You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
362 lines
10 KiB
362 lines
10 KiB
const shell = require('shelljs');
|
|
const fs = require('fs');
|
|
const path = require('path');
|
|
const istanbul = require('istanbul');
|
|
const util = require('util');
|
|
const assert = require('assert');
|
|
const memdown = require('memdown');
|
|
|
|
const Instrumenter = require('./instrumenter');
|
|
const Coverage = require('./coverage');
|
|
const DataCollector = require('./collector');
|
|
const UI = require('./ui');
|
|
|
|
const isWin = /^win/.test(process.platform);
|
|
|
|
/**
|
|
* Coverage Runner
|
|
*/
|
|
class App {
|
|
constructor(config) {
|
|
this.coverage = new Coverage();
|
|
this.instrumenter = new Instrumenter();
|
|
this.config = config || {};
|
|
|
|
// Options
|
|
this.testsErrored = false;
|
|
|
|
this.cwd = config.cwd;
|
|
this.contractsDirName = '.coverage_contracts';
|
|
this.artifactsDirName = '.coverage_artifacts';
|
|
this.contractsDir = path.join(this.cwd, this.contractsDirName);
|
|
this.artifactsDir = path.join(this.cwd, this.artifactsDirName);
|
|
|
|
this.originalContractsDir = config.originalContractsDir
|
|
|
|
this.client = config.client;
|
|
this.providerOptions = config.providerOptions || {};
|
|
|
|
this.skippedFolders = [];
|
|
this.skipFiles = config.skipFiles || [];
|
|
|
|
this.log = config.logger ? config.logger.log : console.log;
|
|
this.setLoggingLevel(config.silent);
|
|
|
|
this.gasLimit = 0xfffffffffff;
|
|
this.gasLimitString = "0xfffffffffff";
|
|
this.gasPrice = 0x01;
|
|
|
|
this.istanbulReporter = config.istanbulReporter || ['html', 'lcov', 'text'];
|
|
this.ui = new UI(this.log);
|
|
}
|
|
|
|
// -------------------------------------- Methods -----------------------------------------------
|
|
/**
|
|
* Setup temp folder, write instrumented contracts to it and register them as coverage targets
|
|
*/
|
|
instrument() {
|
|
let currentFile;
|
|
let started = false;
|
|
let skipped = [];
|
|
|
|
try {
|
|
this.sanityCheckContext();
|
|
this.registerSkippedItems();
|
|
this.generateEnvelope();
|
|
|
|
const target = `${this.contractsDir}/**/*.sol`;
|
|
|
|
shell.ls(target).forEach(file => {
|
|
currentFile = file;
|
|
|
|
if (!this.shouldSkip(file)) {
|
|
!started && this.ui.report('instr-start');
|
|
started = true;
|
|
|
|
// Remember the real path
|
|
const contractPath = this.platformNeutralPath(file);
|
|
const relativePath = contractPath.split(`/${this.contractsDirName}`)[1]
|
|
const canonicalPath = path.join(
|
|
this.originalContractsDir,
|
|
relativePath
|
|
);
|
|
|
|
this.ui.report('instr-item', [relativePath])
|
|
|
|
// Instrument contract, save, add to coverage map
|
|
const contract = this.loadContract(contractPath);
|
|
const instrumented = this.instrumenter.instrument(contract, canonicalPath);
|
|
this.saveContract(contractPath, instrumented.contract);
|
|
this.coverage.addContract(instrumented, canonicalPath);
|
|
|
|
} else {
|
|
skipped.push(file);
|
|
}
|
|
});
|
|
} catch (err) {
|
|
const msg = `There was a problem instrumenting ${currentFile}: `;
|
|
this.cleanUp(msg + err);
|
|
}
|
|
|
|
if (skipped.length > 0){
|
|
this.ui.report('instr-skip');
|
|
|
|
skipped.forEach(item => {
|
|
item = item.split(`/${this.contractsDirName}`)[1]
|
|
this.ui.report('instr-skipped', [item])
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Launch an in-process ethereum provider and hook up the DataCollector to its VM.
|
|
* @param {Object} client ethereum client
|
|
* @return {Object} provider
|
|
*
|
|
* TODO: generalize provider options setting for non-ganache clients..
