2
0
mirror of https://github.com/koreader/koreader synced 2024-11-04 12:00:25 +00:00
koreader/spec/unit/util_spec.lua
zwim 192a243b4d Add datetime.lua
Move date and time related functions from util.lua
(and the statistics plugin) to a new datetime.lua.
2022-12-06 17:36:08 +01:00

491 lines
22 KiB
Lua
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

describe("util module", function()
local DataStorage, util
setup(function()
require("commonrequire")
DataStorage = require("datastorage")
util = require("util")
end)
it("should strip punctuation marks around word", function()
assert.is_equal("hello world", util.stripPunctuation("\"hello world\""))
assert.is_equal("hello world", util.stripPunctuation("\"hello world?\""))
assert.is_equal("hello, world", util.stripPunctuation("\"hello, world?\""))
assert.is_equal("你好", util.stripPunctuation("“你好“"))
assert.is_equal("你好", util.stripPunctuation("“你好?“"))
assert.is_equal("", util.stripPunctuation(""))
assert.is_nil(util.stripPunctuation(nil))
end)
describe("gsplit()", function()
it("should split string with patterns", function()
local sentence = "Hello world, welcome to KOReader!"
local words = {}
for word in util.gsplit(sentence, "%s+", false) do
table.insert(words, word)
end
assert.are_same({"Hello", "world,", "welcome", "to", "KOReader!"}, words)
end)
it("should split command line arguments with quotation", function()
local command = "./sdcv -nj \"words\" \"a lot\" 'more or less' --data-dir=dict"
local argv = {}
for arg1 in util.gsplit(command, "[\"'].-[\"']", true) do
for arg2 in util.gsplit(arg1, "^[^\"'].-%s+", true) do
for arg3 in util.gsplit(arg2, "[\"']", false) do
local trimmed = util.trim(arg3)
if trimmed ~= "" then
table.insert(argv, trimmed)
end
end
end
end
assert.are_same({"./sdcv", "-nj", "words", "a lot", "more or less", "--data-dir=dict"}, argv)
end)
it("should split string with dashes", function()
local words = {}
for word in util.gsplit("a-b-c-d", "-", false) do
table.insert(words, word)
end
assert.are_same({"a", "b", "c", "d"}, words)
end)
it("should split string with dashes with final dash", function()
local words = {}
for word in util.gsplit("a-b-c-d-", "-", false) do
table.insert(words, word)
end
assert.are_same({"a", "b", "c", "d"}, words)
end)
end)
describe("splitToWords()", function()
it("should split line into words", function()
local words = util.splitToWords("one two,three four . five")
assert.are_same({
"one",
" ",
"two",
",",
"three",
" ",
"four",
" . ",
"five",
}, words)
end)
it("should split ancient greek words", function()
local words = util.splitToWords("Λαρισαῖος Λευκοθέα Λιγυαστάδης.")
assert.are_same({
"Λαρισαῖος",
" ",
"Λευκοθέα",
" ",
"Λιγυαστάδης",
"."
}, words)
end)
it("should split Chinese words", function()
local words = util.splitToWords("彩虹是通过太阳光的折射引起的。")
assert.are_same({
"","","","","","","","","","","","","","","",
}, words)
end)
it("should split Japanese words", function()
local words = util.splitToWords("色は匂へど散りぬるを我が世誰ぞ常ならむ")
assert.are_same({
"","","","","","","","","","",
"","","","","","","","","",
}, words)
end)
it("should split Korean words", function()
-- Technically splitting on spaces is correct but we treat Korean
-- as if it were any other CJK text.
