mirror of
https://github.com/kikito/beholder.lua.git
synced 2024-12-16 00:34:21 +00:00
116 lines
3.3 KiB
Lua
116 lines
3.3 KiB
Lua
local beholder = require 'beholder'
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describe("Unit", function()
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before(function()
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beholder:reset()
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end)
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describe(":observe", function()
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it("notices simple events so that trigger works", function()
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local counter = 0
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beholder:observe("EVENT", function() counter = counter + 1 end)
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beholder:trigger("EVENT")
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assert_equal(counter, 1)
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end)
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it("remembers if more than one action is associated to the same event", function()
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local counter1, counter2 = 0,0
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beholder:observe("EVENT", function() counter1 = counter1 + 1 end)
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beholder:observe("EVENT", function() counter2 = counter2 + 1 end)
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beholder:trigger("EVENT")
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assert_equal(counter1, 1)
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assert_equal(counter2, 1)
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end)
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it("allows observing composed events", function()
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local counter = 0
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beholder:observe("KEYPRESS", "start", function() counter = counter + 1 end)
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beholder:trigger("KEYPRESS", "start")
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assert_equal(counter, 1)
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end)
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end)
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describe(":stopObserving", function()
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it("stops noticing events so trigger doesn't work any more", 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:stopObserving(id)
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beholder:trigger("EVENT")
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assert_equal(counter, 1)
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end)
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it("stops observing one id without disturbing the others", 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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beholder:observe("EVENT", function() counter2 = counter2 + 1 end)
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beholder:trigger("EVENT")
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assert_equal(counter1, 1)
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assert_equal(counter2, 1)
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beholder:stopObserving(id1)
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beholder:trigger("EVENT")
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assert_equal(counter1, 1)
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assert_equal(counter2, 2)
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end)
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it("passes parameters to the actions", function()
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local counter = 0
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beholder:observe("EVENT", function(x) counter = counter + x end)
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beholder:trigger("EVENT", 1)
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assert_equal(counter, 1)
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beholder:trigger("EVENT", 5)
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assert_equal(counter, 6)
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end)
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it("does not raise an error when stopping observing an inexisting event", function()
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assert_not_error(function() beholder:stopObserving({}) end)
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end)
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it("returns false when no action was found for an id", function()
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assert_equal(false, beholder:stopObserving({}))
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end)
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it("returns true when an action was found and removed", function()
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local id = beholder:observe("X", function() end)
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assert_true(beholder:stopObserving(id))
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end)
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end)
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describe(":trigger", function()
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it("does not error on random stuff", function()
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assert_not_error(function() beholder:trigger("FOO") end)
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end)
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it("returns false on events with no actions", function()
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assert_equal(false, beholder:trigger("FOO"))
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end)
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it("returns false if there was a node with no actions", function()
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beholder:observe("ONE","TWO", function() end)
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assert_equal(false, beholder:trigger("ONE"))
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end)
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it("returns the number of actions executed", function()
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beholder:observe("X", function() end)
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beholder:observe("X", function() end)
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assert_equal(2, beholder:trigger("X"))
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end)
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end)
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describe(":reset", function()
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end)
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end)
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