|
|
*/
|
|
async provider(client){
|
|
let retry = false;
|
|
|
|
if(!this.client) this.client = client; // Prefer client from options
|
|
|
|
this.collector = new DataCollector(this.instrumenter.instrumentationData);
|
|
|
|
this.providerOptions.gasLimit = this.gasLimitString;
|
|
this.providerOptions.allowUnlimitedContractSize = true;
|
|
this.providerOptions.db = memdown();
|
|
this.providerOptions.asyncRequestProcessing: true;
|
|
|
|
// Try to launch provider and attach to vm step of
|
|
// either plugin's ganache or a provider passed via options
|
|
try {
|
|
this.provider = await this.attachToVM();
|
|
} catch(err){
|
|
retry = true;
|
|
this.ui.report('vm-fail', [])
|
|
}
|
|
|
|
// Fallback to ganache-core-sc (eq: ganache-core 2.7.0)
|
|
if (retry){
|
|
this.providerOptions.logger = { log: this.collector.step.bind(this.collector) };
|
|
this.client = require('ganache-core-sc');
|
|
this.provider = this.client.provider(this.providerOptions);
|
|
}
|
|
|
|
return this.provider;
|
|
}
|
|
|
|
/**
|
|
* Generate coverage / write coverage report / run istanbul
|
|
*/
|
|
async report() {
|
|
const collector = new istanbul.Collector();
|
|
const reporter = new istanbul.Reporter();
|
|
|
|
return new Promise((resolve, reject) => {
|
|
try {
|
|
this.coverage.generate(this.instrumenter.instrumentationData, this.originalContractsDir);
|
|
const relativeMapping = this.makeKeysRelative(this.coverage.data, this.cwd);
|
|
this.saveCoverage(relativeMapping);
|
|
|
|
collector.add(relativeMapping);
|
|
|
|
this.istanbulReporter.forEach(report => reporter.add(report));
|
|
|
|
reporter.write(collector, true, () => {
|
|
this.log('Istanbul coverage reports generated');
|
|
resolve();
|
|
});
|
|
} catch (err) {
|
|
const msg = 'There was a problem generating the coverage map / running Istanbul.\n';
|
|
console.log(err.stack);
|
|
throw new Error(msg + err);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Removes coverage build artifacts, kills testrpc.
|
|
* Exits (1) and prints msg on error, exits (0) otherwise.
|
|
* @param {String} err error message
|
|
*
|
|
* TODO this needs to delegate process exit to the outer tool....
|
|
*/
|
|
async cleanUp(err) {
|
|
const self = this;
|
|
this.log('Cleaning up...');
|
|
shell.config.silent = true;
|
|
shell.rm('-Rf', this.contractsDir);
|
|
shell.rm('-Rf', this.artifactsDir);
|
|
|
|
if (this.provider && this.provider.close){
|
|
this.log('Shutting down ganache-core')
|
|
return new Promise(res => self.provider.close(res))
|
|
}
|
|
}
|
|
// ------------------------------------------ Utils ----------------------------------------------
|
|
|
|
// ========
|
|
// Provider
|
|
// ========
|
|
async attachToVM(){
|
|
const self = this;
|
|
const provider = this.client.provider(this.providerOptions);
|
|
|
|
this.assertHasBlockchain(provider);
|
|
|
|
await this.vmIsResolved(provider);
|
|
|
|
const blockchain = provider.engine.manager.state.blockchain;
|
|
const createVM = blockchain.createVMFromStateTrie;
|
|
|
|
// Attach to VM which ganache has already instantiated
|
|
// and which it uses to execute eth_send
|
|
blockchain.vm.on('step', self.collector.step.bind(self.collector));
|
|
|
|
// Attach/hijack createVM method which ganache uses to run eth_calls
|
|
blockchain.createVMFromStateTrie = function(state, activatePrecompiles) {
|
|
const vm = createVM.apply(blockchain, arguments);
|
|
vm.on('step', self.collector.step.bind(self.collector));
|
|
return vm;
|
|
}
|
|
|
|
return provider;
|
|
}
|
|
|
|
