A brief outline on the order Mocha’s components are executed. Worth noting that all hooks, describe
and it
callbacks are run in the order they are defined (i.e. found in the file).
run 'mocha spec.js'
|
spawn child process
|
|--------------> inside child process
process and apply options
|
run spec file/s
|
|--------------> per spec file
suite callbacks (e.g., 'describe')
|
'before' root-level pre-hook
|
'before' pre-hook
|
|--------------> per test
'beforeEach' root-level pre-hook
|
'beforeEach' pre-hook
|
test callbacks (e.g., 'it')
|
'afterEach' post-hook
|
'afterEach' root-level post-hook
|<-------------- per test end
|
'after' post-hook
|
'after' root-level post-hooks
|<-------------- per spec file end
|<-------------- inside child process end