def assert_canvas_equal(canvas, name, show_diff=True):
test_file = os.path.join(failed_dir, "%s.svg" % name)
reference_file = os.path.join(reference_dir, "%s.svg" % name)
# Render multiple representations of the canvas for coverage ...
html = io.BytesIO()
toyplot.html.render(canvas, html)
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
for module in [
"toyplot.pdf", "toyplot.png", "toyplot.reportlab.pdf",
"toyplot.reportlab.png"
]:
if module in sys.modules:
stream = io.BytesIO()
sys.modules[module].render(canvas, stream)
# Get rid of any past failures ...
if os.path.exists(test_file):
os.remove(test_file)
# If there's no stored SVG reference for this canvas, create one ...
if not os.path.exists(reference_file):
with open(reference_file, "wb") as stream:
stream.write(svg.getvalue())
raise AssertionError(
"Created new reference file %s ... you should verify its contents before re-running the test."
% reference_file)
# Compare the SVG representation of the canvas to the SVG reference ...
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse(reference_file).getroot()
svg_string = _xml_comparison_string(svg_dom)
reference_string = _xml_comparison_string(reference_dom)
if svg_string != reference_string:
if not os.path.exists(failed_dir):
os.mkdir(failed_dir)
with open(test_file, "wb") as stream:
stream.write(svg.getvalue())
if show_diff:
reference = subprocess.Popen(
["xmldiff", test_file, reference_file], stdout=subprocess.PIPE)
test = subprocess.Popen(["xmldiff", reference_file, test_file],
stdout=subprocess.PIPE)
message = "Test output %s doesn't match %s:\n\n*** Test -> Reference ***\n%s\n*** Reference -> Test ***\n%s\n" % (
test_file,
reference_file,
reference.communicate()[0].decode("utf-8"),
test.communicate()[0].decode("utf-8"),
)
else:
message = "Test output %s doesn't match %s.\n" % (test_file,
reference_file)
raise AssertionError(message)
def assert_canvas_equal(canvas, name):
test_file = os.path.join(failed_dir, "%s.svg" % name)
reference_file = os.path.join(reference_dir, "%s.svg" % name)
# Render multiple representations of the canvas for coverage ...
html = io.BytesIO()
toyplot.html.render(canvas, html)
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
for module in ["toyplot.pdf", "toyplot.png", "toyplot.reportlab.pdf", "toyplot.reportlab.png"]:
if module in sys.modules:
buffer = io.BytesIO()
sys.modules[module].render(canvas, buffer)
# Get rid of any past failures ...
if os.path.exists(test_file):
os.remove(test_file)
# If there's no stored SVG reference for this canvas, create one ...
if not os.path.exists(reference_file):
with open(reference_file, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Created new reference file %s ... you should verify its contents before re-running the test." %
reference_file)
# Compare the SVG representation of the canvas to the SVG reference ...
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse(reference_file).getroot()
svg_string = _xml_comparison_string(svg_dom)
reference_string = _xml_comparison_string(reference_dom)
if svg_string != reference_string:
if not os.path.exists(failed_dir):
os.mkdir(failed_dir)
with open(test_file, "wb") as file:
file.write(svg.getvalue())
reference = subprocess.Popen(["xmldiff", reference_file, test_file], stdout=subprocess.PIPE)
test = subprocess.Popen(["xmldiff", test_file, reference_file], stdout=subprocess.PIPE)
message = "Test output %s doesn't match %s:\n\n*** Reference ***\n%s\n*** Test ***\n%s\n" % (
test_file,
reference_file,
reference.communicate()[0],
test.communicate()[0],
)
raise AssertionError(message)
def assert_canvas_matches(canvas, name):
# Render every representation of the canvas for coverage ...
html = io.BytesIO()
toyplot.html.render(canvas, html)
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
for module in ["toyplot.pdf", "toyplot.png", "toyplot.reportlab.pdf", "toyplot.reportlab.png"]:
if module in sys.modules:
buffer = io.BytesIO()
sys.modules[module].render(canvas, buffer)
