public void SinglePathReturnsMultiLineString(IPolyline polyline, ILine line, ISpatialReference spatialReference)
{
polyline.SetEmpty();
polyline.SpatialReference = spatialReference;
((ISegmentCollection)polyline).AddSegment((ISegment)line);
var actual = JsonConvert.SerializeObject(polyline, Formatting.Indented, _sut);
var expected = $@"{{
""type"": ""MultiLineString"",
""coordinates"": [
[
[
{line.FromPoint.X.ToJsonString()},
{line.FromPoint.Y.ToJsonString()}
],
[
{line.ToPoint.X.ToJsonString()},
{line.ToPoint.Y.ToJsonString()}
]
]
]
}}";
JsonAssert.Equal(expected, actual);
}
public void OnlyCurvesAreGeneralized(GeometryGeoJsonConverter sut, IPolyline polyline, ILine line, ILine otherLine, IPoint extensionPoint, IBezierCurve bezier)
{
// Create {otherLine} that is an extension to {line}.
// This segment must not be simplified during the serialization.
line.QueryPoint(esriSegmentExtension.esriExtendAtTo, line.Length + line.Length / 2, false, extensionPoint);
otherLine.PutCoords(line.ToPoint, extensionPoint);
// Prepare the actual test value.
polyline.SetEmpty();
var segments1 = (ISegmentCollection) new PathClass();
segments1.AddSegment((ISegment)line);
segments1.AddSegment((ISegment)otherLine);
var segments2 = (ISegmentCollection) new PathClass();
segments2.AddSegment((ISegment)bezier);
((IGeometryCollection)polyline).AddGeometry((IGeometry)segments1);
((IGeometryCollection)polyline).AddGeometry((IGeometry)segments2);
var actual = JsonConvert.SerializeObject(polyline, Formatting.Indented, sut);
// It must contain the "mid" point between line.FromPoint and otherLine.ToPoint.
// If it is missing, the serialization merged the two segments even tho Simplify=false.
JsonAssert.Contains($@"
[
{otherLine.FromPoint.X.ToJsonString()},
{otherLine.FromPoint.Y.ToJsonString()}
]", actual);
}
public void OneCompletePathWithManyIncompletePathsReturnLinestring(GeometryGeoJsonConverter sut, IPolyline polyline, ILine line, IPoint fromPoint)
{
var emptyPath = (IPath) new PathClass();
var incompleteLine = (ILine) new LineClass();
incompleteLine.FromPoint = fromPoint;
var incompletePath = (IPath) new PathClass();
((ISegmentCollection)incompletePath).AddSegment((ISegment)incompleteLine);
// Add some incomplete lines.
polyline.SetEmpty();
var pathCol = (IGeometryCollection)polyline;
pathCol.AddGeometry(emptyPath);
pathCol.AddGeometry(incompletePath);
// Add a complete line.
var completePath = (IPath) new PathClass();
((ISegmentCollection)completePath).AddSegment((ISegment)line);
pathCol.AddGeometry(completePath);
// Add some more incomplete lines.
pathCol.AddGeometry((IGeometry)((IClone)emptyPath).Clone());
pathCol.AddGeometry((IGeometry)((IClone)incompletePath).Clone());
var actual = JsonConvert.SerializeObject(polyline, Formatting.Indented, sut);
var expected = $@"{{
""type"": ""LineString"",
""coordinates"": [
[
{line.FromPoint.X.ToJsonString()},
{line.FromPoint.Y.ToJsonString()}
],
[
{line.ToPoint.X.ToJsonString()},
{line.ToPoint.Y.ToJsonString()}
]
]
}}
";
JsonAssert.Equal(expected, actual);
}
public void ManyPathWithSinglePointsReturnsMultiPoint(GeometryGeoJsonConverter sut, IPolyline polyline, IPoint[] points)
{
polyline.SetEmpty();
var collection = (IGeometryCollection)polyline;
foreach (var point in points)
{
var path = (IPointCollection) new PathClass();
path.AddPoint(point);
collection.AddGeometry((IGeometry)path);
}
var actual = JsonConvert.SerializeObject(polyline, Formatting.Indented, sut);
var expected = "null";
JsonAssert.Equal(expected, actual);
}
public void NonTouchingPathsReturnsMultiLineString(IPolyline polyline, ILine line, ILine otherLine)
{
var path1 = (ISegmentCollection) new PathClass();
path1.AddSegment((ISegment)line);
var path2 = (ISegmentCollection) new PathClass();
path2.AddSegment((ISegment)otherLine);
polyline.SetEmpty();
((IGeometryCollection)polyline).AddGeometry((IGeometry)path1);
((IGeometryCollection)polyline).AddGeometry((IGeometry)path2);
var actual = JsonConvert.SerializeObject(polyline, Formatting.Indented, _sut);
var expected = $@"{{
""type"": ""MultiLineString"",
""coordinates"": [
[
[
{line.FromPoint.X.ToJsonString()},
{line.FromPoint.Y.ToJsonString()}
],
[
{line.ToPoint.X.ToJsonString()},
{line.ToPoint.Y.ToJsonString()}
]
],
[
[
{otherLine.FromPoint.X.ToJsonString()},
{otherLine.FromPoint.Y.ToJsonString()}
],
[
{otherLine.ToPoint.X.ToJsonString()},
{otherLine.ToPoint.Y.ToJsonString()}
]
]
]
}}";
JsonAssert.Equal(expected, actual);
}