340 lines
13 KiB
TypeScript
340 lines
13 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {AbsoluteSourceSpan} from '@angular/compiler';
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import {humanizeExpressionSource} from './util/expression';
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import {parseR3 as parse} from './view/util';
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describe('expression AST absolute source spans', () => {
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// TODO(ayazhafiz): duplicate this test without `preserveWhitespaces` once whitespace rewriting is
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// moved to post-R3AST generation.
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it('should provide absolute offsets with arbitrary whitespace', () => {
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expect(humanizeExpressionSource(
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parse('<div>\n \n{{foo}}</div>', {preserveWhitespaces: true}).nodes))
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.toContain(['\n \n{{ foo }}', new AbsoluteSourceSpan(5, 16)]);
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});
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it('should provide absolute offsets of an expression in a bound text', () => {
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expect(humanizeExpressionSource(parse('<div>{{foo}}</div>').nodes)).toContain([
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'{{ foo }}', new AbsoluteSourceSpan(5, 12)
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]);
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});
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it('should provide absolute offsets of an expression in a bound event', () => {
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expect(humanizeExpressionSource(parse('<div (click)="foo();bar();"></div>').nodes)).toContain([
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'foo(); bar();', new AbsoluteSourceSpan(14, 26)
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]);
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expect(humanizeExpressionSource(parse('<div on-click="foo();bar();"></div>').nodes)).toContain([
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'foo(); bar();', new AbsoluteSourceSpan(15, 27)
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]);
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});
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it('should provide absolute offsets of an expression in a bound attribute', () => {
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expect(humanizeExpressionSource(parse('<input [disabled]="condition ? true : false" />').nodes))
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.toContain(['condition ? true : false', new AbsoluteSourceSpan(19, 43)]);
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expect(
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humanizeExpressionSource(parse('<input bind-disabled="condition ? true : false" />').nodes))
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.toContain(['condition ? true : false', new AbsoluteSourceSpan(22, 46)]);
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});
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it('should provide absolute offsets of an expression in a template attribute', () => {
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expect(humanizeExpressionSource(parse('<div *ngIf="value | async"></div>').nodes)).toContain([
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'(value | async)', new AbsoluteSourceSpan(12, 25)
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]);
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});
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describe('binary expression', () => {
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it('should provide absolute offsets of a binary expression', () => {
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expect(humanizeExpressionSource(parse('<div>{{1 + 2}}<div>').nodes)).toContain([
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'1 + 2', new AbsoluteSourceSpan(7, 12)
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]);
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});
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it('should provide absolute offsets of expressions in a binary expression', () => {
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expect(humanizeExpressionSource(parse('<div>{{1 + 2}}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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// TODO(ayazhafiz): The expression parser includes an extra whitespace on a expressions
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// with trailing whitespace in a binary expression. Look into fixing this.
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['1', new AbsoluteSourceSpan(7, 9)],
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['2', new AbsoluteSourceSpan(11, 12)],
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]));
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});
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});
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describe('conditional', () => {
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it('should provide absolute offsets of a conditional', () => {
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expect(humanizeExpressionSource(parse('<div>{{bool ? 1 : 0}}<div>').nodes)).toContain([
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'bool ? 1 : 0', new AbsoluteSourceSpan(7, 19)
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]);
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});
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it('should provide absolute offsets of expressions in a conditional', () => {
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expect(humanizeExpressionSource(parse('<div>{{bool ? 1 : 0}}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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// TODO(ayazhafiz): The expression parser includes an extra whitespace on a expressions
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// with trailing whitespace in a conditional expression. Look into fixing this.
