mirror of
https://github.com/awesomeWM/awesome
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61 lines
1.8 KiB
Lua
61 lines
1.8 KiB
Lua
---------------------------------------------------------------------------
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-- @author Uli Schlachter
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-- @copyright 2015 Uli Schlachter
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---------------------------------------------------------------------------
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local cache = require("gears.cache")
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describe("gears.cache", function()
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-- Make sure no cache is cleared during the tests
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before_each(function()
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collectgarbage("stop")
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end)
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after_each(function()
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collectgarbage("restart")
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end)
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describe("Zero arguments", function()
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it("Creation cb is called", function()
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local called = false
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local c = cache(function()
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called = true
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end)
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local res = c:get()
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assert.is_nil(res)
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assert.is_true(called)
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end)
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end)
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describe("Two arguments", function()
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it("Cache works", function()
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local num_calls = 0
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local c = cache(function(a, b)
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num_calls = num_calls + 1
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return a + b
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end)
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local res1 = c:get(1, 2)
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local res2 = c:get(1, 3)
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local res3 = c:get(1, 2)
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assert.is.equal(res1, 3)
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assert.is.equal(res2, 4)
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assert.is.equal(res3, 3)
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assert.is.equal(num_calls, 2)
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end)
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it("Cache invalidation works", function()
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local num_calls = 0
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local c = cache(function(a, b)
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num_calls = num_calls + 1
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return a + b
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end)
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local res1 = c:get(1, 2)
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collectgarbage("collect")
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local res2 = c:get(1, 2)
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assert.is.equal(res1, 3)
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assert.is.equal(res2, 3)
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assert.is.equal(num_calls, 2)
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end)
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end)
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end)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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