mirror of
https://github.com/kikito/beholder.lua.git
synced 2024-12-16 00:34:21 +00:00
142 lines
2.8 KiB
Lua
142 lines
2.8 KiB
Lua
local beholder = require 'beholder'
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describe("Acceptance", function()
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before(function()
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beholder.reset()
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end)
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test("Basic behavior", function()
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local counter = 0
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local id = beholder.observe("EVENT", function() counter = counter + 1 end)
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beholder.trigger("EVENT")
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beholder.trigger("EVENT")
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assert_equal(counter, 2)
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beholder.stopObserving(id)
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beholder.trigger("EVENT")
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assert_equal(counter, 2)
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end)
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test("several actions on the same event", function()
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local counter1, counter2 = 0,0
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local id1 = beholder.observe("EVENT", function() counter1 = counter1 + 1 end)
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local id2 = beholder.observe("EVENT", function() counter2 = counter2 + 1 end)
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beholder.trigger("EVENT")
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beholder.trigger("EVENT")
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assert_equal(counter1, 2)
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assert_equal(counter2, 2)
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beholder.stopObserving(id1)
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beholder.trigger("EVENT")
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assert_equal(counter1, 2)
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assert_equal(counter2, 3)
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beholder.stopObserving(id2)
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beholder.trigger("EVENT")
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assert_equal(counter1, 2)
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assert_equal(counter2, 3)
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end)
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test("composed events", function()
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local counter = 0
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local lastKey = ""
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local enterPressed = false
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local escapePressed = false
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beholder.observe("KEYPRESS", function() counter = counter + 1 end)
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beholder.observe("KEYPRESS", function(key) lastKey = key end)
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beholder.observe("KEYPRESS", "enter", function() enterPressed = true end)
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beholder.trigger("KEYPRESS", "space")
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assert_equal(counter, 1)
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assert_equal(lastKey, "space")
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assert_false(enterPressed)
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assert_false(escapePressed)
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beholder.trigger("KEYPRESS", "enter")
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assert_equal(counter, 2)
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assert_equal(lastKey, "enter")
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assert_true(enterPressed)
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assert_false(escapePressed)
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end)
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test("nil events", function()
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local counter = 0
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local id = beholder.observe(function(_, x) counter = counter + x end)
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beholder.trigger("FOO", 1)
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beholder.trigger("BAR", 2)
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assert_equal(3, counter)
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beholder.stopObserving(id)
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beholder.observe(function() counter = 10 end)
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beholder.trigger()
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assert_equal(10, counter)
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end)
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test("triggering all events", function()
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local even = 0
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local uneven = 1
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beholder.observe("EVEN", function(x) even = even + 2*x end)
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beholder.observe("UNEVEN", function(x) uneven = uneven + 2*x end)
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beholder.triggerAll(1)
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assert_equal(even, 2)
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assert_equal(uneven, 3)
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beholder.triggerAll(2)
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assert_equal(even, 6)
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assert_equal(uneven, 7)
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end)
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test("groups", function()
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local group = {}
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local up = 0
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beholder.group(group, function()
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beholder.observe("UP", function()
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up = up + 1
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end)
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end)
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beholder.trigger("UP")
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assert_equal(1, up)
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beholder.stopObserving(group)
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beholder.trigger("UP")
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assert_equal(1, up)
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end)
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end)
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