vibe/tests/cli/textual_ui/test_diff_rendering.py
Clément Drouin 6bedf271ce
v2.17.0 (#822)
Co-authored-by: Clément Sirieix <clement.sirieix@mistral.ai>
Co-authored-by: Guillaume LE GOFF <guillaume.lgf@gmail.com>
Co-authored-by: Hdandria <henri.dandria@mistral.ai>
Co-authored-by: Ivana Dunisijevic <ivana.dunisijevic@mistral.ai>
Co-authored-by: Jean Burellier <sheplu@users.noreply.github.com>
Co-authored-by: Mathias Gesbert <mathias.gesbert@mistral.ai>
Co-authored-by: Mert Unsal <mert.unsal@mistral.ai>
Co-authored-by: Michel Thomazo <51709227+michelTho@users.noreply.github.com>
Co-authored-by: Paul VEZIA <166131032+le-codeur-rapide@users.noreply.github.com>
Co-authored-by: Pierre Rossinès <pierre.rossines@mistral.ai>
Co-authored-by: Val <102326092+vdeva@users.noreply.github.com>
Co-authored-by: Vincent G <10739306+VinceOPS@users.noreply.github.com>
Co-authored-by: renovate-mistral[bot] <253709520+renovate-mistral[bot]@users.noreply.github.com>
Co-authored-by: Mistral Vibe <vibe@mistral.ai>
2026-06-19 11:01:24 +02:00

212 lines
8.6 KiB
Python

from __future__ import annotations
from textual.content import Content
from textual.highlight import HighlightTheme
from textual.widgets import Static
from vibe.cli.textual_ui.widgets.diff_rendering import (
_build_diff_line,
diff_border_colors,
language_for_path,
render_edit_diff,
)
def _build(
code: str, prefix: str, lineno: int | None, language: str, *, ansi: bool
) -> Content:
return _build_diff_line(
code, prefix, lineno, language, ansi=ansi, theme=HighlightTheme
)
def _render(*args, **kwargs):
kwargs.setdefault("dark", True)
args = list(args)
# Tests pass a single start line as an int for readability; the renderer
# expects a list of occurrences.
if len(args) >= 4 and isinstance(args[3], int):
args[3] = [args[3]]
return render_edit_diff(*args, **kwargs)
def _render_with_colors(*args, **kwargs):
widgets = _render(*args, **kwargs)
return widgets, diff_border_colors(widgets)
def _plain(widget: Static) -> str:
visual = widget.render()
return visual.plain if isinstance(visual, Content) else str(visual)
def _styles_at(content: Content, index: int) -> list[str]:
return [str(s.style) for s in content.spans if s.start <= index < s.end]
class TestLanguageForPath:
def test_extension(self) -> None:
assert language_for_path("/src/main.py") == "py"
def test_no_extension_falls_back_to_text(self) -> None:
assert language_for_path("/src/Makefile") == "text"
class TestBuildDiffLine:
def test_line_number_in_content(self) -> None:
content = _build("x = 1", "+", 42, "py", ansi=False)
assert "42" in content.plain
def test_no_line_number(self) -> None:
content = _build("x = 1", "+", None, "py", ansi=False)
assert content.plain.startswith("+ ")
def test_sign_is_colored_in_both_modes(self) -> None:
for ansi in (False, True):
content = _build("x = 1", "-", 10, "py", ansi=ansi)
# " 10 - x = 1": the gutter is 5 chars, so "-" sits at index 5.
assert any("$text-error" in s for s in _styles_at(content, 5))
def test_line_number_dimmed_uncolored_in_non_ansi(self) -> None:
content = _build("x = 1", "-", 10, "py", ansi=False)
styles = _styles_at(content, 0)
assert any("dim" in s and "$text-muted" in s for s in styles)
assert all("$text-error" not in s for s in styles)
def test_added_line_number_colored_undimmed_in_ansi(self) -> None:
content = _build("x = 1", "+", 10, "py", ansi=True)
styles = _styles_at(content, 0)
assert "$text-success" in styles
assert all("dim" not in s for s in styles)
def test_removed_line_number_and_sign_bright_in_ansi(self) -> None:
content = _build("x = 1", "-", 10, "py", ansi=True)
lineno_styles = _styles_at(content, 0)
sign_styles = _styles_at(content, 5)
assert any("bold" in s and "$text-error" in s for s in lineno_styles)
assert any("bold" in s and "$text-error" in s for s in sign_styles)
assert all("dim" not in s for s in lineno_styles)
assert all("dim" not in s for s in sign_styles)
def test_line_number_dimmed_for_unchanged_rows_in_ansi(self) -> None:
content = _build("x = 1", " ", 10, "py", ansi=True)
styles = _styles_at(content, 0)
assert any("dim" in s and "$text-muted" in s for s in styles)
def test_removed_body_dimmed_in_ansi(self) -> None:
content = _build("foo", "-", 10, "py", ansi=True)
# body starts after " 10 - " (7 chars)
assert any("dim" in s for s in _styles_at(content, 7))
def test_removed_body_not_dimmed_in_non_ansi(self) -> None:
content = _build("foo", "-", 10, "py", ansi=False)
assert all("dim" not in s for s in _styles_at(content, 7))
class TestRenderEditDiff:
def test_simple_replacement(self) -> None:
widgets = _render("x = 100", "x = 200", "py", 1, ansi=False)
classes = [w.classes for w in widgets]
assert any("diff-removed" in c for c in classes)
assert any("diff-added" in c for c in classes)
def test_no_hunk_header_rendered(self) -> None:
widgets = _render("a\nb\nc\nd\ne\nf", "a\nb\nX\nd\ne\nf", "py", 1, ansi=False)
for w in widgets:
assert not _plain(w).startswith("@@")
def test_gap_separator_between_hunks(self) -> None:
search = "A\nB\nC\nD\nE\nF\nG\nH"
replace = "Z\nB\nC\nD\nE\nF\nG\nY"
widgets = _render(search, replace, "py", 1, ansi=False)
assert any("diff-gap" in w.classes for w in widgets)
def test_no_leading_gap_for_single_hunk(self) -> None:
widgets = _render("x = 100", "x = 200", "py", 1, ansi=False)
assert all("diff-gap" not in w.classes for w in widgets)
def test_pure_insertion(self) -> None:
widgets = _render("x = 1", "x = 1\ny = 2", "py", 1, ansi=False)
assert any("diff-added" in w.classes for w in widgets)
def test_pure_deletion(self) -> None:
widgets = _render("x = 1\ny = 2", "x = 1", "py", 1, ansi=False)
assert any("diff-removed" in w.classes for w in widgets)
def test_line_numbers_use_start_line_offset(self) -> None:
widgets = _render("x = 100", "x = 200", "py", 42, ansi=False)
assert any("42" in _plain(w) for w in widgets)
def test_multi_hunk_line_numbers(self) -> None:
search = "A\nB\nC\nD\nE\nF\nG\nH"
replace = "Z\nB\nC\nD\nE\nF\nG\nY"
widgets = _render(search, replace, "py", 10, ansi=False)
joined = "\n".join(_plain(w) for w in widgets)
assert "10" in joined
assert "17" in joined
def test_no_line_numbers_without_start_line(self) -> None:
widgets = _render("x = 100", "x = 200", "py", None, ansi=False)
for w in widgets:
plain = _plain(w)
if plain.startswith(("- ", "+ ")):
assert not plain[0].isdigit()
def test_blank_lines_preserved(self) -> None:
search = "a\n\nb\nc\nd"
replace = "a\n\nb\nc\nZ"
widgets = _render(search, replace, "py", 1, ansi=False)
removed = [w for w in widgets if "diff-removed" in w.classes]
added = [w for w in widgets if "diff-added" in w.classes]
assert any(_plain(w).rstrip().endswith("d") for w in removed)
assert any(_plain(w).rstrip().endswith("Z") for w in added)
def test_replace_all_renders_each_occurrence(self) -> None:
widgets = render_edit_diff(
"foo", "bar", "py", [3, 10, 25], ansi=False, dark=True
)
removed = [w for w in widgets if "diff-removed" in w.classes]
added = [w for w in widgets if "diff-added" in w.classes]
assert len(removed) == 3
assert len(added) == 3
def test_replace_all_uses_each_start_line(self) -> None:
widgets = render_edit_diff(
"foo", "bar", "py", [3, 10, 25], ansi=False, dark=True
)
joined = "\n".join(_plain(w) for w in widgets)
assert "3" in joined
assert "10" in joined
assert "25" in joined
def test_replace_all_separates_occurrences_with_gap(self) -> None:
widgets = render_edit_diff("foo", "bar", "py", [3, 10], ansi=False, dark=True)
assert sum("diff-gap" in w.classes for w in widgets) == 1
def test_single_occurrence_has_no_gap(self) -> None:
widgets = render_edit_diff("foo", "bar", "py", [3], ansi=False, dark=True)
assert all("diff-gap" not in w.classes for w in widgets)
class TestBorderColors:
def test_keys_index_into_widgets(self) -> None:
widgets, colors = _render_with_colors("x = 100", "x = 200", "py", 1, ansi=False)
assert colors and all(0 <= k < len(widgets) for k in colors)
def test_added_lines_get_bright_success(self) -> None:
widgets, colors = _render_with_colors("x = 100", "x = 200", "py", 1, ansi=False)
added_keys = [i for i, w in enumerate(widgets) if "diff-added" in w.classes]
assert added_keys and all(colors[i] == "not dim $success" for i in added_keys)
def test_removed_lines_get_bright_error(self) -> None:
widgets, colors = _render_with_colors("x = 100", "x = 200", "py", 1, ansi=False)
removed_keys = [i for i, w in enumerate(widgets) if "diff-removed" in w.classes]
assert removed_keys and all(colors[i] == "not dim $error" for i in removed_keys)
def test_context_and_gap_not_in_dict(self) -> None:
search = "A\nB\nC\nD\nE\nF\nG\nH"
replace = "Z\nB\nC\nD\nE\nF\nG\nY"
widgets, colors = _render_with_colors(search, replace, "py", 1, ansi=False)
for i, w in enumerate(widgets):
if "diff-context" in w.classes or "diff-gap" in w.classes:
assert i not in colors