jquery-ui/tests/unit/widget/widget_core.js

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/*
* widget unit tests
*/
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(function( $ ) {
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module( "widget factory", {
teardown: function() {
delete $.ui.testWidget;
}
});
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test( "widget creation", function() {
var myPrototype = {
_create: function() {},
creationTest: function() {}
};
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$.widget( "ui.testWidget", myPrototype );
ok( $.isFunction( $.ui.testWidget ), "constructor was created" );
equals( "object", typeof $.ui.testWidget.prototype, "prototype was created" );
equals( $.ui.testWidget.prototype._create, myPrototype._create,
"create function is copied over" );
equals( $.ui.testWidget.prototype.creationTest, myPrototype.creationTest,
"random function is copied over" );
equals( $.ui.testWidget.prototype.option, $.Widget.prototype.option,
"option method copied over from base widget" );
});
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test( "jQuery usage", function() {
expect( 11 );
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var shouldCreate = false;
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$.widget( "ui.testWidget", {
getterSetterVal: 5,
_create: function() {
ok( shouldCreate, "create called on instantiation" );
},
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methodWithParams: function( param1, param2 ) {
ok( true, "method called via .pluginName(methodName)" );
equals( param1, "value1",
"parameter passed via .pluginName(methodName, param)" );
equals( param2, "value2",
"multiple parameters passed via .pluginName(methodName, param, param)" );
return this;
},
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getterSetterMethod: function( val ) {
if ( val ) {
this.getterSetterVal = val;
} else {
return this.getterSetterVal;
}
}
});
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shouldCreate = true;
var elem = $( "<div></div>" )
.bind( "testwidgetcreate", function() {
ok( shouldCreate, "create event triggered on instantiation" );
})
.testWidget();
shouldCreate = false;
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var instance = elem.data( "testWidget" );
equals( typeof instance, "object", "instance stored in .data(pluginName)" );
equals( instance.element[0], elem[0], "element stored on widget" );
var ret = elem.testWidget( "methodWithParams", "value1", "value2" );
equals( ret, elem, "jQuery object returned from method call" );
ret = elem.testWidget( "getterSetterMethod" );
equals( ret, 5, "getter/setter can act as getter" );
ret = elem.testWidget( "getterSetterMethod", 30 );
equals( ret, elem, "getter/setter method can be chainable" );
equals( instance.getterSetterVal, 30, "getter/setter can act as setter" );
});
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test( "direct usage", function() {
expect( 9 );
var shouldCreate = false;
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$.widget( "ui.testWidget", {
getterSetterVal: 5,
_create: function() {
ok( shouldCreate, "create called on instantiation" );
},
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methodWithParams: function( param1, param2 ) {
ok( true, "method called dirctly" );
equals( param1, "value1", "parameter passed via direct call" );
equals( param2, "value2", "multiple parameters passed via direct call" );
return this;
},
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getterSetterMethod: function( val ) {
if ( val ) {
this.getterSetterVal = val;
} else {
return this.getterSetterVal;
}
}
});
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var elem = $( "<div></div>" )[ 0 ];
shouldCreate = true;
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var instance = new $.ui.testWidget( {}, elem );
shouldCreate = false;
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equals( $( elem ).data( "testWidget" ), instance,
"instance stored in .data(pluginName)" );
equals( instance.element[ 0 ], elem, "element stored on widget" );
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var ret = instance.methodWithParams( "value1", "value2" );
equals( ret, instance, "plugin returned from method call" );
ret = instance.getterSetterMethod();
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equals( ret, 5, "getter/setter can act as getter" );
instance.getterSetterMethod( 30 );
equals( instance.getterSetterVal, 30, "getter/setter can act as setter" );
});
test( "error handling", function() {
expect( 2 );
var error = $.error;
$.widget( "ui.testWidget", {} );
$.error = function( msg ) {
equal( msg, "cannot call methods on testWidget prior to initialization; " +
"attempted to call method 'missing'", "method call before init" );
};
$( "<div>" ).testWidget( "missing" );
$.error = function( msg ) {
equal( msg, "no such method 'missing' for testWidget widget instance",
"invalid method call on widget instance" );
};
$( "<div>" ).testWidget().testWidget( "missing" );
$.error = error;
});
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test("merge multiple option arguments", function() {
expect( 1 );
$.widget( "ui.testWidget", {
_create: function() {
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same( this.options, {
disabled: false,
option1: "value1",
