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inputSpec.js
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'use strict';
describe('NgModelController', function() {
/* global NgModelController: false */
var ctrl, scope, ngModelAccessor, element, parentFormCtrl;
beforeEach(inject(function($rootScope, $controller) {
var attrs = {name: 'testAlias', ngModel: 'value'};
parentFormCtrl = {
$$setPending: jasmine.createSpy('$$setPending'),
$setValidity: jasmine.createSpy('$setValidity'),
$setDirty: jasmine.createSpy('$setDirty'),
$$clearControlValidity: noop
};
element = jqLite('<form><input></form>');
element.data('$formController', parentFormCtrl);
scope = $rootScope;
ngModelAccessor = jasmine.createSpy('ngModel accessor');
ctrl = $controller(NgModelController, {
$scope: scope,
$element: element.find('input'),
$attrs: attrs
});
}));
afterEach(function() {
dealoc(element);
});
it('should init the properties', function() {
expect(ctrl.$untouched).toBe(true);
expect(ctrl.$touched).toBe(false);
expect(ctrl.$dirty).toBe(false);
expect(ctrl.$pristine).toBe(true);
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
expect(ctrl.$viewValue).toBeDefined();
expect(ctrl.$modelValue).toBeDefined();
expect(ctrl.$formatters).toEqual([]);
expect(ctrl.$parsers).toEqual([]);
expect(ctrl.$name).toBe('testAlias');
});
describe('setValidity', function() {
it('should propagate invalid to the parent form only when valid', function() {
expect(parentFormCtrl.$setValidity).not.toHaveBeenCalled();
ctrl.$setValidity('ERROR', false);
expect(parentFormCtrl.$setValidity).toHaveBeenCalledOnceWith('ERROR', false, ctrl);
parentFormCtrl.$setValidity.reset();
ctrl.$setValidity('ERROR', false);
expect(parentFormCtrl.$setValidity).not.toHaveBeenCalled();
});
it('should set and unset the error', function() {
ctrl.$setValidity('required', false);
expect(ctrl.$error.required).toBe(true);
ctrl.$setValidity('required', true);
expect(ctrl.$error.required).toBe(false);
});
it('should set valid/invalid', function() {
ctrl.$setValidity('first', false);
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
ctrl.$setValidity('second', false);
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
ctrl.$setValidity('second', true);
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
ctrl.$setValidity('first', true);
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
});
it('should emit $valid only when $invalid', function() {
ctrl.$setValidity('error', true);
expect(parentFormCtrl.$setValidity).toHaveBeenCalledOnceWith('error', true, ctrl);
parentFormCtrl.$setValidity.reset();
ctrl.$setValidity('error', false);
expect(parentFormCtrl.$setValidity).toHaveBeenCalledOnceWith('error', false, ctrl);
parentFormCtrl.$setValidity.reset();
ctrl.$setValidity('error', true);
expect(parentFormCtrl.$setValidity).toHaveBeenCalledOnceWith('error', true, ctrl);
});
});
describe('setPristine', function() {
it('should set control to its pristine state', function() {
ctrl.$setViewValue('edit');
expect(ctrl.$dirty).toBe(true);
expect(ctrl.$pristine).toBe(false);
ctrl.$setPristine();
expect(ctrl.$dirty).toBe(false);
expect(ctrl.$pristine).toBe(true);
});
});
describe('setUntouched', function() {
it('should set control to its untouched state', function() {
ctrl.$setTouched();
ctrl.$setUntouched();
expect(ctrl.$touched).toBe(false);
expect(ctrl.$untouched).toBe(true);
});
});
describe('setTouched', function() {
it('should set control to its touched state', function() {
ctrl.$setUntouched();
ctrl.$setTouched();
expect(ctrl.$touched).toBe(true);
expect(ctrl.$untouched).toBe(false);
});
});
describe('view -> model', function() {
it('should set the value to $viewValue', function() {
ctrl.$setViewValue('some-val');
expect(ctrl.$viewValue).toBe('some-val');
});
it('should pipeline all registered parsers and set result to $modelValue', function() {
var log = [];
ctrl.$parsers.push(function(value) {
log.push(value);
return value + '-a';
});
ctrl.$parsers.push(function(value) {
log.push(value);
return value + '-b';
});
ctrl.$setViewValue('init');
expect(log).toEqual(['init', 'init-a']);
expect(ctrl.$modelValue).toBe('init-a-b');
});
it('should fire viewChangeListeners when the value changes in the view (even if invalid)',
