public void GetNumberOfLines_ShapeFileWithMultipleLineFeatures_ReturnThatNumberOfFeatures()
{
// Setup
string shapeWithMultiplePolygons = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Multiple_Polygon_with_ID.shp");
using (var reader = new PolygonShapeFileReader(shapeWithMultiplePolygons))
{
// Call
int count = reader.GetNumberOfFeatures();
// Assert
Assert.AreEqual(4, count);
}
}
public void GetNumberOfLines_ShapeFileWithOnePolygonWithHoles_ReturnOne()
{
// Setup
string shapeWithOnePolygonWithHoles = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Single_Polygon_with_two_holes_with_ID.shp");
using (var reader = new PolygonShapeFileReader(shapeWithOnePolygonWithHoles))
{
// Call
int count = reader.GetNumberOfFeatures();
// Assert
Assert.AreEqual(1, count);
}
}
public void GetNumberOfLines_EmptyPolygonShapeFile_ReturnZero()
{
// Setup
string shapeWithOnePolygon = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Empty_Polygon_with_ID.shp");
using (var reader = new PolygonShapeFileReader(shapeWithOnePolygon))
{
// Call
int count = reader.GetNumberOfFeatures();
// Assert
Assert.AreEqual(0, count);
}
}
public void ReadLine_WhenAtEndOfShapeFile_ReturnNull(string fileName)
{
// Setup
string filePath = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
fileName);
using (var reader = new PolygonShapeFileReader(filePath))
{
for (var i = 0; i < reader.GetNumberOfFeatures(); i++)
{
reader.ReadFeature();
}
// Call
var polygon = reader.ReadFeature() as MapPolygonData;
// Assert
Assert.IsNull(polygon);
}
}
public void ReadShapeFile_ShapeFileWithMultiplePolygonFeatures_ReturnShapes()
{
// Setup
string shapeWithMultiplePolygons = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Multiple_Polygon_with_ID.shp");
using (var reader = new PolygonShapeFileReader(shapeWithMultiplePolygons))
{
// Precondition
Assert.AreEqual(4, reader.GetNumberOfFeatures());
// Call
var polygons = (MapPolygonData)reader.ReadShapeFile();
// Assert
MapFeature[] features = polygons.Features.ToArray();
Assert.AreEqual(4, features.Length);
Assert.AreEqual(1, polygons.MetaData.Count());
Assert.AreEqual("id", polygons.SelectedMetaDataAttribute);
#region Assertsions for 'polygon1'
MapFeature polygon1 = features[0];
MapGeometry[] polygon1Geometry = polygon1.MapGeometries.ToArray();
Assert.AreEqual(1, polygon1Geometry.Length);
IEnumerable <Point2D>[] polygon1PointCollections = polygon1Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon1PointCollections.Length);
Point2D[] polygon1FirstPointCollection = polygon1PointCollections[0].ToArray();
Assert.AreEqual(6, polygon1FirstPointCollection.Length);
Assert.AreEqual(-1.070, polygon1FirstPointCollection[2].X, 1e-1);
Assert.AreEqual(0.066, polygon1FirstPointCollection[2].Y, 1e-1);
Assert.AreEqual(1, polygon1.MetaData.Count);
Assert.AreEqual(4, polygon1.MetaData["id"]);
#endregion
#region Assertsions for 'polygon2'
MapFeature polygon2 = features[1];
MapGeometry[] polygon2Geometry = polygon2.MapGeometries.ToArray();
Assert.AreEqual(1, polygon2Geometry.Length);
IEnumerable <Point2D>[] polygon2PointCollections = polygon2Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon2PointCollections.Length);
Point2D[] polygon2FirstPointCollection = polygon2PointCollections[0].ToArray();
Assert.AreEqual(25, polygon2FirstPointCollection.Length);
Assert.AreEqual(-2.172, polygon2FirstPointCollection[23].X, 1e-1);
Assert.AreEqual(0.212, polygon2FirstPointCollection[23].Y, 1e-1);
Assert.AreEqual(1, polygon2.MetaData.Count);
Assert.AreEqual(3, polygon2.MetaData["id"]);
#endregion
#region Assertsions for 'polygon3'
MapFeature polygon3 = features[2];
MapGeometry[] polygon3Geometry = polygon3.MapGeometries.ToArray();
Assert.AreEqual(1, polygon3Geometry.Length);
IEnumerable <Point2D>[] polygon3PointCollections = polygon3Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon3PointCollections.Length);
Point2D[] polygon3FirstPointCollection = polygon3PointCollections[0].ToArray();
Assert.AreEqual(10, polygon3FirstPointCollection.Length);
Assert.AreEqual(-1.091, polygon3FirstPointCollection[0].X, 1e-1);
Assert.AreEqual(0.566, polygon3FirstPointCollection[0].Y, 1e-1);
