tests/testthat/test_tdf.R

In rtrim: Trends and Indices for Monitoring Data

testthat::context("Reading TRIM input files")


test_that("reading happy flow",{
f <- tempfile()
# happy flow
writeLines("1 1992 186 1.0000 1
1 1993 60 1.0000 1
1 1994 39 1.0000 1
1 1995 3 1.0000 1
1 1996 3 1.0000 1
1 1997 0 1.0000 1
1 1998 0 1.0000 1
1 1999 0 1.0000 1
1 2000 0 1.0000 1
1 2001 -1 1.0000 1",con=f)

  dat <- read_tdf(x=f,missing=-1L, weight=TRUE, ncovars=1,labels="covar01")
  expect_equal(dat[1,],
      data.frame(
        site= 1
        ,time=1992
        ,count=186
        ,weight=1
        ,covar01=1
      ))
  expect_equal(dat[10,3],NA_integer_)
  tryCatch(unlink(f),error=function(e)cat(sprintf("Could not unlink temporary file %s",f)))
})


test_that("reading with errors",{
f <- tempfile()
writeLines("1 1992 186 1
             1 1993 60 1.0000 1
             1 1994 39 1.0000 1
             1 1995 3 1.0000 1
             1 1996 3 1.0000 1
             1 1997 0 1.0000 1
             1 1998 0 1.0000 1
             1 1999 0 1.0000 1
             1 2000 0 1.0000 1
             1 2001 -1 1.0000 1",con=f)
  expect_error(read_tdf(x=f,weight=TRUE),regexp = "Expected 4 columns")
})