local words = util.splitToWords("대한민국의 국기는 대한민국 국기법에 따라 태극기")
assert.are_same({
"","","","",""," ","","",""," ",
"","","",""," ","","","",""," ",
"",""," ","","","",
}, words)
end)
it("should split words of multilingual text", function()
local words = util.splitToWords("BBC纪录片")
assert.are_same({"BBC", "", "", ""}, words)
end)
end)
describe("splitToChars()", function()
it("should split text to line - unicode", function()
local text = "Pójdźże, chmurność glück schließen Štěstí neštěstí. Uñas gavilán"
local word = ""
local table_of_words = {}
local c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
word = word .. c
if util.isSplittable(c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"Pójdźże, ",
"chmurność ",
"glück ",
"schließen ",
"Štěstí ",
"neštěstí. ",
"Uñas ",
"gavilán",
}, table_of_words)
end)
it("should split text to line - CJK Chinese", function()
local text = "彩虹是通过太阳光的折射引起的。"
local word = ""
local table_of_words = {}
local c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
word = word .. c
if util.isSplittable(c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"","","","","","","","","","","","","","","",
}, table_of_words)
end)
it("should split text to line - CJK Japanese", function()
local text = "色は匂へど散りぬるを我が世誰ぞ常ならむ"
local word = ""
local table_of_words = {}
local c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
word = word .. c
if util.isSplittable(c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"","","","","","","","","","",
"","","","","","","","","",
}, table_of_words)
end)
it("should split text to line - CJK Korean", function()
local text = "대한민국의 국기는 대한민국 국기법에 따라 태극기"
local word = ""
local table_of_words = {}
local c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
word = word .. c
if util.isSplittable(c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"","","","",""," ","","",""," ",
"","","",""," ","","","",""," ",
"",""," ","","","",
}, table_of_words)
end)
it("should split text to line - mixed CJK and latin", function()
local text = "This is Russian: русский язык, Chinese: 汉语, Japanese: 日本語、 Korean: 한국어。"
local word = ""
local table_of_words = {}
local c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
word = word .. c
if util.isSplittable(c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"This ", "is ",
"Russian: ", "русский ", "язык, ",
"Chinese: ", "","",", ",
"Japanese: ", "","","","", " ",
"Korean: ", "","","","",
}, table_of_words)
end)
it("should split text to line with next_c - unicode", function()
local text = "Ce test : 1) est très simple ; 2 ) simple comme ( 2/2 ) > 50 % ? ok."
local word = ""
local table_of_words = {}
local c, next_c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
next_c = i < #table_chars and table_chars[i+1] or nil
word = word .. c
if util.isSplittable(c, next_c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"Ce ",
"test : ",
"1) ",
"est ",
"très ",
"simple ; ",
"2 ) ",
"simple ",
"comme ",
"( ",
"2/2 ) > ",
"50 % ? ",
"ok."
}, table_of_words)
end)
it("should split text to line with next_c and prev_c - unicode", function()
local text = "Ce test : 1) est « très simple » ; 2 ) simple comme ( 2/2 ) > 50 % ? ok."
local word = ""
local table_of_words = {}
local c, next_c, prev_c
local table_chars = util.splitToChars(text)
for i = 1, #table_chars do
c = table_chars[i]
next_c = i < #table_chars and table_chars[i+1] or nil
prev_c = i > 1 and table_chars[i-1] or nil
word = word .. c
if util.isSplittable(c, next_c, prev_c) then
table.insert(table_of_words, word)
word = ""
end
if i == #table_chars and word ~= "" then table.insert(table_of_words, word) end
end
assert.are_same({
"Ce ",
"test : ",
"1) ",
"est ",
"« très ",
"simple » ; ",
"2 ) ",
"simple ",
"comme ",
"( 2/2 ) > 50 % ? ",
"ok."
