mirror of
https://github.com/kikito/middleclass.git
synced 2024-10-05 23:24:17 +00:00
135 lines
3.1 KiB
Lua
135 lines
3.1 KiB
Lua
require 'middleclass'
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context('A Class', function()
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context('Default stuff', function()
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local AClass
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before(function()
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AClass = class('AClass')
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end)
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context('name', function()
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test('is correctly set', function()
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assert_equal(AClass.name, 'AClass')
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end)
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end)
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context('tostring', function()
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test('returns "class *name*"', function()
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assert_equal(tostring(AClass), 'class AClass')
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end)
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end)
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context('()', function()
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test('returns an object, like Class:new()', function()
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local obj = AClass()
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assert_equal(obj.class, AClass)
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end)
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end)
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context('include', function()
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test('throws an error when used without the :', function()
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assert_error(function() AClass.include() end)
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end)
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test('throws an error when passed a non-table:', function()
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assert_error(function() AClass:include(1) end)
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end)
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end)
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context('subclass', function()
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test('throws an error when used without the :', function()
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assert_error(function() AClass.subclass() end)
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end)
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test('throws an error when no name is given', function()
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assert_error( function() AClass:subclass() end)
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end)
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context('when given a subclass name', function()
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local SubClass
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before(function()
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function AClass.static:subclassed(other) self.static.child = other end
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SubClass = AClass:subclass('SubClass')
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end)
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test('it returns a class with the correct name', function()
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assert_equal(SubClass.name, 'SubClass')
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end)
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test('it returns a class with the correct superclass', function()
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assert_equal(SubClass.super, AClass)
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end)
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test('it invokes the subclassed hook method', function()
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assert_equal(SubClass, AClass.child)
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end)
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end)
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end)
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end)
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context('attributes', function()
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local A, B
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before(function()
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A = class('A')
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A.static.foo = 'foo'
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B = class('B', A)
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end)
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test('are available after being initialized', function()
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assert_equal(A.foo, 'foo')
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end)
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test('are available for subclasses', function()
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assert_equal(B.foo, 'foo')
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end)
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test('are overridable by subclasses, without affecting the superclasses', function()
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B.static.foo = 'chunky bacon'
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assert_equal(B.foo, 'chunky bacon')
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assert_equal(A.foo, 'foo')
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end)
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end)
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context('methods', function()
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local A, B
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before(function()
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A = class('A')
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function A.static:foo() return 'foo' end
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B = class('B', A)
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end)
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test('are available after being initialized', function()
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assert_equal(A:foo(), 'foo')
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end)
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test('are available for subclasses', function()
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assert_equal(B:foo(), 'foo')
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end)
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test('are overridable by subclasses, without affecting the superclasses', function()
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function B.static:foo() return 'chunky bacon' end
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assert_equal(B:foo(), 'chunky bacon')
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assert_equal(A:foo(), 'foo')
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end)
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end)
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end)
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