mirror of
https://github.com/kikito/middleclass.git
synced 2024-11-08 09:34:22 +00:00
139 lines
3.2 KiB
Lua
139 lines
3.2 KiB
Lua
local class = require 'middleclass'
|
|
|
|
context('A Class', function()
|
|
|
|
context('Default stuff', function()
|
|
|
|
local AClass
|
|
|
|
before(function()
|
|
AClass = class('AClass')
|
|
end)
|
|
|
|
context('name', function()
|
|
test('is correctly set', function()
|
|
assert_equal(AClass.name, 'AClass')
|
|
end)
|
|
end)
|
|
|
|
context('tostring', function()
|
|
test('returns "class *name*"', function()
|
|
assert_equal(tostring(AClass), 'class AClass')
|
|
end)
|
|
end)
|
|
|
|
context('()', function()
|
|
test('returns an object, like Class:new()', function()
|
|
local obj = AClass()
|
|
assert_equal(obj.class, AClass)
|
|
end)
|
|
end)
|
|
|
|
context('include', function()
|
|
test('throws an error when used without the :', function()
|
|
assert_error(function() AClass.include() end)
|
|
end)
|
|
test('throws an error when passed a non-table:', function()
|
|
assert_error(function() AClass:include(1) end)
|
|
end)
|
|
end)
|
|
|
|
context('subclass', function()
|
|
|
|
test('throws an error when used without the :', function()
|
|
assert_error(function() AClass.subclass() end)
|
|
end)
|
|
|
|
test('throws an error when no name is given', function()
|
|
assert_error( function() AClass:subclass() end)
|
|
end)
|
|
|
|
context('when given a subclass name', function()
|
|
|
|
local SubClass
|
|
|
|
before(function()
|
|
function AClass.static:subclassed(other) self.static.child = other end
|
|
SubClass = AClass:subclass('SubClass')
|
|
end)
|
|
|
|
test('it returns a class with the correct name', function()
|
|
assert_equal(SubClass.name, 'SubClass')
|
|
end)
|
|
|
|
test('it returns a class with the correct superclass', function()
|
|
assert_equal(SubClass.super, AClass)
|
|
end)
|
|
|
|
test('it invokes the subclassed hook method', function()
|
|
assert_equal(SubClass, AClass.child)
|
|
end)
|
|
|
|
test('it includes the subclass in the list of subclasses', function()
|
|
assert_true(AClass.subclasses[SubClass])
|
|
end)
|
|
|
|
end)
|
|
|
|
end)
|
|
|
|
end)
|
|
|
|
|
|
|
|
context('attributes', function()
|
|
|
|
local A, B
|
|
|
|
before(function()
|
|
A = class('A')
|
|
A.static.foo = 'foo'
|
|
|
|
B = class('B', A)
|
|
end)
|
|
|
|
test('are available after being initialized', function()
|
|
assert_equal(A.foo, 'foo')
|
|
end)
|
|
|
|
test('are available for subclasses', function()
|
|
assert_equal(B.foo, 'foo')
|
|
end)
|
|
|
|
test('are overridable by subclasses, without affecting the superclasses', function()
|
|
B.static.foo = 'chunky bacon'
|
|
assert_equal(B.foo, 'chunky bacon')
|
|
assert_equal(A.foo, 'foo')
|
|
end)
|
|
|
|
end)
|
|
|
|
context('methods', function()
|
|
|
|
local A, B
|
|
|
|
before(function()
|
|
A = class('A')
|
|
function A.static:foo() return 'foo' end
|
|
|
|
B = class('B', A)
|
|
end)
|
|
|
|
test('are available after being initialized', function()
|
|
assert_equal(A:foo(), 'foo')
|
|
end)
|
|
|
|
test('are available for subclasses', function()
|
|
assert_equal(B:foo(), 'foo')
|
|
end)
|
|
|
|
test('are overridable by subclasses, without affecting the superclasses', function()
|
|
function B.static:foo() return 'chunky bacon' end
|
|
assert_equal(B:foo(), 'chunky bacon')
|
|
assert_equal(A:foo(), 'foo')
|
|
end)
|
|
|
|
end)
|
|
|
|
end)
|