context("cluster_label_prop")
test_that("label.probagation.community works", {
library(igraph)
g <- make_graph("Zachary")
set.seed(42)
lpc <- cluster_label_prop(g)
expect_that(lpc$modularity, equals(modularity(g, lpc$membership)))
expect_that(as.vector(membership(lpc)),
equals(c(1, 1, 1, 1, 2, 2, 2, 1, 3, 3, 2, 1, 1, 1, 3, 3,
2, 1, 3, 1, 3, 1, 3, 3, 4, 4, 3, 3, 1, 3, 3, 4,
3, 3)))
expect_that(length(lpc), equals(4))
expect_that(sizes(lpc),
equals(structure(c(12L, 5L, 14L, 3L), .Dim = 4L, .Dimnames =
structure(list(`Community sizes` =
c("1", "2", "3", "4")),
.Names = "Community sizes"),
class = "table")))
})
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