Allure Cucumber.js reference

These are the functions that you can use to integrate your Cucumber.js tests with Allure.

Note that if you are going to run your tests in parallel, it is necessary to use the Allure's implementation of the world environment for Cucumber.js to support all the features. To do so, add this to the beginning of each JavaScript file in your Cucumber.js tests:

JavaScript
const { setWorldConstructor } = require("@cucumber/cucumber"); const { CucumberAllureWorld } = require("allure-cucumberjs"); if (process.env.PARALLEL) { setWorldConstructor(CucumberAllureWorld); } // ...

Metadata

Assign a test's description, links and other metadata.

Description

  • this.description(markdown: string)

Set the test's description. Markdown formatting is allowed. Any HTML formatting, if present, will be stripped for security purposes.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.description( "This test attempts to log into the website using a login and a password. Fails if any error happens.\n\n" + "Note that this test does not test 2-Factor Authentication.", ); // ... });

Owner

  • this.owner(owner: string)

Set the test's owner.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.owner("John Doe"); // ... });

Tag

  • this.tag(tag: string)

Set the test's tags.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.tag("NewUI"); this.tag("Essentials"); this.tag("Authentication"); // ... });

Severity

  • this.severity(severity: string)

Set the test's severity.

The value must be a constant from the Severity class.

JavaScript
const { Then } = require("@cucumber/cucumber"); const { Severity } = require("allure-js-commons"); Then("do something", async function () { this.severity(Severity.CRITICAL); // ... });

Label

  • this.label(label: string, value: string)

Set an arbitrary label for the test. This is the underlying implementation for a lot of Allure's other functions.

The name of the label can be a constant from the LabelName class or any other string.

You can call the function multiple times to create an array of values under that name.

JavaScript
const { Then } = require("@cucumber/cucumber"); const { LabelName } = require("allure-js-commons"); Then("do something", async function () { this.label(LabelName.LANGUAGE, "javascript"); this.label(LabelName.FRAMEWORK, "cucumberjs"); // ... });

ID

  • this.id(allureId: string)

Set the test's ID.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.id("123"); // ... });
  • this.link(url: string, name?: string, type?: string)

Add a link related to the test.

The name will be used as the link's text. If it is omitted, the full URL will be used instead.

The type affects the icon that is displayed next to the link in the test report. For convenience, Allure provides two shorthand functions with pre-selected link types: issue() and tms().

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.link("https://example.com/docs", "Related Documentation"); this.issue("https://example.com/issues/AUTH-123", "AUTH-123"); this.tms("https://example.com/tms/TMS-456", "TMS-456"); // ... });

Issue

  • this.issue(name: string, url: string)

Add a link to an issue in a bug tracker related to the test.

This is a shorthand for link() with the "issue" type.

TMS

  • this.tms(name: string, url: string)

Add a link to an issue in a bug tracker related to the test.

This is a shorthand for link() with the "tms" type.

Behavior-based hierarchy

  • this.epic(epic: string)
  • this.feature(feature: string)
  • this.story(story: string)

Assign names of epics, features or user stories for a test, as part of Allure's behavior-based hierarchy.

Suite-based hierarchy

  • this.suite(name: string)
  • this.parentSuite(name: string)
  • this.subSuite(name: string)

Assign names of parent suite, suite or sub-suite for a test, as part of Allure's suite-based hierarchy.

Test steps

step()

  • await this.step(name: string, body: StepBodyFunction)

Define a test sub-step with the given name. The body must be a function, either synchronous or asynchronous, implementing the logic of the sub-step.

Note that within each sub-step, this points to its own sub-step object. It has the same functions, but does not store properties previously added into the outer step's this. For this reason, you may have to create a local variable to access such a property.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { await this.step("Step 1", async function () { // ... }); await this.step("Step 2", async function () { await this.step("Step 2.1", async function () { // ... }); await this.step("Step 2.2", async function () { // ... }); }); });

Parametrized tests

  • this.parameter(name: string, value: string, options?: ParameterOptions)

Specify a name and value of a parameter that was used during this test. See Parametrized tests for more details.

The options argument, if given, must be an object with two optional properties excluded and mode.

  • If excluded is set to true, Allure will not use the parameter when comparing the current test result with previous one in the history.

  • The mode affects how the parameter will be displayed in the report. Available options are:

    • "default" (same as not specifying any mode) — the parameter and its value will be shown in a table along with other parameters.
    • "masked" — the parameter will be shown in the table, but its value will be hidden. Use this mode for passwords, tokens and other sensitive parameters.
    • "hidden" — the parameter and its value will not be shown in the test report. Note, however, that it is still possible to extract the value from the allure_results directory if you publish it.
JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { this.parameter("auth_method", "password"); this.parameter("login", "johndoe"); // ... });

Attachments

  • this.attach(content: string | Buffer, type: string)

Add content as an attachment to the test result. The content can be a text string or a base64-encoded Buffer.

You can use data produced by any function, not necessarily read from an actual file.

To ensure that the reader's web browser will display attachments correctly, it is recommended to specify each attachment's type. To do so, pass the MIME type of the content as type.

JavaScript
const { Then } = require("@cucumber/cucumber"); Then("do something", async function () { let browser = await chromium.launch(); let page = await browser.newPage(); await page.goto("https://example.com/"); let screenshot = await page.screenshot(); this.attach(screenshot, "image/png"); await page.close(); await browser.close(); });
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