function() {
var spy = jasmine.createSpy('viewChangeListener');
ctrl.$viewChangeListeners.push(spy);
ctrl.$setViewValue('val');
expect(spy).toHaveBeenCalledOnce();
spy.reset();
// invalid
ctrl.$parsers.push(function() {return undefined;});
ctrl.$setViewValue('val2');
expect(spy).toHaveBeenCalledOnce();
});
it('should reset the model when the view is invalid', function() {
ctrl.$setViewValue('aaaa');
expect(ctrl.$modelValue).toBe('aaaa');
// add a validator that will make any input invalid
ctrl.$parsers.push(function() {return undefined;});
expect(ctrl.$modelValue).toBe('aaaa');
ctrl.$setViewValue('bbbb');
expect(ctrl.$modelValue).toBeUndefined();
});
it('should call parentForm.$setDirty only when pristine', function() {
ctrl.$setViewValue('');
expect(ctrl.$pristine).toBe(false);
expect(ctrl.$dirty).toBe(true);
expect(parentFormCtrl.$setDirty).toHaveBeenCalledOnce();
parentFormCtrl.$setDirty.reset();
ctrl.$setViewValue('');
expect(ctrl.$pristine).toBe(false);
expect(ctrl.$dirty).toBe(true);
expect(parentFormCtrl.$setDirty).not.toHaveBeenCalled();
});
it('should remove all other errors when any parser returns undefined', function() {
var a, b, val = function(val, x) {
return x ? val : x;
};
ctrl.$parsers.push(function(v) { return val(v, a); });
ctrl.$parsers.push(function(v) { return val(v, b); });
ctrl.$validators.high = function(value) {
return !isDefined(value) || value > 5;
};
ctrl.$validators.even = function(value) {
return !isDefined(value) || value % 2 === 0;
};
a = b = true;
ctrl.$setViewValue('3');
expect(ctrl.$error).toEqual({ parse: false, high : true, even : true });
ctrl.$setViewValue('10');
expect(ctrl.$error).toEqual({ parse: false, high : false, even : false });
a = undefined;
ctrl.$setViewValue('12');
expect(ctrl.$error).toEqual({ parse: true });
a = true;
b = undefined;
ctrl.$setViewValue('14');
expect(ctrl.$error).toEqual({ parse: true });
a = undefined;
b = undefined;
ctrl.$setViewValue('16');
expect(ctrl.$error).toEqual({ parse: true });
a = b = false; //not undefined
ctrl.$setViewValue('2');
expect(ctrl.$error).toEqual({ parse: false, high : true, even : false });
});
it('should remove all non-parse-related CSS classes from the form when a parser fails',
inject(function($compile, $rootScope) {
var element = $compile('<form name="myForm">' +
'<input name="myControl" ng-model="value" >' +
'</form>')($rootScope);
var inputElm = element.find('input');
var ctrl = $rootScope.myForm.myControl;
var parserIsFailing = false;
ctrl.$parsers.push(function(value) {
return parserIsFailing ? undefined : value;
});
ctrl.$validators.alwaysFail = function() {
return false;
};
ctrl.$setViewValue('123');
scope.$digest();
expect(element).not.toHaveClass('ng-valid-parse');
expect(element).toHaveClass('ng-invalid-always-fail');
parserIsFailing = true;
ctrl.$setViewValue('12345');
scope.$digest();
expect(element).toHaveClass('ng-invalid-parse');
expect(element).not.toHaveClass('ng-invalid-always-fail');
dealoc(element);
}));
it('should set the ng-invalid-parse and ng-valid-parse CSS class when parsers fail and pass', function() {
var pass = true;
ctrl.$parsers.push(function(v) {
return pass ? v : undefined;
});
var input = element.find('input');
ctrl.$setViewValue('1');
expect(input).toHaveClass('ng-valid-parse');
expect(input).not.toHaveClass('ng-invalid-parse');
pass = undefined;
ctrl.$setViewValue('2');
expect(input).not.toHaveClass('ng-valid-parse');
expect(input).toHaveClass('ng-invalid-parse');
});
});
describe('model -> view', function() {
it('should set the value to $modelValue', function() {
scope.$apply('value = 10');
expect(ctrl.$modelValue).toBe(10);
});
it('should pipeline all registered formatters in reversed order and set result to $viewValue',
function() {
var log = [];
ctrl.$formatters.unshift(function(value) {
log.push(value);
return value + 2;
});
ctrl.$formatters.unshift(function(value) {
log.push(value);
return value + '';
});
scope.$apply('value = 3');
expect(log).toEqual([3, 5]);
expect(ctrl.$viewValue).toBe('5');
});
it('should $render only if value changed', function() {
spyOn(ctrl, '$render');
scope.$apply('value = 3');
expect(ctrl.$render).toHaveBeenCalledOnce();
ctrl.$render.reset();
ctrl.$formatters.push(function() {return 3;});
