angular-cn/modules/change_detection/test/parser/parser_spec.js

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import {ddescribe, describe, it, expect, beforeEach} from 'test_lib/test_lib';
import {Parser} from 'change_detection/parser/parser';
import {Lexer} from 'change_detection/parser/lexer';
import {ClosureMap} from 'change_detection/parser/closure_map';
class TestData {
constructor(a) {
this.a = a;
}
}
export function main() {
function td({a}) {
return new TestData(a);
}
describe("parser", () => {
describe("field access", () => {
var parser;
beforeEach(() => {
parser = new Parser(new Lexer(), new ClosureMap());
});
it("should parse field access",() => {
var exp = parser.parse("a");
var context = td({a: 999});
expect(exp.eval(context)).toEqual(999);
});
it("should parse nested field access",() => {
var exp = parser.parse("a.a");
var context = td({a: td({a: 999})});
expect(exp.eval(context)).toEqual(999);
});
});
});
}