def test_timeseries(self):
vis_data = {
'data': [self.ts_data, ],
'names': ['Fibonacci Numbers', ],
'colors': ['#7C8BD9', ],
'linestyles': ['-', ],
}
vis_labels = {
'title': 'First Ten Fibonacci Numbers',
'x': 'Sequence Number',
'y': 'Fibonacci Number'}
chart_png_str = create_chart_as_png_str(
'timeseries',
vis_data,
labels_dct=vis_labels,
template='clean',)
# In case you want to see the chart with your own eyes:
#
# ts_chart_filename = "ts_chart_from_unittest.png"
# the_file = open(ts_chart_filename, 'w')
# the_file.write(chart_png_str)
# the_file.close()
#
# Otherwise, trust this hash of what the chart should be:
assert hash(chart_png_str) == -7569801611015431504
def test_timeseries(self):
vis_data = {
'data': [
self.bar_data,
],
'names': [
'Foo Data',
],
'colors': [
'#7C8BD9',
],
}
vis_labels = {'title': 'Some Kind of Data', 'x': 'Data', 'y': 'Value'}
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',
)
# In case you want to see the chart with your own eyes:
#
# ts_chart_filename = "bar_chart_from_unittest.png"
# the_file = open(ts_chart_filename, 'w')
# the_file.write(chart_png_str)
# the_file.close()
#
assert hash(chart_png_str) == 6805953041015498766
def test_timeseries(self):
vis_data = {
'data': [
self.ts_data,
],
'names': [
'Fibonacci Numbers',
],
'colors': [
'#7C8BD9',
],
'linestyles': [
'-',
],
}
vis_labels = {
'title': 'First Ten Fibonacci Numbers',
'x': 'Sequence Number',
'y': 'Fibonacci Number'
}
chart_png_str = create_chart_as_png_str(
'timeseries',
vis_data,
labels_dct=vis_labels,
template='clean',
)
# In case you want to see the chart with your own eyes:
#
# ts_chart_filename = "ts_chart_from_unittest.png"
# the_file = open(ts_chart_filename, 'w')
# the_file.write(chart_png_str)
# the_file.close()
#
# Otherwise, trust this hash of what the chart should be:
assert hash(chart_png_str) == -7569801611015431504
def test_bad_chart_data(self):
vis_data = [1, 2, 3, 4, 5]
vis_labels = {'title': 'Some Kind of Data', 'x': 'Data', 'y': 'Value'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'timeseries',
vis_data,
labels_dct=vis_labels,
template='clean',
)
def test_bad_chart_data(self):
vis_data = [1, 2, 3, 4, 5]
vis_labels = {
'title': 'Some Kind of Data',
'x': 'Data',
'y': 'Value'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'timeseries',
vis_data,
labels_dct=vis_labels,
template='clean',)
def test_bad_chart_labels(self):
vis_data = {
'data': [self.bar_data, ],
'names': ['Foo barchart data', ],
}
vis_labels = {'foo': 'bar'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',)
def show_ts_plot_png(request):
fake_data_dct = {'data': [[1, 2, 1, 2, 3, -1, 4, -2, 2.5, 1.3]]}
img_str = create_chart_as_png_str('timeseries', fake_data_dct, {}, '')
#
# From here the Django-specific part follows; not much to it:
#
response = HttpResponse(img_str, mimetype='image/png')
# Development note: the function create_timeseries_png_str uses a
# StringIO approach, which is better than some examples (on the
# web) using print_png(response); when I tried those (as below) it
# causes timeout error messages on the server-side.
#
# figure.print_png(response)
return response
def test_bad_chart_type(self):
vis_data = {
'data': [self.bar_data, ],
'names': ['Foo barchart data', ],
}
vis_labels = {
'title': 'Some Kind of Data',
'x': 'Data',
'y': 'Value'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'foo',
vis_data,
labels_dct=vis_labels,
template='clean',)
def test_bad_chart_data_two(self):
vis_data = {
'data': [[], []],
'names': ['Foo data', ],
}
vis_labels = {
'title': '',
'x': '',
'y': ''}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',)
def test_bad_chart_data_two(self):
vis_data = {
'data': [[], []],
'names': [
'Foo data',
],
}
vis_labels = {'title': '', 'x': '', 'y': ''}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',
)
def show_ts_plot_png(request):
fake_data_dct = {
'data': [[1, 2, 1, 2, 3, -1, 4, -2, 2.5, 1.3]]}
img_str = create_chart_as_png_str('timeseries', fake_data_dct, {}, '')
#
# From here the Django-specific part follows; not much to it:
#
response = HttpResponse(img_str, mimetype='image/png')
# Development note: the function create_timeseries_png_str uses a
# StringIO approach, which is better than some examples (on the
# web) using print_png(response); when I tried those (as below) it
# causes timeout error messages on the server-side.
#
# figure.print_png(response)
return response
def test_bad_chart_type(self):
vis_data = {
'data': [
self.bar_data,
],
'names': [
'Foo barchart data',
],
}
vis_labels = {'title': 'Some Kind of Data', 'x': 'Data', 'y': 'Value'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'foo',
vis_data,
labels_dct=vis_labels,
template='clean',
)
def test_bad_chart_labels(self):
vis_data = {
'data': [
self.bar_data,
],
'names': [
'Foo barchart data',
],
}
vis_labels = {'foo': 'bar'}
with pytest.raises(AssertionError):
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',
)
def test_timeseries(self):
vis_data = {
'data': [self.bar_data, ],
'names': ['Foo Data', ],
'colors': ['#7C8BD9', ],
}
vis_labels = {
'title': 'Some Kind of Data',
'x': 'Data',
'y': 'Value'}
chart_png_str = create_chart_as_png_str(
'barchart',
vis_data,
labels_dct=vis_labels,
template='clean',)
# In case you want to see the chart with your own eyes:
#
# ts_chart_filename = "bar_chart_from_unittest.png"
# the_file = open(ts_chart_filename, 'w')
# the_file.write(chart_png_str)
# the_file.close()
#
assert hash(chart_png_str) == 6805953041015498766
from webplotlib.chart_builders import create_chart_as_png_str
chart_png_str = create_chart_as_png_str(
'timeseries',
{'data': [[1, 2, 3, 4]], 'names': 'MyDataLine'},
labels_dct={'title': 'TheBigBoard', 'x': 'Data', 'y': 'Value'})
def show_bar_plot_png(request):
fake_data_dct = {'data': [[1, 2, 1, 2, 3, -11, 4, -2, 2.5, 1.3]]}
img_str = create_chart_as_png_str('barchart', fake_data_dct, {}, '')
response = HttpResponse(img_str, mimetype='image/png')
return response
def show_bar_plot_png(request):
fake_data_dct = {
'data': [[1, 2, 1, 2, 3, -11, 4, -2, 2.5, 1.3]]}
img_str = create_chart_as_png_str('barchart', fake_data_dct, {}, '')
response = HttpResponse(img_str, mimetype='image/png')
return response