option2: "value2",
option3: "value3",
option4: {
option4a: "valuea",
option4b: "valueb"
}
});
}
});
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$( "<div></div>" ).testWidget({
option1: "valuex",
option2: "valuex",
option3: "value3",
option4: {
option4a: "valuex"
}
}, {
option1: "value1",
option2: "value2",
option4: {
option4b: "valueb"
}
}, {
option4: {
option4a: "valuea"
}
});
});
test( "_getCreateOptions()", function() {
expect( 1 );
$.widget( "ui.testWidget", {
options: {
option1: "valuex",
option2: "valuex",
option3: "value3",
},
_getCreateOptions: function() {
return {
option1: "override1",
option2: "overideX",
};
},
_create: function() {
same( this.options, {
disabled: false,
option1: "override1",
option2: "value2",
option3: "value3"
});
}
});
$( "<div>" ).testWidget({ option2: "value2" });
});
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test( "re-init", function() {
var div = $( "<div></div>" ),
actions = [];
$.widget( "ui.testWidget", {
_create: function() {
actions.push( "create" );
},
_init: function() {
actions.push( "init" );
},
_setOption: function( key, value ) {
actions.push( "option" + key );
}
});
actions = [];
div.testWidget({ foo: "bar" });
same( actions, [ "create", "init" ], "correct methods called on init" );
actions = [];
div.testWidget();
same( actions, [ "init" ], "correct methods call on re-init" );
actions = [];
div.testWidget({ foo: "bar" });
same( actions, [ "optionfoo", "init" ], "correct methods called on re-init with options" );
});
test( "._super()", function() {
expect( 6 );
var instance;
$.widget( "ui.testWidget", {
method: function( a, b ) {
same( this, instance, "this is correct in super widget" );
same( a, 5, "parameter passed to super widget" );
same( b, 10, "second parameter passed to super widget" );
return a + b;
}
});
$.widget( "ui.testWidget2", $.ui.testWidget, {
method: function( a ) {
same( this, instance, "this is correct in widget" );
same( a, 5, "parameter passed to widget" );
var ret = this._super( "method", a, a*2 );
same( ret, 15, "super returned value" );
}
});
instance = $( "<div>" ).testWidget2().data( "testWidget2" );
instance.method( 5 );
delete $.ui.testWidget2;
});
test( "._superApply()", function() {
expect( 7 );
var instance;
$.widget( "ui.testWidget", {
method: function( a, b ) {
same( this, instance, "this is correct in super widget" );
same( a, 5, "parameter passed to super widget" );
same( b, 10, "second parameter passed to super widget" );
return a + b;
}
});
$.widget( "ui.testWidget2", $.ui.testWidget, {
method: function( a, b ) {
same( this, instance, "this is correct in widget" );
same( a, 5, "parameter passed to widget" );
same( b, 10, "second parameter passed to widget" );
var ret = this._superApply( "method", arguments );
same( ret, 15, "super returned value" );
}
});
instance = $( "<div>" ).testWidget2().data( "testWidget2" );
instance.method( 5, 10 );
delete $.ui.testWidget2;
});
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test( ".option() - getter", function() {
$.widget( "ui.testWidget", {
_create: function() {}
});
var div = $( "<div></div>" ).testWidget({
foo: "bar",
baz: 5,
qux: [ "quux", "quuux" ]
});
same( div.testWidget( "option", "foo"), "bar", "single option - string" );
same( div.testWidget( "option", "baz"), 5, "single option - number" );
same( div.testWidget( "option", "qux"), [ "quux", "quuux" ],
"single option - array" );
var options = div.testWidget( "option" );
same( options, {
disabled: false,
foo: "bar",
baz: 5,
qux: [ "quux", "quuux" ]
}, "full options hash returned" );
options.foo = "notbar";
same( div.testWidget( "option", "foo"), "bar",
"modifying returned options hash does not modify plugin instance" );
});
test( ".option() - delegate to ._setOptions()", function() {
var calls = [];
$.widget( "ui.testWidget", {
_create: function() {},
_setOptions: function( options ) {
calls.push( options );
}
});
var div = $( "<div></div>" ).testWidget();
calls = [];
div.testWidget( "option", "foo", "bar" );
same( calls, [{ foo: "bar" }], "_setOptions called for single option" );
calls = [];
div.testWidget( "option", {
bar: "qux",
quux: "quuux"
});
same( calls, [{ bar: "qux", quux: "quuux" }],
"_setOptions called with multiple options" );
});
test( ".option() - delegate to ._setOption()", function() {
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var calls = [];
$.widget( "ui.testWidget", {
_create: function() {},
_setOption: function( key, val ) {
calls.push({
key: key,
val: val
});
}
});
var div = $( "<div></div>" ).testWidget();
calls = [];
div.testWidget( "option", "foo", "bar" );
same( calls, [{ key: "foo", val: "bar" }],
"_setOption called for single option" );
calls = [];
div.testWidget( "option", {
bar: "qux",
quux: "quuux"
});
same( calls, [
{ key: "bar", val: "qux" },
{ key: "quux", val: "quuux" }
], "_setOption called with multiple options" );
});
test( ".enable()", function() {
expect( 2 );
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$.widget( "ui.testWidget", {
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_create: function() {},
_setOption: function( key, val ) {
same( key, "disabled", "_setOption called with disabled option" );
same( val, false, "disabled set to false" );
}
});
$( "<div></div>" ).testWidget().testWidget( "enable" );
});
test( ".disable()", function() {
expect( 2 );
