Nothing
test_that("data has expected dimensions", {
# all songs
expect_equal(ncol(taylor_all_songs), 29L)
expect_equal(ncol(taylor_all_songs$lyrics[[1]]), 4L)
# album songs
expect_equal(ncol(taylor_album_songs), 29L)
expect_equal(ncol(taylor_album_songs$lyrics[[1]]), 4L)
# albums
expect_equal(ncol(taylor_albums), 5L)
# surprise songs
expect_equal(ncol(eras_tour_surprise), 8L)
albums <-
unique(taylor_all_songs[which((!taylor_all_songs$ep) &
!is.na(taylor_all_songs$album_name)),
"album_name"])
albums <- tolower(albums[[1]])
albums <- gsub("\\ ", "_", albums)
albums <- gsub("\\(taylor's_version\\)", "tv", albums)
expect_equal(length(albums), length(album_palettes))
expect_equal(length(albums), length(album_compare))
expect_equal(length(album_palettes), length(album_compare))
expect_equal(albums, names(album_palettes))
expect_equal(albums, names(album_compare))
expect_equal(names(album_palettes), names(album_compare))
})
test_that("column names match documentation expectation", {
data_cols <- c("album_name", "ep", "album_release", "track_number",
"track_name", "artist", "featuring", "bonus_track",
"promotional_release", "single_release", "track_release",
"danceability", "energy", "key", "loudness", "mode",
"speechiness", "acousticness", "instrumentalness", "liveness",
"valence", "tempo", "time_signature", "duration_ms",
"explicit", "key_name", "mode_name", "key_mode", "lyrics")
# all songs
expect_equal(colnames(taylor_all_songs), data_cols)
expect_equal(colnames(taylor_all_songs$lyrics[[1]]), c("line", "lyric",
"element",
"element_artist"))
# album songs
expect_equal(colnames(taylor_album_songs), data_cols)
expect_equal(colnames(taylor_album_songs$lyrics[[1]]), c("line", "lyric",
"element",
"element_artist"))
# albums
expect_equal(colnames(taylor_albums), c("album_name", "ep", "album_release",
"metacritic_score", "user_score"))
# surprise songs
expect_equal(colnames(eras_tour_surprise), c("leg", "date", "city", "night",
"dress", "instrument", "song",
"guest"))
})
test_that("non-TV versions are excluded when possible", {
albums <- unique(taylor_all_songs$album_name)
albums <- albums[!is.na(albums)]
no_tv <- gsub("\\ \\(Taylor's Version\\)", "", albums)
counts <- as.data.frame(table(no_tv))
exclude_albums <- c(
taylor_albums$album_name[which(taylor_albums$ep)],
as.character(counts$no_tv[which(counts$Freq > 1)])
)
expect_false(any(exclude_albums %in% taylor_album_songs$album_name))
})
test_that("surprise songs are the correct version", {
expect_true(all(eras_tour_surprise$song %in% taylor_all_songs$track_name))
no_tv_songs <- eras_tour_surprise$song[grep("Taylor's Version",
eras_tour_surprise$song,
invert = TRUE)]
expect_false(any(paste(no_tv_songs, "(Taylor's Version)") %in%
taylor_all_songs$track_name))
})
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