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"""Tests for the Python API for composing notebook elements"""
from __future__ import annotations
from nbformat.v4.nbbase import (
NotebookNode,
nbformat,
new_code_cell,
new_markdown_cell,
new_notebook,
new_output,
new_raw_cell,
)
def test_empty_notebook():
nb = new_notebook()
assert nb.cells == []
assert nb.metadata == NotebookNode()
assert nb.nbformat == nbformat
def test_empty_markdown_cell():
cell = new_markdown_cell()
assert cell.cell_type == "markdown"
assert cell.source == ""
def test_markdown_cell():
cell = new_markdown_cell("* Søme markdown")
assert cell.source == "* Søme markdown"
def test_empty_raw_cell():
cell = new_raw_cell()
assert cell.cell_type == "raw"
assert cell.source == ""
def test_raw_cell():
cell = new_raw_cell("hi")
assert cell.source == "hi"
def test_empty_code_cell():
cell = new_code_cell("hi")
assert cell.cell_type == "code"
assert cell.source == "hi"
def test_empty_display_data():
output = new_output("display_data")
assert output.output_type == "display_data"
def test_empty_stream():
output = new_output("stream")
assert output.output_type == "stream"
assert output.name == "stdout"
assert output.text == ""
def test_empty_execute_result():
output = new_output("execute_result", execution_count=1)
assert output.output_type == "execute_result"
mimebundle = {
"text/plain": "some text",
"application/json": {"key": "value"},
"image/svg+xml": "ABCDEF",
"application/octet-stream": "ABC-123",
"application/vnd.foo+bar": "Some other stuff",
}
def test_display_data():
output = new_output("display_data", mimebundle)
for key, expected in mimebundle.items():
assert output.data[key] == expected
def test_execute_result():
output = new_output("execute_result", mimebundle, execution_count=10)
assert output.execution_count == 10
for key, expected in mimebundle.items():
assert output.data[key] == expected
def test_error():
o = new_output(
output_type="error",
ename="NameError",
evalue="Name not found",
traceback=["frame 0", "frame 1", "frame 2"],
)
assert o.output_type == "error"
assert o.ename == "NameError"
assert o.evalue == "Name not found"
assert o.traceback == ["frame 0", "frame 1", "frame 2"]
def test_code_cell_with_outputs():
cell = new_code_cell(
execution_count=10,
outputs=[
new_output("display_data", mimebundle),
new_output("stream", text="hello"),
new_output("execute_result", mimebundle, execution_count=10),
],
)
assert cell.execution_count == 10
assert len(cell.outputs) == 3
er = cell.outputs[-1]
assert er.execution_count == 10
assert er["output_type"] == "execute_result"
def test_stream():
output = new_output("stream", name="stderr", text="hello there")
assert output.name == "stderr"
assert output.text == "hello there"
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