pyodide/test/packages/test_numpy.py

37 lines
1.3 KiB
Python

def test_numpy(selenium):
selenium.load_package("numpy")
selenium.run("import numpy")
selenium.run("x = numpy.ones((32, 64))")
assert selenium.run_js("return pyodide.pyimport('x').length == 32")
for i in range(32):
assert selenium.run_js(
f"return pyodide.pyimport('x')[{i}].length == 64"
)
for j in range(64):
assert selenium.run_js(
f"return pyodide.pyimport('x')[{i}][{j}] == 1"
)
def test_typed_arrays(selenium):
selenium.load_package("numpy")
selenium.run("import numpy")
for (jstype, npytype) in (
('Int8Array', 'int8'),
('Uint8Array', 'uint8'),
('Uint8ClampedArray', 'uint8'),
('Int16Array', 'int16'),
('Uint16Array', 'uint16'),
('Int32Array', 'int32'),
('Uint32Array', 'uint32'),
('Float32Array', 'float32'),
('Float64Array', 'float64')):
print(jstype, npytype)
selenium.run_js(
f'window.array = new {jstype}([1, 2, 3, 4]);\n')
assert selenium.run(
'from js import array\n'
'npyarray = numpy.asarray(array)\n'
f'npyarray.dtype.name == "{npytype}" '
'and npyarray == [1, 2, 3, 4]')