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['bool', new AbsoluteSourceSpan(7, 12)],
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['1', new AbsoluteSourceSpan(14, 16)],
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['0', new AbsoluteSourceSpan(18, 19)],
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]));
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});
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});
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describe('chain', () => {
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it('should provide absolute offsets of a chain', () => {
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expect(humanizeExpressionSource(parse('<div (click)="a(); b();"><div>').nodes)).toContain([
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'a(); b();', new AbsoluteSourceSpan(14, 23)
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]);
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});
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it('should provide absolute offsets of expressions in a chain', () => {
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expect(humanizeExpressionSource(parse('<div (click)="a(); b();"><div>').nodes))
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.toEqual(jasmine.arrayContaining([
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['a()', new AbsoluteSourceSpan(14, 17)],
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['b()', new AbsoluteSourceSpan(19, 22)],
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]));
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});
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});
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describe('function call', () => {
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it('should provide absolute offsets of a function call', () => {
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expect(humanizeExpressionSource(parse('<div>{{fn()()}}<div>').nodes)).toContain([
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'fn()()', new AbsoluteSourceSpan(7, 13)
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]);
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});
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it('should provide absolute offsets of expressions in a function call', () => {
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expect(humanizeExpressionSource(parse('<div>{{fn()(param)}}<div>').nodes)).toContain([
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'param', new AbsoluteSourceSpan(12, 17)
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]);
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});
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});
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it('should provide absolute offsets of an implicit receiver', () => {
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expect(humanizeExpressionSource(parse('<div>{{a.b}}<div>').nodes)).toContain([
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'', new AbsoluteSourceSpan(7, 7)
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]);
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});
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describe('interpolation', () => {
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it('should provide absolute offsets of an interpolation', () => {
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expect(humanizeExpressionSource(parse('<div>{{1 + foo.length}}<div>').nodes)).toContain([
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'{{ 1 + foo.length }}', new AbsoluteSourceSpan(5, 23)
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]);
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});
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it('should provide absolute offsets of expressions in an interpolation', () => {
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expect(humanizeExpressionSource(parse('<div>{{1 + 2}}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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// TODO(ayazhafiz): The expression parser includes an extra whitespace on a expressions
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// with trailing whitespace in a conditional expression. Look into fixing this.
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['1', new AbsoluteSourceSpan(7, 9)],
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['2', new AbsoluteSourceSpan(11, 12)],
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]));
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});
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});
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describe('keyed read', () => {
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it('should provide absolute offsets of a keyed read', () => {
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expect(humanizeExpressionSource(parse('<div>{{obj[key]}}<div>').nodes)).toContain([
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'obj[key]', new AbsoluteSourceSpan(7, 15)
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]);
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});
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it('should provide absolute offsets of expressions in a keyed read', () => {
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expect(humanizeExpressionSource(parse('<div>{{obj[key]}}<div>').nodes)).toContain([
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'key', new AbsoluteSourceSpan(11, 14)
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]);
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});
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});
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describe('keyed write', () => {
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it('should provide absolute offsets of a keyed write', () => {
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expect(humanizeExpressionSource(parse('<div>{{obj[key] = 0}}<div>').nodes)).toContain([
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'obj[key] = 0', new AbsoluteSourceSpan(7, 19)
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]);
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});
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it('should provide absolute offsets of expressions in a keyed write', () => {
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expect(humanizeExpressionSource(parse('<div>{{obj[key] = 0}}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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['key', new AbsoluteSourceSpan(11, 14)],
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['0', new AbsoluteSourceSpan(18, 19)],
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]));
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});
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});
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it('should provide absolute offsets of a literal primitive', () => {
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expect(humanizeExpressionSource(parse('<div>{{100}}<div>').nodes)).toContain([
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'100', new AbsoluteSourceSpan(7, 10)
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]);
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});
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describe('literal array', () => {
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it('should provide absolute offsets of a literal array', () => {
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expect(humanizeExpressionSource(parse('<div>{{[0, 1, 2]}}<div>').nodes)).toContain([
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'[0, 1, 2]', new AbsoluteSourceSpan(7, 16)
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]);
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});
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it('should provide absolute offsets of expressions in a literal array', () => {
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expect(humanizeExpressionSource(parse('<div>{{[0, 1, 2]}}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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['0', new AbsoluteSourceSpan(8, 9)],
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['1', new AbsoluteSourceSpan(11, 12)],
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['2', new AbsoluteSourceSpan(14, 15)],
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]));
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});
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});
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describe('literal map', () => {
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it('should provide absolute offsets of a literal map', () => {
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expect(humanizeExpressionSource(parse('<div>{{ {a: 0} }}<div>').nodes)).toContain([
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// TODO(ayazhafiz): The expression parser includes an extra whitespace on a expressions
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// with trailing whitespace in a literal map. Look into fixing this.