# Get rid of any past failures ...
if os.path.exists("tests/diffs/%s.svg" % name):
os.remove("tests/diffs/%s.svg" % name)
if os.path.exists("tests/diffs/%s.reference.svg" % name):
os.remove("tests/diffs/%s.reference.svg" % name)
if os.path.exists("tests/failed/%s.svg" % name):
os.remove("tests/failed/%s.svg" % name)
# If there's no stored SVG reference for this canvas, create one ...
if not os.path.exists("tests/reference/%s.svg" % name):
with open("tests/reference/%s.svg" % name, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Created new reference file tests/reference/%s.svg ... you should verify its contents before re-running the test." %
name)
# Compare the SVG representation of the canvas to the SVG reference ...
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse("tests/reference/%s.svg" % name).getroot()
svg_string = xml_comparison_string(svg_dom)
reference_string = xml_comparison_string(reference_dom)
try:
if svg_string != reference_string:
raise Exception(
"\n".join(
list(
difflib.context_diff(
svg_string.split("\n"),
reference_string.split("\n"),
lineterm="",
fromfile="test svg",
tofile="reference svg"))))
except Exception as e:
if not os.path.exists("tests/diffs"):
os.mkdir("tests/diffs")
with open("tests/diffs/%s.svg" % name, "wb") as file:
file.write(svg_string)
with open("tests/diffs/%s.reference.svg" % name, "wb") as file:
file.write(reference_string)
if not os.path.exists("tests/failed"):
os.mkdir("tests/failed")
with open("tests/failed/%s.svg" % name, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Test output tests/failed/%s.svg doesn't match tests/reference/%s.svg:\n%s" %
(name, name, e))
def assert_canvas_matches(canvas, name):
# Render every representation of the canvas for coverage ...
html = io.BytesIO()
toyplot.html.render(canvas, html)
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
for module in ["toyplot.pdf", "toyplot.png", "toyplot.reportlab.pdf", "toyplot.reportlab.png"]:
if module in sys.modules:
buffer = io.BytesIO()
sys.modules[module].render(canvas, buffer)
# Get rid of any past failures ...
if os.path.exists("tests/diffs/%s.svg" % name):
os.remove("tests/diffs/%s.svg" % name)
if os.path.exists("tests/diffs/%s.reference.svg" % name):
os.remove("tests/diffs/%s.reference.svg" % name)
if os.path.exists("tests/failed/%s.svg" % name):
os.remove("tests/failed/%s.svg" % name)
# If there's no stored SVG reference for this canvas, create one ...
if not os.path.exists("tests/reference/%s.svg" % name):
with open("tests/reference/%s.svg" % name, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Created new reference file tests/reference/%s.svg ... you should verify its contents before re-running the test." %
name)
# Compare the SVG representation of the canvas to the SVG reference ...
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse("tests/reference/%s.svg" % name).getroot()
svg_string = xml_comparison_string(svg_dom)
reference_string = xml_comparison_string(reference_dom)
try:
if svg_string != reference_string:
raise Exception(
"\n".join(
list(
difflib.context_diff(
svg_string.split("\n"),
reference_string.split("\n"),
lineterm="",
fromfile="test svg",
tofile="reference svg"))))
except Exception as e:
if not os.path.exists("tests/diffs"):
os.mkdir("tests/diffs")
with open("tests/diffs/%s.svg" % name, "wb") as file:
file.write(svg_string)
with open("tests/diffs/%s.reference.svg" % name, "wb") as file:
file.write(reference_string)
if not os.path.exists("tests/failed"):
os.mkdir("tests/failed")
with open("tests/failed/%s.svg" % name, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Test output tests/failed/%s.svg doesn't match tests/reference/%s.svg:\n%s" %
(name, name, e))
def assert_canvas_equal(canvas, name):
test_file = os.path.join(failed_dir, "%s.svg" % name)
reference_file = os.path.join(reference_dir, "%s.svg" % name)
# Render multiple representations of the canvas for coverage ...
html = io.BytesIO()
toyplot.html.render(canvas, html)
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
if hasattr(toyplot, "eps"):
eps = io.BytesIO()
toyplot.eps.render(canvas, eps)
if hasattr(toyplot, "pdf"):
pdf = io.BytesIO()
toyplot.pdf.render(canvas, pdf)
if hasattr(toyplot, "png"):
png = io.BytesIO()
toyplot.png.render(canvas, png)
