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unittests.js
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unittests.js
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define(function (require, exports, module) {
"use strict";
var Instrumenter = require('src/Instrumenter');
var sampleAst = JSON.parse(require('text!test/fixtures/sampleAst.json'));
describe('Instrumenter', function() {
it('should find the position of simple MemberExpression probes in the code', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('object.property;');
expect(instrumentedCode.probes.length).toBe(2);
// 'object'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(6);
// 'property'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(7);
expect(instrumentedCode.probes[1].loc.end.column).toBe(15);
});
it('should find the position of nested MemberExpression probes in the code', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('object.property.subproperty;');
expect(instrumentedCode.probes.length).toBe(3);
// 'object'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(6);
// 'property'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(7);
expect(instrumentedCode.probes[1].loc.end.column).toBe(15);
// 'subproperty'
expect(instrumentedCode.probes[2].loc.start.line).toBe(1);
expect(instrumentedCode.probes[2].loc.end.line).toBe(1);
expect(instrumentedCode.probes[2].loc.start.column).toBe(16);
expect(instrumentedCode.probes[2].loc.end.column).toBe(27);
});
it('should find the position of CallExpression', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('fn();');
expect(instrumentedCode.probes.length).toBe(2);
// 'fn'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(2);
// 'fn()'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(0);
expect(instrumentedCode.probes[1].loc.end.column).toBe(4);
});
it('should find the position of CallExpression with MemberExpression', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('object.property();');
expect(instrumentedCode.probes.length).toBe(3);
// 'object'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(6);
// 'property'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(7);
expect(instrumentedCode.probes[1].loc.end.column).toBe(15);
// 'object.property()'
expect(instrumentedCode.probes[2].loc.start.line).toBe(1);
expect(instrumentedCode.probes[2].loc.end.line).toBe(1);
expect(instrumentedCode.probes[2].loc.start.column).toBe(0);
expect(instrumentedCode.probes[2].loc.end.column).toBe(17);
});
it('should find the position of MemberExpression properties consisting of CallExpressionss', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('object().property;');
expect(instrumentedCode.probes.length).toBe(3);
// 'object'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(6);
// 'object()'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(0);
expect(instrumentedCode.probes[1].loc.end.column).toBe(8);
// 'property'
expect(instrumentedCode.probes[2].loc.start.line).toBe(1);
expect(instrumentedCode.probes[2].loc.end.line).toBe(1);
expect(instrumentedCode.probes[2].loc.start.column).toBe(9);
expect(instrumentedCode.probes[2].loc.end.column).toBe(17);
});
it('should find the position of nested MemberExpression properties consisting of CallExpressionss', function() {
// Simple MemberExpression
var instrumentedCode = Instrumenter.instrument('object.property().subproperty;');
expect(instrumentedCode.probes.length).toBe(4);
// 'object'
expect(instrumentedCode.probes[0].loc.start.line).toBe(1);
expect(instrumentedCode.probes[0].loc.end.line).toBe(1);
expect(instrumentedCode.probes[0].loc.start.column).toBe(0);
expect(instrumentedCode.probes[0].loc.end.column).toBe(6);
// 'property'
expect(instrumentedCode.probes[1].loc.start.line).toBe(1);
expect(instrumentedCode.probes[1].loc.end.line).toBe(1);
expect(instrumentedCode.probes[1].loc.start.column).toBe(7);
expect(instrumentedCode.probes[1].loc.end.column).toBe(15);
// object.property()
expect(instrumentedCode.probes[2].loc.start.line).toBe(1);
expect(instrumentedCode.probes[2].loc.end.line).toBe(1);
expect(instrumentedCode.probes[2].loc.start.column).toBe(0);
expect(instrumentedCode.probes[2].loc.end.column).toBe(17);
// 'subproperty'
expect(instrumentedCode.probes[3].loc.start.line).toBe(1);
expect(instrumentedCode.probes[3].loc.end.line).toBe(1);
expect(instrumentedCode.probes[3].loc.start.column).toBe(18);
expect(instrumentedCode.probes[3].loc.end.column).toBe(29);
});
});
});