Assert.AreEqual(1, polygon3.MetaData.Count);
Assert.AreEqual(2, polygon3.MetaData["id"]);
#endregion
#region Assertsions for 'polygon4'
MapFeature polygon4 = features[3];
MapGeometry[] polygon4Geometry = polygon4.MapGeometries.ToArray();
Assert.AreEqual(1, polygon4Geometry.Length);
IEnumerable <Point2D>[] polygon4PointCollections = polygon4Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon4PointCollections.Length);
Point2D[] polygon4FirstPointCollection = polygon4PointCollections[0].ToArray();
Assert.AreEqual(9, polygon4FirstPointCollection.Length);
Assert.AreEqual(-1.917, polygon4FirstPointCollection[8].X, 1e-1);
Assert.AreEqual(0.759, polygon4FirstPointCollection[8].Y, 1e-1);
Assert.AreEqual(1, polygon4.MetaData.Count);
Assert.AreEqual(1, polygon4.MetaData["id"]);
#endregion
}
}
public void ReadLine_ShapeFileWithMultiplePolygonFeatures_ReturnShapes()
{
// Setup
string shapeWithMultiplePolygons = TestHelper.GetTestDataPath(TestDataPath.Core.Components.Gis.IO,
"Multiple_Polygon_with_ID.shp");
using (var reader = new PolygonShapeFileReader(shapeWithMultiplePolygons))
{
// Precondition
Assert.AreEqual(4, reader.GetNumberOfFeatures());
// Call
var polygons1 = (MapPolygonData)reader.ReadFeature();
var polygons2 = (MapPolygonData)reader.ReadFeature();
var polygons3 = (MapPolygonData)reader.ReadFeature();
var polygons4 = (MapPolygonData)reader.ReadFeature();
// Assert
#region Assertsions for 'polygon1'
MapFeature[] features1 = polygons1.Features.ToArray();
Assert.AreEqual(1, features1.Length);
MapFeature polygon1 = features1[0];
MapGeometry[] polygon1Geometry = polygon1.MapGeometries.ToArray();
Assert.AreEqual(1, polygon1Geometry.Length);
IEnumerable <Point2D>[] polygon1PointCollections = polygon1Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon1PointCollections.Length);
Point2D[] polygon1PointCollection = polygon1PointCollections[0].ToArray();
Assert.AreEqual(6, polygon1PointCollection.Length);
Assert.AreEqual(-1.070, polygon1PointCollection[2].X, 1e-1);
Assert.AreEqual(0.066, polygon1PointCollection[2].Y, 1e-1);
#endregion
#region Assertsions for 'polygon2'
MapFeature[] features2 = polygons2.Features.ToArray();
Assert.AreEqual(1, features2.Length);
MapFeature polygon2 = features2[0];
MapGeometry[] polygon2Geometry = polygon2.MapGeometries.ToArray();
Assert.AreEqual(1, polygon2Geometry.Length);
IEnumerable <Point2D>[] polygon2PointCollections = polygon2Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon2PointCollections.Length);
Point2D[] polygon2PointCollection = polygon2PointCollections[0].ToArray();
Assert.AreEqual(25, polygon2PointCollection.Length);
Assert.AreEqual(-2.172, polygon2PointCollection[23].X, 1e-1);
Assert.AreEqual(0.212, polygon2PointCollection[23].Y, 1e-1);
#endregion
#region Assertsions for 'polygon3'
MapFeature[] features3 = polygons3.Features.ToArray();
Assert.AreEqual(1, features3.Length);
MapFeature polygon3 = features3[0];
MapGeometry[] polygon3Geometry = polygon3.MapGeometries.ToArray();
Assert.AreEqual(1, polygon3Geometry.Length);
IEnumerable <Point2D>[] polygon3PointCollections = polygon3Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon3PointCollections.Length);
Point2D[] polygon3PointCollection = polygon3PointCollections[0].ToArray();
Assert.AreEqual(10, polygon3PointCollection.Length);
Assert.AreEqual(-1.091, polygon3PointCollection[0].X, 1e-1);
Assert.AreEqual(0.566, polygon3PointCollection[0].Y, 1e-1);
#endregion
#region Assertsions for 'polygon4'
MapFeature[] features4 = polygons4.Features.ToArray();
Assert.AreEqual(1, features4.Length);
MapFeature polygon4 = features4[0];
MapGeometry[] polygon4Geometry = polygon4.MapGeometries.ToArray();
Assert.AreEqual(1, polygon4Geometry.Length);
IEnumerable <Point2D>[] polygon4PointCollections = polygon4Geometry[0].PointCollections.ToArray();
Assert.AreEqual(1, polygon4PointCollections.Length);
Point2D[] polygon4PointCollection = polygon4PointCollections[0].ToArray();
Assert.AreEqual(9, polygon4PointCollection.Length);
Assert.AreEqual(-1.917, polygon4PointCollection[8].X, 1e-1);
Assert.AreEqual(0.759, polygon4PointCollection[8].Y, 1e-1);
#endregion
}
}