@decaf-ts/utils
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module management utils for decaf-ts
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JavaScript
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return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TestReporter = exports.TestReporterStoragePathEnvKey = exports.TestReporterStorageEnabledEnvKey = exports.JestReportersTempPathEnvKey = void 0;
const path_1 = __importDefault(require("path"));
const fs_1 = __importDefault(require("fs"));
const fs_js_1 = require("./../utils/fs.cjs");
/**
* @description Environment variable key for Jest HTML reporters temporary directory path
* @summary Constant defining the environment variable key for Jest HTML reporters
* @const JestReportersTempPathEnvKey
* @memberOf module:utils
*/
exports.JestReportersTempPathEnvKey = "JEST_HTML_REPORTERS_TEMP_DIR_PATH";
/**
* @description Environment variable key to enable file-based evidence storage
* @summary Constant defining the environment variable key for storage enablement
* @const TestReporterStorageEnabledEnvKey
* @memberOf module:utils
*/
exports.TestReporterStorageEnabledEnvKey = "TEST_REPORTER_STORAGE_ENABLED";
/**
* @description Environment variable key for the base path of evidence storage
* @summary Constant defining the environment variable key for storage path
* @const TestReporterStoragePathEnvKey
* @memberOf module:utils
*/
exports.TestReporterStoragePathEnvKey = "TEST_REPORTER_STORAGE_PATH";
/**
* @description Array of dependencies required by the test reporter
* @summary List of npm packages needed for reporting functionality
* @const dependencies
* @memberOf module:utils
*/
const dependencies = ["jest-html-reporters", "json2md", "chartjs-node-canvas"];
/**
* @description Normalizes imports to handle both CommonJS and ESModule formats
* @summary Utility function to handle module import differences between formats
* @template T - Type of the imported module
* @param {Promise<T>} importPromise - Promise returned by dynamic import
* @return {Promise<T>} Normalized module
* @function normalizeImport
* @memberOf module:utils
*/
async function normalizeImport(importPromise) {
// CommonJS's `module.exports` is wrapped as `default` in ESModule.
return importPromise.then((m) => (m.default || m));
}
/**
* @description Test reporting utility class for managing test results and evidence
* @summary A comprehensive test reporter that handles various types of test artifacts including messages,
* attachments, data, images, tables, and graphs. It provides methods to report and store test evidence
* in different formats and manages dependencies for reporting functionality.
*
* @template T - Type of data being reported
* @param {string} [testCase="tests"] - Name of the test case
* @param {string} [basePath] - Base path for storing test reports
* @class
*
* @example
* ```typescript
* const reporter = new TestReporter('login-test');
*
* // Report test messages
* await reporter.reportMessage('Test Started', 'Login flow initiated');
*
* // Report test data
* await reporter.reportData('user-credentials', { username: 'test' }, 'json');
*
* // Report test results table
* await reporter.reportTable('test-results', {
* headers: ['Step', 'Status'],
* rows: [
* { Step: 'Login', Status: 'Pass' },
* { Step: 'Validation', Status: 'Pass' }
* ]
* });
*
* // Report test evidence
* await reporter.reportAttachment('Screenshot', screenshotBuffer);
* ```
*
* @mermaid
* sequenceDiagram
* participant Client
* participant TestReporter
* participant FileSystem
* participant Dependencies
*
* Client->>TestReporter: new TestReporter(testCase, basePath)
* TestReporter->>FileSystem: Create report directory
*
* alt Report Message
* Client->>TestReporter: reportMessage(title, message)
* TestReporter->>Dependencies: Import helpers
* TestReporter->>FileSystem: Store message
* else Report Data
* Client->>TestReporter: reportData(reference, data, type)
* TestReporter->>Dependencies: Process data
* TestReporter->>FileSystem: Store formatted data
* else Report Table
* Client->>TestReporter: reportTable(reference, tableDef)
* TestReporter->>Dependencies: Convert to MD format
* TestReporter->>FileSystem: Store table
* end
*/
class TestReporter {
/**
* @description Checks if storage is enabled via environment variables
* @summary Static getter for storage enablement status
* @type {boolean}
*/
static get storageEnabled() {
return (process.env[exports.TestReporterStorageEnabledEnvKey] === "true" ||
process.env["TEST_REPORTER_STORE_EVIDENCE"] === "true");
}
/**
* @description Gets the base path for evidence storage from environment variables or default
* @summary Static getter for evidence storage base path
* @type {string}
*/
static get storagePath() {
return (process.env[exports.TestReporterStoragePathEnvKey] ||
path_1.default.join(process.cwd(), "workdocs", "reports", "evidences"));
}
constructor(testCase = "tests", basePath = TestReporter.storagePath) {
this.testCase = testCase;
this.basePath = basePath;
const parentPath = basePath;
this.basePath = path_1.default.join(basePath, this.testCase);
if (!fs_1.default.existsSync(this.basePath)) {