scope.$apply('value = 5');
expect(ctrl.$render).not.toHaveBeenCalled();
});
it('should clear the view even if invalid', function() {
spyOn(ctrl, '$render');
ctrl.$formatters.push(function() {return undefined;});
scope.$apply('value = 5');
expect(ctrl.$render).toHaveBeenCalledOnce();
});
});
describe('validations pipeline', function() {
it('should perform validations when $validate() is called', function() {
ctrl.$validators.uppercase = function(value) {
return (/^[A-Z]+$/).test(value);
};
ctrl.$modelValue = 'test';
ctrl.$$invalidModelValue = undefined;
ctrl.$validate();
expect(ctrl.$valid).toBe(false);
ctrl.$modelValue = 'TEST';
ctrl.$$invalidModelValue = undefined;
ctrl.$validate();
expect(ctrl.$valid).toBe(true);
});
it('should always perform validations using the parsed model value', function() {
var captures;
ctrl.$validators.raw = function() {
captures = arguments;
return captures[0];
};
ctrl.$parsers.push(function(value) {
return value.toUpperCase();
});
ctrl.$setViewValue('my-value');
expect(captures).toEqual(['MY-VALUE', 'my-value']);
});
it('should always perform validations using the formatted view value', function() {
var captures;
ctrl.$validators.raw = function() {
captures = arguments;
return captures[0];
};
ctrl.$formatters.push(function(value) {
return value + '...';
});
scope.$apply('value = "matias"');
expect(captures).toEqual(['matias', 'matias...']);
});
it('should only perform validations if the view value is different', function() {
var count = 0;
ctrl.$validators.countMe = function() {
count++;
};
ctrl.$setViewValue('my-value');
expect(count).toBe(1);
ctrl.$setViewValue('my-value');
expect(count).toBe(1);
ctrl.$setViewValue('your-value');
expect(count).toBe(2);
});
it('should perform validations twice each time the model value changes within a digest', function() {
var count = 0;
ctrl.$validators.number = function(value) {
count++;
return (/^\d+$/).test(value);
};
scope.$apply('value = ""');
expect(count).toBe(1);
scope.$apply('value = 1');
expect(count).toBe(2);
scope.$apply('value = 1');
expect(count).toBe(2);
scope.$apply('value = ""');
expect(count).toBe(3);
});
it('should only validate to true if all validations are true', function() {
var curry = function(v) {
return function() {
return v;
};
};
ctrl.$modelValue = undefined;
ctrl.$validators.a = curry(true);
ctrl.$validators.b = curry(true);
ctrl.$validators.c = curry(false);
ctrl.$validate();
expect(ctrl.$valid).toBe(false);
ctrl.$validators.c = curry(true);
ctrl.$validate();
expect(ctrl.$valid).toBe(true);
});
it('should register invalid validations on the $error object', function() {
var curry = function(v) {
return function() {
return v;
};
};
ctrl.$modelValue = undefined;
ctrl.$validators.unique = curry(false);
ctrl.$validators.tooLong = curry(false);
ctrl.$validators.notNumeric = curry(true);
ctrl.$validate();
expect(ctrl.$error.unique).toBe(true);
expect(ctrl.$error.tooLong).toBe(true);
expect(ctrl.$error.notNumeric).not.toBe(true);
});
it('should render a validator asynchronously when a promise is returned', inject(function($q) {
var defer;
ctrl.$asyncValidators.promiseValidator = function(value) {
defer = $q.defer();
return defer.promise;
};
scope.$apply('value = ""');
expect(ctrl.$valid).toBeUndefined();
expect(ctrl.$invalid).toBeUndefined();
expect(ctrl.$pending.promiseValidator).toBe(true);
defer.resolve();
scope.$digest();
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
expect(ctrl.$pending).toBeUndefined();
scope.$apply('value = "123"');
defer.reject();
scope.$digest();
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
expect(ctrl.$pending).toBeUndefined();
}));
it('should not run validators in case view value is not re-rendered', function() {
ctrl.$formatters.push(function(value) {
return 'nochange';
});
ctrl.$validators.spyValidator = jasmine.createSpy('spyValidator');
scope.$apply('value = "first"');
scope.$apply('value = "second"');
expect(ctrl.$validators.spyValidator).toHaveBeenCalledOnce();
});
it('should render a validator asynchronously when parser is defined', inject(function($q) {
var defer;
ctrl.$asyncValidators.promiseValidator = function(value) {
defer = $q.defer();
return defer.promise;
};
ctrl.$parsers.push(function(value) {
