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from pathlib import Path
import pytest
from rich.text import Text
import textual.widgets._markdown as MD
from textual.app import App, ComposeResult
from textual.geometry import Offset
from textual.widgets import Markdown, MarkdownViewer, Tree
TEST_MARKDOWN = """\
* [First]({{file}}#first)
* [Second](#second)
# First
The first.
# Second
The second.
"""
class MarkdownFileViewerApp(App[None]):
def __init__(self, markdown_file: Path) -> None:
super().__init__()
self.markdown_file = markdown_file
markdown_file.write_text(TEST_MARKDOWN.replace("{{file}}", markdown_file.name))
def compose(self) -> ComposeResult:
yield MarkdownViewer(open_links=False)
async def on_mount(self) -> None:
self.query_one(MarkdownViewer).show_table_of_contents = False
await self.query_one(MarkdownViewer).go(self.markdown_file)
@pytest.mark.parametrize("link", [0, 1])
async def test_markdown_file_viewer_anchor_link(tmp_path, link: int) -> None:
"""Test https://github.com/Textualize/textual/issues/3094"""
async with MarkdownFileViewerApp(Path(tmp_path) / "test.md").run_test() as pilot:
# There's not really anything to test *for* here, but the lack of an
# exception is the win (before the fix this is testing it would have
# been FileNotFoundError).
await pilot.click(Markdown, Offset(2, link))
class MarkdownStringViewerApp(App[None]):
def __init__(self, markdown_string: str) -> None:
self.markdown_string = markdown_string
super().__init__()
def compose(self) -> ComposeResult:
yield MarkdownViewer(self.markdown_string, open_links=False)
async def on_mount(self) -> None:
self.query_one(MarkdownViewer).show_table_of_contents = False
@pytest.mark.parametrize("link", [0, 1])
async def test_markdown_string_viewer_anchor_link(link: int) -> None:
"""Test https://github.com/Textualize/textual/issues/3094
Also https://github.com/Textualize/textual/pull/3244#issuecomment-1710278718."""
async with MarkdownStringViewerApp(
TEST_MARKDOWN.replace("{{file}}", "")
).run_test() as pilot:
# There's not really anything to test *for* here, but the lack of an
# exception is the win (before the fix this is testing it would have
# been FileNotFoundError).
await pilot.click(Markdown, Offset(2, link))
@pytest.mark.parametrize("text", ["Hey [[/test]]", "[i]Hey there[/i]"])
async def test_headings_that_look_like_they_contain_markup(text: str) -> None:
"""Regression test for https://github.com/Textualize/textual/issues/3689.
Things that look like markup are escaped in markdown headings in the table of contents.
"""
document = f"# {text}"
async with MarkdownStringViewerApp(document).run_test() as pilot:
assert pilot.app.query_one(MD.MarkdownH1)._text == Text(text)
toc_tree = pilot.app.query_one(MD.MarkdownTableOfContents).query_one(Tree)
# The toc label looks like "I {text}" but the I is styled so we drop it.
toc_label = toc_tree.root.children[0].label
_, text_label = toc_label.divide([2])
assert text_label == Text(text)
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