Options

Question 1

–colors

Answer 1

force enabling of colors (Long version of -c)

Question 2

–growl

Answer 2

(Long Form) enable growl notification support

Question 3

–invert

Answer 3

inverts –grep matches (Long version of -i)

Question 4

–slow

Answer 4

“slow” test threshold in milliseconds [75]

Question 5

–timeout

Answer 5

set test-case timeout in milliseconds [2000]

Question 6

–bail

Answer 6

(Long Form) bail after first test failure

Question 6

–async-only

Answer 6

(Long form) force all tests to take a callback (async)

Question 7

–check-leaks

Answer 7

By default Mocha will not check for global variables leaked while running tests, to enable this pass –check-leaks, to specify globals that are acceptable use –globals, for example –globals jQuery,MyLib.

Question 7

–compilers :,…

Answer 7

use the given module(s) to compile files

Question 8

–debug

Answer 8

Enables node’s debugger support, this executes your script(s) with node debug <file …> allowing you to step through code and break with the debugger statement.</file>

Question 9

–debug-brk

Answer 9

enable node’s debugger breaking on the first line

Question 10

–help

Answer 10

The long form version of the comand line option for getting help information.

Question 10

–globals <names></names>

Answer 10

Accepts a comma-delimited list of accepted global variable names. For example suppose your app deliberately exposes a global named app and YUI, you may want to add –globals app,YUI.

Question 10

–interfaces

Answer 10

display available interfaces

Question 11

–no-colors

Answer 11

force disabling of colors

Question 12

–recursive

Answer 12

include sub directories

Question 13

–reporter

Answer 13

specify the reporter to use

Question 14

–reporters

Answer 14

display available reporters

Question 15

–require

Answer 15

require the given module

Question 17

–verion

Answer 17

How do you get the version number, long form?

Question 17

–ui

Answer 17

The –ui option lets you specify the interface to use, defaulting to “bdd”.

Question 19

–watch

Answer 19

watch files for changes

Question 20

-b

Answer 20

(Short Form) bail after first test failure

Question 20

-A

Answer 20

(Short Term) force all tests to take a callback (async)

Question 22

-c

Answer 22

force enabling of colors

Question 22

-C

Answer 22

force disabling of colors

Question 25

-G

Answer 25

(Short Form) enable growl notification support

Question 27

-g

Answer 27

The –grep option when specified will trigger mocha to only run tests matching the given pattern which is internally compiled to a RegExp.

Suppose for example you have “api” related tests, as well as “app” related tests, as shown in the following snippet; One could use –grep api or –grep app to run one or the other. The same goes for any other part of a suite or test-case title, –grep users would be valid as well, or even –grep GET.

Question 28

-h

Answer 28

The short form comand line option for getting help information.

Question 30

-i

Answer 30

inverts –grep matches

Question 31

-R

Answer 31

specify the reporter to use

Question 32

-r

Answer 32

The –require option is useful for libraries such as should.js, so you may simply –require should instead of manually invoking require(‘should’) within each test file. Note that this works well for should as it augments Object.prototype, however if you wish to access a module’s exports you will have to require them, for example var should = require(‘should’).

Question 33

-s

Answer 33

“slow” test threshold in milliseconds [75]

Question 34

-d

Answer 34

(Short Form) Enables node’s debugger support, this executes your script(s) with node debug <file …> allowing you to step through code and break with the debugger statement.</file>

Question 35

-t

Answer 35

set test-case timeout in milliseconds [2000]

Question 36

-u

Answer 36

The –u option lets you specify the interface to use, defaulting to “bdd”.

Question 37

-V

Answer 37

How do you get the version number, short form?

Question 38

-w

Answer 38

watch files for changes

Question 39

What is the default timeout?

Answer 39

2000 ms (2 seconds)

Question 40

–grep

Answer 40

The –grep option when specified will trigger mocha to only run tests matching the given pattern which is internally compiled to a RegExp.

Suppose for example you have “api” related tests, as well as “app” related tests, as shown in the following snippet; One could use –grep api or –grep app to run one or the other. The same goes for any other part of a suite or test-case title, –grep users would be valid as well, or even –grep GET.