return value + '-a';
});
ctrl.$setViewValue('');
expect(ctrl.$valid).toBeUndefined();
expect(ctrl.$invalid).toBeUndefined();
expect(ctrl.$pending.promiseValidator).toBe(true);
defer.resolve();
scope.$digest();
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
expect(ctrl.$pending).toBeUndefined();
expect(ctrl.$modelValue).toBe('-a');
}));
it('should throw an error when a promise is not returned for an asynchronous validator', inject(function($q) {
ctrl.$asyncValidators.async = function(value) {
return true;
};
expect(function() {
scope.$apply('value = "123"');
}).toThrowMinErr("ngModel", "$asyncValidators",
"Expected asynchronous validator to return a promise but got 'true' instead.");
}));
it('should only run the async validators once all the sync validators have passed',
inject(function($q) {
var stages = {};
stages.sync = { status1 : false, status2: false, count : 0 };
ctrl.$validators.syncValidator1 = function(modelValue, viewValue) {
stages.sync.count++;
return stages.sync.status1;
};
ctrl.$validators.syncValidator2 = function(modelValue, viewValue) {
stages.sync.count++;
return stages.sync.status2;
};
stages.async = { defer : null, count : 0 };
ctrl.$asyncValidators.asyncValidator = function(modelValue, viewValue) {
stages.async.defer = $q.defer();
stages.async.count++;
return stages.async.defer.promise;
};
scope.$apply('value = "123"');
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
expect(stages.sync.count).toBe(2);
expect(stages.async.count).toBe(0);
stages.sync.status1 = true;
scope.$apply('value = "456"');
expect(stages.sync.count).toBe(4);
expect(stages.async.count).toBe(0);
stages.sync.status2 = true;
scope.$apply('value = "789"');
expect(stages.sync.count).toBe(6);
expect(stages.async.count).toBe(1);
stages.async.defer.resolve();
scope.$apply();
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
}));
it('should ignore expired async validation promises once delivered', inject(function($q) {
var defer, oldDefer, newDefer;
ctrl.$asyncValidators.async = function(value) {
defer = $q.defer();
return defer.promise;
};
scope.$apply('value = ""');
oldDefer = defer;
scope.$apply('value = "123"');
newDefer = defer;
newDefer.reject();
scope.$digest();
oldDefer.resolve();
scope.$digest();
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
expect(ctrl.$pending).toBeUndefined();
}));
it('should clear and ignore all pending promises when the input values changes', inject(function($q) {
var isPending = false;
ctrl.$validators.sync = function(value) {
isPending = isObject(ctrl.$pending);
return true;
};
var defers = [];
ctrl.$asyncValidators.async = function(value) {
var defer = $q.defer();
defers.push(defer);
return defer.promise;
};
scope.$apply('value = "123"');
expect(isPending).toBe(false);
expect(ctrl.$valid).toBe(undefined);
expect(ctrl.$invalid).toBe(undefined);
expect(defers.length).toBe(1);
expect(isObject(ctrl.$pending)).toBe(true);
scope.$apply('value = "456"');
expect(isPending).toBe(false);
expect(ctrl.$valid).toBe(undefined);
expect(ctrl.$invalid).toBe(undefined);
expect(defers.length).toBe(2);
expect(isObject(ctrl.$pending)).toBe(true);
defers[1].resolve();
scope.$digest();
expect(ctrl.$valid).toBe(true);
expect(ctrl.$invalid).toBe(false);
expect(isObject(ctrl.$pending)).toBe(false);
}));
it('should clear and ignore all pending promises when a parser fails', inject(function($q) {
var failParser = false;
ctrl.$parsers.push(function(value) {
return failParser ? undefined : value;
});
var defer;
ctrl.$asyncValidators.async = function(value) {
defer = $q.defer();
return defer.promise;
};
ctrl.$setViewValue('x..y..z');
expect(ctrl.$valid).toBe(undefined);
expect(ctrl.$invalid).toBe(undefined);
failParser = true;
ctrl.$setViewValue('1..2..3');
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
expect(isObject(ctrl.$pending)).toBe(false);
defer.resolve();
scope.$digest();
expect(ctrl.$valid).toBe(false);
expect(ctrl.$invalid).toBe(true);
expect(isObject(ctrl.$pending)).toBe(false);
}));
it('should re-evaluate the form validity state once the asynchronous promise has been delivered',
inject(function($compile, $rootScope, $q) {
var element = $compile('<form name="myForm">' +
'<input type="text" name="username" ng-model="username" minlength="10" required />' +
