moonscript/spec/class_spec.moon
2013-06-20 00:13:32 -07:00

138 lines
2.8 KiB
Plaintext

describe "class", ->
it "should make a class with constructor", ->
class Thing
new: =>
@color = "blue"
instance = Thing!
assert.same instance, { color: "blue" }
it "should have instance methods", ->
class Thing
get_color: => @color
new: =>
@color = "blue"
instance = Thing!
assert.same instance\get_color!, "blue"
it "should have class property", ->
class Thing
color: "blue"
get_color: => @color
instance = Thing!
assert.same instance\get_color!, "blue"
assert.same Thing.color, "blue"
it "should inherit another class", ->
class Base
get_property: => @[@property]
new: (@property) =>
class Thing extends Base
color: "green"
instance = Thing "color"
assert.same instance\get_property!, "green"
it "should call super constructor", ->
class Base
new: (@property) =>
class Thing extends Base
new: (@name) =>
super "name"
instance = Thing "the_thing"
assert.same instance.property, "name"
assert.same instance.name, "the_thing"
it "should call super method", ->
class Base
_count: 111
counter: => @_count
class Thing extends Base
counter: => "%08d"\format super!
instance = Thing!
assert.same instance\counter!, "00000111"
it "should get super class", ->
class Base
class Thing extends Base
get_super: => super
instance = Thing!
assert.is_true instance\get_super! == Base
it "should get a bound method from super", ->
class Base
count: 1
get_count: => @count
class Thing extends Base
get_count: => "this is wrong"
get_method: => super\get_count
instance = Thing!
assert.same instance\get_method!!, 1
it "should have class properties", ->
class Base
class Thing extends Base
instance = Thing!
assert.same Base.__name, "Base"
assert.same Thing.__name, "Thing"
assert.is_true Thing.__parent == Base
assert.is_true instance.__class == Thing
it "should have name when assigned", ->
Thing = class
assert.same Thing.__name, "Thing"
it "should not expose class properties on instance", ->
class Thing
@height: 10
Thing.color = "blue"
instance = Thing!
assert.same instance.color, nil
assert.same instance.height, nil
it "should expose new things added to __base", ->
class Thing
instance = Thing!
Thing.__base.color = "green"
assert.same instance.color, "green"
it "should call with correct receiver", ->
local instance
class Thing
is_class: => assert.is_true @ == Thing
is_instance: => assert.is_true @ == instance
go: =>
@@is_class!
@is_instance!
instance = Thing!
instance\go!