Example for mocha hook hierarchy

mocha-hook-hierarchy.js

'use strict';

var should = require('chai').should();

describe("A", function() {
  before(function (done) {
    console.log("-- 1 A.before");
    done();
  });

  after(function (done) {
    console.log("-- 1 A.after");
    done();
  });

  beforeEach(function(done) {
    console.log("-- 3 A.beforeEach");
    done();
  });

  afterEach(function(done) {
    console.log("-- 3 A.afterEach");
    done();
  });


  describe("A.1", function() {
    before(function (done) {
      console.log("-- 2 A.1.before");
      done();
    });

    after(function (done) {
      console.log("-- 2 A.1.after");
      done();
    });

    beforeEach(function(done) {
      console.log("-- 4 A.1.beforeEach");
      done();
    });

    afterEach(function(done) {
      console.log("-- 4 A.1.afterEach");
      done();
    });

    it("A.1.a", function(done) {
      console.log("-- 5 A.1.a");
      done();
    });

    it("A.1.b", function(done) {
      console.log("-- 5 A.1.b");
      done();
    });
  });

  describe("A.2", function() {
    before(function (done) {
      console.log("-- 2 A.2.before");
      done();
    });

    after(function (done) {
      console.log("-- 2 A.2.after");
      done();
    });

    beforeEach(function(done) {
      console.log("-- 4 A.2.beforeEach");
      done();
    });

    afterEach(function(done) {
      console.log("-- 4 A.2.afterEach");
      done();
    });

    it("A.2.a", function(done) {
      console.log("-- 5 A.2.a");
      done();
    });

    it("A.2.b", function(done) {
      console.log("-- 5 A.2.b");
      done();
    });

    describe("A.2.1", function() {
      before(function (done) {
        console.log("-- 2 A.2.1.before");
        done();
      });

      after(function (done) {
        console.log("-- 2 A.2.1.after");
        done();
      });

      beforeEach(function(done) {
        console.log("-- 5 A.2.1.beforeEach");
        done();
      });

      afterEach(function(done) {
        console.log("-- 5 A.2.1.afterEach");
        done();
      });

      it("A.2.1.a", function(done) {
        console.log("-- 6 A.2.1.a");
        done();
      });

      it("A.2.1.b", function(done) {
        console.log("-- 6 A.2.1.b");
        done();
      });
    });
  });
});

our.sh

mocha mocha-hook-hierarchy.js | grep ^--

# -- 1 A.before
# -- 2 A.1.before
# -- 3 A.beforeEach
# -- 4 A.1.beforeEach
# -- 5 A.1.a
# -- 4 A.1.afterEach
# -- 3 A.afterEach
# -- 3 A.beforeEach
# -- 4 A.1.beforeEach
# -- 5 A.1.b
# -- 4 A.1.afterEach
# -- 3 A.afterEach
# -- 2 A.1.after
# -- 2 A.2.before
# -- 3 A.beforeEach
# -- 4 A.2.beforeEach
# -- 5 A.2.a
# -- 4 A.2.afterEach
# -- 3 A.afterEach
# -- 3 A.beforeEach
# -- 4 A.2.beforeEach
# -- 5 A.2.b
# -- 4 A.2.afterEach
# -- 3 A.afterEach
# -- 2 A.2.1.before
# -- 3 A.beforeEach
# -- 4 A.2.beforeEach
# -- 5 A.2.1.beforeEach
# -- 6 A.2.1.a
# -- 5 A.2.1.afterEach
# -- 4 A.2.afterEach
# -- 3 A.afterEach
# -- 3 A.beforeEach
# -- 4 A.2.beforeEach
# -- 5 A.2.1.beforeEach
# -- 6 A.2.1.b
# -- 5 A.2.1.afterEach
# -- 4 A.2.afterEach
# -- 3 A.afterEach
# -- 2 A.2.1.after
# -- 2 A.2.after
# -- 1 A.after