12,0],[0,0]],
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[[1,1],[1,2],[2,2],[2,1],[1,1]],
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[[11,-1],[11,-3],[9,-1],[11,-1]]
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]}`
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func tPoint(x, y float64) Point {
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o, err := ObjectJSON(fmt.Sprintf(`{"type":"Point","coordinates":[%f,%f]}`, x, y))
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if err != nil {
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log.Fatal(err)
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}
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return testConvertToPoint(o)
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}
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func doesJSONMatch(js1, js2 string) bool {
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var m1, m2 map[string]interface{}
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json.Unmarshal([]byte(js1), &m1)
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json.Unmarshal([]byte(js2), &m2)
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b1, _ := json.Marshal(m1)
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b2, _ := json.Marshal(m2)
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return string(b1) == string(b2)
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}
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func testJSON(t *testing.T, jstr string) Object {
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o, err := ObjectJSON(jstr)
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if err != nil {
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t.Fatal(err)
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}
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if !doesJSONMatch(o.JSON(), jstr) {
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t.Fatalf("json != jstr")
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}
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b1 := o.Bytes()
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o2, err := ObjectBytes(b1)
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if err != nil {
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t.Fatal(err)
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}
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b2 := o2.Bytes()
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if !bytes.Equal(b1, b2) {
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t.Fatalf("b1 != b2")
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}
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return o
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}
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func testInvalidJSON(t *testing.T, js string, expecting error) {
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_, err := ObjectJSON(js)
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if err == nil {
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t.Fatalf("expecting an error for json '%s'", js)
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}
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if err.Error() != expecting.Error() {
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t.Fatalf("\nInvalid error for json:\n'%s'\ngot '%s'\nexpected '%s'", js, err.Error(), expecting.Error())
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}
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}
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func TestInvalidJSON(t *testing.T) {
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testInvalidJSON(t, `{}`, errInvalidTypeMember)
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testInvalidJSON(t, `{"type":"Poin"}`, fmt.Errorf(fmtErrTypeIsUnknown, "Poin"))
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testInvalidJSON(t, `{"type":"Point"}`, errCoordinatesRequired)
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testInvalidJSON(t, `{"type":"Point","coordinates":[]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1,2,"asd"]}`, errInvalidPositionValue)
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testInvalidJSON(t, `{"type":"Point","coordinates":[[1,2]]}`, errInvalidPositionValue)
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testInvalidJSON(t, `{"type":"Point","coordinates":[[1,2],[1,3]]}`, errInvalidPositionValue)
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testInvalidJSON(t, `{"type":"MultiPoint","coordinates":[1,2]}`, errCoordinatesMustBeArray)
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testInvalidJSON(t, `{"type":"MultiPoint","coordinates":[[]]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"MultiPoint","coordinates":[[1]]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"MultiPoint","coordinates":[[1,2,"asd"]]}`, errInvalidPositionValue)
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testInvalidJSON(t, `{"type":"LineString","coordinates":[]}`, errLineStringInvalidCoordinates)
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testInvalidJSON(t, `{"type":"MultiLineString","coordinates":[[]]}`, errLineStringInvalidCoordinates)
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testInvalidJSON(t, `{"type":"MultiLineString","coordinates":[[[]]]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"MultiLineString","coordinates":[[[]]]}`, errInvalidNumberOfPositionValues)
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testInvalidJSON(t, `{"type":"Polygon","coordinates":[[1,1],[2,2],[3,3],[4,4]]}`, errInvalidCoordinatesValue)
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testInvalidJSON(t, `{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,3],[4,4]]]}`, errMustBeALinearRing)
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testInvalidJSON(t, `{"type":"Polygon","coordinates":[[[1,1],[2,2],[3,3],[1,1]],[[1,1],[2,2],[3,3],[4,4]]]}`, errMustBeALinearRing)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1,2,3],"bbox":123}`, errBBoxInvalidType)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1,2,3],"bbox":[]}`, errBBoxInvalidNumberOfValues)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1,2,3],"bbox":[1,2,3]}`, errBBoxInvalidNumberOfValues)
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testInvalidJSON(t, `{"type":"Point","coordinates":[1,2,3],"bbox":[1,2,3,"a"]}`, errBBoxInvalidValue)
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}
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// func TestJunk(t *testing.T) {
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// type ThreePoint struct{ X, Y, Z float64 }
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// var s1 = ThreePoint{50, 50, 50}
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// var s2 = &s1
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// var o1 interface{} = s1
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// var o2 interface{} = s2
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// t1 := reflect.TypeOf(s1)
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// t2 := reflect.TypeOf(s2)
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// t3 := reflect.TypeOf(o1)
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// t4 := reflect.TypeOf(o2)
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// fmt.Printf("typeof: %s\n", t1)
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// fmt.Printf("typeof: %s\n", t2)
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// fmt.Printf("typeof: %s\n", t3)
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// fmt.Printf("typeof: %s\n", t4)
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// z1 := unsafe.Sizeof(s1)
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// z2 := unsafe.Sizeof(s2)
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// z3 := unsafe.Sizeof(o1)
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// z4 := unsafe.Sizeof(o2.(*ThreePoint))
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// fmt.Printf("sizeof: %d\n", z1)
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// fmt.Printf("sizeof: %d\n", z2)
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// fmt.Printf("sizeof: %d\n", z3)
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// fmt.Printf("sizeof: %d\n", z4)
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// }
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