# Get rid of any past failures ...
# if os.path.exists("tests/diffs/%s.svg" % name):
# os.remove("tests/diffs/%s.svg" % name)
# if os.path.exists("tests/diffs/%s.reference.svg" % name):
# os.remove("tests/diffs/%s.reference.svg" % name)
if os.path.exists(test_file):
os.remove(test_file)
# If there's no stored SVG reference for this canvas, create one ...
if not os.path.exists(reference_file):
with open(reference_file, "wb") as file:
file.write(svg.getvalue())
raise AssertionError(
"Created new reference file %s ... you should verify its contents before re-running the test."
% reference_file)
# Compare the SVG representation of the canvas to the SVG reference ...
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse(reference_file).getroot()
svg_string = _xml_comparison_string(svg_dom)
reference_string = _xml_comparison_string(reference_dom)
try:
if svg_string != reference_string:
raise Exception("\n".join(
list(
difflib.context_diff(svg_string.split("\n"),
reference_string.split("\n"),
lineterm="",
fromfile="test svg",
tofile="reference svg"))))
except Exception as e:
# if not os.path.exists("tests/diffs"):
# os.mkdir("tests/diffs")
# with open("tests/diffs/%s.svg" % name, "wb") as file:
# file.write(svg_string)
# with open("tests/diffs/%s.reference.svg" % name, "wb") as file:
# file.write(reference_string)
if not os.path.exists(failed_dir):
os.mkdir(failed_dir)
with open(test_file, "wb") as file:
file.write(svg.getvalue())
raise AssertionError("Test output %s doesn't match %s:\n%s" %
(test_file, reference_file, e))
def assert_canvas_equal(canvas, name, show_diff=True):
test_file = os.path.join(failed_dir, "%s.svg" % name)
reference_file = os.path.join(reference_dir, "%s.svg" % name)
# Render multiple representations of the canvas for coverage.
for module in ["toyplot.html", "toyplot.pdf", "toyplot.png", "toyplot.reportlab.pdf", "toyplot.reportlab.png"]:
if module in sys.modules:
stream = io.BytesIO()
sys.modules[module].render(canvas, stream)
# Render the canvas to svg for comparison against the reference.
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
# Get rid of any past failures ...
if os.path.exists(test_file):
os.remove(test_file)
# If there's no stored SVG reference for this canvas, create one.
if not os.path.exists(reference_file):
with open(reference_file, "wb") as stream:
stream.write(svg.getvalue())
raise AssertionError(
"Created new reference file %s ... you should verify its contents before re-running the test." %
reference_file)
# Compare the SVG representation of the canvas to the SVG reference.
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse(reference_file).getroot()
try:
assert_dom_equal(
svg_dom,
reference_dom,
exceptions={
"{http://www.w3.org/2000/svg}clipPath": {
"id": {"ignore": True},
},
"{http://www.w3.org/2000/svg}g": {
"clip-path": {"ignore": True},
"id": {"ignore": True},
"transform": {"type": "transform"},
"style": {"type": "style"},
},
"{http://www.w3.org/2000/svg}linearGradient": {
"id": {"ignore": True},
},
"{http://www.w3.org/2000/svg}line": {
"x1": {"type": "float"},
"x2": {"type": "float"},
"y1": {"type": "float"},
"y2": {"type": "float"},
"style": {"type": "style"},
},
"{http://www.w3.org/2000/svg}linearGradient": {
"id": {"ignore": True},
"x1": {"type": "float"},
"x2": {"type": "float"},
"y1": {"type": "float"},
"y2": {"type": "float"},
},
"{http://www.w3.org/2000/svg}path": {
"d": {"type": "path"},
},
"{http://www.w3.org/2000/svg}polygon": {
"points": {"type": "points"},
},
"{http://www.w3.org/2000/svg}rect": {
"x": {"type": "float"},
"y": {"type": "float"},
"width": {"type": "float"},
"height": {"type": "float"},
"style": {"type": "style"},
},
"{http://www.w3.org/2000/svg}stop": {
"offset": {"type": "float"},
},
"{http://www.w3.org/2000/svg}svg": {
"id": {"ignore": True},
},
"{http://www.w3.org/2000/svg}text": {
"x": {"type": "float"},
"y": {"type": "float"},
},
}
)
except AssertionError as e:
if not os.path.exists(failed_dir):
os.mkdir(failed_dir)
with open(test_file, "wb") as stream:
stream.write(svg.getvalue())
raise AssertionError("%s\nTest output\n\t%s\ndoesn't match\n\t%s.\n" % (e, test_file, reference_file))
def assert_canvas_equal(canvas, name, show_diff=True):
test_file = os.path.join(failed_dir, "%s.svg" % name)
reference_file = os.path.join(reference_dir, "%s.svg" % name)
