test_that("Nodes within tolerance are joined", {
# Create test river network
rivers <- sf::st_as_sf(sf::st_sfc(
sf::st_linestring(matrix(c(2,1,5,5), 2)),
sf::st_linestring(matrix(c(3,2,5,5), 2)),
sf::st_linestring(matrix(c(4,3,4,4), 2)),
sf::st_linestring(matrix(c(3,3,3,4), 2)),
sf::st_linestring(matrix(c(3,3,2,3), 2)),
sf::st_linestring(matrix(c(3,3,1,2), 2)),
sf::st_linestring(matrix(c(3,3,4,5), 2))
)) %>%
dplyr::rename("geometry" = "x") %>%
sf::st_as_sf(wkt = "geometry")
rivers <- sf::st_as_sf(rivers, wkt = "x")
net <- sfnetworks::as_sfnetwork(rivers)
# Create test nodes
nodes <- sf::st_as_sf(sf::st_sfc(
sf::st_point(c(2,2)),
sf::st_point(c(2,7))
)) %>%
dplyr::rename("geometry" = "x") %>%
sf::st_as_sf(wkt = "geometry")
nodes <- sf::st_as_sf(nodes, wkt = "x") %>%
dplyr::mutate(type = "Barrier") %>%
dplyr::mutate(perm = 0)
# Run test without tolerance
expect_snapshot(join_attributes(net, nodes))
# Run test with tolerance
expect_snapshot(join_attributes(net, nodes, tolerance = 1))
})
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