fs_1.default.mkdirSync(parentPath, { recursive: true });
}
}
/**
* @description Retrieves all evidences for a given describe and it name
* @summary Searches the storage directory for matching evidences using string inclusion
* @param {string} describeName - Name of the describe block to match
* @param {string} itName - Name of the it block to match
* @return {EvidenceData[]} Array of matching evidences
*/
static getEvidencesOf(describeName, itName) {
const root = TestReporter.storagePath;
if (!fs_1.default.existsSync(root))
return [];
const evidences = [];
const normalize = (s) => s.toLowerCase().replace(/[- ]/g, "");
const nDescribe = normalize(describeName);
const nIt = normalize(itName);
const describeDirs = fs_1.default
.readdirSync(root)
.filter((d) => normalize(d).includes(nDescribe));
for (const dDir of describeDirs) {
const dPath = path_1.default.join(root, dDir);
if (!fs_1.default.statSync(dPath).isDirectory())
continue;
const itDirs = fs_1.default
.readdirSync(dPath)
.filter((i) => normalize(i).includes(nIt));
for (const iDir of itDirs) {
const iPath = path_1.default.join(dPath, iDir);
if (!fs_1.default.statSync(iPath).isDirectory())
continue;
const files = fs_1.default.readdirSync(iPath);
for (const file of files) {
const filePath = path_1.default.join(iPath, file);
if (fs_1.default.statSync(filePath).isFile()) {
const content = fs_1.default.readFileSync(filePath);
const isText = [".json", ".txt", ".md"].some((ext) => file.endsWith(ext));
evidences.push({
name: file,
path: filePath,
content: isText ? content.toString("utf-8") : content,
});
}
}
}
}
return evidences;
}
/**
* @description Imports required helper functions
* @summary Ensures all necessary dependencies are available and imports helper functions
* @return {Promise<void>} Promise that resolves when helpers are imported
*/
async importHelpers() {
this.ensureJestHtmlReportersTempDirs();
this.deps = await (0, fs_js_1.installIfNotAvailable)([dependencies[0]], this.deps);
// if (!process.env[JestReportersTempPathEnvKey])
// process.env[JestReportersTempPathEnvKey] = './workdocs/reports';
const helper = await normalizeImport(Promise.resolve(`${`${dependencies[0]}/helper`}`).then(s => __importStar(require(s))));
const { addMsg, addAttach } = helper;
this.overrideJestHtmlReportersTempPaths(helper);
TestReporter.addMsgFunction = addMsg;
TestReporter.addAttachFunction = addAttach;
}
getJestHtmlReportersTempDir() {
return (process.env[exports.JestReportersTempPathEnvKey] ||
path_1.default.join(this.basePath, "jest-html-reporters-temp"));
}
ensureJestHtmlReportersTempDirs() {
const tempDir = this.getJestHtmlReportersTempDir();
fs_1.default.mkdirSync(path_1.default.join(tempDir, "data"), { recursive: true });
fs_1.default.mkdirSync(path_1.default.join(tempDir, "images"), { recursive: true });
}
overrideJestHtmlReportersTempPaths(helper) {
const tempDir = this.getJestHtmlReportersTempDir();
helper.tempDirPath = tempDir;
helper.dataDirPath = path_1.default.join(tempDir, "data");
helper.attachDirPath = path_1.default.join(tempDir, "images");
}
/**
* @description Reports a message to the test report
* @summary Adds a formatted message to the test report with an optional title
* @param {string} title - Title of the message
* @param {string | object} message - Content of the message
* @return {Promise<void>} Promise that resolves when the message is reported
*/
async reportMessage(title, message) {
if (!TestReporter.addMsgFunction)
await this.importHelpers();
const msg = `${title}${message ? `\n${message}` : ""}`;
await TestReporter.addMsgFunction({ message: msg });
}
/**
* @description Reports an attachment to the test report
* @summary Adds a formatted message to the test report with an optional title
* @param {string} title - Title of the message
* @param {string | Buffer} attachment - Content of the message
* @return {Promise<void>} Promise that resolves when the message is reported
*/
async reportAttachment(title, attachment) {
if (!TestReporter.addAttachFunction)
await this.importHelpers();
await TestReporter.addAttachFunction({
attach: attachment,
description: title,
});
}
/**
* @description Reports data with specified type
* @summary Processes and stores data in the test report with formatting
* @param {string} reference - Reference identifier for the data
* @param {string | number | object} data - Data to be reported
* @param {PayloadType} type - Type of the payload
* @param {boolean} [trim=false] - Whether to trim the data
* @return {Promise<void>} Promise that resolves when data is reported
*/
async report(reference, data, type, trim = false) {
try {
let attachFunction = this.reportMessage.bind(this);
let extension = ".txt";
let finalData = data;
switch (type) {
case "image":
finalData = Buffer.from(data);
extension = ".png";
attachFunction = this.reportAttachment.bind(this);
break;
case "json":
if (trim) {
// we clone to avoid modifying the original if it was an object passed by reference
const dataToTrim = JSON.parse(JSON.stringify(data));
if (dataToTrim.request)
delete dataToTrim.request;
if (dataToTrim.config)
delete dataToTrim.config;
