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db_test.go
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db_test.go
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package main
import (
"fmt"
"strconv"
"testing"
"github.com/paulmach/orb/encoding/mvt"
"github.com/paulmach/orb/geojson"
"github.com/stretchr/testify/assert"
)
func TestCreateConn(t *testing.T) {
_, err := createConn("tests/example.mbtiles")
assert.NoError(t, err)
}
func TestFind(t *testing.T) {
conn, err := createConn("tests/example.mbtiles")
assert.NoError(t, err)
defer conn.db.Close()
// results, err := conn.find(&kv{key: "ROUTE_NO", value: "137"}, nil)
// assert.NoError(t, err)
// assert.Equal(t, len(results), 1)
}
func TestUpdate(t *testing.T) {
conn, err := createConn("tests/example.mbtiles")
assert.NoError(t, err)
defer conn.db.Close()
// Check
rows, err := conn.db.Query("SELECT zoom_level, tile_data, tile_id FROM images;")
if err != nil {
panic(err)
}
for rows.Next() {
var zoomLevel int
var tileData []byte
var tileId string
err = rows.Scan(&zoomLevel, &tileData, &tileId)
if err != nil {
panic(err)
}
l, err := mvt.UnmarshalGzipped(tileData)
if err != nil {
panic(err)
}
layers := l.ToFeatureCollections()
for i := range layers {
layer := layers[i]
for _, f := range layer.Features {
newFeature := geojson.NewFeature(f.Geometry)
newFeature.Properties = f.Properties
id := int(newFeature.Properties["id"].(float64))
newFeature.Properties["id"] = strconv.Itoa(id)
if newFeature.Properties["id"] == "506484968" {
fmt.Println("Present!", zoomLevel, tileId)
}
}
}
}
err = rows.Err()
if err != nil {
panic(err)
}
assert.NoError(t, err)
}