library(dplyr)
library(httr)
test_that("kraje", {
skip_on_cran()
Sys.setenv("NETWORK_UP" = FALSE)
expect_message(kraje(), "internet") # zpráva o chybějícím internetu
Sys.setenv("NETWORK_UP" = TRUE)
expect_true(is.data.frame(kraje()))
expect_true(is.data.frame(kraje("low")))
expect_true(is.data.frame(kraje("high")))
expect_s3_class(kraje(), "sf")
expect_s3_class(kraje("high"), "sf")
expect_s3_class(kraje("low"), "sf")
expect_equal(nrow(kraje()), 14)
expect_equal(nrow(kraje("low")), 14)
expect_equal(nrow(kraje("high")), 14)
expect_equal(st_crs(kraje("low"))$input, "EPSG:4326")
expect_equal(st_crs(kraje("high"))$input, "EPSG:4326")
expect_true(all(st_is_valid(kraje("high"))))
expect_true(all(st_is_valid(kraje("low"))))
# sloupce se nerozbily...
expect_equal(colnames(kraje()), c("KOD_KRAJ", "KOD_CZNUTS3", "NAZ_CZNUTS3", "geometry"))
expect_equal(colnames(kraje("low")),
colnames(kraje("high")))
# názvy se nerozbily...
expect_equal(kraje("low")$NAZ_CZNUTS3,
kraje("high")$NAZ_CZNUTS3)
expect_error(kraje("bflm")) # neznámé rozlišení - očekávám high(default) / low
# low res je menší než high res
expect_true(object.size(kraje("low")) < object.size(kraje("high")))
# Středočeský kraj má v sobě díru jménem Praha - plocha je plus mínus 1%
stc_low <- kraje("low") %>%
subset(KOD_CZNUTS3 == "CZ020")
stc_high <- kraje("high") %>%
subset(KOD_CZNUTS3 == "CZ020")
expect_equal(st_area(stc_low), st_area(stc_high), tolerance = 1/100)
# Jihočeský kraj je jeden polygon
expect_equal(length(st_geometry(kraje("low")[kraje("low")$KOD_CZNUTS3 == "CZ031", ])), 1)
expect_equal(length(st_geometry(kraje("high")[kraje("low")$KOD_CZNUTS3 == "CZ031", ])), 1)
expect_equal(length(st_geometry(kraje()[kraje("low")$KOD_CZNUTS3 == "CZ031", ])), 1)
})
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