133 lines
3.9 KiB
TypeScript
133 lines
3.9 KiB
TypeScript
import {ddescribe, describe, it, xit, iit, expect, beforeEach} from 'angular2/test_lib';
|
|
|
|
import {
|
|
AST,
|
|
ASTWithSource,
|
|
AccessMember,
|
|
Assignment,
|
|
Binary,
|
|
Chain,
|
|
Conditional,
|
|
EmptyExpr,
|
|
If,
|
|
BindingPipe,
|
|
ImplicitReceiver,
|
|
Interpolation,
|
|
KeyedAccess,
|
|
LiteralArray,
|
|
LiteralMap,
|
|
LiteralPrimitive,
|
|
MethodCall,
|
|
PrefixNot,
|
|
SafeAccessMember,
|
|
SafeMethodCall
|
|
} from 'angular2/src/change_detection/parser/ast';
|
|
|
|
import {Parser} from 'angular2/src/change_detection/parser/parser';
|
|
import {Lexer} from 'angular2/src/change_detection/parser/lexer';
|
|
import {Unparser} from './unparser';
|
|
|
|
import {reflector} from 'angular2/src/reflection/reflection';
|
|
|
|
import {isPresent, Type} from 'angular2/src/facade/lang';
|
|
|
|
export function main() {
|
|
let parser: Parser = new Parser(new Lexer(), reflector);
|
|
let unparser: Unparser = new Unparser();
|
|
|
|
function parseAction(text, location = null): ASTWithSource {
|
|
return parser.parseAction(text, location);
|
|
}
|
|
|
|
function parseBinding(text, location = null): ASTWithSource {
|
|
return parser.parseBinding(text, location);
|
|
}
|
|
|
|
function check(expression: string, type: Type): void {
|
|
var ast = parseAction(expression).ast;
|
|
if (isPresent(type)) {
|
|
expect(ast).toBeAnInstanceOf(type);
|
|
}
|
|
expect(unparser.unparse(ast)).toEqual(expression);
|
|
}
|
|
|
|
describe('Unparser', () => {
|
|
it('should support AccessMember', () => {
|
|
check('a', AccessMember);
|
|
check('a.b', AccessMember);
|
|
});
|
|
|
|
it('should support Assignment', () => { check('a = b', Assignment); });
|
|
|
|
it('should support Binary', () => { check('a && b', Binary); });
|
|
|
|
it('should support Chain', () => { check('a; b;', Chain); });
|
|
|
|
it('should support Conditional', () => { check('a ? b : c', Conditional); });
|
|
|
|
it('should support Pipe', () => {
|
|
var originalExp = '(a | b)';
|
|
var ast = parseBinding(originalExp).ast;
|
|
expect(ast).toBeAnInstanceOf(BindingPipe);
|
|
expect(unparser.unparse(ast)).toEqual(originalExp);
|
|
});
|
|
|
|
it('should support KeyedAccess', () => { check('a[b]', KeyedAccess); });
|
|
|
|
it('should support LiteralArray', () => { check('[a, b]', LiteralArray); });
|
|
|
|
it('should support LiteralMap', () => { check('{a: b, c: d}', LiteralMap); });
|
|
|
|
it('should support LiteralPrimitive', () => {
|
|
check('true', LiteralPrimitive);
|
|
check('"a"', LiteralPrimitive);
|
|
check('1.234', LiteralPrimitive);
|
|
});
|
|
|
|
it('should support MethodCall', () => {
|
|
check('a(b, c)', MethodCall);
|
|
check('a.b(c, d)', MethodCall);
|
|
});
|
|
|
|
it('should support PrefixNot', () => { check('!a', PrefixNot); });
|
|
|
|
it('should support SafeAccessMember', () => { check('a?.b', SafeAccessMember); });
|
|
|
|
it('should support SafeMethodCall', () => { check('a?.b(c, d)', SafeMethodCall); });
|
|
|
|
it('should support if statements', () => {
|
|
var ifs = [
|
|
'if (true) a()',
|
|
'if (true) a() else b()',
|
|
'if (a()) { b = 1; c = 2; }',
|
|
'if (a()) b = 1 else { c = 2; d = e(); }'
|
|
];
|
|
|
|
ifs.forEach(ifStmt => check(ifStmt, If));
|
|
});
|
|
|
|
it('should support complex expression', () => {
|
|
var originalExp = 'a + 3 * fn([(c + d | e).f], {a: 3})[g].h && i';
|
|
var ast = parseBinding(originalExp).ast;
|
|
expect(unparser.unparse(ast)).toEqual(originalExp);
|
|
});
|
|
|
|
it('should support Interpolation', () => {
|
|
var ast = parser.parseInterpolation('a {{ b }}', null).ast;
|
|
expect(ast).toBeAnInstanceOf(Interpolation);
|
|
expect(unparser.unparse(ast)).toEqual('a {{ b }}');
|
|
|
|
ast = parser.parseInterpolation('a {{ b }} c', null).ast;
|
|
expect(ast).toBeAnInstanceOf(Interpolation);
|
|
expect(unparser.unparse(ast)).toEqual('a {{ b }} c');
|
|
});
|
|
|
|
it('should support EmptyExpr', () => {
|
|
var ast = parser.parseAction('if (true) { }', null).ast;
|
|
expect(ast).toBeAnInstanceOf(If);
|
|
expect((<If>ast).trueExp).toBeAnInstanceOf(EmptyExpr);
|
|
expect(unparser.unparse(ast)).toEqual('if (true) { }');
|
|
});
|
|
});
|
|
}
|