"use strict";

var helpers = require("../helpers");
var runMocha = helpers.runMocha;
var runMochaJSON = helpers.runMochaJSON;

var FIXTURE = "options/grep";

describe("--grep", function () {
  it("should run specs matching a string", function (done) {
    runMochaJSON(FIXTURE, ["--grep", "match"], function (err, res) {
      if (err) {
        return done(err);
      }
      expect(res, "to have passed")
        .and("to have passed test count", 2)
        .and("not to have pending tests");
      done();
    });
  });

  describe("should run specs matching a RegExp", function () {
    it("with RegExp-like strings (pattern followed by flag)", function (done) {
      runMochaJSON(FIXTURE, ["--grep", "/match/i"], function (err, res) {
        if (err) {
          return done(err);
        }
        expect(res, "to have passed")
          .and("to have passed test count", 4)
          .and("not to have pending tests");
        done();
      });
    });

    it("with string as pattern", function (done) {
      runMochaJSON(FIXTURE, ["--grep", ".*"], function (err, res) {
        if (err) {
          return done(err);
        }
        expect(res, "to have failed")
          .and("to have passed test count", 4)
          .and("to have failed test count", 1)
          .and("not to have pending tests");
        done();
      });
    });
  });

  describe("when used with --invert", function () {
    it("should run specs that do not match the pattern", function (done) {
      runMochaJSON(
        FIXTURE,
        ["--grep", "fail", "--invert"],
        function (err, res) {
          if (err) {
            return done(err);
          }
          expect(res, "to have passed")
            .and("to have passed test count", 4)
            .and("not to have pending tests");
          done();
        },
      );
    });
  });

  describe("when both --fgrep and --grep used together", function () {
    it("should report an error", function (done) {
      runMocha(
        FIXTURE,
        ["--fgrep", "first", "--grep", "second"],
        function (err, res) {
          if (err) {
            return done(err);
          }
          expect(res, "to have failed with output", /mutually exclusive/i);
          done();
        },
        "pipe",
      );
    });
  });
});
