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opensensmapR/tests/testthat/test_measurements.R

122 lines
4.0 KiB
R

context("measurements")
check_api <- function() {
skip_on_cran()
code <- NA
try(code <- httr::status_code(httr::GET(osem_endpoint())))
if (is.na(code)) skip("API not available")
}
try({
boxes <- osem_boxes()
})
test_that("measurements can be retrieved for a phenomenon", {
check_api()
measurements <- osem_measurements(x = "Windgeschwindigkeit")
expect_true(is.data.frame(measurements))
expect_true("osem_measurements" %in% class(measurements))
})
test_that("measurement retrieval does not give progress information in non-interactive mode", {
check_api()
if (!opensensmapr:::is_non_interactive()) skip("interactive session")
out <- capture.output(measurements <- osem_measurements(x = "Licht"))
expect_length(out, 0)
})
test_that("a response with no matching senseBoxes gives an error", {
check_api()
expect_error(osem_measurements(x = "Windgeschwindigkeit", exposure = "indoor"), "No senseBoxes found")
})
test_that("data.frame can be converted to measurements data.frame", {
df <- osem_as_measurements(data.frame(c(1,2), c("a", "b")))
expect_equal(class(df), c("osem_measurements", "data.frame"))
})
test_that("columns can be specified for phenomena", {
check_api()
cols <- c("value", "boxId", "boxName")
measurements <- osem_measurements(x = "Windgeschwindigkeit", columns = cols)
expect_equal(names(measurements), cols)
})
test_that("measurements can be retrieved for a phenomenon and exposure", {
check_api()
measurements <- osem_measurements(x = "Temperatur", exposure = "unknown",
columns = c("value", "boxId", "boxName"))
expect_equal(nrow(measurements), 0)
})
test_that("measurements of specific boxes can be retrieved for one phenomenon and returns a measurements data.frame", {
check_api()
# fix for subsetting
class(boxes) <- c("data.frame")
three_boxes <- boxes[1:3,]
class(boxes) <- c("sensebox", "data.frame")
three_boxes <- osem_as_sensebox(three_boxes)
phens <- names(osem_phenomena(three_boxes))
measurements <- osem_measurements(x = three_boxes, phenomenon = phens[[1]])
expect_true(is.data.frame(measurements))
expect_true("osem_measurements" %in% class(measurements))
})
test_that("measurements can be retrieved for a bounding box", {
check_api()
sfc <- sf::st_sfc(sf::st_linestring(x = matrix(data = c(7, 8, 50, 51), ncol = 2)), crs = 4326)
bbox <- sf::st_bbox(sfc)
measurements <- osem_measurements(x = bbox, phenomenon = "Windrichtung")
expect_true(all(unique(measurements$lat) > 50))
expect_true(all(unique(measurements$lat) < 51))
expect_true(all(unique(measurements$lon) < 8))
expect_true(all(unique(measurements$lon) > 7))
})
test_that("measurements can be retrieved for a time period", {
check_api()
from_date <- as.POSIXct("2018-01-01 12:00:00")
to_date <- as.POSIXct("2018-01-01 13:00:00")
measurements <- osem_measurements(x = "Temperature", from = from_date, to = to_date)
expect_true(all(measurements$createdAt < to_date))
expect_true(all(measurements$createdAt > from_date))
})
test_that("measurements can be retrieved for a time period > 31 days", {
check_api()
from_date <- as.POSIXct("2017-11-01 12:00:00")
to_date <- as.POSIXct("2018-01-01 13:00:00")
measurements <- osem_measurements(x = "Windrichtung", from = from_date, to = to_date)
expect_true(all(measurements$createdAt < to_date))
expect_true(all(measurements$createdAt > from_date))
})
test_that("both from and to are required when requesting measurements, error otherwise", {
expect_error(osem_measurements(x = "Temperature", from = as.POSIXct("2017-01-01")), "only together with")
expect_error(osem_measurements(x = "Temperature", to = as.POSIXct("2017-01-01")), "only together with")
})
test_that("[.osem_measurements maintains attributes", {
check_api()
sfc <- sf::st_sfc(sf::st_linestring(x = matrix(data = c(7, 8, 50, 51), ncol = 2)), crs = 4326)
bbox <- sf::st_bbox(sfc)
m <- osem_measurements(x = bbox, phenomenon = "Windrichtung")
expect_true(all(attributes(m[1:nrow(m), ]) %in% attributes(m)))
})