'<input type="number" name="age" ng-model="age" min="10" required />' +
'</form>')($rootScope);
var inputElm = element.find('input');
var formCtrl = $rootScope.myForm;
var usernameCtrl = formCtrl.username;
var ageCtrl = formCtrl.age;
var usernameDefer;
usernameCtrl.$asyncValidators.usernameAvailability = function() {
usernameDefer = $q.defer();
return usernameDefer.promise;
};
$rootScope.$digest();
expect(usernameCtrl.$invalid).toBe(true);
expect(formCtrl.$invalid).toBe(true);
usernameCtrl.$setViewValue('valid-username');
$rootScope.$digest();
expect(formCtrl.$pending.usernameAvailability).toBeTruthy();
expect(usernameCtrl.$invalid).toBe(undefined);
expect(formCtrl.$invalid).toBe(undefined);
usernameDefer.resolve();
$rootScope.$digest();
expect(usernameCtrl.$invalid).toBe(false);
expect(formCtrl.$invalid).toBe(true);
ageCtrl.$setViewValue(22);
$rootScope.$digest();
expect(usernameCtrl.$invalid).toBe(false);
expect(ageCtrl.$invalid).toBe(false);
expect(formCtrl.$invalid).toBe(false);
usernameCtrl.$setViewValue('valid');
$rootScope.$digest();
expect(usernameCtrl.$invalid).toBe(true);
expect(ageCtrl.$invalid).toBe(false);
expect(formCtrl.$invalid).toBe(true);
usernameCtrl.$setViewValue('another-valid-username');
$rootScope.$digest();
usernameDefer.resolve();
$rootScope.$digest();
expect(usernameCtrl.$invalid).toBe(false);
expect(formCtrl.$invalid).toBe(false);
expect(formCtrl.$pending).toBeFalsy();
expect(ageCtrl.$invalid).toBe(false);
dealoc(element);
}));
});
});
describe('ngModel', function() {
it('should set css classes (ng-valid, ng-invalid, ng-pristine, ng-dirty, ng-untouched, ng-touched)',
inject(function($compile, $rootScope, $sniffer) {
var element = $compile('<input type="email" ng-model="value" />')($rootScope);
$rootScope.$digest();
expect(element).toBeValid();
expect(element).toBePristine();
expect(element).toBeUntouched();
expect(element.hasClass('ng-valid-email')).toBe(true);
expect(element.hasClass('ng-invalid-email')).toBe(false);
$rootScope.$apply("value = 'invalid-email'");
expect(element).toBeInvalid();
expect(element).toBePristine();
expect(element.hasClass('ng-valid-email')).toBe(false);
expect(element.hasClass('ng-invalid-email')).toBe(true);
element.val('invalid-again');
browserTrigger(element, ($sniffer.hasEvent('input')) ? 'input' : 'change');
expect(element).toBeInvalid();
expect(element).toBeDirty();
expect(element.hasClass('ng-valid-email')).toBe(false);
expect(element.hasClass('ng-invalid-email')).toBe(true);
element.val('vojta@google.com');
browserTrigger(element, $sniffer.hasEvent('input') ? 'input' : 'change');
expect(element).toBeValid();
expect(element).toBeDirty();
expect(element.hasClass('ng-valid-email')).toBe(true);
expect(element.hasClass('ng-invalid-email')).toBe(false);
browserTrigger(element, 'blur');
expect(element).toBeTouched();
dealoc(element);
}));
it('should set invalid classes on init', inject(function($compile, $rootScope) {
var element = $compile('<input type="email" ng-model="value" required />')($rootScope);
$rootScope.$digest();
expect(element).toBeInvalid();
expect(element).toHaveClass('ng-invalid-required');
dealoc(element);
}));
it('should always format the viewValue as a string for a blank input type when the value is present',
inject(function($compile, $rootScope, $sniffer) {
var form = $compile('<form name="form"><input name="field" ng-model="val" /></form>')($rootScope);
$rootScope.val = 123;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe('123');
$rootScope.val = null;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe(null);
dealoc(form);
}));
it('should always format the viewValue as a string for a `text` input type when the value is present',
inject(function($compile, $rootScope, $sniffer) {
var form = $compile('<form name="form"><input type="text" name="field" ng-model="val" /></form>')($rootScope);
$rootScope.val = 123;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe('123');
$rootScope.val = null;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe(null);
dealoc(form);
}));
it('should always format the viewValue as a string for an `email` input type when the value is present',
inject(function($compile, $rootScope, $sniffer) {
