test: add test for shapefile (#21)

Author: niwa-s

fixtures/input_area.dbf

@@ -0,0 +1 @@
+GEOGCS["WGS84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.017453292519943295]]

fixtures/input_area.prj

@@ -0,0 +1 @@
+GEOGCS["WGS84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.017453292519943295]]

fixtures/input_area.shp

@@ -0,0 +1 @@
+GEOGCS["WGS84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.017453292519943295]]

fixtures/input_area.shx

@@ -413,6 +413,22 @@ mod test {
         );
     }
 
+    #[test]
+    fn test_handle_shp() {
+        let file_path = "./fixtures/input_point.shp";
+        let points = handle_shp(file_path, 0., false).unwrap();
+        let points = points.iter().filter(|g| matches!(g, GridGeom::Point(_)));
+        let file_path = "./fixtures/input_line.shp";
+        let lines = handle_shp(file_path, 0., false).unwrap();
+        let lines = lines.iter().filter(|g| matches!(g, GridGeom::Line(_)));
+        let file_path = "./fixtures/input_area.shp";
+        let areas = handle_shp(file_path, 0., true).unwrap();
+        let poly = areas.iter().filter(|g| matches!(g, GridGeom::Polygon(_)));
+        assert_eq!(points.count(), 1);
+        assert_eq!(lines.count(), 1);
+        assert_eq!(poly.count(), 3);
+    }
+
     #[test]
     fn test_handle_wkt() {
         let input_str = include_str!("../fixtures/input.wkt").to_string();