context("sdf")
test_that("sdf works", {
library(igraph)
sdf <- igraph:::sdf
`[.igraphSDF` <- igraph:::`[.igraphSDF`
`[<-.igraphSDF` <- igraph:::`[<-.igraphSDF`
as.data.frame.igraphSDF <- igraph:::as.data.frame.igraphSDF
sdf <- sdf(id=1:10, color="black")
expect_that(as.data.frame(sdf),
equals(data.frame(id=1:10, color="black")))
## access
expect_that(sdf[1,"id"], equals(1))
expect_that(sdf[1:4, "id"], equals(1:4))
expect_that(sdf[, "id"], equals(1:10))
expect_that(sdf[1, "color"], equals("black"))
expect_that(sdf[1:4, "color"], equals(rep("black", 4)))
expect_that(sdf[, "color"], equals(rep("black", 10)))
## set
sdf2 <- sdf
sdf2[5, "id"] <- 100
expect_that(as.data.frame(sdf2),
equals(data.frame(id=c(1:4,100,6:10), color="black")))
sdf2 <- sdf
sdf2[, "id"] <- 0
expect_that(as.data.frame(sdf2),
equals(data.frame(id=rep(0,10), color="black")))
sdf2 <- sdf
sdf2[2:10, "id"] <- 1
expect_that(as.data.frame(sdf2),
equals(data.frame(id=rep(1,10), color="black")))
sdf2 <- sdf
sdf2[, "color"] <- "white"
expect_that(as.data.frame(sdf2),
equals(data.frame(id=1:10, color="white")))
sdf2 <- sdf
sdf2[5:6, "color"] <- "white"
expect_that(as.data.frame(sdf2),
equals(data.frame(id=1:10, color=c(rep("black", 4),
rep("white", 2),
rep("black", 4)))))
})
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