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'use strict';
describe('$interpolate', function() {
it('should return a function when there are no bindings and textOnly is undefined',
inject(function($interpolate) {
expect(typeof $interpolate('some text')).toBe('function');
}));
it('should return undefined when there are no bindings and textOnly is set to true',
inject(function($interpolate) {
expect($interpolate('some text', true)).toBeUndefined();
}));
it('should suppress falsy objects', inject(function($interpolate) {
expect($interpolate('{{undefined}}')()).toEqual('');
expect($interpolate('{{undefined+undefined}}')()).toEqual('');
expect($interpolate('{{null}}')()).toEqual('');
expect($interpolate('{{a.b}}')()).toEqual('');
}));
it('should jsonify objects', inject(function($interpolate) {
expect($interpolate('{{ {} }}')()).toEqual('{}');
expect($interpolate('{{ true }}')()).toEqual('true');
expect($interpolate('{{ false }}')()).toEqual('false');
}));
it('should rethrow exceptions', inject(function($interpolate, $rootScope) {
$rootScope.err = function () {
throw new Error('oops');
};
expect(function () {
$interpolate('{{err()}}')($rootScope);
}).toThrow('Error while interpolating: {{err()}}\nError: oops');
}));
it('should stop interpolation when encountering an exception', inject(function($interpolate, $compile, $rootScope) {
$rootScope.err = function () {
throw new Error('oops');
};
var dom = jqLite('<div>{{1 + 1}}</div><div>{{err()}}</div><div>{{1 + 2}}</div>');
$compile(dom)($rootScope);
expect(function () {
$rootScope.$apply();
}).toThrow('Error while interpolating: {{err()}}\nError: oops');
expect(dom[0].innerHTML).toEqual('2');
expect(dom[1].innerHTML).toEqual('{{err()}}');
expect(dom[2].innerHTML).toEqual('{{1 + 2}}');
}));
it('should return interpolation function', inject(function($interpolate, $rootScope) {
$rootScope.name = 'Misko';
expect($interpolate('Hello {{name}}!')($rootScope)).toEqual('Hello Misko!');
}));
it('should ignore undefined model', inject(function($interpolate) {
expect($interpolate("Hello {{'World' + foo}}")()).toEqual('Hello World');
}));
it('should ignore undefined return value', inject(function($interpolate, $rootScope) {
$rootScope.foo = function() {return undefined};
expect($interpolate("Hello {{'World' + foo()}}")($rootScope)).toEqual('Hello World');
}));
describe('provider', function() {
beforeEach(module(function($interpolateProvider) {
$interpolateProvider.startSymbol('--');
$interpolateProvider.endSymbol('--');
}));
it('should not get confused with same markers', inject(function($interpolate) {
expect($interpolate('---').parts).toEqual(['---']);
expect($interpolate('----')()).toEqual('');
expect($interpolate('--1--')()).toEqual('1');
}));
});
describe('parseBindings', function() {
it('should Parse Text With No Bindings', inject(function($interpolate) {
var parts = $interpolate("a").parts;
expect(parts.length).toEqual(1);
expect(parts[0]).toEqual("a");
}));
it('should Parse Empty Text', inject(function($interpolate) {
var parts = $interpolate("").parts;
expect(parts.length).toEqual(1);
expect(parts[0]).toEqual("");
}));
it('should Parse Inner Binding', inject(function($interpolate) {
var parts = $interpolate("a{{b}}C").parts;
expect(parts.length).toEqual(3);
expect(parts[0]).toEqual("a");
expect(parts[1].exp).toEqual("b");
expect(parts[1]({b:123})).toEqual(123);
expect(parts[2]).toEqual("C");
}));
it('should Parse Ending Binding', inject(function($interpolate) {
var parts = $interpolate("a{{b}}").parts;
expect(parts.length).toEqual(2);
expect(parts[0]).toEqual("a");
expect(parts[1].exp).toEqual("b");
expect(parts[1]({b:123})).toEqual(123);
}));
it('should Parse Begging Binding', inject(function($interpolate) {
var parts = $interpolate("{{b}}c").parts;
expect(parts.length).toEqual(2);
expect(parts[0].exp).toEqual("b");
expect(parts[1]).toEqual("c");
}));
it('should Parse Loan Binding', inject(function($interpolate) {
var parts = $interpolate("{{b}}").parts;
expect(parts.length).toEqual(1);
expect(parts[0].exp).toEqual("b");
}));
it('should Parse Two Bindings', inject(function($interpolate) {
var parts = $interpolate("{{b}}{{c}}").parts;
expect(parts.length).toEqual(2);
expect(parts[0].exp).toEqual("b");
expect(parts[1].exp).toEqual("c");
}));
it('should Parse Two Bindings With Text In Middle', inject(function($interpolate) {
var parts = $interpolate("{{b}}x{{c}}").parts;
expect(parts.length).toEqual(3);
expect(parts[0].exp).toEqual("b");
expect(parts[1]).toEqual("x");
expect(parts[2].exp).toEqual("c");
}));
it('should Parse Multiline', inject(function($interpolate) {
var parts = $interpolate('"X\nY{{A\n+B}}C\nD"').parts;
expect(parts.length).toEqual(3);
expect(parts[0]).toEqual('"X\nY');
expect(parts[1].exp).toEqual('A\n+B');
expect(parts[2]).toEqual('C\nD"');
}));
});
describe('startSymbol', function() {
beforeEach(module(function($interpolateProvider) {
expect($interpolateProvider.startSymbol()).toBe('{{');
$interpolateProvider.startSymbol('((');
}));
it('should expose the startSymbol in config phase', module(function($interpolateProvider) {
expect($interpolateProvider.startSymbol()).toBe('((');
}));
it('should expose the startSymbol in run phase', inject(function($interpolate) {
expect($interpolate.startSymbol()).toBe('((');
}));
it('should not get confused by matching start and end symbols', function() {
module(function($interpolateProvider) {
$interpolateProvider.startSymbol('--');
$interpolateProvider.endSymbol('--');
});
inject(function($interpolate) {
expect($interpolate('---').parts).toEqual(['---']);
expect($interpolate('----')()).toEqual('');
expect($interpolate('--1--')()).toEqual('1');
});
});
});
describe('endSymbol', function() {
beforeEach(module(function($interpolateProvider) {
expect($interpolateProvider.endSymbol()).toBe('}}');
$interpolateProvider.endSymbol('))');
}));
it('should expose the endSymbol in config phase', module(function($interpolateProvider) {
expect($interpolateProvider.endSymbol()).toBe('))');
}));
it('should expose the endSymbol in run phase', inject(function($interpolate) {
expect($interpolate.endSymbol()).toBe('))');
}));
});
});
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