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import time

from react.render import render_component

from .settings import Components

def median(l):

half = int(len(l) / 2)

l.sort()

if len(l) % 2 == 0:

return (l[half-1] + l[half]) / 2.0

else:

return l[half]

def run_perf_test():

render_component_times = []

rendered_components = []

iteration_count = 25

for i in range(iteration_count):

start = time.time()

rendered_components.append(

render_component(

Components.PERF_TEST,

{'name': 'world'},

to_static_markup=True,

)

)

end = time.time()

render_component_times.append(end - start)

for component in rendered_components:

assert str(component) == '<span>Hello world</span>'

print('Total time taken to render a component {iteration_count} times: {value}'.format(

iteration_count=iteration_count,

value=sum(render_component_times)

))

print('Times: {}'.format(render_component_times))

print('Max: {}'.format(max(render_component_times)))

print('Min: {}'.format(min(render_component_times)))

print('Mean: {}'.format(sum(render_component_times) / len(render_component_times)))

print('Median: {}'.format(median(render_component_times)))