inst/tinytest/test_ctrdata_sqlite_ctgov.R

In rfhb/ctrdata: Retrieve and Analyze Clinical Trials in Public Registers

## RH 2019-09-28

#### SETUP ####
if (!at_home()) exit_file("Reason: not at_home")
source("setup_ctrdata.R")

if (!checkSqlite())   exit_file("Reason: no SQLite")
if (!checkInternet()) exit_file("Reason: no internet connectivity")

#### CTGOV ####
tf <- function() {

  # test
  expect_error(
    dbQueryHistory(
      nodbi::src_sqlite(
        dbname = ":memory:")
    ),
    "Specify parameter"
  )

  # create database object
  dbc <- suppressWarnings(nodbi::src_sqlite(
    dbname = ":memory:",
    collection = mongoLocalRwCollection))

  # register clean-up
  on.exit(expr = {
    try({
      if (DBI::dbExistsTable(conn = dbc$con, name = dbc$collection))
        DBI::dbRemoveTable(conn = dbc$con, name = dbc$collection)
      RSQLite::dbDisconnect(conn = dbc$con)
      rm(dbc)
    },
    silent = TRUE)
  }, add = TRUE)

  # check server
  if (httr::status_code(
    httr::HEAD("https://classic.clinicaltrials.gov/ct2/search",
               httr::timeout(10L))) != 200L
  ) return(exit_file("Reason: CTGOV not working"))

  # do tests
  source("ctrdata_ctgov.R", local = TRUE)

}
tf()