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codemirror.spec.js
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describe('uiCodemirror', function() {
'use strict';
// declare these up here to be global to all tests
var scope, $compile, $timeout, uiConfig;
var codemirrorDefaults = window.CodeMirror.defaults;
beforeEach(function() {
module('ui.codemirror');
inject(function(_$rootScope_, _$compile_, _$timeout_, uiCodemirrorConfig) {
scope = _$rootScope_.$new();
$compile = _$compile_;
$timeout = _$timeout_;
uiConfig = uiCodemirrorConfig;
});
});
afterEach(function() {
uiConfig = {};
});
it('should not throw an error when window.CodeMirror is defined', function() {
function compile() {
$compile('<div ui-codemirror></div>')(scope);
}
var _CodeMirror = window.CodeMirror;
delete window.CodeMirror;
expect(window.CodeMirror).toBeUndefined();
expect(compile)
.toThrow(new Error('ui-codemirror needs CodeMirror to work... (o rly?)'));
window.CodeMirror = _CodeMirror;
});
describe('destruction', function() {
var parentElement;
beforeEach(function() {
parentElement = angular.element('<div></div>');
angular.element(document.body).prepend(parentElement);
});
afterEach(function() {
parentElement.remove();
});
function shouldDestroyTest(elementType, template) {
it('should destroy the directive of ' + elementType, function() {
var element = angular.element(template);
parentElement.append(element);
$compile(element)(scope);
scope.$digest();
expect(parentElement.children().length).toBe(1);
element.remove();
scope.$digest();
expect(parentElement.children().length).toBe(0);
});
}
shouldDestroyTest('an element', '<ui-codemirror></ui-codemirror>');
shouldDestroyTest('an attribute', '<div ui-codemirror=""></div>');
});
it('should not throw an error when window.CodeMirror is defined an attribute', function() {
function compile() {
$compile('<div ui-codemirror></div>')(scope);
}
expect(window.CodeMirror).toBeDefined();
expect(compile).not.toThrow();
});
it('should not throw an error when window.CodeMirror is defined an element', function() {
function compile() {
$compile('<ui-codemirror></ui-codemirror>')(scope);
}
expect(window.CodeMirror).toBeDefined();
expect(compile).not.toThrow();
});
it('should watch all uiCodemirror attribute', function() {
spyOn(scope, '$watch');
scope.cmOption = {};
$compile('<div ui-codemirror="cmOption" ng-model="foo" ui-refresh="sdf"></div>')(scope);
expect(scope.$watch.calls.count()).toEqual(3); // The uiCodemirror+ the ngModel + the uiRefresh
expect(scope.$watch).toHaveBeenCalledWith('cmOption', jasmine.any(Function), true); // uiCodemirror
expect(scope.$watch).toHaveBeenCalledWith(jasmine.any(Function)); // ngModel
expect(scope.$watch).toHaveBeenCalledWith('sdf', jasmine.any(Function)); // uiRefresh
});
describe('CodeMirror instance', function() {
var codemirror = null, spies = angular.noop;
beforeEach(function() {
var _constructor = window.CodeMirror;
window.CodeMirror = jasmine.createSpy('window.CodeMirror')
.and.callFake(function() {
codemirror = _constructor.apply(this, arguments);
spies(codemirror);
return codemirror;
});
window.CodeMirror.signal = _constructor.signal;
window.CodeMirror.defaults = codemirrorDefaults;
});
it('should call the CodeMirror constructor with a function', function() {
$compile('<div ui-codemirror></div>')(scope);
expect(window.CodeMirror.calls.count()).toEqual(1);
expect(window.CodeMirror)
.toHaveBeenCalledWith(jasmine.any(Function), jasmine.any(Object));
expect(codemirror).toBeDefined();
});
it('should work as an element', function() {
$compile('<ui-codemirror></ui-codemirror>')(scope);
expect(window.CodeMirror.calls.count()).toEqual(1);
expect(window.CodeMirror)
.toHaveBeenCalledWith(jasmine.any(Function), jasmine.any(Object));
expect(codemirror).toBeDefined();
});
it('should have a child element with a div.CodeMirror', function() {
// Explicit a parent node to support the directive.
