Running 'testthat.R' [10s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(kgrams)
  > 
  > test_check("kgrams")
  [ FAIL 8 | WARN 0 | SKIP 0 | PASS 402 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error ('test-preprocess.R:4:9'): preprocess returns a character vector ──────
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(res, character()) at test-preprocess.R:4:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-probability.R:6:9'): probability returns a double of the same length of the input ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(probability(x, m), double(), length(x)) at test-probability.R:6:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-query.R:4:9'): query.kgram_freqs returns an integer of same length of input ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(query(f, x), integer(), length(x)) at test-query.R:4:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-sample_sentences.R:6:9'): sample_sentences() returns a character of the correct length ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(res, character(), len) at test-sample_sentences.R:6:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-smoothers.R:2:9'): smoothers() returns a character vector ──────
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(smoothers(), character()) at test-smoothers.R:2:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-tokenize_sentences.R:5:9'): tknz_sent returns a character vector ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(res, character()) at test-tokenize_sentences.R:5:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-validate_smoother.R:4:17'): list_parameters has the required structure ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(l, list()) at test-validate_smoother.R:4:17
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  ── Error ('test-word_context.R:3:9'): %|% returns a two element list with correct S3 class ──
  <packageNotFoundError/error/condition>
  Error in `loadNamespace(x)`: there is no package called 'vctrs'
  Backtrace:
      ▆
   1. ├─testthat::expect_vector(unclass(obj), list(), 2) at test-word_context.R:3:9
   2. │ └─base::tryCatch(...)
   3. │   └─base (local) tryCatchList(expr, classes, parentenv, handlers)
   4. │     └─base (local) tryCatchOne(expr, names, parentenv, handlers[[1L]])
   5. │       └─base (local) doTryCatch(return(expr), name, parentenv, handler)
   6. └─base::loadNamespace(x)
   7.   └─base::withRestarts(stop(cond), retry_loadNamespace = function() NULL)
   8.     └─base (local) withOneRestart(expr, restarts[[1L]])
   9.       └─base (local) doWithOneRestart(return(expr), restart)
  
  [ FAIL 8 | WARN 0 | SKIP 0 | PASS 402 ]
  Error: Test failures
  Execution halted