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koreader/spec/unit/dbg_spec.lua
2017-10-12 19:39:52 +02:00

87 lines
2.3 KiB
Lua

describe("Dbg module", function()
local dbg, dbg_on
setup(function()
package.path = "?.lua;common/?.lua;rocks/share/lua/5.1/?.lua;frontend/?.lua;" .. package.path
dbg = require("dbg")
dbg_on = dbg.is_on
end)
after_each(function()
if dbg_on then
dbg:turnOn()
else
dbg:turnOff()
end
end)
it("setup mt.__call and guard after tunrnOn is called", function()
dbg:turnOff()
local old_call = getmetatable(dbg).__call
local old_guard = dbg.guard
dbg:turnOn()
assert.is_not.same(old_call, getmetatable(dbg).__call)
assert.is_not.same(old_guard, dbg.guard)
end)
it("should call pre_gard callback", function()
local called = false
local foo = {}
function foo:bar() end
assert.is.falsy(called)
dbg:turnOff()
assert.is.falsy(called)
dbg:turnOn()
dbg:guard(foo, 'bar', function() called = true end)
foo:bar()
assert.is.truthy(called)
end)
it("should call post_gard callback", function()
local called = false
local foo = {}
function foo:bar() end
assert.is.falsy(called)
dbg:turnOff()
assert.is.falsy(called)
dbg:turnOn()
dbg:guard(foo, 'bar', nil, function() called = true end)
foo:bar()
assert.is.truthy(called)
end)
it("should return all values returned by the guarded function", function()
local called = false
local re
local foo = {}
function foo:bar() return 1 end
assert.is.falsy(called)
dbg:turnOn()
dbg:guard(foo, 'bar', function() called = true end)
re = {foo:bar()}
assert.is.truthy(called)
assert.is.same(re, {1})
called = false
function foo:bar() return 1, 2, 3 end
dbg:guard(foo, 'bar', function() called = true end)
assert.is.falsy(called)
re = {foo:bar()}
assert.is.same(re, {1, 2, 3})
end)
it("should set verbose", function()
assert.is_nil(dbg.is_verbose)
dbg:setVerbose(true)
assert.is_true(dbg.is_verbose)
dbg:setVerbose(false)
assert.is_false(dbg.is_verbose)
dbg:setVerbose()
assert.is_nil(dbg.is_verbose)
end)
end)