finalData = dataToTrim;
}
finalData = JSON.stringify(finalData, null, 2);
extension = ".json";
break;
case "md":
extension = ".md";
break;
case "text":
extension = ".txt";
break;
default:
console.log(`Unsupported type ${type}. assuming text`);
}
const refWithExt = reference.includes("\n") || reference.includes(extension)
? reference
: `${reference}${extension}`;
await attachFunction(refWithExt, finalData);
if (TestReporter.storageEnabled) {
await this.storeEvidence(reference, finalData, type, extension);
}
}
catch (e) {
throw new Error(`Could not store attach artifact ${reference} under to test report ${this.testCase} - ${e}`);
}
}
/**
* @description Stores evidence to a file in the specified directory structure
* @summary Internal method to handle file-based storage of test artifacts
* @param {string} reference - Reference identifier for the data
* @param {any} data - Data to be stored
* @param {PayloadType} type - Type of the payload
* @param {string} extension - File extension to use
* @return {Promise<void>}
*/
async storeEvidence(reference, data, type, extension) {
let itName = "unknown-it";
try {
const state = global.expect?.getState();
if (state?.currentTestName) {
itName = state.currentTestName;
if (itName.startsWith(this.testCase)) {
itName = itName.substring(this.testCase.length).trim();
}
}
// eslint-disable-next-line @typescript-eslint/no-unused-vars
}
catch (e) {
// Ignore
}
const sanitizedItName = itName.replace(/[/\\?%*:|"<>]/g, "-") || "unknown-it";
const evidenceDir = path_1.default.join(this.basePath, sanitizedItName);
if (!fs_1.default.existsSync(evidenceDir)) {
fs_1.default.mkdirSync(evidenceDir, { recursive: true });
}
const fileName = reference.includes(extension)
? reference
: `${reference}${extension}`;
const filePath = path_1.default.join(evidenceDir, fileName);
if (type === "image" || Buffer.isBuffer(data)) {
fs_1.default.writeFileSync(filePath, data);
}
else {
fs_1.default.writeFileSync(filePath, typeof data === "string" ? data : JSON.stringify(data, null, 2));
}
}
/**
* @description Reports data with a specified type
* @summary Wrapper method for reporting various types of data
* @param {string} reference - Reference identifier for the data
* @param {string | number | object} data - Data to be reported
* @param {PayloadType} [type="json"] - Type of the payload
* @param {boolean} [trim=false] - Whether to trim the data
* @return {Promise<void>} Promise that resolves when data is reported
*/
async reportData(reference, data, type = "json", trim = false) {
return this.report(reference, data, type, trim);
}
/**
* @description Reports a JSON object
* @summary Convenience method for reporting JSON objects
* @param {string} reference - Reference identifier for the object
* @param {object} json - JSON object to be reported
* @param {boolean} [trim=false] - Whether to trim the object
* @return {Promise<void>} Promise that resolves when object is reported
*/
async reportObject(reference, json, trim = false) {
return this.report(reference, json, "json", trim);
}
/**
* @description Reports a table in markdown format
* @summary Converts and stores a table definition in markdown format
* @param {string} reference - Reference identifier for the table
* @param {MdTableDefinition} tableDef - Table definition object
* @return {Promise<void>} Promise that resolves when table is reported
*/
async reportTable(reference, tableDef) {
this.deps = await (0, fs_js_1.installIfNotAvailable)([dependencies[1]], this.deps);
let txt;
try {
const json2md = await normalizeImport(Promise.resolve(`${`${dependencies[1]}`}`).then(s => __importStar(require(s))));
txt = json2md([{ table: tableDef }]);
}
catch (e) {
throw new Error(`Could not convert JSON to Markdown - ${e}`);
}
return this.report(reference, txt, "md");
}
/**
* @description Reports a graph using Chart.js
* @summary Generates and stores a graph visualization
* @param {string} reference - Reference identifier for the graph
* @param {any} config - Chart.js configuration object
* @return {Promise<void>} Promise that resolves when graph is reported
*/
async reportGraph(reference, config, width = 1200, height = 600) {
this.deps = await (0, fs_js_1.installIfNotAvailable)([dependencies[2]], this.deps);
const { ChartJSNodeCanvas } = await normalizeImport(Promise.resolve(`${dependencies[2]}`).then(s => __importStar(require(s))));
const backgroundColour = "white"; // Uses https://www.w3schools.com/tags/canvas_fillstyle.asp
const chartJSNodeCanvas = new ChartJSNodeCanvas({
width,
height,
backgroundColour,
});
const image = await chartJSNodeCanvas.renderToBuffer(config);
await this.reportImage(reference, image);
return image;
}
/**
* @description Reports an image to the test report
* @summary Stores an image buffer in the test report
* @param {string} reference - Reference identifier for the image
* @param {Buffer} buffer - Image data buffer
* @return {Promise<void>} Promise that resolves when image is reported
*/
async reportImage(reference, buffer) {
return this.report(reference, buffer, "image");
}
}
exports.TestReporter = TestReporter;
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