Running ‘testthat.R’
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library(testthat)
  > library(rapidraker)
  > 
  > test_check("rapidraker")
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (test-rapidrake.R:4:3): rapidrake works for non-atomic, non-empty char vectors ──
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:9:3): rapidrake returns a score when there is only one word in txt ──
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:14:3): rapidrake works for txt without alpha chars ──
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:19:3): rapidrake works when all txt is removed based on POS tags ──
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:24:3): rapidrake can hanlde non-array params ────────
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:29:3): rapidrake removes stop words ─────────────────
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:34:3): pos stopping works as expected ───────────────
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:41:3): word_min_char filtering works as expected ────
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  ── Error (test-rapidrake.R:46:3): phrase_delims works as expected ──────────────
  Error: java.lang.UnsupportedClassVersionError: opennlp/tools/stemmer/snowball/SnowballStemmer$ALGORITHM : Unsupported major.minor version 52.0
  
  [ FAIL 9 | WARN 0 | SKIP 0 | PASS 0 ]
  Error: Test failures
  Execution halted