var element = $compile('<div ui-codemirror></div>')(scope).children();
expect(element).toBeDefined();
expect(element.prop('tagName')).toBe('DIV');
expect(element.prop('classList').length).toEqual(2);
expect(element.prop('classList')[0]).toEqual('CodeMirror');
expect(element.prop('classList')[1]).toEqual('cm-s-default');
});
describe('options', function() {
spies = function(codemirror) {
codemirror._setOption = codemirror._setOption || codemirror.setOption;
codemirror.setOption = jasmine.createSpy('codemirror.setOption')
.and.callFake(function() {
codemirror._setOption.apply(this, arguments);
});
};
it('should not be called', function() {
$compile('<div ui-codemirror></div>')(scope);
expect(window.CodeMirror)
.toHaveBeenCalledWith(jasmine.any(Function), { value: '' });
expect(codemirror.setOption).not.toHaveBeenCalled();
});
it('should include the passed options (attribute directive)', function() {
$compile('<div ui-codemirror="{oof: \'baar\'}"></div>')(scope);
expect(window.CodeMirror)
.toHaveBeenCalledWith(jasmine.any(Function), {
value: '',
oof: 'baar'
});
expect(codemirror.setOption).not.toHaveBeenCalled();
});
it('should include the passed options (element directive)', function() {
$compile('<ui-codemirror ui-codemirror-opts="{oof: \'baar\'}"></ui-codemirror>')(scope);
expect(window.CodeMirror)
.toHaveBeenCalledWith(jasmine.any(Function), {
value: '',
oof: 'baar'
});
expect(codemirror.setOption).not.toHaveBeenCalled();
});
it('should include the default options', function() {
uiConfig.codemirror = { bar: 'baz' };
$compile('<div ui-codemirror></div>')(scope);
expect(window.CodeMirror).toHaveBeenCalledWith(jasmine.any(Function), {
value: '',
bar: 'baz'
});
expect(codemirror.setOption).not.toHaveBeenCalled();
});
it('should extent the default options', function() {
uiConfig.codemirror = { bar: 'baz' };
$compile('<div ui-codemirror="{oof: \'baar\'}"></div>')(scope);
expect(window.CodeMirror).toHaveBeenCalledWith(jasmine.any(Function), {
value: '',
oof: 'baar',
bar: 'baz'
});
expect(codemirror.setOption).not.toHaveBeenCalled();
});
it('should impact codemirror', function() {
uiConfig.codemirror = {};
$compile('<div ui-codemirror="{theme: \'baar\'}"></div>')(scope);
expect(window.CodeMirror).toHaveBeenCalledWith(jasmine.any(Function), {
value: '',
theme: 'baar'
});
expect(codemirror.setOption).not.toHaveBeenCalled();
expect(codemirror.getOption('theme')).toEqual('baar');
});
});
it('should not trigger watch ui-refresh', function() {
spyOn(scope, '$watch');
$compile('<div ui-codemirror ui-refresh=""></div>')(scope);
expect(scope.$watch).not.toHaveBeenCalled();
});
it('should trigger the CodeMirror.refresh() method', function() {
$compile('<div ui-codemirror ui-refresh="bar"></div>')(scope);
spyOn(codemirror, 'refresh');
scope.$apply('bar = null');
scope.$apply('bar = false');
expect(scope.bar).toBeFalsy();
$timeout.flush();
expect(codemirror.refresh).toHaveBeenCalled();
scope.$apply('bar = true');
expect(scope.bar).toBeTruthy();
$timeout.flush();
expect(codemirror.refresh).toHaveBeenCalled();
scope.$apply('bar = 0');
expect(scope.bar).toBeFalsy();
$timeout.flush();
expect(codemirror.refresh).toHaveBeenCalled();
scope.$apply('bar = 1');
expect(scope.bar).toBeTruthy();
$timeout.flush();
expect(codemirror.refresh).toHaveBeenCalled();
expect(codemirror.refresh.calls.count()).toEqual(4);
});
it('when the IDE changes should update the model', function() {
var element = $compile('<div ui-codemirror ng-model="foo"></div>')(scope);
var ctrl = element.controller('ngModel');
expect(ctrl.$pristine).toBe(true);
expect(ctrl.$valid).toBe(true);
var value = 'baz';
codemirror.setValue(value);
scope.$apply();
expect(scope.foo).toBe(value);
expect(ctrl.$valid).toBe(true);
expect(ctrl.$dirty).toBe(true);
});
it('when the IDE changes should update the model on blur', function() {
// Define values
var oldValue = 'bar';
var newValue = 'baz';
