/**

* -------------------------------------------------------------------------------------------

* Copyright (c) Microsoft Corporation. All Rights Reserved. Licensed under the MIT License.

* See License in the project root for license information.

* -------------------------------------------------------------------------------------------

*/

import { assert } from "chai";

import "isomorphic-fetch";

import { CustomAuthenticationProvider, TelemetryHandler } from "../../src";

import { Client } from "../../src/Client";

import { AuthProvider } from "../../src/IAuthProvider";

import { ClientOptions } from "../../src/IClientOptions";

import { Options } from "../../src/IOptions";

import { AuthenticationHandler } from "../../src/middleware/AuthenticationHandler";

import { ChaosHandler } from "../../src/middleware/ChaosHandler";

import { ChaosHandlerOptions } from "../../src/middleware/options/ChaosHandlerOptions";

import { ChaosStrategy } from "../../src/middleware/options/ChaosStrategy";

import { DummyAuthenticationProvider } from "../DummyAuthenticationProvider";

import { DummyHTTPMessageHandler } from "../DummyHTTPMessageHandler";

describe("Client.ts", () => {

/* tslint:disable: no-string-literal */

describe("initWithMiddleware", () => {

const dummyAuthProvider = new DummyAuthenticationProvider();

const dummyHTTPHandler = new DummyHTTPMessageHandler();

it("Should throw an error in case if both auth provider and custom middleware is passed", () => {

try {

const options: ClientOptions = {

authProvider: dummyAuthProvider,

middleware: dummyHTTPHandler,

};

const client: Client = Client.initWithMiddleware(options);

throw new Error("Something wrong with the ambiguity check");

} catch (error) {

assert.equal(error.name, "AmbiguityInInitialization");

}

});

it("Should return client instance for an authentication provider", () => {

const options: ClientOptions = {

authProvider: dummyAuthProvider,

};

const client: Client = Client.initWithMiddleware(options);

assert.isTrue(client instanceof Client);

assert.isDefined(client["httpClient"]);

});

it("Should return client instance for a custom middleware chain", () => {

const options: ClientOptions = {

middleware: dummyHTTPHandler,

};

const client: Client = Client.initWithMiddleware(options);

assert.isTrue(client instanceof Client);

assert.isDefined(client["httpClient"]);

});

it("Should throw error in case of neither auth provider nor custom middleware is passed", () => {

try {

const options: ClientOptions = {};

Client.initWithMiddleware(options);

throw new Error("Something wrong with the client initialization check");

} catch (error) {

assert.equal(error.name, "InvalidMiddlewareChain");

}

});

it("Init middleware using a middleware array", async () => {

const provider: AuthProvider = (done) => {

done(null, "dummy_token");

};

const authHandler = new AuthenticationHandler(new CustomAuthenticationProvider(provider));

const responseBody = "Test response body";

const options = new ChaosHandlerOptions(ChaosStrategy.MANUAL, "Testing middleware array", 200, 0, responseBody);

const middlewareArray = [authHandler, new ChaosHandler(options)];

const client = Client.initWithMiddleware({ middleware: middlewareArray });

const response = await client.api("me").get();

assert.equal(response, responseBody);

});

it("Init middleware using a chained middleware array", async () => {

const provider: AuthProvider = (done) => {

done(null, "dummy_token");

};

const authHandler = new AuthenticationHandler(new CustomAuthenticationProvider(provider));

const responseBody = "Test response body";

const options = new ChaosHandlerOptions(ChaosStrategy.MANUAL, "Testing chained middleware array", 200, 0, responseBody);

const chaosHandler = new ChaosHandler(options);

const telemetryHandler = new TelemetryHandler();

authHandler.setNext(telemetryHandler);

telemetryHandler.setNext(chaosHandler);

const middlewareArray = [authHandler];

const client = Client.initWithMiddleware({ middleware: middlewareArray });

const response = await client.api("me").get();

assert.equal(response, responseBody);

});

});

describe("init", () => {

it("Should return a client instance with default authentication provider and default middleware chain", () => {

const provider: AuthProvider = (done) => {

done(null, "dummy_token");

};

const options: Options = {

authProvider: provider,

};

const client: Client = Client.init(options);

assert.isDefined(client["httpClient"]);

});

});

/* tslint:enable: no-string-literal */

});