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import { Route } from "../../mod.ts";import { expect } from "../deps.ts";import { describe, it } from "../utils.ts";import type {  IRoute,  NextFunction,  OpineRequest,  OpineResponse,} from "../../src/types.ts";import { methods } from "../../src/methods.ts";
describe("Route", function () {  it("should work without handlers", function (done) {    const req = { method: "GET", url: "/" };    const route = new Route("/foo");    route.dispatch(req, {}, done);  });
  describe(".all", function () {    it("should add handler", function (done) {      const req: any = { method: "GET", url: "/" };      const route: IRoute = new Route("/foo");
      route.all(function (req, res, next) {        (req as any).called = true;        next();      });
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.called).toBeTruthy();        done();      });    });
    it("should handle VERBS", function (done) {      let count = 0;      const route: IRoute = new Route("/foo");
      const cb = function (err: any) {        if (count < methods.length) return;        if (err) return done(err);        expect(count).toEqual(methods.length);        done();      };
      route.all(function (req, res, next) {        count++;        next();      });
      methods.forEach(function testMethod(method) {        const req: any = { method: method, url: "/" };        route.dispatch(req, {} as any, cb);      });    });
    it("should stack", function (done) {      const req: any = { count: 0, method: "GET", url: "/" };      const route: IRoute = new Route("/foo");
      route.all(function (req, res, next) {        (req as any).count++;        next();      });
      route.all(function (req, res, next) {        (req as any).count++;        next();      });
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.count).toEqual(2);        done();      });    });  });
  describe(".VERB", function () {    it("should support .get", function (done) {      const req: any = { method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.get(function (req, res, next) {        (req as any).called = true;        next();      });
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.called).toBeTruthy();        done();      });    });
    it("should limit to just .VERB", function (done) {      const req: any = { method: "POST", url: "/" };      const route: IRoute = new Route("");
      route.get(function (req, res, next) {        throw new Error("not me!");      });
      route.post(function (req, res, next) {        (req as any).called = true;        next();      });
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.called).toBeTruthy();        done();      });    });
    it("should allow fallthrough", function (done) {      const req: any = { order: "", method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.get(function (req, res, next) {        (req as any).order += "a";        next();      });
      route.all(function (req, res, next) {        (req as any).order += "b";        next();      });
      route.get(function (req, res, next) {        (req as any).order += "c";        next();      });
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.order).toEqual("abc");        done();      });    });  });
  describe("errors", function () {    it("should handle errors via arity 4 functions", function (done) {      const req: any = { order: "", method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.all(function (req, res, next) {        next(new Error("foobar"));      });
      route.all(function (req, res, next) {        (req as any).order += "0";        next();      });
      route.all(        function (          err: Error,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          (req as any).order += "a";          next(err);        },      );
      route.dispatch(req, {} as any, function (err: any) {        expect(err).toBeDefined();        expect(err.message).toEqual("foobar");        expect(req.order).toEqual("a");        done();      });    });
    it("should handle throw", function (done) {      const req: any = { order: "", method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.all(function (req, res, next) {        throw new Error("foobar");      });
      route.all(function (req, res, next) {        (req as any).order += "0";        next();      });
      route.all(        function (          err: Error,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          (req as any).order += "a";          next(err);        },      );
      route.dispatch(req, {} as any, function (err: any) {        expect(err).toBeDefined();        expect(err.message).toEqual("foobar");        expect(req.order).toEqual("a");        done();      });    });
    it("should handle throwing inside error handlers", function (done) {      const req: any = { method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.get(function (req, res, next) {        throw new Error("boom!");      });
      route.get(        function (          err: Error,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          throw new Error("oops");        },      );
      route.get(        function (          err: Error,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          (req as any).message = err.message;          next();        },      );
      route.dispatch(req, {} as any, function (err: any) {        if (err) return done(err);        expect(req.message).toEqual("oops");        done();      });    });
    it("should handle throw in .all", function (done) {      const req: any = { method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.all(function (req, res, next) {        throw new Error("boom!");      });
      route.dispatch(req, {} as any, function (err: any) {        expect(err).toBeDefined();        expect(err.message).toEqual("boom!");        done();      });    });
    it("should handle single error handler", function (done) {      const req: any = { method: "GET", url: "/" };      const route: IRoute = new Route("");
      route.all(        function (          err: Error,          req: OpineRequest,          res: OpineResponse,          next: NextFunction,        ) {          // this should not execute          done(new Error("'route.all' should not have been executed"));        },      );
      route.dispatch(req, {} as any, done);    });  });});