add basic snapshot test

typings/globals/mocha/index.d.ts

@@ -0,0 +1,230 @@
+// Generated by typings
+// Source: https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/1a428e1fdb71c76e88da0b27f5a9df1e96294001/mocha/index.d.ts
+interface MochaSetupOptions {
+    //milliseconds to wait before considering a test slow
+    slow?: number;
+
+    // timeout in milliseconds
+    timeout?: number;
+
+    // ui name "bdd", "tdd", "exports" etc
+    ui?: string;
+
+    //array of accepted globals
+    globals?: any[];
+
+    // reporter instance (function or string), defaults to `mocha.reporters.Spec`
+    reporter?: any;
+
+    // bail on the first test failure
+    bail?: boolean;
+
+    // ignore global leaks
+    ignoreLeaks?: boolean;
+
+    // grep string or regexp to filter tests with
+    grep?: any;
+}
+
+declare var mocha: Mocha;
+declare var describe: Mocha.IContextDefinition;
+declare var xdescribe: Mocha.IContextDefinition;
+// alias for `describe`
+declare var context: Mocha.IContextDefinition;
+// alias for `describe`
+declare var suite: Mocha.IContextDefinition;
+declare var it: Mocha.ITestDefinition;
+declare var xit: Mocha.ITestDefinition;
+// alias for `it`
+declare var test: Mocha.ITestDefinition;
+declare var specify: Mocha.ITestDefinition;
+
+// Used with the --delay flag; see https://mochajs.org/#hooks
+declare function run(): void;
+
+interface MochaDone {
+    (error?: any): any;
+}
+
+declare function setup(callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+declare function teardown(callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+declare function suiteSetup(callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function suiteTeardown(callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function before(callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function before(description: string, callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function after(callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function after(description: string, callback: (this: Mocha.IHookCallbackContext, done: MochaDone) => any): void;
+declare function beforeEach(callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+declare function beforeEach(description: string, callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+declare function afterEach(callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+declare function afterEach(description: string, callback: (this: Mocha.IBeforeAndAfterContext, done: MochaDone) => any): void;
+
+declare class Mocha {
+    currentTest: Mocha.ITestDefinition;
+    constructor(options?: {
+        grep?: RegExp;
+        ui?: string;
+        reporter?: string;
+        timeout?: number;
+        reporterOptions?: any;
+        slow?: number;
+        bail?: boolean;
+    });
+
+    /** Setup mocha with the given options. */
+    setup(options: MochaSetupOptions): Mocha;
+    bail(value?: boolean): Mocha;
+    addFile(file: string): Mocha;
+    /** Sets reporter by name, defaults to "spec". */
+    reporter(name: string): Mocha;
+    /** Sets reporter constructor, defaults to mocha.reporters.Spec. */
+    reporter(reporter: (runner: Mocha.IRunner, options: any) => any): Mocha;
+    ui(value: string): Mocha;
+    grep(value: string): Mocha;
+    grep(value: RegExp): Mocha;
+    invert(): Mocha;
+    ignoreLeaks(value: boolean): Mocha;
+    checkLeaks(): Mocha;
+    /**
+     * Function to allow assertion libraries to throw errors directly into mocha.
+     * This is useful when running tests in a browser because window.onerror will
+     * only receive the 'message' attribute of the Error.
+     */
+    throwError(error: Error): void;
+    /** Enables growl support. */
+    growl(): Mocha;
+    globals(value: string): Mocha;
+    globals(values: string[]): Mocha;
+    useColors(value: boolean): Mocha;
+    useInlineDiffs(value: boolean): Mocha;
+    timeout(value: number): Mocha;
+    slow(value: number): Mocha;
+    enableTimeouts(value: boolean): Mocha;
+    asyncOnly(value: boolean): Mocha;
+    noHighlighting(value: boolean): Mocha;
+    /** Runs tests and invokes `onComplete()` when finished. */
+    run(onComplete?: (failures: number) => void): Mocha.IRunner;
+}
+
+// merge the Mocha class declaration with a module
+declare namespace Mocha {
+    interface ISuiteCallbackContext {
+        timeout(ms: number): void;
