public void LineIsValid_ShouldReturnFalse_OnSelfIntersectingLine()
{
// Line self interects, which is not okay
//
// O
// |
// -----------O
// | |
// | |
// |------|
var logger = A.Fake <ILogger <RouteSegmentValidator> >();
var applicationSettings = A.Fake <IOptions <ApplicationSetting> >();
A.CallTo(() => applicationSettings.Value).Returns(new ApplicationSetting {
Tolerance = 0.01
});
var line = new WKTReader().Read("LINESTRING(578246.766964452 6179292.47246163,578228.753982917 6179292.77605121,578229.867144697 6179305.830403,578241.909531229 6179304.81843774,578239.076028516 6179286.70425968)") as LineString;
var routeSegmentValidator = new RouteSegmentValidator(logger, applicationSettings);
var result = routeSegmentValidator.LineIsValid(line);
result.Should().BeFalse();
}
public void LineIsValid_ShouldReturnTrue_OnSimpleLine()
{
// O------O
var logger = A.Fake <ILogger <RouteSegmentValidator> >();
var applicationSettings = A.Fake <IOptions <ApplicationSetting> >();
A.CallTo(() => applicationSettings.Value).Returns(new ApplicationSetting {
Tolerance = 0.01
});
var line = new WKTReader().Read("LINESTRING(578223.64355838 6179284.23759438, 578238.4182511 6179279.78494725)") as LineString;
var routeSegmentValidator = new RouteSegmentValidator(logger, applicationSettings);
var result = routeSegmentValidator.LineIsValid(line);
result.Should().BeTrue();
}
public void LineIsValid_ShouldReturnFalse_OnEdgeDistanceMoreLessTolerance()
{
// Line end 0.023 from edge is not ok
//
// S
// |
//|--E < 0.007 >|
//| |
//| |
//|-------------|
var logger = A.Fake <ILogger <RouteSegmentValidator> >();
var applicationSettings = A.Fake <IOptions <ApplicationSetting> >();
A.CallTo(() => applicationSettings.Value).Returns(new ApplicationSetting {
Tolerance = 0.01
});
var line = new WKTReader().Read("LINESTRING(578257.898582255 6179230.84377762,578248.38610886 6179230.74258109,578248.487305386 6179238.43351703,578257.79738573 6179238.3323205,578256.811707854 6179230.83918227)") as LineString;
// Assert that distance from end point to edge is 0.007
Coordinate[] linePointsMinusOne = new Coordinate[line.NumPoints - 1];
for (int i = 0; i < line.NumPoints - 1; i++)
{
linePointsMinusOne[i] = line.GetPointN(i).Coordinate;
}
var newLine = new LineString(linePointsMinusOne);
var endPointToEdgeDistance = Math.Round(line.EndPoint.Distance(newLine), 3);
var routeSegmentValidator = new RouteSegmentValidator(logger, applicationSettings);
var result = routeSegmentValidator.LineIsValid(line);
// Assert that distance from end point to edge is 0.007
endPointToEdgeDistance.Should().Be(0.007);
result.Should().BeFalse();
}
public void LineIsValid_ShouldReturnFalse_OnEndsSnappedLine()
{
// Line with ends snapped together, which is not okay
//
// -------O
// | |
// | |
// |------|
var logger = A.Fake <ILogger <RouteSegmentValidator> >();
var applicationSettings = A.Fake <IOptions <ApplicationSetting> >();
A.CallTo(() => applicationSettings.Value).Returns(new ApplicationSetting {
Tolerance = 0.01
});
var line = new WKTReader().Read("LINESTRING(578241.656539916 6179263.6946997,578230.221332537 6179263.2899136,578229.715349909 6179272.70119047,578241.352950339 6179273.40956615,578241.656539916 6179263.6946997)") as LineString;
var routeSegmentValidator = new RouteSegmentValidator(logger, applicationSettings);
var result = routeSegmentValidator.LineIsValid(line);
result.Should().BeFalse();
}
public void LineIsValid_ShouldReturnFalse_OnEndsDistanceLessThanTolerance()
{
// Line ends are 0.005 (tolerance) meters from each other
//
// |-O < 0.005 > O-|
// | |
// | |
// |---------------|
var logger = A.Fake <ILogger <RouteSegmentValidator> >();
var applicationSettings = A.Fake <IOptions <ApplicationSetting> >();
A.CallTo(() => applicationSettings.Value).Returns(new ApplicationSetting {
Tolerance = 0.01
});
var line = new WKTReader().Read("LINESTRING(578257.898582255 6179230.84377762,578248.38610886 6179230.74258109,578248.487305386 6179238.43351703,578257.79738573 6179238.3323205,578257.898186956 6179230.84901533)") as LineString;
var routeSegmentValidator = new RouteSegmentValidator(logger, applicationSettings);
var result = routeSegmentValidator.LineIsValid(line);
result.Should().BeFalse();
}