Nothing
test_that("basic plot test, layout 1", {
skip_if_not_installed("vdiffr")
g <- make_graph(c(1, 2, 1, 1, 2, 3), directed = F)
g$layout <- structure(
c(
1.3334764568601,
0.25005693449542,
-0.832839300886122,
-1.08278419159866,
-0.70646229874506,
-0.33032215991384
),
dim = 3:2
)
vdiffr::expect_doppelganger(
"Basic graph, layout 1",
function() {
cols <- c("red", "green", "blue")
plot(g, edge.color = cols)
}
)
})
test_that("basic plot test, layout 2", {
skip_if_not_installed("vdiffr")
g <- make_graph(c(1, 2, 1, 1, 2, 3), directed = F)
g$layout <- structure(
c(
1.17106961533433,
1.63885278868168,
2.10732892696401,
3.91718168529106,
2.87660789399794,
1.83449260993935
),
dim = 3:2
)
vdiffr::expect_doppelganger(
"Basic graph, layout 2",
function() {
cols <- c("red", "green", "blue")
plot(g, edge.color = cols)
}
)
})
test_that("basic plot test, spheres", {
skip_if_not_installed("vdiffr")
g <- make_graph(c(1, 2, 1, 1, 2, 3), directed = F)
g$layout <- structure(
c(
1.17106961533433,
1.63885278868168,
2.10732892696401,
3.91718168529106,
2.87660789399794,
1.83449260993935
),
dim = 3:2
)
vdiffr::expect_doppelganger(
"Basic graph, spheres",
function() {
plot(g, vertex.shape = "sphere", vertex.size = 100)
}
)
})
test_that("rglplot() works", {
skip_if_not_installed("rgl")
# https://stackoverflow.com/a/46320771/5489251
withr::local_envvar(RGL_USE_NULL = TRUE)
withr::local_seed(42)
el <- cbind(sample(1:5), sample(1:5))
g <- graph_from_edgelist(el)
expect_silent(rglplot(g))
expect_silent(rglplot(g, edge.label = letters[1:ecount(g)]))
})
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