Running 'testthat.R' [4s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(tsviz)
  > 
  > test_check("tsviz")
  -- 1. Error: can find date columns (@test-get_colums_by_type.R#7)  -------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. tsviz:::get_columns_by_type_match(d, lubridate::is.Date)
    9. dplyr::select_if(., match_fun)
   10. base::getExportedValue(pkg, name)
   11. base::asNamespace(ns)
   12. base::getNamespace(ns)
   13. base::loadNamespace(name)
   14. base::library.dynam(lib, package, package.lib)
  
  -- 2. Error: can find numeric columns (@test-get_colums_by_type.R#18)  ---------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. tsviz:::get_columns_by_type_match(d, is.numeric)
    9. dplyr::select_if(., match_fun)
   10. base::getExportedValue(pkg, name)
   11. base::asNamespace(ns)
   12. base::getNamespace(ns)
   13. base::loadNamespace(name)
   14. base::library.dynam(lib, package, package.lib)
  
  -- 3. Error: finds a tibble (@test-get_data_frame_in_env.R#25)  ----------------
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. base::data.frame(l = c("a", "b", "c"), n = c(1, 2, 3))
    9. dplyr::as_tibble(.)
   10. base::getExportedValue(pkg, name)
   11. base::asNamespace(ns)
   12. base::getNamespace(ns)
   13. base::loadNamespace(name)
   14. base::library.dynam(lib, package, package.lib)
  
  -- 4. Error: finds a time series dataframe (@test-get_data_frame_in_env.R#46)  -
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. tsviz:::get_time_series_data_frames_in_env(test_env)
    2. base::sapply(...)
    3. base::lapply(X = X, FUN = FUN, ...)
    4. tsviz:::FUN(X[[i]], ...)
    5. tsviz:::is_time_series_data_frame(get(x, envir = envir))
    6. tsviz:::get_columns_by_type_match(data, lubridate::is.Date)
   14. dplyr::select_if(., match_fun)
   15. base::getExportedValue(pkg, name)
   16. base::asNamespace(ns)
   17. base::getNamespace(ns)
   18. base::loadNamespace(name)
   19. base::library.dynam(lib, package, package.lib)
  
  -- 5. Error: can find numeric columns (@test-is_time_series_data_frame.R#7)  ---
  DLL 'dplyr' not found: maybe not installed for this architecture?
  Backtrace:
    1. testthat::expect_true(is_time_series_data_frame(d))
    4. tsviz:::is_time_series_data_frame(d)
    5. tsviz:::get_columns_by_type_match(data, lubridate::is.Date)
   11. dplyr::select_if(., match_fun)
   14. base::getExportedValue(pkg, name)
   15. base::asNamespace(ns)
   16. base::getNamespace(ns)
   17. base::loadNamespace(name)
   18. base::library.dynam(lib, package, package.lib)
  
  == testthat results  ===========================================================
  [ OK: 2 | SKIPPED: 1 | WARNINGS: 0 | FAILED: 5 ]
  1. Error: can find date columns (@test-get_colums_by_type.R#7) 
  2. Error: can find numeric columns (@test-get_colums_by_type.R#18) 
  3. Error: finds a tibble (@test-get_data_frame_in_env.R#25) 
  4. Error: finds a time series dataframe (@test-get_data_frame_in_env.R#46) 
  5. Error: can find numeric columns (@test-is_time_series_data_frame.R#7) 
  
  Error: testthat unit tests failed
  Execution halted