playwright/tests/library/component-parser.spec.ts

160 lines
7.4 KiB
TypeScript

/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { playwrightTest as it, expect } from '../config/browserTest';
import type { AttributeSelector } from '../../packages/playwright-core/src/utils/isomorphic/selectorParser';
import { parseAttributeSelector } from '../../packages/playwright-core/lib/utils/isomorphic/selectorParser';
const parse = (selector: string) => parseAttributeSelector(selector, false);
const serialize = (parsed: AttributeSelector) => {
return parsed.name + parsed.attributes.map(attr => {
const path = attr.jsonPath.map(token => /^[a-zA-Z0-9]+$/i.test(token) ? token : JSON.stringify(token)).join('.');
if (attr.op === '<truthy>')
return '[' + path + ']';
const value = attr.value instanceof RegExp ? attr.value.toString() : JSON.stringify(attr.value);
return '[' + path + ' ' + attr.op + ' ' + value + (attr.caseSensitive ? ']' : ' i]');
}).join('');
};
function expectError(selector: string) {
let error = { message: '' };
try {
parse(selector);
} catch (e) {
error = e;
}
expect(error.message).toContain(`while parsing selector \`${selector}\``);
}
it('should parse', async () => {
expect(serialize(parse('[foo="]"]'))).toBe('[foo = "]"]');
expect(serialize(parse('[foo="10"s]'))).toBe('[foo = "10"]');
expect(serialize(parse('[foo="10" s]'))).toBe('[foo = "10"]');
expect(serialize(parse('[foo="true"]'))).toBe('[foo = "true"]');
expect(serialize(parse('[foo=""]'))).toBe('[foo = ""]');
expect(serialize(parse('[foo="=="]'))).toBe('[foo = "=="]');
});
it('should parse short attributes', async () => {
expect(serialize(parse(`BookItem [ name ]`))).toBe('BookItem[name]');
expect(serialize(parse(`BookItem ['name' ] [ foo."bar".baz ]`))).toBe('BookItem[name][foo.bar.baz]');
expect(serialize(parse(`BookItem ['na me' ]`))).toBe('BookItem["na me"]');
});
it('should parse all operators', async () => {
expect(serialize(parse(`BookItem[name = 10]`))).toBe('BookItem[name = 10]');
expect(serialize(parse(`BookItem[name = 'foo']`))).toBe(`BookItem[name = "foo"]`);
expect(serialize(parse(`BookItem[name *= 'foo']`))).toBe(`BookItem[name *= "foo"]`);
expect(serialize(parse(`BookItem[name ^= 'foo']`))).toBe(`BookItem[name ^= "foo"]`);
expect(serialize(parse(`BookItem[name $= 'foo']`))).toBe(`BookItem[name $= "foo"]`);
expect(serialize(parse(`BookItem[name ~= 'foo']`))).toBe(`BookItem[name ~= "foo"]`);
expect(serialize(parse(`BookItem[name |= 'foo']`))).toBe(`BookItem[name |= "foo"]`);
});
it('should tolerate spacing', async () => {
expect(serialize(parse(` BookItem[ name = "Foo " ]`))).toBe('BookItem[name = "Foo "]');
expect(serialize(parse(` BookItem [ name = "Foo" ] `))).toBe('BookItem[name = "Foo"]');
expect(serialize(parse(` [ name = "Foo"]`))).toBe('[name = "Foo"]');
expect(serialize(parse(` BookItem ["name" = "Foo" i] `))).toBe('BookItem[name = "Foo" i]');
expect(serialize(parse(`BookItem [ 'name' = 'Foo'i ] `))).toBe('BookItem[name = "Foo" i]');
});
it('should escape', async () => {
expect(serialize(parse(`BookItem['jake\\'s' = 10]`))).toBe(`BookItem["jake's" = 10]`);
expect(serialize(parse(`BookItem['jake"s' = 10]`))).toBe(`BookItem["jake\\"s" = 10]`);
expect(serialize(parse(`BookItem["jake\\"s" = 10]`))).toBe(`BookItem["jake\\"s" = 10]`);
expect(serialize(parse(`BookItem[name = 'foo\\'bar']`))).toBe(`BookItem[name = "foo'bar"]`);