# Render multiple representations of the canvas for coverage.
for module in [
"toyplot.html", "toyplot.pdf", "toyplot.png",
"toyplot.reportlab.pdf", "toyplot.reportlab.png"
]:
if module in sys.modules:
stream = io.BytesIO()
sys.modules[module].render(canvas, stream)
# Render the canvas to svg for comparison against the reference.
svg = io.BytesIO()
toyplot.svg.render(canvas, svg)
# Get rid of any past failures ...
if os.path.exists(test_file):
os.remove(test_file)
# If there's no stored SVG reference for this canvas, create one.
if not os.path.exists(reference_file):
with open(reference_file, "wb") as stream:
stream.write(svg.getvalue())
raise AssertionError(
"Created new reference file %s ... you should verify its contents before re-running the test."
% reference_file)
# Compare the SVG representation of the canvas to the SVG reference.
svg_dom = xml.fromstring(svg.getvalue())
reference_dom = xml.parse(reference_file).getroot()
try:
assert_dom_equal(svg_dom,
reference_dom,
exceptions={
"{http://www.w3.org/2000/svg}clipPath": {
"id": {
"ignore": True
},
},
"{http://www.w3.org/2000/svg}g": {
"clip-path": {
"ignore": True
},
"id": {
"ignore": True
},
"transform": {
"type": "transform"
},
"style": {
"type": "style"
},
},
"{http://www.w3.org/2000/svg}linearGradient": {
"id": {
"ignore": True
},
},
"{http://www.w3.org/2000/svg}line": {
"x1": {
"type": "float"
},
"x2": {
"type": "float"
},
"y1": {
"type": "float"
},
"y2": {
"type": "float"
},
"style": {
"type": "style"
},
},
"{http://www.w3.org/2000/svg}linearGradient": {
"id": {
"ignore": True
},
"x1": {
"type": "float"
},
"x2": {
"type": "float"
},
"y1": {
"type": "float"
},
"y2": {
"type": "float"
},
},
"{http://www.w3.org/2000/svg}path": {
"d": {
"type": "path"
},
},
"{http://www.w3.org/2000/svg}polygon": {
"points": {
"type": "points"
},
},
"{http://www.w3.org/2000/svg}rect": {
"x": {
"type": "float"
},
"y": {
"type": "float"
},
"width": {
"type": "float"
},
"height": {
"type": "float"
},
"style": {
"type": "style"
},
},
"{http://www.w3.org/2000/svg}stop": {
"offset": {
"type": "float"
},
},
"{http://www.w3.org/2000/svg}svg": {
"id": {
"ignore": True
},
},
"{http://www.w3.org/2000/svg}text": {
"x": {
"type": "float"
},
"y": {
"type": "float"
},
},
})
except AssertionError as e:
if not os.path.exists(failed_dir):
os.mkdir(failed_dir)
with open(test_file, "wb") as stream:
stream.write(svg.getvalue())
raise AssertionError("%s\nTest output\n\t%s\ndoesn't match\n\t%s.\n" %
(e, test_file, reference_file))
