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#!/usr/bin/env python
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, outputfile, printLocation
setOutDir(__name__)
import sys
from xml.dom import minidom
from xml.sax._exceptions import SAXReaderNotAvailable
import unittest
from reportlab.graphics.shapes import *
from reportlab.graphics import renderSVG
def warnIgnoredRestofTest():
"Raise a warning (if possible) about a not fully completed test."
version = sys.version_info[:2]
msg = "XML parser not found - consider installing expat! Rest of test(s) ignored!"
if version >= (2, 1):
import warnings
warnings.warn(msg)
else:
# should better also be printed only once...
print(msg)
# Check if we have a default XML parser available or not.
try:
import xml
from xml.sax import make_parser
p = xml.sax.make_parser()
HAVE_XML_PARSER = 1
except SAXReaderNotAvailable:
HAVE_XML_PARSER = 0
def load(path):
"Helper function to read the generated SVG again."
doc = minidom.parse(path)
doc.normalize()
return doc.documentElement
class RenderSvgSimpleTestCase(unittest.TestCase):
"Testing renderSVG module."
def test0(self):
"Test two strings in drawing."
path = outputfile("test_renderSVG_simple_test0.svg")
d = Drawing(200, 100)
d.add(String(0, 0, "foo"))
d.add(String(100, 0, "bar"))
renderSVG.drawToFile(d, path)
if not HAVE_XML_PARSER:
warnIgnoredRestofTest()
return
svg = load(path)
fg = svg.getElementsByTagName('g')[0] # flipping group
dg = fg.getElementsByTagName('g')[0] # diagram group
textChildren = dg.getElementsByTagName('text') # text nodes
t0 = textChildren[0].childNodes[0].nodeValue.strip()
t1 = textChildren[1].childNodes[0].nodeValue.strip()
assert t0 == 'foo'
assert t1 == 'bar'
def test1(self):
"Test two strings in group in drawing."
path = outputfile("test_renderSVG_simple_test1.svg")
d = Drawing(200, 100)
g = Group()
g.add(String(0, 0, "foo"))
g.add(String(100, 0, "bar"))
d.add(g)
renderSVG.drawToFile(d, path)
if not HAVE_XML_PARSER:
warnIgnoredRestofTest()
return
svg = load(path)
fg = svg.getElementsByTagName('g')[0] # flipping group
dg = fg.getElementsByTagName('g')[0] # diagram group
g = dg.getElementsByTagName('g')[0] # custom group
textChildren = g.getElementsByTagName('text') # text nodes
t0 = textChildren[0].childNodes[0].nodeValue.strip()
t1 = textChildren[1].childNodes[0].nodeValue.strip()
assert t0 == 'foo'
assert t1 == 'bar'
def test2(self):
"Test two strings in transformed group in drawing."
path = outputfile("test_renderSVG_simple_test2.svg")
d = Drawing(200, 100)
g = Group()
g.add(String(0, 0, "foo"))
g.add(String(100, 0, "bar"))
g.scale(1.5, 1.2)
g.translate(50, 0)
d.add(g)
renderSVG.drawToFile(d, path)
if not HAVE_XML_PARSER:
warnIgnoredRestofTest()
return
svg = load(path)
fg = svg.getElementsByTagName('g')[0] # flipping group
dg = fg.getElementsByTagName('g')[0] # diagram group
g = dg.getElementsByTagName('g')[0] # custom group
textChildren = g.getElementsByTagName('text') # text nodes
t0 = textChildren[0].childNodes[0].nodeValue.strip()
t1 = textChildren[1].childNodes[0].nodeValue.strip()
assert t0 == 'foo'
assert t1 == 'bar'
def test3(self):
from reportlab.lib.units import cm
from reportlab.lib import colors
width=300
height=60
#Create fairly simple drawing object,
drawing=Drawing(width, height)
p=ArcPath(strokeColor=colors.darkgreen,
fillColor=colors.green,
hrefURL="http://en.wikipedia.org/wiki/Vector_path",
hrefTitle="This big letter C is actually a closed vector path.",
strokewidth=0)
p.addArc(1*cm, 1*cm, 0.8*cm, 20, 340, moveTo=True)
p.addArc(1*cm, 1*cm, 0.9*cm, 20, 340, reverse=True)
p.closePath()
drawing.add(p)
drawing.add(Rect(2.25*cm, 0.1*cm, 1.5*cm, 0.8*cm, rx=0.25*cm, ry=0.25*cm,
hrefURL="http://en.wikipedia.org/wiki/Rounded_rectangle",
hrefTitle="Rounded Rectangle",
strokeColor=colors.red,
fillColor=colors.yellow))