expect(serialize(parse(`BookItem[name = "foo'bar"]`))).toBe(`BookItem[name = "foo'bar"]`);
expect(serialize(parse(`BookItem[name = "foo\\"bar"]`))).toBe(`BookItem[name = "foo\\"bar"]`);
});
it('should parse int values', async () => {
expect(serialize(parse(`ColorButton[value = 10]`))).toBe('ColorButton[value = 10]');
expect(serialize(parse(`ColorButton[value = +10]`))).toBe('ColorButton[value = 10]');
expect(serialize(parse(`ColorButton[value = -10]`))).toBe('ColorButton[value = -10]');
expect(serialize(parse(`ColorButton [ "nested". "index" = 0 ] `))).toBe('ColorButton[nested.index = 0]');
});
it('should parse float values', async () => {
expect(serialize(parse(`ColorButton[value = -12.3]`))).toBe('ColorButton[value = -12.3]');
expect(serialize(parse(`ColorButton ['nested'.value = 4.1]`))).toBe('ColorButton[nested.value = 4.1]');
expect(serialize(parse(`ColorButton [ 'nested' .value =4.1]`))).toBe('ColorButton[nested.value = 4.1]');
});
it('should parse bool', async () => {
expect(serialize(parse(`ColorButton[enabled= false] `))).toBe('ColorButton[enabled = false]');
expect(serialize(parse(`ColorButton[enabled =true] `))).toBe('ColorButton[enabled = true]');
expect(serialize(parse(`ColorButton[enabled =true][ color = "red"]`))).toBe('ColorButton[enabled = true][color = "red"]');
expect(serialize(parse(`ColorButton[ enabled =true][ color = "red"i][nested.index = 6]`))).toBe('ColorButton[enabled = true][color = "red" i][nested.index = 6]');
});
it('should parse regex', async () => {
expect(serialize(parse(`ColorButton[color = /red$/]`))).toBe('ColorButton[color = /red$/]');
expect(serialize(parse(`ColorButton[color=/red/ig]`))).toBe('ColorButton[color = /red/gi]');
expect(serialize(parse(`ColorButton[color= / \\/ [/]/ ]`))).toBe('ColorButton[color = / \\/ [/]/]');
expect(serialize(parse(`ColorButton[color=/[\\]/][[/]/]`))).toBe('ColorButton[color = /[\\]/][[/]/]');
});
it('should parse identifiers', async () => {
expect(serialize(parse('[привет=true]'))).toBe('["привет" = true]');
expect(serialize(parse('[__-__=true]'))).toBe('["__-__" = true]');
expect(serialize(parse('[😀=true]'))).toBe('["😀" = true]');
});
it('should parse unquoted string', async () => {
expect(serialize(parseAttributeSelector('[hey=foo]', true))).toBe('[hey = "foo"]');
expect(serialize(parseAttributeSelector('[yay=and😀more]', true))).toBe('[yay = "and😀more"]');
expect(serialize(parseAttributeSelector('[yay= trims ]', true))).toBe('[yay = "trims"]');
});
it('should throw on malformed selector', async () => {
expectError('foo[');
expectError('foo[');
expectError('foo["asd');
expectError('foo["asd"');
expectError('foo["asd"');
expectError('foo[.bar=10]');
expectError('foo[bar **= 10]');
expectError('foo[bar == 10]');
expectError('foo[bar = 10 [baz=20]');
expectError('foo[bar = 10 i[baz=20]');
expectError('foo[bar *= #%s]');
expectError('foo[bar *= 10]');
expectError('');
expectError('[foo=10 s]');
expectError('[foo=10 p]');
expectError('foo.bar');
expectError('foo[]');
expectError('["a\"b"=foo]');
expectError('[foo=10"bar"]');
expectError('[foo= ==]');
expectError('[foo===]');
expectError('[foo="\"]"[]');
expectError('[foo=abc S]');
expectError('[foo=abc \s]');
expectError('[foo=abc"\s"]');
expectError('[foo="\\"]');
expectError('[foo s]');
expectError('[foo*=/bar/]');
expectError('[foo=/bar/ s]');
expectError('[foo=/bar//]');
expectError('[foo=/bar/pt]');
expectError('[foo=/[\\]/');
});