82 lines
2.1 KiB
JavaScript
82 lines
2.1 KiB
JavaScript
var test = require('tape');
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var evaluate = require('../');
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var parse = require('esprima').parse;
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test('resolved', function (t) {
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t.plan(1);
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var src = '[1,2,3+4*10+(n||6),foo(3+5),obj[""+"x"].y]';
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var ast = parse(src).body[0].expression;
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var res = evaluate(ast, {
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n: false,
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foo: function (x) { return x * 100 },
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obj: { x: { y: 555 } }
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});
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t.deepEqual(res, [ 1, 2, 49, 800, 555 ]);
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});
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test('unresolved', function (t) {
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t.plan(1);
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var src = '[1,2,3+4*10*z+n,foo(3+5),obj[""+"x"].y]';
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var ast = parse(src).body[0].expression;
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var res = evaluate(ast, {
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n: 6,
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foo: function (x) { return x * 100 },
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obj: { x: { y: 555 } }
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});
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t.equal(res, undefined);
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});
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test('boolean', function (t) {
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t.plan(1);
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var src = '[ 1===2+3-16/4, [2]==2, [2]!==2, [2]!==[2] ]';
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var ast = parse(src).body[0].expression;
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t.deepEqual(evaluate(ast), [ true, true, true, true ]);
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});
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test('array methods', function(t) {
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t.plan(1);
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var src = '[1, 2, 3].map(function(n) { return n * 2 })';
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var ast = parse(src).body[0].expression;
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t.deepEqual(evaluate(ast), [2, 4, 6]);
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});
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test('array methods with vars', function(t) {
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t.plan(1);
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var src = '[1, 2, 3].map(function(n) { return n * x })';
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var ast = parse(src).body[0].expression;
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t.deepEqual(evaluate(ast, {x: 2}), [2, 4, 6]);
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});
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test('evaluate this', function(t) {
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t.plan(1);
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var src = 'this.x + this.y.z';
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var ast = parse(src).body[0].expression;
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var res = evaluate(ast, {
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'this': { x: 1, y: { z: 100 } }
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});
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t.equal(res, 101);
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});
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test('FunctionExpression unresolved', function(t) {
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t.plan(1);
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var src = '(function(){console.log("Not Good")})';
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var ast = parse(src).body[0].expression;
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var res = evaluate(ast, {});
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t.equal(res, undefined);
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});
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test('MemberExpressions from Functions unresolved', function(t) {
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t.plan(1);
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var src = '(function () {}).constructor';
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var ast = parse(src).body[0].expression;
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var res = evaluate(ast, {});
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t.equal(res, undefined);
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}); |