Nothing
context("test-dyad")
library(spatsoc)
DT <- fread('../testdata/DT.csv')
DT[, datetime := as.POSIXct(datetime, tz = 'UTC')]
group_times(DT, datetime = 'datetime', threshold = '20 minutes')
edges <- edge_nn(DT,
id = 'ID',
coords = c('X', 'Y'),
timegroup = 'timegroup')
test_that('DT is required', {
expect_error(dyad_id(DT = NULL),
'input DT required')
})
test_that('id1 and id2 are required', {
expect_error(dyad_id(DT = edges, id1 = NULL),
'input id1 required')
expect_error(dyad_id(DT = edges, id1 = 'ID1', id2 = NULL),
'input id2 required')
})
test_that('columns must be in DT', {
expect_error(dyad_id(DT = edges, id1 = 'potato', id2 = 'ID2'),
'provided are not present in input DT', fixed = FALSE)
expect_error(dyad_id(DT = edges, id1 = 'ID1', id2 = 'potato'),
'provided are not present in input DT', fixed = FALSE)
})
test_that('dyadID column succesfully detected', {
edges[, dyadID := 1]
expect_message(
dyad_id(DT = edges, id1 = 'ID', id2 = 'NN'),
'dyadID column will be overwritten'
)
})
test_that('dyadID handles NAs', {
naedges <- copy(edges)[, NN := NA]
expect_equal(dyad_id(DT = naedges,
id1 = 'ID',
id2 = 'NN')[is.na(dyadID), .N],
naedges[is.na(NN), .N])
naedges <- copy(edges)[, ID := NA]
expect_equal(dyad_id(DT = naedges,
id1 = 'ID',
id2 = 'NN')[is.na(dyadID), .N],
naedges[is.na(ID), .N])
})
test_that('dyadID handles numeric ids', {
nDyads <- dyad_id(copy(edges), 'ID', 'NN')[, uniqueN(dyadID)]
numids <- copy(edges)
numids[, ID := .GRP, ID]
numids[, NN := .GRP, NN]
expect_equal(dyad_id(DT = numids,
id1 = 'ID',
id2 = 'NN')[, uniqueN(dyadID)],
nDyads)
})
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