var form = $compile('<form name="form"><input type="email" name="field" ng-model="val" /></form>')($rootScope);
$rootScope.val = 123;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe('123');
$rootScope.val = null;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe(null);
dealoc(form);
}));
it('should always format the viewValue as a string for a `url` input type when the value is present',
inject(function($compile, $rootScope, $sniffer) {
var form = $compile('<form name="form"><input type="url" name="field" ng-model="val" /></form>')($rootScope);
$rootScope.val = 123;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe('123');
$rootScope.val = null;
$rootScope.$digest();
expect($rootScope.form.field.$viewValue).toBe(null);
dealoc(form);
}));
it('should set the control touched state on "blur" event', inject(function($compile, $rootScope) {
var element = $compile('<form name="myForm">' +
'<input name="myControl" ng-model="value" >' +
'</form>')($rootScope);
var inputElm = element.find('input');
var control = $rootScope.myForm.myControl;
expect(control.$touched).toBe(false);
expect(control.$untouched).toBe(true);
browserTrigger(inputElm, 'blur');
expect(control.$touched).toBe(true);
expect(control.$untouched).toBe(false);
dealoc(element);
}));
it('should not cause a digest on "blur" event if control is already touched',
inject(function($compile, $rootScope) {
var element = $compile('<form name="myForm">' +
'<input name="myControl" ng-model="value" >' +
'</form>')($rootScope);
var inputElm = element.find('input');
var control = $rootScope.myForm.myControl;
control.$setTouched();
spyOn($rootScope, '$apply');
browserTrigger(inputElm, 'blur');
expect($rootScope.$apply).not.toHaveBeenCalled();
dealoc(element);
}));
it('should register/deregister a nested ngModel with parent form when entering or leaving DOM',
inject(function($compile, $rootScope) {
var element = $compile('<form name="myForm">' +
'<input ng-if="inputPresent" name="myControl" ng-model="value" required >' +
'</form>')($rootScope);
var isFormValid;
$rootScope.inputPresent = false;
$rootScope.$watch('myForm.$valid', function(value) { isFormValid = value; });
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(true);
expect(isFormValid).toBe(true);
expect($rootScope.myForm.myControl).toBeUndefined();
$rootScope.inputPresent = true;
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(false);
expect(isFormValid).toBe(false);
expect($rootScope.myForm.myControl).toBeDefined();
$rootScope.inputPresent = false;
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(true);
expect(isFormValid).toBe(true);
expect($rootScope.myForm.myControl).toBeUndefined();
dealoc(element);
}));
it('should register/deregister a nested ngModel with parent form when entering or leaving DOM with animations',
function() {
// ngAnimate performs the dom manipulation after digest, and since the form validity can be affected by a form
// control going away we must ensure that the deregistration happens during the digest while we are still doing
// dirty checking.
module('ngAnimate');
inject(function($compile, $rootScope) {
var element = $compile('<form name="myForm">' +
'<input ng-if="inputPresent" name="myControl" ng-model="value" required >' +
'</form>')($rootScope);
var isFormValid;
$rootScope.inputPresent = false;
// this watch ensure that the form validity gets updated during digest (so that we can observe it)
$rootScope.$watch('myForm.$valid', function(value) { isFormValid = value; });
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(true);
expect(isFormValid).toBe(true);
expect($rootScope.myForm.myControl).toBeUndefined();
$rootScope.inputPresent = true;
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(false);
expect(isFormValid).toBe(false);
expect($rootScope.myForm.myControl).toBeDefined();
$rootScope.inputPresent = false;
$rootScope.$apply();
expect($rootScope.myForm.$valid).toBe(true);
expect(isFormValid).toBe(true);
expect($rootScope.myForm.myControl).toBeUndefined();
dealoc(element);
});
});
it('should keep previously defined watches consistent when changes in validity are made',
inject(function($compile, $rootScope) {
var isFormValid;
$rootScope.$watch('myForm.$valid', function(value) { isFormValid = value; });