Files
pyscript/pyscriptjs/tests/integration/test_02_display.py
2023-05-15 12:44:19 +02:00

429 lines
14 KiB
Python

import base64
import html
import io
import os
import re
import numpy as np
from PIL import Image
from .support import PyScriptTest, skip_worker, wait_for_render
class TestDisplay(PyScriptTest):
@skip_worker("FIXME: display()")
def test_simple_display(self):
self.pyscript_run(
"""
<py-script>
display('hello world')
</py-script>
"""
)
node_list = self.page.query_selector_all(r'[id^="py-internal"]')
pattern = r"<div>hello world</div>"
assert re.search(pattern, node_list[0].inner_html())
assert len(node_list) == 1
@skip_worker("FIXME: display()")
def test_consecutive_display(self):
self.pyscript_run(
"""
<py-script>
display('hello 1')
</py-script>
<p>hello 2</p>
<py-script>
display('hello 3')
</py-script>
"""
)
inner_text = self.page.inner_text("body")
lines = inner_text.splitlines()
lines = [line for line in lines if line != ""] # remove empty lines
assert lines == ["hello 1", "hello 2", "hello 3"]
@skip_worker("FIXME: display()")
def test_target_attribute(self):
self.pyscript_run(
"""
<py-script>
display('hello world', target="mydiv")
</py-script>
<div id="mydiv"></div>
"""
)
mydiv = self.page.locator("#mydiv")
assert mydiv.inner_text() == "hello world"
@skip_worker("FIXME: display()")
def test_consecutive_display_target(self):
self.pyscript_run(
"""
<py-script id="first">
display('hello 1')
</py-script>
<p>hello in between 1 and 2</p>
<py-script id="second">
display('hello 2', target="second")
</py-script>
<py-script id="third">
display('hello 3')
</py-script>
"""
)
inner_text = self.page.inner_text("body")
lines = inner_text.splitlines()
lines = [line for line in lines if line != ""] # remove empty lines
assert lines == ["hello 1", "hello in between 1 and 2", "hello 2", "hello 3"]
@skip_worker("FIXME: display()")
def test_multiple_display_calls_same_tag(self):
self.pyscript_run(
"""
<py-script>
display('hello')
display('world')
</py-script>
"""
)
tag = self.page.locator("py-script")
lines = tag.inner_text().splitlines()
assert lines == ["hello", "world"]
@skip_worker("FIXME: display()")
def test_implicit_target_from_a_different_tag(self):
self.pyscript_run(
"""
<py-script id="py1">
def say_hello():
display('hello')
</py-script>
<py-script id="py2">
say_hello()
</py-script>
"""
)
py1 = self.page.locator("#py1")
py2 = self.page.locator("#py2")
assert py1.inner_text() == ""
assert py2.inner_text() == "hello"
@skip_worker("FIXME: display()")
def test_no_implicit_target(self):
self.pyscript_run(
"""
<py-script>
def display_hello():
# this fails because we don't have any implicit target
# from event handlers
display('hello world')
</py-script>
<button id="my-button" py-click="display_hello()">Click me</button>
"""
)
self.page.locator("text=Click me").click()
self.check_py_errors("Implicit target not allowed here")
## error in console
tb_lines = self.console.error.lines[-1].splitlines()
assert tb_lines[0] == "[pyexec] Python exception:"
assert tb_lines[1] == "Traceback (most recent call last):"
assert (
tb_lines[-1]
== "Exception: Implicit target not allowed here. Please use display(..., target=...)"
)
text = self.page.text_content("body")
assert "hello world" not in text
@skip_worker("FIXME: display()")
def test_explicit_target_pyscript_tag(self):
self.pyscript_run(
"""
<py-script>
def display_hello():
display('hello', target='second-pyscript-tag')
</py-script>
<py-script id="second-pyscript-tag">
display_hello()
</py-script>
"""
)
text = self.page.locator("id=second-pyscript-tag").inner_text()
assert text == "hello"
@skip_worker("FIXME: display()")
def test_explicit_target_on_button_tag(self):
self.pyscript_run(
"""
<py-script>
def display_hello():
display('hello', target='my-button')
</py-script>
<button id="my-button" py-click="display_hello()">Click me</button>
"""
)
self.page.locator("text=Click me").click()
text = self.page.locator("id=my-button").inner_text()
assert "hello" in text
@skip_worker("FIXME: display()")
def test_explicit_different_target_from_call(self):
self.pyscript_run(
"""
<py-script id="first-pyscript-tag">
def display_hello():
display('hello', target='second-pyscript-tag')
</py-script>
<py-script id="second-pyscript-tag">
print('nothing to see here')
</py-script>
<py-script>
display_hello()
</py-script>
"""
)
text = self.page.locator("id=second-pyscript-tag").all_inner_texts()
assert "hello" in text
@skip_worker("FIXME: display()")
def test_append_true(self):
self.pyscript_run(
"""
<py-script>
display('hello world', append=True)
</py-script>
"""
)
node_list = self.page.query_selector_all(r'[id^="py-internal"]')
pattern = r"<div>hello world</div>"
assert re.search(pattern, node_list[0].inner_html())
assert len(node_list) == 1
@skip_worker("FIXME: display()")
def test_append_false(self):
self.pyscript_run(
"""
<py-script>
display('hello world', append=False)
</py-script>
"""
)
inner_html = self.page.content()
pattern = r'<py-script id="py-.*">hello world</py-script>'
assert re.search(pattern, inner_html)
@skip_worker("FIXME: display()")
def test_display_multiple_values(self):
self.pyscript_run(
"""
<py-script>
hello = 'hello'
world = 'world'
display(hello, world)
</py-script>
"""
)
inner_text = self.page.inner_text("html")
assert inner_text == "hello\nworld"
@skip_worker("FIXME: display()")
def test_display_multiple_append_false(self):
self.pyscript_run(
"""
<py-script>
display('hello', append=False)
display('world', append=False)
</py-script>
"""
)
inner_html = self.page.content()
pattern = r'<py-script id="py-.*">world</py-script>'
assert re.search(pattern, inner_html)
@skip_worker("FIXME: display()")
def test_display_multiple_append_false_with_target(self):
self.pyscript_run(
"""
<div id="circle-div"></div>
<script type="py">
class Circle:
r = 0
def _repr_svg_(self):
return (
f'<svg height="{self.r*2}" width="{self.r*2}">'
f'<circle cx="{self.r}" cy="{self.r}" r="{self.r}" fill="red" /></svg>'
)
circle = Circle()
circle.r += 5
display(circle, target="circle-div", append=False)
circle.r += 5
display(circle, target="circle-div", append=False)
</script>
"""
)
innerhtml = self.page.locator("id=circle-div").inner_html()
assert (
innerhtml
== '<svg height="20" width="20"><circle cx="10" cy="10" r="10" fill="red"></circle></svg>' # noqa: E501
)
assert self.console.error.lines == []
@skip_worker("FIXME: display()")
def test_display_list_dict_tuple(self):
self.pyscript_run(
"""
<py-script>
l = ['A', 1, '!']
