wkb 0.9.2

Fast, pure-Rust reader and writer for Well-Known Binary geometries
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use geo_traits::to_geo::ToGeoGeometry;
use geo_types::Geometry;
use geos::WKBWriter;

use crate::reader::read_wkb;

use super::data::*;

#[test]
fn read_point_srid() {
    let orig = point_2d();
    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::Point(orig), retour.to_geometry());
}

#[test]
fn read_line_string_srid() {
    let orig = linestring_2d();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::LineString(orig.clone()), retour.to_geometry());
}

#[test]
fn read_polygon() {
    let orig = polygon_2d();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::Polygon(orig.clone()), retour.to_geometry());
}

#[test]
fn read_polygon_with_interior() {
    let orig = polygon_2d_with_interior();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::Polygon(orig.clone()), retour.to_geometry());
}

#[test]
fn read_multi_point() {
    let orig = multi_point_2d();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::MultiPoint(orig.clone()), retour.to_geometry());
}

#[test]
fn read_multi_line_string() {
    let orig = multi_line_string_2d();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(
        Geometry::MultiLineString(orig.clone()),
        retour.to_geometry()
    );
}

#[test]
fn read_multi_polygon() {
    let orig = multi_polygon_2d();

    let mut geos_geom: geos::Geometry = (&orig).try_into().unwrap();
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(Geometry::MultiPolygon(orig.clone()), retour.to_geometry());
}

fn geometry_to_geos(geom: &geo_types::Geometry) -> geos::Geometry {
    match geom {
        Geometry::Point(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::MultiPoint(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::LineString(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::MultiLineString(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::Polygon(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::MultiPolygon(inner) => geos::Geometry::try_from(inner).unwrap(),
        Geometry::GeometryCollection(inner) => geometry_collection_to_geos(inner),
        _ => unimplemented!(),
    }
}

fn geometry_collection_to_geos(geom: &geo_types::GeometryCollection) -> geos::Geometry {
    let geoms: Vec<_> = geom.0.iter().map(geometry_to_geos).collect::<Vec<_>>();

    geos::Geometry::create_geometry_collection(geoms).unwrap()
}

#[test]
fn read_geometry_collection() {
    let orig = geometry_collection_2d();

    let mut geos_geom = geometry_collection_to_geos(&orig);
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let retour = read_wkb(&buf).unwrap();
    assert_eq!(
        Geometry::GeometryCollection(orig.clone()),
        retour.to_geometry()
    );
}

fn test_ewkb_buf_with_trailing_data(g: &Geometry) {
    let mut geos_geom = geometry_to_geos(g);
    geos_geom.set_srid(1);

    let mut wkb_writer = WKBWriter::new().unwrap();
    wkb_writer.set_include_SRID(true);
    let mut buf: Vec<u8> = wkb_writer.write_wkb(&geos_geom).unwrap().into();

    let original_len = buf.len();
    buf.extend_from_slice(&[0xFF, 0xFF, 0xFF, 0xFF]);

    let wkb = read_wkb(&buf).unwrap();
    let trimmed_buf = wkb.buf();
    assert_eq!(trimmed_buf.len(), original_len);

    let wkb2 = read_wkb(trimmed_buf).unwrap();
    assert_eq!(*g, wkb2.to_geometry());
}

#[test]
fn ewkb_point_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::Point(point_2d()));
}

#[test]
fn ewkb_line_string_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::LineString(linestring_2d()));
}

#[test]
fn ewkb_polygon_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::Polygon(polygon_2d()));
}

#[test]
fn ewkb_polygon_with_interior_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::Polygon(polygon_2d_with_interior()));
}

#[test]
fn ewkb_multi_point_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::MultiPoint(multi_point_2d()));
}

#[test]
fn ewkb_multi_line_string_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::MultiLineString(multi_line_string_2d()));
}

#[test]
fn ewkb_multi_polygon_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::MultiPolygon(multi_polygon_2d()));
}

#[test]
fn ewkb_geometry_collection_buf_with_trailing_data() {
    test_ewkb_buf_with_trailing_data(&Geometry::GeometryCollection(geometry_collection_2d()));
}