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koreader/spec/unit/random_spec.lua
2016-08-10 10:42:51 -07:00

34 lines
1.0 KiB
Lua

describe("random package tests", function()
local random
local function is_magic_char(c)
return c == "8" or c == "9" or c == "A" or c == "B"
end
setup(function()
random = require("frontend/random")
end)
it("should generate uuid without dash", function()
for i = 1, 10000 do
local uuid = random.uuid()
assert.Equals(uuid:len(), 32)
assert.Equals(uuid:sub(13, 13), "4")
assert.is_true(is_magic_char(uuid:sub(17, 17)))
end
end)
it("should generate uuid with dash", function()
for i = 1, 10000 do
local uuid = random.uuid(true)
assert.Equals(uuid:len(), 36)
assert.Equals(uuid:sub(9, 9), "-")
assert.Equals(uuid:sub(14, 14), "-")
assert.Equals(uuid:sub(19, 19), "-")
assert.Equals(uuid:sub(24, 24), "-")
assert.Equals(uuid:sub(15, 15), "4")
assert.is_true(is_magic_char(uuid:sub(20, 20)))
end
end)
end)