## vim:textwidth=80:expandtab:shiftwidth=4:softtabstop=4
library(oce)

## FIXME: commented-out data() lines indicate things to be done.

## Part 1: various tests, some of them ad-hock

## data("adp")
## data("adv")
## data("argo")

test_that("cm", {
    data("cm")
    S <- cm[["salinity"]]
    S1 <- swSCTp(cm)
    expect_equal(S, S1, tolerance = 0.001)
    S2a <- swSCTp(cm[["conductivity"]], cm[["temperature"]], cm[["pressure"]], conductivityUnit = cm[["conductivity unit"]])
    expect_equal(S1, S2a)
    S2b <- swSCTp(cm[["conductivity"]], cm[["temperature"]], cm[["pressure"]], conductivityUnit = cm[["conductivityUnit"]])
    expect_equal(S1, S2b)
    S2c <- swSCTp(cm[["conductivity"]], cm[["temperature"]], cm[["pressure"]], conductivityUnit = as.character(cm[["conductivityUnit"]]$unit))
    expect_equal(S1, S2c)
})

## data("coastlineWorld")

test_that("ctd", {
    data("ctd")
    expect_equal(ctd[["latitude"]], 44.6842666666667)
    expect_equal(ctd[["longitude"]], -63.6438833333333)
    # next two lines test issues 1460 and 1547
    expect_equal(ctd[["time"]][1], as.POSIXct("2003-10-15 15:40:47", tz = "UTC"))
    expect_equal(length(ctd[["time"]]), length(ctd[["pressure"]]))
    # units are checked in test_accessors.R
    expect_equal(ctd[["pressureType"]], "sea")
})

## data("ctdRaw")
## data("echosounder")
## data("lisst")
## data("lobo")
## data("rsk")
## data("met")

test_that("sealevel", {
    data("sealevel")
    expect_equal(sealevel[["latitude"]], 44.666667)
    expect_equal(sealevel[["longitude"]], -63.583333)
    expect_equal(sealevel[["stationNumber"]], 490)
    expect_equal(sealevel[["GMTOffset"]], 0)
})

## data("sealevelTuktoyaktuk")

test_that("sealevel", {
    data("section")
    expect_equal(section[["sectionId"]], "a03")
    expect_equal(length(section@data$station), 124)
    expect_equal(section@data$station[[1]]@metadata$station, "3")
    expect_equal(section@data$station[[1]][["station"]], "3")
    expect_equal(section@data$station[[1]][["latitude"]], 36.8758)
    expect_equal(section@data$station[[1]][["longitude"]], -8.5263)
})

## data("tidedata")
test_that("topoWorld", {
    data("topoWorld")
    expect_equal(range(topoWorld[["longitude"]]), 179.75 * c(-1, 1))
    expect_equal(range(topoWorld[["latitude"]]), 89.75 * c(-1, 1))
})
## data("wind")


## Part 2: check units

## below constructed from the files in oce/data
test_that("units", {
    names <- c(
        "adp", "adv", "argo", "cm", "coastlineWorld", "ocecolors", "ctd",
        "ctdRaw", "echosounder", "landsat", "lisst", "lobo", "met", "rsk",
        "sealevel", "sealevelTuktoyaktuk", "section", "tidedata",
        "topoWorld", "wind"
    )
    for (name in names) {
        data(list = name)
        if (name == "section") {
            x <- get(name)
            x <- x[["station", 1]]
        } else {
            x <- get(name)
        }
        if ("metadata" %in% slotNames(x) && "units" %in% names(x@metadata)) {
            units <- x@metadata$units
            if (length(units) > 0) {
                unitsNames <- names(units)
                for (i in seq_along(units)) {
                    this <- units[[i]]
                    expect_equal(2, length(this))
                    expect_equal(2, sum(c("unit", "scale") %in% names(this)))
                    expect_true(is.expression(this$unit))
                    expect_true(is.character(this$scale))
                }
            }
        }
    }
})