Adding a11y test packages

packages/a11y-rules/just.config.ts

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+const { preset, just } = require('@uifabric/build');
+const { task } = just;
+
+preset();
+
+task('build', 'build:node-lib').cached();

packages/a11y-rules/package.json

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+{
+  "name": "@fluentui/a11y-rules",
+  "version": "0.1.0",
+  "description": "Fluent UI rules for a11y testing a generating doc for behaviors files.",
+  "private": true,
+  "main": "lib/index.js",
+  "typings": "lib/index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/microsoft/fluentui"
+  },
+  "license": "MIT",
+  "scripts": {
+    "build": "just-scripts build",
+    "clean": "just-scripts clean",
+    "code-style": "just-scripts code-style",
+    "just": "just-scripts",
+    "lint": "just-scripts lint"
+  }
+}

packages/a11y-rules/src/index.ts

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+export * from './rules';
+export * from './types';

packages/a11y-rules/src/rules.tsx

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+import { Props, PropValue, Rule, Slot } from './types';
+
+export class SlotRule implements Rule {
+  private data: Slot;
+
+  constructor(name: string) {
+    this.data = { name } as Slot;
+  }
+
+  public forProps = (props: Props | Props[]) => {
+    this.data.props = Array.isArray(props) ? props : [props];
+    return this;
+  };
+
+  public afterClick = () => {
+    this.data.checkClick = true;
+    return this;
+  };
+
+  public pressSpaceKey = () => {
+    this.data.checkSpaceKeyPressed = true;
+    return this;
+  };
+
+  public pressEnterKey = () => {
+    this.data.checkEnterKeyPressed = true;
+    return this;
+  };
+
+  public verifyOnclickExecution = () => {
+    this.data.checkOnClickWasExecuted = true;
+    return this;
+  };
+
+  public hasAttribute = (expectedAttribute: string, expectedValue?: PropValue) => {
+    this.data.expectedAttribute = expectedAttribute;
+    if (expectedValue) {
+      this.data.expectedValue = expectedValue;
+    }
+    this.data.expectAttribute = true;
+    return this;
+  };
+
+  public doesNotHaveAttribute = (expectedAttribute: string) => {
+    this.data.expectedAttribute = expectedAttribute;
+    this.data.expectedValue = undefined;
+    this.data.expectAttribute = false;
+    return this;
+  };
+
+  public description = (description: string) => {
+    this.data.description = description;
+    return this;
+  };
+
+  public hide = () => {
+    this.data.hidden = true;
+    return this;
+  };
+
+  public getData = () => this.data;
+
+  public stringify = () => {
+    return [
+      this.data.expectAttribute !== undefined && this.data.expectAttribute ? 'Adds' : 'Does not add attribute',
+      this.data.expectAttribute !== undefined &&
+        this._expectedAttributeAndValueFormat(
+          this.data.expectAttribute,
+          this.data.expectedAttribute,
+          this.data.expectedValue,
+        ),
+      this.data.checkSpaceKeyPressed && `Triggers 'performClick' action with 'Space'`,
+      this.data.checkEnterKeyPressed && `Triggers 'performClick' action with 'Enter'`,
+      this.data.name && this.data.name !== 'root' && `to slot ${this.data.name}`,
+      this.data.description ? this.data.description : this.data.props && `for props ${this._stringifyProps()}`,
+    ]
+      .filter(Boolean)
+      .join(' ');
+  };
+
+  private _stringifyProps = () => {
+    if (!this.data.props) {
+      return '';
+    }
+
+    return this.data.props.map(prop => JSON.stringify(prop)).join(' or ');
+  };
+
+  private _expectedAttributeAndValueFormat = (
+    expectAttribute: boolean,
+    expectedAttribute: string,
+    expectedValue: PropValue,
+  ) => {
+    if (expectAttribute) {
+      return expectedValue ? `'${expectedAttribute}=${expectedValue}'` : `'${expectedAttribute}'`;
+    } else {
+      return `'${this.data.expectedAttribute}'`;
+    }
+  };
+}
+
+export class BehaviorRule {
+  public static slot = (name: string) => {
+    return new SlotRule(name);
+  };
+  public static root = () => {
+    return new SlotRule('root');
+  };
+}