}, table_of_words)
end)
end)
it("should split file path and name", function()
local test = function(full, path, name)
local p, n = util.splitFilePathName(full)
assert.are_same(p, path)
assert.are_same(n, name)
end
test("/a/b/c.txt", "/a/b/", "c.txt")
test("/a/b////c.txt", "/a/b////", "c.txt")
test("/a/b/", "/a/b/", "")
test("c.txt", "", "c.txt")
test("", "", "")
test(nil, "", "")
test("a/b", "a/", "b")
test("/b", "/", "b")
assert.are_same("/a/b/", util.splitFilePathName("/a/b/c.txt"))
end)
it("should split file name and suffix", function()
local test = function(full, name, suffix)
local n, s = util.splitFileNameSuffix(full)
assert.are_same(n, name)
assert.are_same(s, suffix)
end
test("a.txt", "a", "txt")
test("/a/b.txt", "/a/b", "txt")
test("a", "a", "")
test("/a/b", "/a/b", "")
test("/a/", "/a/", "")
test("/a/.txt", "/a/", "txt")
test(nil, "", "")
test("", "", "")
assert.are_same("a", util.splitFileNameSuffix("a.txt"))
end)
describe("getSafeFileName()", function()
it("should replace unsafe characters", function()
assert.is_equal("___", util.getSafeFilename("|||"))
end)
it("should truncate any characters beyond the limit", function()
assert.is_equal("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", util.getSafeFilename("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
end)
it("should truncate extension beyond the limit", function()
assert.is_equal("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", util.getSafeFilename("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"))
end)
it("should strip HTML from the filename", function()
assert.is_equal("lalala", util.getSafeFilename("<span>lalala</span>"))
end)
end)
describe("fixUtf8()", function()
it("should replace invalid UTF-8 characters with an underscore", function()
assert.is_equal("\127 _ _\127 ", util.fixUtf8("\127 \128 \194\127 ", "_"))
end)
it("should replace invalid UTF-8 characters with multiple characters", function()
assert.is_equal("\127 __ __\127 ", util.fixUtf8("\127 \128 \194\127 ", "__"))
end)
it("should replace invalid UTF-8 characters with empty char", function()
assert.is_equal("\127 \127 ", util.fixUtf8("\127 \128 \194\127 ", ""))
end)
it("should not replace valid UTF-8 <20> character", function()
assert.is_equal("<EFBFBD>valid <20> char <20>", util.fixUtf8("<EFBFBD>valid <20> char <20>", "__"))
end)
it("should not replace valid UTF-8 characters", function()
assert.is_equal("\99 \244\129\130\190", util.fixUtf8("\99 \244\129\130\190", "_"))
end)
it("should not replace valid UTF-8 characters Polish chars", function()
assert.is_equal("Pójdźże źółć", util.fixUtf8("Pójdźże źółć", "_"))
end)
it("should not replace valid UTF-8 characters German chars", function()
assert.is_equal("glück schließen", util.fixUtf8("glück schließen", "_"))
end)
end)
describe("splitToArray()", function()
it("should split input to array", function()
assert.are_same({"100", "abc", "", "def", "ghi200"},
util.splitToArray("100\tabc\t\tdef\tghi200\t", "\t", true))
end)
it("should also split input to array", function()
assert.are_same({"", "bc", "bc", "bc", "bc"},
util.splitToArray("abcabcabcabca", "a", true))
end)
it("should split input to array without empty entities", function()
assert.are_same({"100", "abc", "def", "ghi200"},
util.splitToArray("100 abc def ghi200 ", " ", false))
end)
end)
describe("htmlToPlainTextIfHtml()", function()
it("should guess it is not HTML and let is as is", function()
local s = "if (i < 0 && j < 0) j = i&amp;"
assert.is_equal(s, util.htmlToPlainTextIfHtml(s))
end)
it("should guess it is HTML and convert it to text", function()
assert.is_equal("Making unit tests is fun & nécéssaire",
util.htmlToPlainTextIfHtml("<div> <br> Making <b>unit&nbsp;tests</b> is <i class='notreally'>fun &amp; n&#xE9;c&#233;ssaire</i><br/> </div>"))
