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## Tests for main coenocline() function
## Load packages
library("testthat")
library("coenocliner")
context("Testing coenocline() functionality")
## set up for tests
x <- seq(from = 4, to = 6, length = 100)
opt <- c(3.75, 4, 4.55, 5, 5.5) + 0.5
tol <- rep(0.25, 5)
h <- rep(20, 5)
## simulate
set.seed(1)
sim <- coenocline(x,
responseModel = "gaussian",
params = cbind(opt = opt, tol = tol, h = h),
countModel = "poisson")
test_that("coenocline() returns an integer matrix", {
expect_that(sim, is_a("coenocline"))
expect_that(sim, is_a("matrix"))
expect_that(typeof(sim) == "integer", is_true())
})
test_that("coenocline() returns matrix with correct number of species", {
expect_that(NCOL(sim), equals(length(opt)))
})
test_that("coenocline() returns matrix with correct number of samples (rows)", {
expect_that(NROW(sim), equals(length(x)))
})
## simulate
x <- seq(from = 4, to = 6, length = 100)
y <- seq(from = 1, to = 100, length = 100)
optx <- c(3.75, 4, 4.55, 5, 5.5) + 0.5
opty <- c(5, 50, 75, 10, 60)
tolx <- rep(0.25, 5)
toly <- rep(2, 5)
h <- rep(30, 5)
set.seed(1)
sim <- coenocline(cbind(x, y),
responseModel = "gaussian",
params = list(px = cbind(opt = optx, tol = tolx, h = h),
py = cbind(opt = opty, tol = toly)),
countModel = "poisson")
test_that("coenocline() returns an integer matrix with x and y gradients", {
expect_that(sim, is_a("coenocline"))
expect_that(sim, is_a("matrix"))
expect_that(typeof(sim) == "integer", is_true())
})
test_that("coenocline() returns matrix with correct number of species with x and y gradients", {
expect_that(NCOL(sim), equals(length(opt)))
})
test_that("coenocline() returns matrix with correct number of samples with x and y gradients", {
expect_that(NROW(sim), equals(length(x)))
})
test_that("coenocline() works with parameters as lists", {
lp <- list(px = list(opt = optx, tol = tolx, h = h),
py = list(opt = opty, tol = toly))
set.seed(1)
sim2 <- coenocline(cbind(x, y),
responseModel = "gaussian",
params = lp,
countModel = "poisson")
expect_that(sim2, is_a("coenocline"))
expect_that(sim2, is_a("matrix"))
expect_that(NCOL(sim2), equals(length(opt)))
expect_that(NROW(sim2), equals(length(x)))
expect_that(sim2, is_identical_to(sim))
})
test_that("coenocline() works with gradient values supplied as a list", {
lp <- list(px = list(opt = optx, tol = tolx, h = h),
py = list(opt = opty, tol = toly))
set.seed(1)
sim3 <- coenocline(list(x = x, y = y),
responseModel = "gaussian",
params = lp,
countModel = "poisson")
expect_that(sim3, is_a("coenocline"))
expect_that(sim3, is_a("matrix"))
expect_that(NCOL(sim3), equals(length(opt)))
expect_that(NROW(sim3), equals(length(x)))
expect_that(sim3, is_identical_to(sim))
})
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