tests/testthat/test_3_textSimilarityAndtextDiff.R

In text: Analyses of Text using Transformers Models from HuggingFace, Natural Language Processing and Machine Learning

library(testthat)
library(text)
library(tibble)

context("Semantic Similiarty Functions and textSimilarityTest")

test_that("textSimilarity produces similarity scores", {
  skip_on_cran()

  similarity_scores1 <- text::textSimilarity(
    word_embeddings_4$texts$harmonytexts,
    word_embeddings_4$texts$satisfactiontexts
  )
  expect_that(similarity_scores1, is_a("numeric"))
  expect_equal(similarity_scores1[1], 0.8488173, tolerance = 0.0001)
})

test_that("textSimilarity produces similarity scores", {
  skip_on_cran()

  # Example norm
  harmonynorm <- word_embeddings_4$texts$harmonywords[1, ]

  similarity_norm_scores <- text::textSimilarityNorm(
    word_embeddings_4$texts$harmonytext[1:2, ],
    harmonynorm
  )

  expect_that(similarity_norm_scores, is_a("numeric"))
  expect_equal(similarity_norm_scores[1], 0.4891852, tolerance = 0.001)
})

test_that("textSimilarityMatrix produces euclidean similarity scores", {
  skip_on_cran()

  similarity_scores2 <- text::textSimilarityMatrix(
    word_embeddings_4$texts$harmonytexts[1:3, ],
    method = "euclidean"
  )
  expect_equal(similarity_scores2[1, 2], 0.3342155, tolerance = 0.0001)
})


test_that("textDistance produces distance scores", {
  skip_on_cran()

  distance_scores <- text::textDistance(
    word_embeddings_4$texts$harmonytexts,
    word_embeddings_4$texts$satisfactiontexts
  )
  expect_that(distance_scores, is_a("numeric"))
  expect_equal(distance_scores[1], 0.6904026, tolerance = 0.0001)
})

test_that("textDistanceNorm produces distance scores", {
  skip_on_cran()

  # Example norm
  harmonynorm <- word_embeddings_4$texts$harmonywords[1, ]

  distance_norm_scores <- text::textDistanceNorm(
    word_embeddings_4$texts$harmonytext[1:2, ],
    harmonynorm,
    method = "euclidean"
  )

  expect_that(distance_norm_scores, is_a("numeric"))
  expect_equal(distance_norm_scores[1], 1.172088, tolerance = 0.001)
})

test_that("textDistanceMatrix produces euclidean distance scores", {
  skip_on_cran()

  distance_scores2 <- text::textDistanceMatrix(
    word_embeddings_4$texts$harmonytexts[1:3, ],
    method = "euclidean"
  )
  expect_equal(distance_scores2[1, 2], 0.7058523, tolerance = 0.0001)
})



#
#
#test_that("textSimilarityTest paired results in list with numeric output", {
#  skip_on_cran()
#
#  test_diff_results1 <- text::textSimilarityTest(word_embeddings_4$texts$harmonytexts,
#    word_embeddings_4$texts$satisfactiontexts,
#    method = "paired", Npermutations = 100, N_cluster_nodes = 1
#  )
#
#  expect_that(test_diff_results1, is_a("list"))
#  expect_is(test_diff_results1[[1]][[1]], "numeric")
#  expect_equal(test_diff_results1[[1]][[1]], 0.7825082, tolerance = 0.001)
#})
#
#test_that("textSimilarityTest paired results in list with numeric output", {
#  skip_on_cran()
#
#  expect_error(text::textSimilarityTest(word_embeddings_4$texts$harmonytexts,
#    word_embeddings_4$texts$satisfactiontexts[1:39, ],
#    method = "paired", Npermutations = 100, N_cluster_nodes = 1
#  ))
#})

#test_that("textSimilarityTest unpaired results in list with numeric output", {
#  skip_on_cran()
#
#  test_diff_results2 <- text::textSimilarityTest(word_embeddings_4$texts$harmonytexts,
#    word_embeddings_4$texts$satisfactiontexts,
#    method = "unpaired", Npermutations = 100, N_cluster_nodes = 1
#  )
#
#  expect_that(test_diff_results2, is_a("list"))
#  # expect_equal(test_diff_results2[[1]][[1]], 0.9950558, tolerance = 0.00001)
#})


#test_that("textSimilarityTest unpaired results in list with numeric output", {
#  skip_on_cran()
#
#  test_diff_results1 <- text::textSimilarityTest(word_embeddings_4$texts$harmonytexts,
#    word_embeddings_4$texts$satisfactiontexts,
#    method = "unpaired", Npermutations = 100, N_cluster_nodes = 1,
#    output.permutations = FALSE
#  )
#
#  expect_that(test_diff_results1, is_a("list"))
#  expect_is(test_diff_results1$p.value[[1]], "numeric")
#  # expect_equal(test_diff_results1$p.value[[1]], 0.00990099, tolerance = 0.00001)
#  expect_equal(test_diff_results1$p.value[[1]], 1, tolerance = 0.00001)
#})

#test_that("textSimilarityTest unpaired euclidean results in list with numeric output", {
#  skip_on_cran()
#
#  test_diff_results2 <- text::textSimilarityTest(word_embeddings_4$texts$harmonytexts,
#    word_embeddings_4$texts$satisfactiontexts,
#    method = "unpaired", Npermutations = 100, N_cluster_nodes = 1,
#    similarity_method = "euclidean"
#  )
#
#  expect_that(test_diff_results2, is_a("list"))
#  expect_is(test_diff_results2$p.value[[1]], "numeric")
#  # expect_equal(test_diff_results2$p.value[[1]], 0.04)
#  expect_equal(test_diff_results2$p.value[[1]], 0.98)
#})