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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
import sys
import os
import warnings
try:
import urllib.request, urllib.parse, urllib.error
except ImportError:
import urllib2
ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
sys.path.insert(0, ROOT)
from test.test_base import TestBase
import pygooglechart as gc
class TestDataTypes(TestBase):
def test_simple_data(self):
s = gc.SimpleData([list(range(0, 62)), [0, 1, 60, 61]])
self.assertEqual(repr(s),
'chd=s:ABCDEFGHIJKLMNOPQRSTUVWXYZ'
'abcdefghijklmnopqrstuvwxyz0123456789,AB89')
def test_text_data(self):
s = gc.TextData([[0, 1, 99.9]])
self.assertEqual(repr(s), 'chd=t:0.0,1.0,99.9')
def test_ext_data(self):
s = gc.ExtendedData([[0, 1, 4095]])
self.assertEqual(repr(s), 'chd=e:AAAB..')
class TestScaling(TestBase):
def test_simple_scale(self):
sv = gc.SimpleData.scale_value
self.raise_warnings(False) # We know some of these give warnings
self.assertEqual(sv(-10, [0, 1]), 0)
self.assertEqual(sv(0, [0, 1]), 0)
# XXX this will change depending on whether we're in 2.x or 3.x; the
# XXX behavior seems sufficient either way but it should be checked
# XXX more thoroughly
if sys.version_info >= (3, 0):
expected = 30
else:
expected = 31
self.assertEqual(sv(.5, [0, 1]), expected)
self.assertEqual(sv(30, [0, 1]), 61)
self.assertEqual(sv(2222, [0, 10000]), 14)
# Test for warnings
self.raise_warnings(True)
self.assertRaises(UserWarning, sv, -10, [0, 1])
self.assertRaises(UserWarning, sv, 30, [0, 1])
def test_text_scale(self):
sv = gc.TextData.scale_value
self.raise_warnings(False)
self.assertEqual(sv(-10, [0, 1]), 0)
self.assertEqual(sv(0, [0, 1]), 0)
self.assertEqual(sv(.5, [0, 1]), 50)
self.assertEqual(sv(30, [0, 1]), 100)
self.assertEqual(sv(2222, [0, 10000]), 22.22)
self.raise_warnings(True)
self.assertRaises(UserWarning, sv, -10, [0, 1])
self.assertRaises(UserWarning, sv, 30, [0, 1])
def test_ext_scale(self):
sv = gc.ExtendedData.scale_value
self.raise_warnings(False)
self.assertEqual(sv(-10, [0, 1]), 0)
self.assertEqual(sv(0, [0, 1]), 0)
self.assertEqual(sv(.5, [0, 1]), 2048)
self.assertEqual(sv(30, [0, 1]), 4095)
self.assertEqual(sv(2222, [0, 10000]), 910)
self.raise_warnings(True)
self.assertRaises(UserWarning, sv, -10, [0, 1])
self.assertRaises(UserWarning, sv, 30, [0, 1])
class TestTitleStyle(TestBase):
def test_title_style(self):
chart = gc.SimpleLineChart(300, 100)
chart.set_title_style()
self.assertEqual(chart.title_colour, None)
self.assertEqual(chart.title_font_size, None)
chart = gc.SimpleLineChart(300, 100)
chart.set_title_style(font_size=30)
self.assertEqual(chart.title_colour, '333333')
self.assertEqual(chart.title_font_size, 30)
chart = gc.SimpleLineChart(300, 100)
chart.set_title_style(colour='123456')
self.assertEqual(chart.title_colour, '123456')
self.assertEqual(chart.title_font_size, 13.5)
chart = gc.SimpleLineChart(300, 100)
chart.set_title_style(font_size=100, colour='123456')
self.assertEqual(chart.title_colour, '123456')
self.assertEqual(chart.title_font_size, 100)
class TestLineChart(TestBase):
def test_none_data(self):
chart = gc.SimpleLineChart(300, 100)
chart.add_data([1, 2, 3, None, 5])
print(chart.get_url())
self.assertChartURL(chart.get_url(), \
'?cht=lc&chs=300x100&chd=e:AAMzZm__zM')
class TestQRChart(TestBase):
def assertQRImage(self, chart, text):
try:
import PyQrcodec
except ImportError:
print('PyQrCodec not installed. Can not test QR code image')
return
chart.download(self.temp_image)
status, string = PyQrcodec.decode(self.temp_image)
self.assertTrue(status)
self.assertEqual(text, string)
def test_simple(self):
text = 'Hello World'
chart = gc.QRChart(100, 150)
chart.add_data(text)
self.assertChartURL(chart.get_url(), \
'?cht=qr&chs=100x150&chl=Hello%20World')
def test_encoding(self):
chart = gc.QRChart(100, 100)
chart.add_data('Hello World')
self.assertChartURL(chart.get_url(), \
'?cht=qr&chs=100x100&chl=Hello%20World')
def test_no_data(self):
chart = gc.QRChart(100, 100)
self.assertRaises(gc.NoDataGivenException, chart.get_url)
def test_validate_image(self):
text = 'Hello World'
chart = gc.QRChart(100, 100)
chart.add_data(text)
chart.set_ec('H', 0) # PyQrcodec seems to only work on higher EC
self.assertQRImage(chart, text)
def test_validate_utf8(self):
text = 'こんにちは世界' # Hello world in Japanese UTF-8
chart = gc.QRChart(100, 100)
chart.add_data(text)
chart.set_ec('H', 0)
self.assertQRImage(chart, text)
class TestGrammar(TestBase):
types = ('Venn', 'GroupedHorizontalBar', 'GoogleOMeter', 'Scatter',
'StackedVerticalBar', 'Map', 'StackedHorizontalBar', 'SimpleLine',
'SparkLine', 'GroupedVerticalBar', 'SplineRadar', 'XYLine', 'Radar',
'QR')
def test_chart_types(self):
ret = gc.ChartGrammar.get_possible_chart_types()
diff = set(ret).symmetric_difference(set(TestGrammar.types))
self.assertTrue(not diff)
def test_google_chart(self):
g = {
'type': 'GoogleOMeter',
'w': 100,
'h': 100,
'auto_scale': True,
'x_range': [ 0, 10 ],
'data': [
[ 1, 5, 10 ]
],
}
grammar = gc.ChartGrammar()
chart = grammar.parse(g)
# print chart.get_url()
# chart.download('meh.png')
if __name__ == "__main__":
unittest.main()
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