構成のテスト

export interface TestingConfig extends JestConfig { /** * The `allowableMismatchedPixels` value is used to determine an acceptable * number of pixels that can be mismatched before the image is considered * to have changes. Realistically, two screenshots representing the same * content may have a small number of pixels that are not identical due to * anti-aliasing, which is perfectly normal. If the `allowableMismatchedRatio` * is provided it will take precedence, otherwise `allowableMismatchedPixels` * will be used. */ allowableMismatchedPixels?: number; /** * The `allowableMismatchedRatio` ranges from `0` to `1` and is used to * determine an acceptable ratio of pixels that can be mismatched before * the image is considered to have changes. Realistically, two screenshots * representing the same content may have a small number of pixels that * are not identical due to anti-aliasing, which is perfectly normal. The * `allowableMismatchedRatio` is the number of pixels that were mismatched, * divided by the total number of pixels in the screenshot. For example, * a ratio value of `0.06` means 6% of the pixels can be mismatched before * the image is considered to have changes. If the `allowableMismatchedRatio` * is provided it will take precedence, otherwise `allowableMismatchedPixels` * will be used. */ allowableMismatchedRatio?: number; /** * Matching threshold while comparing two screenshots. Value ranges from `0` to `1`. * Smaller values make the comparison more sensitive. The `pixelmatchThreshold` * value helps to ignore anti-aliasing. Default: `0.1` */ pixelmatchThreshold?: number; /** * Additional arguments to pass to the browser instance. */ browserArgs?: string[]; /** * Path to a Chromium or Chrome executable to run instead of the bundled Chromium. */ browserExecutablePath?: string; /** * Whether to run browser e2e tests in headless mode. Defaults to true. */ browserHeadless?: boolean; /** * Slows down e2e browser operations by the specified amount of milliseconds. * Useful so that you can see what is going on. */ browserSlowMo?: number; /** * Array of browser emulations to be using during e2e tests. A full e2e * test is ran for each emulation. */ emulate?: EmulateConfig[]; /** * Path to the Screenshot Connector module. */ screenshotConnector?: string; } export interface EmulateConfig { /** * Predefined device descriptor name, such as "iPhone X" or "Nexus 10". * For a complete list please see: https://github.com/puppeteer/puppeteer/blob/main/src/DeviceDescriptors.ts */ device?: string; /** * User-Agent to be used. Defaults to the user-agent of the installed Puppeteer version. */ userAgent?: string; viewport?: EmulateViewport; } export interface EmulateViewport { /** * Page width in pixels. */ width: number; /** * page height in pixels. */ height: number; /** * Specify device scale factor (can be thought of as dpr). Defaults to 1. */ deviceScaleFactor?: number; /** * Whether the meta viewport tag is taken into account. Defaults to false. */ isMobile?: boolean; /** * Specifies if viewport supports touch events. Defaults to false */ hasTouch?: boolean; /** * Specifies if viewport is in landscape mode. Defaults to false. */ isLandscape?: boolean; }