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#!/usr/bin/env Rscript
test_that("test default (simple)", {
library("raster")
env.one <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.one[] <- c(3,2,1,4,3,2,5,4,3)
env.two <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.two[] <- c(3,3,5,5,3,4,9,5,3)
env.stack <- raster::stack(list(env_one=env.one, env_two=env.two))
result.layer <- pickMean(env.stack)
standard.result.layer <- raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
standard.result.layer[] <- c(1,1,0,1,1,1,0,1,1)
extent.result <- compareRaster(result.layer, standard.result.layer)
if (extent.result) {
vector.one <- values(result.layer)
vector.two <- as.logical(values(standard.result.layer))
expect_that(vector.one, equals(vector.two))
} else {
expect_that(extent.result, is_true())
}
})
test_that("test subset", {
library("raster")
env.one <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.one[] <- c(3,2,1,4,3,2,5,4,3)
env.two <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.two[] <- c(3,3,5,5,3,4,9,5,3)
env.three <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.three[] <- c(3,3,3,3,3,3,3,3,3)
env.stack <- raster::stack(list(env_one=env.one, env_two=env.two, env_three=env.three))
subset <- c("env_one", "env_two")
result.layer <- pickMean(env.stack, subset)
standard.result.layer <- raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
standard.result.layer[] <- c(1,1,0,1,1,1,0,1,1)
extent.result <- compareRaster(result.layer, standard.result.layer)
if (extent.result) {
vector.one <- values(result.layer)
vector.two <- as.logical(values(standard.result.layer))
expect_that(vector.one, equals(vector.two))
} else {
expect_that(extent.result, is_true())
}
})
test_that("test stack (simple)", {
library("raster")
env.one <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.one[] <- c(3,2,1,4,3,2,5,4,3)
env.two <- raster::raster(nrow=3, ncol=3, xmn=0, xmx=3, ymn=0, ymx=3, crs=NA)
env.two[] <- c(3,3,5,5,3,4,9,5,3)
env.stack <- raster::stack(list(env_one=env.one, env_two=env.two))
result.stack <- pickMean(env.stack, stack=TRUE)
layer.number <- nlayers(result.stack)
expect_that(layer.number, equals(2))
})
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