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How to use decodeSnapshots method in ava

Best JavaScript code snippet using ava

snapshot-manager.js

Source:snapshot-manager.js

...178		md5sum,179		compressed180	], READABLE_PREFIX.byteLength + VERSION_HEADER.byteLength + MD5_HASH_LENGTH + compressed.byteLength);181}182function decodeSnapshots(buffer, snapPath) {183	if (isLegacySnapshot(buffer)) {184		throw new LegacyError(snapPath);185	}186	// The version starts after the readable prefix, which is ended by a newline187	// byte (0x0A).188	const versionOffset = buffer.indexOf(0x0A) + 1;189	const version = buffer.readUInt16LE(versionOffset);190	if (version !== VERSION) {191		throw new VersionMismatchError(snapPath, version);192	}193	const md5sumOffset = versionOffset + 2;194	const compressedOffset = md5sumOffset + MD5_HASH_LENGTH;195	const compressed = buffer.slice(compressedOffset);196	const md5sum = crypto.createHash('md5').update(compressed).digest();197	const expectedSum = buffer.slice(md5sumOffset, compressedOffset);198	if (!md5sum.equals(expectedSum)) {199		throw new ChecksumError(snapPath);200	}201	const decompressed = zlib.gunzipSync(compressed);202	let byteOffset = 0;203	const headerLength = decompressed.readUInt32LE(byteOffset);204	byteOffset += 4;205	const snapshotsByHash = new Map();206	const numHashes = decompressed.readUInt16LE(byteOffset);207	byteOffset += 2;208	for (let count = 0; count < numHashes; count++) {209		const hash = decompressed.toString('hex', byteOffset, byteOffset + MD5_HASH_LENGTH);210		byteOffset += MD5_HASH_LENGTH;211		const numSnapshots = decompressed.readUInt16LE(byteOffset);212		byteOffset += 2;213		const snapshotsBuffers = new Array(numSnapshots);214		for (let index = 0; index < numSnapshots; index++) {215			const start = decompressed.readUInt32LE(byteOffset) + headerLength;216			byteOffset += 4;217			const end = decompressed.readUInt32LE(byteOffset) + headerLength;218			byteOffset += 4;219			snapshotsBuffers[index] = decompressed.slice(start, end);220		}221		// Allow for new entries to be appended to an existing header, which could222		// lead to the same hash being present multiple times.223		if (snapshotsByHash.has(hash)) {224			snapshotsByHash.set(hash, snapshotsByHash.get(hash).concat(snapshotsBuffers));225		} else {226			snapshotsByHash.set(hash, snapshotsBuffers);227		}228	}229	return snapshotsByHash;230}231class Manager {232	constructor(options) {233		this.appendOnly = options.appendOnly;234		this.dir = options.dir;235		this.relFile = options.relFile;236		this.reportFile = options.reportFile;237		this.snapFile = options.snapFile;238		this.snapPath = options.snapPath;239		this.snapshotsByHash = options.snapshotsByHash;240		this.hasChanges = false;241		this.reportEntries = new Map();242	}243	compare(options) {244		const hash = md5Hex(options.belongsTo);245		const entries = this.snapshotsByHash.get(hash) || [];246		if (options.index > entries.length) {247			throw new RangeError(`Cannot record snapshot ${options.index} for ${JSON.stringify(options.belongsTo)}, exceeds expected index of ${entries.length}`);248		}249		if (options.index === entries.length) {250			this.record(hash, options);251			return {pass: true};252		}253		const snapshotBuffer = entries[options.index];254		const actual = concordance.deserialize(snapshotBuffer, concordanceOptions);255		const expected = concordance.describe(options.expected, concordanceOptions);256		const pass = concordance.compareDescriptors(actual, expected);257		return {actual, expected, pass};258	}259	record(hash, options) {260		const descriptor = concordance.describe(options.expected, concordanceOptions);261		this.hasChanges = true;262		const snapshot = concordance.serialize(descriptor);263		if (this.snapshotsByHash.has(hash)) {264			this.snapshotsByHash.get(hash).push(snapshot);265		} else {266			this.snapshotsByHash.set(hash, [snapshot]);267		}268		const entry = formatEntry(options.label, descriptor);269		if (this.reportEntries.has(options.belongsTo)) {270			this.reportEntries.get(options.belongsTo).push(entry);271		} else {272			this.reportEntries.set(options.belongsTo, [entry]);273		}274	}275	save() {276		if (!this.hasChanges) {277			return null;278		}279		const snapPath = this.snapPath;280		const buffer = encodeSnapshots(this.snapshotsByHash);281		const reportPath = path.join(this.dir, this.reportFile);282		const existingReport = this.appendOnly ? tryRead(reportPath) : null;283		const reportBuffer = existingReport ?284			appendReportEntries(existingReport, this.reportEntries) :285			generateReport(this.relFile, this.snapFile, this.reportEntries);286		makeDir.sync(this.dir);287		const tmpSnapPath = writeFileAtomic.sync(snapPath, buffer);288		const tmpReportPath = writeFileAtomic.sync(reportPath, reportBuffer);289		return [tmpSnapPath, tmpReportPath, snapPath, reportPath];290	}291}292function determineSnapshotDir(options) {293	const testDir = determineSourceMappedDir(options);294	if (options.fixedLocation) {295		const relativeTestLocation = path.relative(options.projectDir, testDir);296		return path.join(options.fixedLocation, relativeTestLocation);297	}298	const parts = new Set(path.relative(options.projectDir, testDir).split(path.sep));299	if (parts.has('__tests__')) {300		return path.join(testDir, '__snapshots__');301	}302	if (parts.has('test') || parts.has('tests')) { // Accept tests, even though it's not in the default test patterns303		return path.join(testDir, 'snapshots');304	}305	return testDir;306}307function determineSourceMappedDir(options) {308	const source = tryRead(options.file).toString();309	const converter = convertSourceMap.fromSource(source) || convertSourceMap.fromMapFileSource(source, options.testDir);310	if (converter) {311		const map = converter.toObject();312		const firstSource = `${map.sourceRoot || ''}${map.sources[0]}`;313		const sourceFile = path.resolve(options.testDir, firstSource);314		return path.dirname(sourceFile);315	}316	return options.testDir;317}318function load(options) {319	const dir = determineSnapshotDir(options);320	const reportFile = `${options.name}.md`;321	const snapFile = `${options.name}.snap`;322	const snapPath = path.join(dir, snapFile);323	let appendOnly = !options.updating;324	let snapshotsByHash;325	if (!options.updating) {326		const buffer = tryRead(snapPath);327		if (buffer) {328			snapshotsByHash = decodeSnapshots(buffer, snapPath);329		} else {330			appendOnly = false;331		}332	}333	return new Manager({334		appendOnly,335		dir,336		relFile: options.relFile,337		reportFile,338		snapFile,339		snapPath,340		snapshotsByHash: snapshotsByHash || new Map()341	});342}...

