library(testthat)
library(ergm)
#library(lolog)
library(igraph)
library(network)



test_that("DirectedNet", {
  data(sampson)
  nw <- samplike
  el <- as.matrix(nw, matrix.type = "edgelist")
  nVerts <- 18
  net <- as.BinaryNet(nw)
  
  expect_true(all(el[order(el[, 1], el[, 2]), ] == net$edges()))
  
  expect_true(all(list.vertex.attributes(nw) %in% net$variableNames(TRUE)))
  
  net1 <- as.network(net)
  expect_identical(network.vertex.names(nw), network.vertex.names(net1))
  net2 <- new(DirectedNet, el, nVerts)
  expect_true(all(as.matrix(net1, matrix.type = "edgelist") == el[order(el[, 1], el[, 2]), ]))
  
  expect_true(all(nw[1:10, 1:5] == net[1:10, 1:5]))
  
  expect_true(all(rowSums(as.matrix(nw)) == net$outDegree(1:nVerts)))
  expect_true(all(colSums(as.matrix(nw)) == net$inDegree(1:nVerts)))
  
  net$setDyads(c(1, 2, 2), c(4, 5, 6), c(TRUE, FALSE, NA))
  expect_identical(net$getDyads(c(1, 2, 2), c(4, 5, 6)), c(TRUE, FALSE, NA))
  
  net[1:5, 1:2] <- matrix(rep(1, 10), ncol = 2)
  expect_identical(net[1:5, 1:2],
                   structure(
                     c(FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE,
                       TRUE, TRUE),
                     .Dim = c(5L, 2L)
                   ))
  
  expect_true(is.null(net[["dsd"]]))
  f <- nw %v% "group"
  net[["group"]] <- f
  expect_true(identical(net[["group"]], as.factor(f)))
  net[["group"]] <- f
  
  f <- as.factor(f)
  f[1:floor(length(f) / 2)] <- NA
  net[["f"]] <- f
  expect_true(identical(net[["f"]], f))
  
  rn <- rnorm(nVerts)
  net[["norm"]] <- rn
  expect_true(all(net[["norm"]] == rn))
  net[["norm"]] <- NULL
  expect_true(is.null(net[["norm"]]))
  
  expect_identical(net$nMissing(1:18),
                   c(0L, 1L, 0L, 0L, 0L, 0L, 0L,
                     0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L,
                     0L, 0L, 0L))
  
  net[1, 1:18] <- rep(NA, 18)
  expect_true(length(net$outNeighbors(c(1))[[1]]) == 0)
  expect_true(net$outDegree(1) == 0)
  
  a <- 1:nVerts
  attr(a, "lowerBound") <- 1
  attr(a, "upperBound") <- nVerts
  net[["a"]] <- a
  expect_true(attr(net[["a"]], "lowerBound") == 1)
  expect_true(attr(net[["a"]], "upperBound") == 18)
})


test_that("UndirectedNet", {
  data(flo)
  nw <- network(flo, directed = FALSE)
  el <- as.matrix(nw, matrix.type = "edgelist")
  nVerts <- 16
  
  net <- as.BinaryNet(nw)
  expect_true(all(el[order(el[, 2]), 2:1] == net$edges()))
  
  expect_true(all(list.vertex.attributes(nw) %in% net$variableNames(TRUE)))
  
  net1 <- as.network(net)
  expect_identical(network.vertex.names(nw), network.vertex.names(net1))
  net2 <- new(UndirectedNet, el, nVerts)
  expect_true(all(as.matrix(net1, matrix.type = "edgelist") == el[order(el[, 2]), 2:1]))
  
  expect_true(all(nw[1:10, 1:5] == net[1:10, 1:5]))
  
  expect_true(all(rowSums(as.matrix(nw)) == net$degree(1:nVerts)))
  
  net$setDyads(c(1, 2, 2), c(4, 5, 6), c(TRUE, FALSE, NA))
  expect_identical(net$getDyads(c(1, 2, 2), c(4, 5, 6)), c(TRUE, FALSE, NA))
  
  net[1:5, 1:2] <- matrix(rep(1, 10), ncol = 2)
  expect_identical(net[1:5, 1:2],
                   structure(
                     c(FALSE, TRUE, TRUE, TRUE, TRUE, TRUE, FALSE, TRUE,
                       TRUE, TRUE),
                     .Dim = c(5L, 2L)
                   ))
  
  expect_true(is.null(net[["dsd"]]))
  nw %v% "group" <- rep(c("a", "b", "c", "d"), 4)
  f <- nw %v% "group"
  net[["group"]] <- f
  expect_true(identical(net[["group"]], as.factor(f)))
  
  f <- as.factor(f)
  f[1:floor(length(f) / 2)] <- NA
  net[["f"]] <- f
  expect_true(identical(net[["f"]], f))
  
  rn <- rnorm(nVerts)
  net[["norm"]] <- rn
  expect_true(all(net[["norm"]] == rn))
  net[["norm"]] <- NULL
  expect_true(is.null(net[["norm"]]))
  
  expect_identical(net$nMissing(1:nVerts),
                   c(0L, 1L, 0L, 0L, 0L, 1L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L, 0L,
                     0L))
  
  net[1, 1:nVerts] <- rep(NA, nVerts)
  expect_true(length(net$neighbors(c(1))[[1]]) == 0)
  expect_true(all(net$degree(c(1)) == c(0)))
  
  a <- 1:nVerts
  attr(a, "lowerBound") <- 1
  attr(a, "upperBound") <- nVerts
  net[["a"]] <- a
  expect_true(attr(net[["a"]], "lowerBound") == 1)
  expect_true(attr(net[["a"]], "upperBound") == 16)
})




test_that("igraph Conversions", {
  g <- igraph::make_full_graph(5)
  net <- as.BinaryNet(g)
  expect_true(sum(net[1:5,1:5]) == 20)
  
  expect_true(calculateStatistics(g ~ edges()) == 10)
  
})