Files
gis/internal/raster/io_test.go

62 lines
1.4 KiB
Go

package raster
import (
"reflect"
"testing"
)
func TestWindows(t *testing.T) {
tests := []struct {
name string
w, h, size int
want []Window
}{
{
name: "10x10 size4 tiles into 9 windows",
w: 10, h: 10, size: 4,
want: []Window{
{X: 0, Y: 0, Width: 4, Height: 4},
{X: 4, Y: 0, Width: 4, Height: 4},
{X: 8, Y: 0, Width: 2, Height: 4},
{X: 0, Y: 4, Width: 4, Height: 4},
{X: 4, Y: 4, Width: 4, Height: 4},
{X: 8, Y: 4, Width: 2, Height: 4},
{X: 0, Y: 8, Width: 4, Height: 2},
{X: 4, Y: 8, Width: 4, Height: 2},
{X: 8, Y: 8, Width: 2, Height: 2},
},
},
{
name: "5x3 size8 fits in one window",
w: 5, h: 3, size: 8,
want: []Window{
{X: 0, Y: 0, Width: 5, Height: 3},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := Windows(tt.w, tt.h, tt.size)
if !reflect.DeepEqual(got, tt.want) {
t.Fatalf("Windows(%d, %d, %d) = %+v, want %+v", tt.w, tt.h, tt.size, got, tt.want)
}
if len(got) > 0 {
last := got[len(got)-1]
wantLast := tt.want[len(tt.want)-1]
if last != wantLast {
t.Fatalf("last window = %+v, want %+v", last, wantLast)
}
}
})
}
}
func TestDefaultWriterOptions(t *testing.T) {
got := DefaultWriterOptions()
want := WriterOptions{NoData: -9999, TileSize: 512, Compression: "DEFLATE"}
if got != want {
t.Fatalf("DefaultWriterOptions() = %+v, want %+v", got, want)
}
}