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const pify = require('pify'); const fs = require('fs'); const path = require('path'); const istanbul = require('sc-istanbul'); const assert = require('assert'); const _ = require('lodash/lang'); const ConfigValidator = require('./validator'); const Instrumenter = require('./instrumenter'); const Coverage = require('./coverage'); const DataCollector = require('./collector'); const AppUI = require('./ui').AppUI; const AbiUtils = require('./abi'); /** * Coverage Runner */ class API { constructor(config={}) { this.validator = new ConfigValidator(); this.abiUtils = new AbiUtils(); this.config = config || {}; this.testMatrix = {}; // Validate this.validator.validate(this.config); this.coverage = new Coverage(); this.instrumenter = new Instrumenter(this.config); // Options this.testsErrored = false; this.cwd = config.cwd || process.cwd(); this.abiOutputPath = config.abiOutputPath || "humanReadableAbis.json"; this.matrixOutputPath = config.matrixOutputPath || "testMatrix.json"; this.mochaJsonOutputPath = config.mochaJsonOutputPath || "mochaOutput.json"; this.matrixReporterPath = config.matrixReporterPath || "solidity-coverage/plugins/resources/matrix.js" this.defaultHook = () => {}; this.onServerReady = config.onServerReady || this.defaultHook; this.onTestsComplete = config.onTestsComplete || this.defaultHook; this.onCompileComplete = config.onCompileComplete || this.defaultHook; this.onIstanbulComplete = config.onIstanbulComplete || this.defaultHook; this.onPreCompile = config.onPreCompile || this.defaultHook; this.skipFiles = config.skipFiles || []; this.log = config.log || console.log; this.gasLimit = 0xffffffffff // default "gas sent" with transactions this.gasLimitNumber = 0x1fffffffffffff; // block gas limit for Hardhat this.gasPrice = 0x01; this.istanbulFolder = config.istanbulFolder || false; this.istanbulReporter = config.istanbulReporter || ['html', 'lcov', 'text', 'json']; this.viaIR = config.viaIR; this.solcOptimizerDetails = config.solcOptimizerDetails; this.setLoggingLevel(config.silent); this.ui = new AppUI(this.log); } /** * Instruments a set of sources to prepare them for running under coverage * @param {Object[]} targets (see below) * @return {Object[]} (see below) * @example of input/output array: * [{ * source: (required) <solidity-source>, * canonicalPath: (required) <absolute path to source file> * relativePath: (optional) <rel path to source file for logging> * }] */ instrument(targets=[]) { let currentFile; // Keep track of filename in case we crash... let started = false; let outputs = []; try { for (let target of targets) { currentFile = target.relativePath || target.canonicalPath; if(!started){ started = true; this.ui.report('instr-start'); } this.ui.report('instr-item', [currentFile]); const instrumented = this.instrumenter.instrument( target.source, target.canonicalPath ); this.coverage.addContract(instrumented, target.canonicalPath); outputs.push({ canonicalPath: target.canonicalPath, relativePath: target.relativePath, source: instrumented.contract }) } } catch (err) { err.message = this.ui.generate('instr-fail', [currentFile]) + err.message; throw err; } return outputs; } /** * Returns a copy of the hit map created during instrumentation. * Useful if you'd like to delegate coverage collection to multiple processes. * @return {Object} instrumentationData */ getInstrumentationData(){ return _.cloneDeep(this.instrumenter.instrumentationData) } /** * Sets the hit map object generated during instrumentation. Useful if you'd like * to collect data for a pre-existing instrumentation. * @param {Object} data */ setInstrumentationData(data={}){ this.instrumenter.instrumentationData = _.cloneDeep(data); } /** * Generate coverage / write coverage report / run istanbul */ async report(_folder) { const folder = _folder || this.istanbulFolder; const collector = new istanbul.Collector(); const reporter = new istanbul.Reporter(false, folder); return new Promise((resolve, reject) => { try { this.coverage.generate(this.instrumenter.instrumentationData); const mapping = this.makeKeysRelative(this.coverage.data, this.cwd); this.saveCoverage(mapping); collector.add(mapping); this.istanbulReporter.forEach(report => reporter.add(report)); // Pify doesn't like this one... reporter.write(collector, true, (err) => { Iif (err) return reject(err); this.ui.report('istanbul'); resolve(); }); } catch (error) { error.message = this.ui.generate('istanbul-fail') + error.message; throw error; } }) } /** * Removes coverage build artifacts, kills testrpc. */ async finish() { /* Just a stub now - used to shutdown ganache */} // ------------------------------------------ Utils ---------------------------------------------- // ======== // Provider // ======== // Hardhat async attachToHardhatVM(provider){ const self = this; this.collector = new DataCollector(this.instrumenter.instrumentationData, this.viaIR); Iif ('init' in provider) { // Newer versions of Hardhat initialize the provider lazily, so we need to // call provider.init() explicitly. This is a no-op if the provider is // already initialized. await provider.init(); } let cur = provider; // Go down to core HardhatNetworkProvider while (cur._wrapped) { cur = Object.assign({}, cur._wrapped) } cur._node._vm.evm.events.on('step', self.collector.step.bind(self.collector)) } // Temporarily disabled because some relevant traces aren't available // (maybe bytecode cannot be found) /*hardhatTraceHandler(trace, isTraceFromCall){ for (const step of trace.steps){ if (trace.bytecode && trace.bytecode._pcToInstruction){ const instruction = trace.bytecode._pcToInstruction.get(step.pc) this.collector.trackHardhatEVMInstruction(instruction) } } }*/ // ========================== // Test Matrix Data Collector // ========================== /** * @param {Object} testInfo Mocha object passed to reporter 'test end' event */ collectTestMatrixData(testInfo){ const hashes = Object.keys(this.instrumenter.instrumentationData); const title = testInfo.title; const file = path.relative(this.cwd, testInfo.file); for (const hash of hashes){ const { contractPath, hits, type, id } = this.instrumenter.instrumentationData[hash]; if (type === 'line'){ if (!this.testMatrix[contractPath]){ this.testMatrix[contractPath] = {}; } if (!this.testMatrix[contractPath][id]){ this.testMatrix[contractPath][id] = []; } if (hits > 0){ // Search for and exclude duplicate entries let duplicate = false; for (const item of this.testMatrix[contractPath][id]){ if (item.title === title && item.file === file){ duplicate = true; break; } } if (!duplicate) { this.testMatrix[contractPath][id].push({title, file}); } // Reset line data this.instrumenter.instrumentationData[hash].hits = 0; } } } } // ======== // File I/O // ======== saveCoverage(data){ const covPath = path.join(this.cwd, "coverage.json"); fs.writeFileSync(covPath, JSON.stringify(data)); } saveTestMatrix(){ const matrixPath = path.join(this.cwd, this.matrixOutputPath); const mapping = this.makeKeysRelative(this.testMatrix, this.cwd); fs.writeFileSync(matrixPath, JSON.stringify(mapping, null, ' ')); } saveMochaJsonOutput(data){ const outputPath = path.join(this.cwd, this.mochaJsonOutputPath); fs.writeFileSync(outputPath, JSON.stringify(data, null, ' ')); } saveHumanReadableAbis(data){ const abiPath = path.join(this.cwd, this.abiOutputPath); fs.writeFileSync(abiPath, JSON.stringify(data, null, ' ')); } // ===== // 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; } // ======= // Logging // ======= /** * Turn logging off (for CI) * @param {Boolean} isSilent */ setLoggingLevel(isSilent) { if (isSilent) this.log = () => {}; } } module.exports = API; |