def test_performance(self):
print('\n' + ('-' * 80))
print('react-render performance test')
print('-' * 80)
render_component_times = []
render_watched_component_times = []
rendered_components = []
iteration_count = 25
for i in range(iteration_count):
start = time.time()
rendered_components.append(
render_component(path_to_component,
props={'name': 'world'},
to_static_markup=True))
end = time.time()
render_component_times.append(end - start)
for i in range(iteration_count):
start = time.time()
rendered_components.append(
render_component(path_to_component,
props={'name': 'world'},
to_static_markup=True))
end = time.time()
render_watched_component_times.append(end - start)
for component in rendered_components:
self.assertEqual(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: {value}'.format(value=render_component_times))
print('Max: {value}'.format(value=max(render_component_times)))
print('Min: {value}'.format(value=min(render_component_times)))
print('Mean: {value}'.format(value=sum(render_component_times) /
len(render_component_times)))
print('Median: {value}'.format(value=median(render_component_times)))
print(
'\nTotal time taken to render a watched component {iteration_count} times: {value}'
.format(iteration_count=iteration_count,
value=sum(render_watched_component_times)))
print('Times: {value}'.format(value=render_watched_component_times))
print('Max: {value}'.format(value=max(render_watched_component_times)))
print('Min: {value}'.format(value=min(render_watched_component_times)))
print(
'Mean: {value}'.format(value=sum(render_watched_component_times) /
len(render_watched_component_times)))
print('Median: {value}'.format(
value=median(render_watched_component_times)))
def test_performance(self):
print('\n' + ('-' * 80))
print('react-render performance test')
print('-' * 80)
render_component_times = []
render_watched_component_times = []
rendered_components = []
iteration_count = 25
for i in range(iteration_count):
start = time.time()
rendered_components.append(
render_component(path_to_component, props={'name': 'world'}, to_static_markup=True)
)
end = time.time()
render_component_times.append(end - start)
for i in range(iteration_count):
start = time.time()
rendered_components.append(
render_component(path_to_component, props={'name': 'world'}, to_static_markup=True)
)
end = time.time()
render_watched_component_times.append(end - start)
for component in rendered_components:
self.assertEqual(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: {value}'.format(value=render_component_times))
print('Max: {value}'.format(value=max(render_component_times)))
print('Min: {value}'.format(value=min(render_component_times)))
print('Mean: {value}'.format(value=sum(render_component_times) / len(render_component_times)))
print('Median: {value}'.format(value=median(render_component_times)))
print('\nTotal time taken to render a watched component {iteration_count} times: {value}'.format(
iteration_count=iteration_count,
value=sum(render_watched_component_times)
))
print('Times: {value}'.format(value=render_watched_component_times))
print('Max: {value}'.format(value=max(render_watched_component_times)))
print('Min: {value}'.format(value=min(render_watched_component_times)))
print('Mean: {value}'.format(value=sum(render_watched_component_times) / len(render_watched_component_times)))
print('Median: {value}'.format(value=median(render_watched_component_times)))
def index(request):
# Param flag to deactivate client-side Javascript
no_js = 'no-js' in request.GET
# Render the CommentBox component down to HTML
comment_box = render_component(
# The path to the component is resolved via Django's
# static-file finders
'js/main.server.js',
# We can pass data along to the component which will be
# accessible from the component via its `this.props` property
props={
'comments': comments,
'url': reverse('comment'),
'pollInterval': 2000,
},
# If we intend to use React on the client-side, React will
# add extra attributes to the HTML so that the initial mount
# is faster, however these extra attributes are unnecessary
# if there is no JS on the client-side.
to_static_markup=no_js
)
context = {
'comment_box': comment_box,
'no_js': no_js,
}
return render(request, 'example_app/index.html', context)
def index(request):
# Properties to pass into react component
props = {
'products': [model_to_dict(m) for m in PRODUCTS]
}
context = {
# Render the CommentBox component down to HTML
'react_component': render_component('js/server/Component.js', props),
}
return render(request, 'index.html', context)