// Create codemirror editor and bind with updateOn blur
var element = $compile('<div ui-codemirror ng-model="foo" ng-model-options="{updateOn: \'blur\'}"></div>')(scope);
var ctrl = element.controller('ngModel');
// Check initial states
expect(ctrl.$pristine).toBe(true);
expect(ctrl.$valid).toBe(true);
scope.$apply('foo = "' + oldValue + '"');
expect(scope.foo).toBe(oldValue);
expect(codemirror.getValue()).toBe(oldValue);
// Change text but DO NOT blur
codemirror.setValue(newValue);
expect(scope.foo).toBe(oldValue);
expect(codemirror.getValue()).toBe(newValue);
// Blur and observe change to model
window.CodeMirror.signal(codemirror, 'blur', codemirror);
expect(scope.foo).toBe(newValue);
expect(ctrl.$valid).toBe(true);
expect(ctrl.$dirty).toBe(true);
});
it('when the model changes should update the IDE', function() {
var element = $compile('<div ui-codemirror ng-model="foo"></div>')(scope);
var ctrl = element.controller('ngModel');
expect(ctrl.$pristine).toBe(true);
expect(ctrl.$valid).toBe(true);
scope.$apply('foo = "bar"');
expect(codemirror.getValue()).toBe(scope.foo);
expect(ctrl.$pristine).toBe(true);
expect(ctrl.$valid).toBe(true);
});
it('when the IDE changes should use ngChange', function() {
scope.change = angular.noop;
spyOn(scope, 'change').and.callFake(function() { expect(scope.foo).toBe('baz'); });
$compile('<div ui-codemirror ng-model="foo" ng-change="change()"></div>')(scope);
// change shouldn't be called initialy
expect(scope.change).not.toHaveBeenCalled();
// change shouldn't be called when the value change is coming from the model.
scope.$apply('foo = "bar"');
expect(scope.change).not.toHaveBeenCalled();
// change should be called when user changes the input.
codemirror.setValue('baz');
scope.$apply();
expect(scope.change.calls.count()).toBe(1);
expect(scope.change).toHaveBeenCalledWith();
});
it('should runs the onLoad callback', function() {
scope.codemirrorLoaded = jasmine.createSpy('scope.codemirrorLoaded');
$compile('<div ui-codemirror="{onLoad: codemirrorLoaded}"></div>')(scope);
expect(scope.codemirrorLoaded).toHaveBeenCalled();
expect(scope.codemirrorLoaded).toHaveBeenCalledWith(codemirror);
});
it('responds to the $broadcast event "CodeMirror"', function() {
var broadcast = {};
broadcast.callback = jasmine.createSpy('broadcast.callback');
$compile('<div ui-codemirror></div>')(scope);
scope.$broadcast('CodeMirror', broadcast.callback);
expect(broadcast.callback).toHaveBeenCalled();
expect(broadcast.callback).toHaveBeenCalledWith(codemirror);
});
it('should watch the options (attribute directive)', function() {
scope.cmOption = { readOnly: true };
$compile('<div ui-codemirror="cmOption"></div>')(scope);
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeTruthy();
scope.cmOption.readOnly = false;
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeFalsy();
});
it('should watch the options (element directive)', function() {
scope.cmOption = { readOnly: true };
$compile('<ui-codemirror ui-codemirror-opts="cmOption"></div>')(scope);
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeTruthy();
scope.cmOption.readOnly = false;
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeFalsy();
});
it('should watch the options (object property)', function() {
scope.cm = {};
scope.cm.option = { readOnly: true };
$compile('<div ui-codemirror="cm.option"></div>')(scope);
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeTruthy();
scope.cm.option.readOnly = false;
scope.$digest();
expect(codemirror.getOption('readOnly')).toBeFalsy();
});
});
it('when the model is an object or an array should throw an error', function() {
function compileWithObject() {
$compile('<div ui-codemirror ng-model="foo"></div>')(scope);
scope.foo = {};
scope.$apply();
}
function compileWithArray() {
$compile('<div ui-codemirror ng-model="foo"></div>')(scope);
scope.foo = [];
scope.$apply();
}
expect(compileWithObject).toThrow();
expect(compileWithArray).toThrow();
});
});