Using AI Code Generation

1const avaLogger = require('ava-logger');2const fs = require('fs');3const path = require('path');4const snapshots = fs.readFileSync(path.join(__dirname, 'snapshots.txt'), 'utf-8');5const decodedSnapshots = avaLogger.decodeSnapshots(snapshots);6console.log(decodedSnapshots);7const avaLogger = require('ava-logger');8const fs = require('fs');9const path = require('path');10const snapshots = {11  'test.js': {12    'test1': {13    },14    'test2': {15    },16    'test3': {17    }18  }19};20const encodedSnapshots = avaLogger.encodeSnapshots(snapshots);21fs.writeFileSync(path.join(__dirname, 'snapshots.txt'), encodedSnapshots, 'utf-8');22### avaLogger.encodeSnapshots(snapshots)23### avaLogger.decodeSnapshots(snapshots)24MIT © [Siddharth Kshetrapal](

Using AI Code Generation

1const availableSnapshots = require('./availableSnapshots');2const snapshots = new availableSnapshots();3const decodedSnapshots = snapshots.decodeSnapshots();4console.log(decodedSnapshots);5const snapshots = new availableSnapshots();6const snapshotsList = snapshots.getSnapshots();7console.log(snapshotsList);8const availableSnapshots = require('./availableSnapshots');9const snapshots = new availableSnapshots();10const decodedSnapshots = snapshots.decodeSnapshots();11console.log(decodedSnapshots);12const snapshots = new availableSnapshots();13const snapshotsList = snapshots.getSnapshots();14console.log(snapshotsList);15const availableSnapshots = require('./availableSnapshots');16const snapshots = new availableSnapshots();17const decodedSnapshots = snapshots.decodeSnapshots();18console.log(decodedSnapshots);19const snapshots = new availableSnapshots();20const snapshotsList = snapshots.getSnapshots();21console.log(snapshotsList);22const fs = require('fs');23const path = require('path');24class availableSnapshots {25  decodeSnapshots() {26    const snapshotsList = this.getSnapshots();27    const decodedSnapshots = [];28    snapshotsList.forEach((snapshot) => {29      const snapshotBuffer = fs.readFileSync(path.resolve(__dirname, snapshot));30      const snapshotString = snapshotBuffer.toString();31      decodedSnapshots.push(JSON.parse(snapshotString));32    });33    return decodedSnapshots;34  }35  getSnapshots() {36    const snapshots = fs.readdirSync(path.resolve(__dirname, 'snapshots'));37    return snapshots;38  }39}40module.exports = availableSnapshots;41{42}43{44}45{46}47{

Using AI Code Generation

1var availableSnapshots = require('availableSnapshots');2var snapshot = availableSnapshots.decodeSnapshots('test');3var availableSnapshots = require('availableSnapshots');4var snapshot = availableSnapshots.decodeSnapshots('test');5var availableSnapshots = require('availableSnapshots');6var snapshot = availableSnapshots.decodeSnapshots('test');

Using AI Code Generation

1import { decodeSnapshots } from 'ava/lib/worker/child';2import { test } from 'ava';3test('test', t => {4  const decoded = decodeSnapshots(new Buffer('test'));5  console.log(decoded);6});

Using AI Code Generation

1import { availableSnapshots } from "@snapshot-labs/snapshot.js";2availableSnapshots.decodeSnapshots(3    {4      msg: {5        payload: {6        },7      },8    },9);10import { availableSnapshots } from "@snapshot-labs/snapshot.js";11availableSnapshots.decodeSnapshots(12    {13      msg: {14        payload: {15        },16      },17    },18);19import { availableSnapshots } from "@snapshot-labs/snapshot.js";20availableSnapshots.getProposal(21);

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