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/*global beforeEach, afterEach, describe, it, inject, expect, module, spyOn, CodeMirror, angular, $*/
/**
* TODO Test all the CodeMirror events : cursorActivity viewportChange gutterClick focus blur scroll update.
* with <textarea ui-codemirror="{onChange: doChange ,onCursorActivity: doSomething}" ng-model="foo">
*
*/
describe('uiCodemirror', function () {
'use strict';
// declare these up here to be global to all tests
var scope, $compile, $timeout, uiConfig = angular.module('ui.config');
beforeEach(module('ui.directives'));
beforeEach(function () {
uiConfig.value('ui.config', {codemirror: {bar: 'baz'}});
});
// inject in angular constructs. Injector knows about leading/trailing underscores and does the right thing
// otherwise, you would need to inject these into each test
beforeEach(inject(function (_$rootScope_, _$compile_, _$timeout_) {
scope = _$rootScope_.$new();
$compile = _$compile_;
$timeout = _$timeout_;
}));
afterEach(function () {
uiConfig.value('ui.config', {}); // cleanup
});
describe('compiling this directive', function () {
it('should throw an error if used against a non-textarea', function () {
function compile() {
$compile('<div ui-codemirror ng-model="foo"></div>')(scope);
}
expect(compile).toThrow();
});
it('should not throw an error when used against a textarea', function () {
function compile() {
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
}
expect(compile).not.toThrow();
});
it('should throw an error when no ngModel attribute defined', function () {
function compile() {
$compile('<textarea ui-codemirror></textarea>')(scope);
}
expect(compile).toThrow();
});
it('should watch the uiCodemirror attribute', function () {
spyOn(scope, '$watch');
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
$timeout.flush();
expect(scope.$watch).toHaveBeenCalled();
});
});
describe('while spying on the CodeMirror instance', function () {
var codemirror;
beforeEach(function () {
var fromTextArea = CodeMirror.fromTextArea;
spyOn(CodeMirror, 'fromTextArea').andCallFake(function () {
codemirror = fromTextArea.apply(this, arguments);
return codemirror;
});
});
describe('verify the directive options', function () {
it('should include the passed options', function () {
$compile('<textarea ui-codemirror="{oof: \'baar\'}" ng-model="foo"></textarea>')(scope);
$timeout.flush();
expect(CodeMirror.fromTextArea.mostRecentCall.args[1].oof).toEqual("baar");
});
it('should include the default options', function () {
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
$timeout.flush();
expect(CodeMirror.fromTextArea.mostRecentCall.args[1].bar).toEqual('baz');
});
});
describe('when uiRefresh is added', function () {
it('should trigger the CodeMirror.refresh() method', function () {
$compile('<textarea ui-codemirror ng-model="foo" ui-refresh="bar"></textarea>')(scope);
$timeout.flush();
spyOn(codemirror, 'refresh');
scope.$apply('bar = true');
$timeout.flush();
expect(codemirror.refresh).toHaveBeenCalled();
});
});
describe('when the IDE changes', function () {
it('should update the model', function () {
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
scope.$apply("foo = 'bar'");
$timeout.flush();
var value = 'baz';
codemirror.setValue(value);
expect(scope.foo).toBe(value);
});
});
describe('when the model changes', function () {
it('should update the IDE', function () {
var element = $compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
scope.foo = 'bar';
scope.$apply();
$timeout.flush();
expect(codemirror.getValue()).toBe(scope.foo);
});
});
describe('when the model is undefined/null', function () {
it('should update the IDE with an empty string', function () {
var element = $compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
scope.$apply();
$timeout.flush();
expect(scope.foo).toBe(undefined);
expect(codemirror.getValue()).toBe('');
scope.$apply('foo = "bar"');
expect(scope.foo).toBe('bar');
expect(codemirror.getValue()).toBe('bar');
scope.$apply('foo = null');
expect(scope.foo).toBe(null);
expect(codemirror.getValue()).toBe('');
});
});
});
describe('when the model is an object or an array', function () {
it('should throw an error', function () {
function compileWithObject() {
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
$timeout.flush();
scope.foo = {};
scope.$apply();
}
function compileWithArray() {
$compile('<textarea ui-codemirror ng-model="foo"></textarea>')(scope);
$timeout.flush();
scope.foo = [];
scope.$apply();
}
expect(compileWithObject).toThrow();
expect(compileWithArray).toThrow();
});
});
});
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