end)
it("should guess it is double encoded HTML and convert it to text", function()
assert.is_equal("Deux parties.\nPrologue.Désespérée, elle le tue...\nPremière partie. Sur la route & dans la nuit",
util.htmlToPlainTextIfHtml("Deux parties.&lt;br&gt;Prologue.Désespérée, elle le tue...&lt;br&gt;Première partie. Sur la route &amp;amp; dans la nuit"))
end)
end)
describe("isEmptyDir()", function()
it("should return true on empty dir", function()
assert.is_true(util.isEmptyDir(DataStorage:getDataDir() .. "/history")) -- should be empty during unit tests
end)
it("should return false on non-empty dir", function()
assert.is_false(util.isEmptyDir(DataStorage:getDataDir())) -- should contain subdirectories
end)
it("should return nil on non-existent dir", function()
assert.is_nil(util.isEmptyDir("/this/is/just/some/nonsense/really/this/should/not/exist"))
end)
end)
describe("getFriendlySize()", function()
describe("should convert bytes to friendly size as string", function()
it("to 100.0 GB", function()
assert.is_equal("100.0 GB",
util.getFriendlySize(100*1000*1000*1000))
end)
it("to 1.0 GB", function()
assert.is_equal("1.0 GB",
util.getFriendlySize(1000*1000*1000+1))
end)
it("to 1.0 MB", function()
assert.is_equal("1.0 MB",
util.getFriendlySize(1000*1000+1))
end)
it("to 1.0 kB", function()
assert.is_equal("1.0 kB",
util.getFriendlySize(1000+1))
end)
it("to B", function()
assert.is_equal("10 B",
util.getFriendlySize(10))
end)
it("to 100.0 GB with minimum field width alignment", function()
assert.is_equal(" 100.0 GB",
util.getFriendlySize(100*1000*1000*1000, true))
end)
it("to 1.0 GB with minimum field width alignment", function()
assert.is_equal(" 1.0 GB",
util.getFriendlySize(1000*1000*1000+1, true))
end)
it("to 1.0 MB with minimum field width alignment", function()
assert.is_equal(" 1.0 MB",
util.getFriendlySize(1000*1000+1, true))
end)
it("to 1.0 kB with minimum field width alignment", function()
assert.is_equal(" 1.0 kB",
util.getFriendlySize(1000+1, true))
end)
it("to B with minimum field width alignment", function()
assert.is_equal(" 10 B",
util.getFriendlySize(10, true))
end)
end)
it("should return nil when input is nil or false", function()
assert.is_nil(util.getFriendlySize(nil))
assert.is_nil(util.getFriendlySize(false))
end)
it("should return nil when input is not a number", function()
assert.is_nil(util.getFriendlySize("a string"))
end)
end)
describe("urlEncode() and urlDecode", function()
it("should encode string", function()
assert.is_equal("Secret_Password123", util.urlEncode("Secret_Password123"))
assert.is_equal("Secret%20Password123", util.urlEncode("Secret Password123"))
assert.is_equal("S*cret%3DP%40%24%24word*!%23%3F", util.urlEncode("S*cret=P@$$word*!#?"))
assert.is_equal("~%5E-_%5C%25!*'()%3B%3A%40%26%3D%2B%24%2C%2F%3F%23%5B%5D",
util.urlEncode("~^-_\\%!*'();:@&=+$,/?#[]"))
end)
it("should decode string", function()
assert.is_equal("Secret_Password123", util.urlDecode("Secret_Password123"))
assert.is_equal("Secret Password123", util.urlDecode("Secret%20Password123"))
assert.is_equal("S*cret=P@$$word*!#?", util.urlDecode("S*cret%3DP%40%24%24word*!%23%3F"))
assert.is_equal("~^-_\\%!*'();:@&=+$,/?#[]",
util.urlDecode("~%5E-_%5C%25!*'()%3B%3A%40%26%3D%2B%24%2C%2F%3F%23%5B%5D"))
end)
it("should encode and back decode string", function()
assert.is_equal("Secret_Password123",
util.urlDecode(util.urlEncode("Secret_Password123")))
assert.is_equal("Secret Password123",
util.urlDecode(util.urlEncode("Secret Password123")))
assert.is_equal("S*cret=P@$$word*!#?",
util.urlDecode(util.urlEncode("S*cret=P@$$word*!#?")))
assert.is_equal("~^-_%!*'();:@&=+$,/?#[]",
util.urlDecode(util.urlEncode("~^-_%!*'();:@&=+$,/?#[]")))
end)
end)
end)