packages/a11y-rules/src/types.ts

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+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type PropValue = string | number | boolean | any;
+export type Props = { [name: string]: PropValue };
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+export type AccessibilityBehavior = (props: Props) => any;
+
+export interface Rule {
+  stringify: () => string;
+}
+
+export interface Slot {
+  name: string;
+  props: Props[];
+  expectAttribute: boolean;
+  expectedAttribute: string;
+  expectedValue: PropValue;
+  description: string;
+  hidden: boolean;
+  afterEventData: Event;
+  checkClick: boolean;
+  checkSpaceKeyPressed: boolean;
+  checkEnterKeyPressed: boolean;
+  checkOnClickWasExecuted: boolean;
+}

packages/a11y-rules/tsconfig.json

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+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "outDir": "lib",
+    "target": "es6",
+    "module": "commonjs",
+    "jsx": "react",
+    "declaration": true,
+    "sourceMap": true,
+    "experimentalDecorators": true,
+    "importHelpers": true,
+    "noUnusedLocals": true,
+    "forceConsistentCasingInFileNames": true,
+    "strictNullChecks": true,
+    "noImplicitAny": true,
+    "moduleResolution": "node",
+    "skipLibCheck": true,
+    "preserveConstEnums": true,
+    "lib": ["es2017", "dom"],
+    "types": ["jest"]
+  },
+  "include": ["src"]
+}

packages/a11y-testing/.eslintrc.json

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+{
+  "extends": ["plugin:@fluentui/eslint-plugin/node"],
+  "root": true
+}

packages/a11y-testing/.npmignore

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+*.api.json
+*.config.js
+*.log
+*.nuspec
+*.test.*
+*.yml
+.editorconfig
+.eslintrc*
+.eslintcache
+.gitattributes
+.gitignore
+.vscode
+coverage
+dist-storybook
+dist/*.stats.html
+dist/*.stats.json
+dist/demo*.*
+fabric-test*
+gulpfile.js
+images
+index.html
+jsconfig.json
+node_modules
+results
+src/**/*
+!src/**/examples/*.tsx
+!src/**/docs/**/*.md
+!src/**/*.types.ts
+temp
+tsconfig.json
+tsd.json
+tslint.json
+typings
+visualtests

packages/a11y-testing/.npmrc

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+registry=https://registry.npmjs.org/
+

packages/a11y-testing/LICENSE

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+@fluentui/react-button
+
+Copyright (c) Microsoft Corporation
+
+All rights reserved.
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ""Software""), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Note: Usage of the fonts and icons referenced in Fluent UI React is subject to the terms listed at https://aka.ms/fluentui-assets-license

packages/a11y-testing/README.md

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+# @fluentui/a11y-testing
+
+Tests for testing a11y conformance of compoenents and hooks, together with typings for creating custom definitions.

packages/a11y-testing/just.config.ts

@@ -0,0 +1,6 @@
+const { preset, just } = require('@uifabric/build');
+const { task } = just;
+
+preset();
+
+task('build', 'build:node-lib').cached();

packages/a11y-testing/package.json

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+{
+  "name": "@fluentui/a11y-testing",
+  "version": "0.1.0",
+  "description": "Fluent UI tests for a11y patterns.",
+  "private": true,
+  "main": "lib/index.js",
+  "typings": "lib/index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/microsoft/fluentui"
+  },
+  "license": "MIT",
+  "scripts": {
+    "build": "just-scripts build",
+    "clean": "just-scripts clean",
+    "code-style": "just-scripts code-style",
+    "just": "just-scripts",
+    "lint": "just-scripts lint"
+  },
+  "dependencies": {
+    "@fluentui/a11y-rules": "0.1.0",
+    "@fluentui/eslint-plugin": "^0.54.0",
+    "@types/enzyme": "3.10.3",
+    "@types/jest": "~24.9.0",
+    "@types/react": "16.8.25",
+    "@types/react-dom": "16.8.4",
+    "@uifabric/build": "^7.0.0",
+    "enzyme": "~3.10.0",
+    "jest": "~24.9.0",
+    "react": "16.8.6",
+    "react-dom": "16.8.6",
+    "tslib": "^1.10.0"
+  }
+}