+        retries(n: number): void;
+        slow(ms: number): void;
+    }
+
+    interface IHookCallbackContext {
+        skip(): void;
+        timeout(ms: number): void;
+        [index: string]: any;
+    }
+
+
+    interface ITestCallbackContext {
+        skip(): void;
+        timeout(ms: number): void;
+        retries(n: number): void;
+        slow(ms: number): void;
+        [index: string]: any;
+    }
+
+    /** Partial interface for Mocha's `Runnable` class. */
+    interface IRunnable {
+        title: string;
+        fn: Function;
+        async: boolean;
+        sync: boolean;
+        timedOut: boolean;
+    }
+
+    /** Partial interface for Mocha's `Suite` class. */
+    interface ISuite {
+        parent: ISuite;
+        title: string;
+
+        fullTitle(): string;
+    }
+
+    /** Partial interface for Mocha's `Test` class. */
+    interface ITest extends IRunnable {
+        parent: ISuite;
+        pending: boolean;
+        state: 'failed'|'passed'|undefined;
+
+        fullTitle(): string;
+    }
+
+    interface IBeforeAndAfterContext extends IHookCallbackContext {
+        currentTest: ITest;
+    }
+
+
+    /** Partial interface for Mocha's `Runner` class. */
+    interface IRunner { }
+
+    interface IContextDefinition {
+        (description: string, callback: (this: ISuiteCallbackContext) => void): ISuite;
+        only(description: string, callback: (this: ISuiteCallbackContext) => void): ISuite;
+        skip(description: string, callback: (this: ISuiteCallbackContext) => void): void;
+        timeout(ms: number): void;
+    }
+
+    interface ITestDefinition {
+        (expectation: string, callback?: (this: ITestCallbackContext, done: MochaDone) => any): ITest;
+        only(expectation: string, callback?: (this: ITestCallbackContext, done: MochaDone) => any): ITest;
+        skip(expectation: string, callback?: (this: ITestCallbackContext, done: MochaDone) => any): void;
+        timeout(ms: number): void;
+        state: "failed" | "passed";
+    }
+
+    export module reporters {
+        export class Base {
+            stats: {
+                suites: number;
+                tests: number;
+                passes: number;
+                pending: number;
+                failures: number;
+            };
+
+            constructor(runner: IRunner);
+        }
+
+        export class Doc extends Base { }
+        export class Dot extends Base { }
+        export class HTML extends Base { }
+        export class HTMLCov extends Base { }
+        export class JSON extends Base { }
+        export class JSONCov extends Base { }
+        export class JSONStream extends Base { }
+        export class Landing extends Base { }
+        export class List extends Base { }
+        export class Markdown extends Base { }
+        export class Min extends Base { }
+        export class Nyan extends Base { }
+        export class Progress extends Base {
+            /**
+             * @param options.open String used to indicate the start of the progress bar.
+             * @param options.complete String used to indicate a complete test on the progress bar.
+             * @param options.incomplete String used to indicate an incomplete test on the progress bar.
+             * @param options.close String used to indicate the end of the progress bar.
+             */
+            constructor(runner: IRunner, options?: {
+                open?: string;
+                complete?: string;
+                incomplete?: string;
+                close?: string;
+            });
+        }
+        export class Spec extends Base { }
+        export class TAP extends Base { }
+        export class XUnit extends Base {
+            constructor(runner: IRunner, options?: any);
+        }
+    }
+}
+
+declare module "mocha" {
+    export = Mocha;
+}

typings/globals/mocha/typings.json

@@ -0,0 +1,8 @@
+{
+  "resolution": "main",
+  "tree": {
+    "src": "https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/1a428e1fdb71c76e88da0b27f5a9df1e96294001/mocha/index.d.ts",
+    "raw": "registry:dt/mocha#2.2.5+20170204022515",
+    "typings": "https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/1a428e1fdb71c76e88da0b27f5a9df1e96294001/mocha/index.d.ts"
+  }
+}

typings/index.d.ts

@@ -1 +1,2 @@
+/// <reference path="globals/mocha/index.d.ts" />
 /// <reference path="modules/clone/index.d.ts" />