d = {'B': 2, 'List': l}
t = ('C', 3, '!')
display(l, d, t)
</py-script>
"""
)
inner_text = self.page.inner_text("html")
print(inner_text)
assert (
inner_text
== "['A', 1, '!']\n{'B': 2, 'List': ['A', 1, '!']}\n('C', 3, '!')"
)
@skip_worker("FIXME: display()")
def test_display_should_escape(self):
self.pyscript_run(
"""
<py-script>
display("<p>hello world</p>")
</py-script>
"""
)
out = self.page.locator("py-script > div")
assert out.inner_html() == html.escape("<p>hello world</p>")
assert out.inner_text() == "<p>hello world</p>"
@skip_worker("FIXME: display()")
def test_display_HTML(self):
self.pyscript_run(
"""
<py-script>
display(HTML("<p>hello world</p>"))
</py-script>
"""
)
out = self.page.locator("py-script > div")
assert out.inner_html() == "<p>hello world</p>"
assert out.inner_text() == "hello world"
@skip_worker("FIXME: display()")
def test_image_display(self):
self.pyscript_run(
"""
<py-config> packages = ["matplotlib"] </py-config>
<py-script>
import matplotlib.pyplot as plt
xpoints = [3, 6, 9]
ypoints = [1, 2, 3]
plt.plot(xpoints, ypoints)
display(plt)
</py-script>
"""
)
wait_for_render(self.page, "*", "<img src=['\"]data:image")
test = self.page.wait_for_selector("img")
img_src = test.get_attribute("src").replace(
"data:image/png;charset=utf-8;base64,", ""
)
img_data = np.asarray(Image.open(io.BytesIO(base64.b64decode(img_src))))
with Image.open(
os.path.join(os.path.dirname(__file__), "test_assets", "line_plot.png"),
) as image:
ref_data = np.asarray(image)
deviation = np.mean(np.abs(img_data - ref_data))
assert deviation == 0.0
self.assert_no_banners()
@skip_worker("FIXME: display()")
def test_empty_HTML_and_console_output(self):
self.pyscript_run(
"""
<py-script>
print('print from python')
js.console.log('print from js')
js.console.error('error from js');
</py-script>
"""
)
inner_html = self.page.content()
assert re.search("", inner_html)
console_text = self.console.all.lines
assert "print from python" in console_text
assert "print from js" in console_text
assert "error from js" in console_text
@skip_worker("FIXME: display()")
def test_text_HTML_and_console_output(self):
self.pyscript_run(
"""
<py-script>
display('this goes to the DOM')
print('print from python')
js.console.log('print from js')
js.console.error('error from js');
</py-script>
"""
)
inner_text = self.page.inner_text("py-script")
assert inner_text == "this goes to the DOM"
assert self.console.log.lines[-2:] == [
"print from python",
"print from js",
]
print(self.console.error.lines)
assert self.console.error.lines[-1] == "error from js"
@skip_worker("FIXME: display()")
def test_console_line_break(self):
self.pyscript_run(
"""
<py-script>
print('1print\\n2print')
print('1console\\n2console')
</py-script>
"""
)
console_text = self.console.all.lines
assert console_text.index("1print") == (console_text.index("2print") - 1)
assert console_text.index("1console") == (console_text.index("2console") - 1)
@skip_worker("FIXME: display()")
def test_image_renders_correctly(self):
"""This is just a sanity check to make sure that images are rendered correctly."""
buffer = io.BytesIO()
img = Image.new("RGB", (4, 4), color=(0, 0, 0))
img.save(buffer, format="PNG")
b64_img = base64.b64encode(buffer.getvalue()).decode("utf-8")
expected_img_src = f"data:image/png;charset=utf-8;base64,{b64_img}"
self.pyscript_run(
"""
<py-config>
packages = ["pillow"]
</py-config>
<div id="img-target" />
<py-script>
from PIL import Image
img = Image.new("RGB", (4, 4), color=(0, 0, 0))
display(img, target='img-target', append=False)
</py-script>
"""
)
rendered_img_src = self.page.locator("img").get_attribute("src")
assert rendered_img_src == expected_img_src