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$.widget( "ui.testWidget", {
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_create: function() {},
_setOption: function( key, val ) {
same( key, "disabled", "_setOption called with disabled option" );
same( val, true, "disabled set to true" );
}
});
$( "<div></div>" ).testWidget().testWidget( "disable" );
});
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test( ".widget() - base", function() {
$.widget( "ui.testWidget", {
_create: function() {}
});
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var div = $( "<div></div>" ).testWidget();
same( div[0], div.testWidget( "widget" )[0]);
});
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test( ".widget() - overriden", function() {
var wrapper = $( "<div></div>" );
$.widget( "ui.testWidget", {
_create: function() {},
widget: function() {
return wrapper;
}
});
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same( wrapper[0], $( "<div></div>" ).testWidget().testWidget( "widget" )[0] );
});
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test( "._trigger() - no event, no ui", function() {
expect( 7 );
var handlers = [];
$.widget( "ui.testWidget", {
_create: function() {}
});
$( "#widget" ).testWidget({
foo: function( event, ui ) {
same( event.type, "testwidgetfoo", "correct event type in callback" );
same( ui, {}, "empty ui hash passed" );
handlers.push( "callback" );
}
});
$( document ).add( "#widget-wrapper" ).add( "#widget" )
.bind( "testwidgetfoo", function( event, ui ) {
same( ui, {}, "empty ui hash passed" );
handlers.push( this );
});
same( $( "#widget" ).data( "testWidget" )._trigger( "foo" ), true,
"_trigger returns true when event is not cancelled" );
same( handlers, [
$( "#widget" )[ 0 ],
$( "#widget-wrapper" )[ 0 ],
document,
"callback"
], "event bubbles and then invokes callback" );
$( document ).unbind( "testwidgetfoo" );
});
test( "._trigger() - cancelled event", function() {
expect( 3 );
$.widget( "ui.testWidget", {
_create: function() {}
});
$( "#widget" ).testWidget({
foo: function( event, ui ) {
ok( true, "callback invoked even if event is cancelled" );
}
})
.bind( "testwidgetfoo", function( event, ui ) {
ok( true, "event was triggered" );
return false;
});
same( $( "#widget" ).data( "testWidget" )._trigger( "foo" ), false,
"_trigger returns false when event is cancelled" );
});
test( "._trigger() - cancelled callback", function() {
$.widget( "ui.testWidget", {
_create: function() {}
});
$( "#widget" ).testWidget({
foo: function( event, ui ) {
return false;
}
});
same( $( "#widget" ).data( "testWidget" )._trigger( "foo" ), false,
"_trigger returns false when callback returns false" );
});
test( "._trigger() - provide event and ui", function() {
expect( 7 );
var originalEvent = $.Event( "originalTest" );
$.widget( "ui.testWidget", {
_create: function() {},
testEvent: function() {
var ui = {
foo: "bar",
baz: {
qux: 5,
quux: 20
}
};
this._trigger( "foo", originalEvent, ui );
same( ui, {
foo: "notbar",
baz: {
qux: 10,
quux: "jQuery"
}
}, "ui object modified" );
}
});
$( "#widget" ).bind( "testwidgetfoo", function( event, ui ) {
equal( event.originalEvent, originalEvent, "original event object passed" );
same( ui, {
foo: "bar",
baz: {
qux: 5,
quux: 20
}
}, "ui hash passed" );
ui.foo = "notbar";
});
$( "#widget-wrapper" ).bind( "testwidgetfoo", function( event, ui ) {
equal( event.originalEvent, originalEvent, "original event object passed" );
same( ui, {
foo: "notbar",
baz: {
qux: 5,
quux: 20
}
}, "modified ui hash passed" );
ui.baz.qux = 10;
});
$( "#widget" ).testWidget({
foo: function( event, ui ) {
equal( event.originalEvent, originalEvent, "original event object passed" );
same( ui, {
foo: "notbar",
baz: {
qux: 10,
quux: 20
}
}, "modified ui hash passed" );
ui.baz.quux = "jQuery";
}
})
.testWidget( "testEvent" );
});
test( "auto-destroy - .remove()", function() {
expect( 1 );
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( true, "destroyed from .remove()" );
}
});
$( "#widget" ).testWidget().remove();
});
test( "auto-destroy - .remove() on parent", function() {
expect( 1 );
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( true, "destroyed from .remove() on parent" );
}
});
$( "#widget" ).testWidget().parent().remove();
});
test( "auto-destroy - .remove() on child", function() {
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( false, "destroyed from .remove() on child" );
}
});
$( "#widget" ).testWidget().children().remove();
// http://github.com/jquery/qunit/pull/34
$.ui.testWidget.prototype.destroy = $.noop;
});
test( "auto-destroy - .empty()", function() {
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( false, "destroyed from .empty()" );
}
});
$( "#widget" ).testWidget().empty();
// http://github.com/jquery/qunit/pull/34
$.ui.testWidget.prototype.destroy = $.noop;
});
test( "auto-destroy - .empty() on parent", function() {
expect( 1 );
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( true, "destroyed from .empty() on parent" );
}
});
$( "#widget" ).testWidget().parent().empty();
});
test( "auto-destroy - .detach()", function() {
$.widget( "ui.testWidget", {
_create: function() {},
destroy: function() {
ok( false, "destroyed from .detach()" );
}
});
$( "#widget" ).testWidget().detach();
});
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})( jQuery );