context("Attribute copying between network and `dat`")

################################################################################

test_that("Copying attributes from network to attribute list", {

  num1 <- num2 <- 500
  nw <- network_initialize(num1 + num2)
  nw <- set_vertex_attribute(nw, "group", rep(1:2, each = num1))
  nw <- set_vertex_attribute(nw, "race", sample(c("B", "W"), num1 + num2,
                                                replace = TRUE))
  nw <- set_vertex_attribute(nw, "region", sample(1:4, num1 + num2,
                                                  replace = TRUE))
  formation <- ~edges + nodematch("group")
  target.stats <- c(400, 0)
  coef.diss <- dissolution_coefs(dissolution = ~offset(edges), duration = 25)
  est <- netest(nw, formation, target.stats, coef.diss)

  param <- param.net(inf.prob = 0.1, inf.prob.g2 = 0.2,
                     act.rate = 5)
  init <- init.net(i.num = 50, i.num.g2 = 50)
  control <- control.net(type = "SI", nsteps = 10, nsims = 2, tergmLite = FALSE,
                         raw.output = TRUE, verbose = FALSE)

  sim <- netsim(est, param, init, control)

  for (simno in c(1, 2)) {
    dat <- sim[[simno]]
    # Character attribute
    dat.attr <- prop.table(table(get_attr(dat, "race")))
    nw.attr <- prop.table(table(get_vertex_attribute(dat$run$nw[[1]], "race")))

    expect_equal(dat.attr, nw.attr)

    # Numeric attribute
    dat.attr <- prop.table(table(get_attr(dat, "region")))
    nw.attr <- prop.table(table(get_vertex_attribute(dat$run$nw[[1]], "region")))

    expect_equal(dat.attr, nw.attr)
  }
})