add some tests for osem_measurements_archive

tests/testthat/test_archive.R

@@ -0,0 +1,53 @@
+source('testhelpers.R')
+
+context('osem_box_to_archivename()')
+
+try({
+  boxes = osem_boxes(grouptag = 'ifgi')
+  box = filter(boxes, row_number() == 1) 
+})
+
+test_that('osem_box_to_archive_name does the correct character replacements', {
+  b = data.frame(
+    name = 'aA1._- äß!"?$%&/',
+    X_id = 'UUID'
+  )
+  
+  archivename = opensensmapr:::osem_box_to_archivename(b)
+  expect_equal(archivename, 'UUID-aA1._-__________')
+})
+
+test_that('osem_box_to_archive_name works for one box', {
+  if (is.null(box)) skip('no box data could be fetched')
+
+  archivename = opensensmapr:::osem_box_to_archivename(box)
+  expect_length(archivename, 1)
+  expect_type(archivename, 'character')
+})
+
+test_that('osem_box_to_archive_name works for multiple boxes', {
+  if (is.null(boxes)) skip('no box data available')
+
+  archivename = opensensmapr:::osem_box_to_archivename(boxes)
+  expect_length(archivename, nrow(boxes))
+  expect_type(archivename, 'character')
+})
+
+context('osem_measurements_archive()')
+
+test_that('osem_measurements_archive works for one box', {
+  if (is.null(box)) skip('no box data could be fetched')
+
+  m = osem_measurements_archive(box, as.POSIXlt('2018-08-08'))
+  expect_length(m, nrow(box$sensors[[1]]) + 1) # one column for each sensor + createdAt
+  expect_s3_class(m, c('osem_measurements', 'tbl_df'))
+})
+
+test_that('osem_measurements_archive fails for multiple boxes', {
+  if (is.null(boxes)) skip('no box data available')
+
+  expect_error(
+    osem_measurements_archive(boxes, as.POSIXlt('2018-08-08')),
+    'this function only works for exactly one senseBox!'
+  )
+})