assertHasBlockchain(provider){
|
|
assert(provider.engine.manager.state.blockchain !== undefined);
|
|
assert(provider.engine.manager.state.blockchain.createVMFromStateTrie !== undefined);
|
|
}
|
|
|
|
async vmIsResolved(provider){
|
|
return new Promise(resolve => {
|
|
const interval = setInterval(() => {
|
|
if (provider.engine.manager.state.blockchain.vm !== undefined){
|
|
clearInterval(interval);
|
|
resolve();
|
|
}
|
|
});
|
|
})
|
|
}
|
|
|
|
// ========
|
|
// File I/O
|
|
// ========
|
|
loadContract(_path){
|
|
return fs.readFileSync(_path).toString();
|
|
}
|
|
|
|
saveContract(_path, contract){
|
|
fs.writeFileSync(_path, contract);
|
|
}
|
|
|
|
saveCoverage(data){
|
|
const covPath = path.join(this.cwd, "coverage.json");
|
|
fs.writeFileSync(covPath, JSON.stringify(data));
|
|
}
|
|
|
|
// ======
|
|
// Launch
|
|
// ======
|
|
sanityCheckContext(){
|
|
if (!shell.test('-e', this.originalContractsDir)){
|
|
this.cleanUp("Couldn't find a 'contracts' folder to instrument.");
|
|
}
|
|
|
|
if (shell.test('-e', this.contractsDir)){
|
|
shell.rm('-Rf', this.contractsDir);
|
|
}
|
|
|
|
if (shell.test('-e', this.artifactsDir)){
|
|
shell.rm('-Rf', this.artifactsDir);
|
|
}
|
|
}
|
|
|
|
generateEnvelope(){
|
|
shell.mkdir(this.contractsDir);
|
|
shell.mkdir(this.artifactsDir);
|
|
shell.cp('-Rf', `${this.originalContractsDir}/*`, this.contractsDir);
|
|
}
|
|
|
|
// =====
|
|
// Paths
|
|
// =====
|
|
/**
|
|
* Relativizes path keys so that istanbul report can be read on Windows
|
|
* @param {Object} map coverage map generated by coverageMap
|
|
* @param {String} wd working directory
|
|
* @return {Object} map with relativized keys
|
|
*/
|
|
makeKeysRelative(map, wd) {
|
|
const newCoverage = {};
|
|
Object.keys(map).forEach(pathKey => newCoverage[path.relative(wd, pathKey)] = map[pathKey]);
|
|
return newCoverage;
|
|
}
|
|
|
|
/**
|
|
* Normalizes windows paths
|
|
* @param {String} file path
|
|
* @return {String} normalized path
|
|
*/
|
|
platformNeutralPath(file) {
|
|
return (isWin)
|
|
? path.resolve(file).split('\\').join('/')
|
|
: path.resolve(file);
|
|
}
|
|
|
|
// ========
|
|
// Skipping
|
|
// ========
|
|
/**
|
|
* Determines if a file is in a folder marked skippable.
|
|
* @param {String} file file path
|
|
* @return {Boolean}
|
|
*/
|
|
inSkippedFolder(file){
|
|
let shouldSkip;
|
|
const root = `${this.contractsDir}`;
|
|
this.skippedFolders.forEach(folderToSkip => {
|
|
folderToSkip = `${root}/${folderToSkip}`;
|
|
if (file.indexOf(folderToSkip) === 0)
|
|
shouldSkip = true;
|
|
});
|
|
return shouldSkip;
|
|
}
|
|
|
|
/**
|
|
* Parses the skipFiles option (which also accepts folders)
|
|
*/
|
|
registerSkippedItems(){
|
|
const root = `${this.contractsDir}`;
|
|
this.skippedFolders = this.skipFiles.filter(item => path.extname(item) !== '.sol')
|
|
this.skipFiles = this.skipFiles.map(contract => `${root}/${contract}`);
|
|
this.skipFiles.push(`${root}/Migrations.sol`);
|
|
}
|
|
|
|
/**
|
|
* Returns true when file should not be instrumented, false otherwise
|
|
* @param {String} file path segment
|
|
* @return {Boolean}
|
|
*/
|
|
shouldSkip(file){
|
|
return this.skipFiles.includes(file) || this.inSkippedFolder(file)
|
|
}
|
|
|
|
// =======
|
|
// Logging
|
|
// =======
|
|
/**
|
|
* Turn logging off (for CI)
|
|
* @param {Boolean} isSilent
|
|
*
|
|
* TODO: logic to toggle on/off (instead of just off)
|
|
*
|
|
*/
|
|
setLoggingLevel(isSilent) {
|
|
if (isSilent) this.log = () => {};
|
|
}
|
|
|
|
}
|
|
|
|
module.exports = App;
|
|
|