drawing.add(String(1*cm, 1*cm, "Hello World!",
hrefURL="http://en.wikipedia.org/wiki/Hello_world",
hrefTitle="Why 'Hello World'?",
fillColor=colors.darkgreen))
drawing.add(Rect(4.5*cm, 0.5*cm, 5*cm, 1*cm,
hrefURL="http://en.wikipedia.org/wiki/Rectangle",
hrefTitle="Wikipedia page on rectangles",
strokeColor=colors.blue,
fillColor=colors.red))
drawing.add(Ellipse(7*cm, 1*cm, 2*cm, 0.95*cm,
hrefURL="http://en.wikipedia.org/wiki/Ellipse",
strokeColor=colors.black,
fillColor=colors.yellow))
drawing.add(Circle(7*cm, 1*cm, 0.9*cm,
hrefURL="http://en.wikipedia.org/wiki/Circle",
strokeColor=colors.black,
fillColor=colors.brown))
drawing.add(Ellipse(7*cm, 1*cm, 0.5*cm, 0.9*cm,
hrefTitle="Tooltip with no link?",
strokeColor=colors.black,
fillColor=colors.black))
drawing.add(Polygon([4.5*cm, 1.25*cm, 5*cm, 0.1*cm, 4*cm, 0.1*cm],
hrefURL="http://en.wikipedia.org/wiki/Polygon",
hrefTitle="This triangle is a simple polygon.",
strokeColor=colors.darkgreen,
fillColor=colors.green))
renderSVG.drawToFile(drawing, outputfile("test_renderSVG_simple_test3.svg"))
def test4(self):
"Test character encoding."
path = outputfile("test_renderSVG_simple_test4.svg")
specialChar = u'\u2019'
d = Drawing(200, 100)
d.add(String(0, 0, "foo"+specialChar))
d.add(String(100, 0, "bar"))
renderSVG.drawToFile(d, path)
if not HAVE_XML_PARSER:
warnIgnoredRestofTest()
return
svg = load(path)
fg = svg.getElementsByTagName('g')[0] # flipping group
dg = fg.getElementsByTagName('g')[0] # diagram group
textChildren = dg.getElementsByTagName('text') # text nodes
t0 = textChildren[0].childNodes[0].nodeValue.strip()
t1 = textChildren[1].childNodes[0].nodeValue.strip()
assert t0 == 'foo'+specialChar, "%s should equal %s" % (ascii(t0),ascii('foo'+specialChar))
assert t1 == 'bar'
def tearDown(self):
"When finished, make a little index page to view them in situ"
body = """<html>
<head><title>renderSVG test output</title></head>
<body>
<h1>renderSVG test output in a web page</h1>
<p>We have four SVG diagrams embedded in this page. Each is within a cyan-coloured div.
The first 3 have a native size of 400x200, thus consume a height of 200 pixels on
the page. The last is 300x60.</p>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test0.svg" type="image/svg+xml" />
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test1.svg" type="image/svg+xml" />
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test2.svg" type="image/svg+xml" />
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" />
</div>
<hr>
<p>Test of resizing: the ones below are sized 50%, 100%, 150%. We did this by explicitly setting
the width and height in the <code>embed</code> tag.</p>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="150" height="45"/>
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="300" height="60"/>
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="450" height="90"/>
</div>
<hr/>
<p>Test of resizing again: the ones below are sized 50%, 100%, 150% by setting width only.</p>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="150"/>
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="300"/>
</div>
<hr/>
<div style="background-color:cyan">
<embed src="test_renderSVG_simple_test3.svg" type="image/svg+xml" width="450"/>
</div>
<hr/>
</body>
<html>
"""
open('test_renderSVG_output.html', 'w').write(body)
class RenderSvgAxesTestCase(unittest.TestCase):
"Testing renderSVG module on Axes widgets."
def test0(self):
"Test two strings in drawing."
path = outputfile("axestest0.svg")
from reportlab.graphics.charts.axes import XCategoryAxis
d = XCategoryAxis().demo()
renderSVG.drawToFile(d, path)
def makeSuite():
return makeSuiteForClasses(RenderSvgSimpleTestCase, RenderSvgAxesTestCase)
#noruntests
if __name__ == "__main__":
unittest.TextTestRunner().run(makeSuite())
printLocation()
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