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'{a: 0}', new AbsoluteSourceSpan(8, 15)
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]);
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});
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it('should provide absolute offsets of expressions in a literal map', () => {
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expect(humanizeExpressionSource(parse('<div>{{ {a: 0} }}<div>').nodes))
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.toEqual(jasmine.arrayContaining([
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['0', new AbsoluteSourceSpan(12, 13)],
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]));
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});
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});
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describe('method call', () => {
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it('should provide absolute offsets of a method call', () => {
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expect(humanizeExpressionSource(parse('<div>{{method()}}</div>').nodes)).toContain([
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'method()', new AbsoluteSourceSpan(7, 15)
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]);
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});
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it('should provide absolute offsets of expressions in a method call', () => {
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expect(humanizeExpressionSource(parse('<div>{{method(param)}}<div>').nodes)).toContain([
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'param', new AbsoluteSourceSpan(14, 19)
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]);
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});
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});
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describe('non-null assert', () => {
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it('should provide absolute offsets of a non-null assert', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop!}}</div>').nodes)).toContain([
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'prop!', new AbsoluteSourceSpan(7, 12)
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]);
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});
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it('should provide absolute offsets of expressions in a non-null assert', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop!}}<div>').nodes)).toContain([
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'prop', new AbsoluteSourceSpan(7, 11)
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]);
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});
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});
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describe('pipe', () => {
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it('should provide absolute offsets of a pipe', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop | pipe}}<div>').nodes)).toContain([
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'(prop | pipe)', new AbsoluteSourceSpan(7, 18)
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]);
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});
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it('should provide absolute offsets expressions in a pipe', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop | pipe}}<div>').nodes)).toContain([
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// TODO(ayazhafiz): The expression parser includes an extra whitespace on a expressions
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// with trailing whitespace in a pipe. Look into fixing this.
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'prop', new AbsoluteSourceSpan(7, 12)
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]);
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});
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});
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it('should provide absolute offsets of a property read', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop}}</div>').nodes)).toContain([
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'prop', new AbsoluteSourceSpan(7, 11)
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]);
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});
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describe('property write', () => {
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it('should provide absolute offsets of a property write', () => {
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expect(humanizeExpressionSource(parse('<div (click)="prop = 0"></div>').nodes)).toContain([
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'prop = 0', new AbsoluteSourceSpan(14, 22)
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]);
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});
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it('should provide absolute offsets of expressions in a property write', () => {
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expect(humanizeExpressionSource(parse('<div (click)="prop = 0"></div>').nodes)).toContain([
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'0', new AbsoluteSourceSpan(21, 22)
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]);
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});
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});
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describe('"not" prefix', () => {
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it('should provide absolute offsets of a "not" prefix', () => {
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expect(humanizeExpressionSource(parse('<div>{{!prop}}</div>').nodes)).toContain([
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'!prop', new AbsoluteSourceSpan(7, 12)
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]);
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});
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it('should provide absolute offsets of expressions in a "not" prefix', () => {
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expect(humanizeExpressionSource(parse('<div>{{!prop}}<div>').nodes)).toContain([
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'prop', new AbsoluteSourceSpan(8, 12)
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]);
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});
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});
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describe('safe method call', () => {
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it('should provide absolute offsets of a safe method call', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop?.safe()}}<div>').nodes)).toContain([
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'prop?.safe()', new AbsoluteSourceSpan(7, 19)
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]);
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});
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it('should provide absolute offsets of expressions in safe method call', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop?.safe()}}<div>').nodes)).toContain([
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'prop', new AbsoluteSourceSpan(7, 11)
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]);
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});
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});
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describe('safe property read', () => {
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it('should provide absolute offsets of a safe property read', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop?.safe}}<div>').nodes)).toContain([
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'prop?.safe', new AbsoluteSourceSpan(7, 17)
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]);
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});
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it('should provide absolute offsets of expressions in safe property read', () => {
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expect(humanizeExpressionSource(parse('<div>{{prop?.safe}}<div>').nodes)).toContain([
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'prop', new AbsoluteSourceSpan(7, 11)
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]);
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});
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});
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it('should provide absolute offsets of a quote', () => {
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expect(humanizeExpressionSource(parse('<div [prop]="a:b"></div>').nodes)).toContain([
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'a:b', new AbsoluteSourceSpan(13, 16)
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]);
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});
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describe('absolute offsets for template expressions', () => {
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it('should work for simple cases', () => {
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expect(
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humanizeExpressionSource(parse('<div *ngFor="let item of items">{{item}}</div>').nodes))
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.toContain(['items', new AbsoluteSourceSpan(25, 30)]);
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});
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it('should work with multiple bindings', () => {
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expect(humanizeExpressionSource(parse('<div *ngFor="let a of As; let b of Bs"></div>').nodes))
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.toEqual(jasmine.arrayContaining(
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[['As', new AbsoluteSourceSpan(22, 24)], ['Bs', new AbsoluteSourceSpan(35, 37)]]));
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});
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});
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});
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