9c7b7e81f9
- query language: substrings, phrases, /regex/, AND/OR/NOT (+ UND/ODER/NICHT), parentheses; case-insensitive; ReDoS protection via regex timeouts; syntax errors with stable code and position - SearchEngine over in-memory blocks: filters, predicate, grouping, sorting, paging, time budget, automatic reload, highlighted snippets - Markdown loader with split modes file/heading/list/paragraph - grep-like CLI (mdgrep), JSON output, grep exit codes - Flask blueprint/app with JSON API and widget assets, dev server - framework-free JS widget: live search, URL state, filters, paging, syntax help, en/de labels, CSS custom properties for theming Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
59 lines
2 KiB
Python
59 lines
2 KiB
Python
from mdgrep.snippets import ELLIPSIS, segments
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def join(segs):
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return "".join(s["t"] for s in segs)
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def test_short_text_full_with_hits():
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segs = segments("hello world", [(6, 11)])
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assert segs == [{"t": "hello ", "hit": False}, {"t": "world", "hit": True}]
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def test_no_spans_returns_whole_text():
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assert segments("abc", []) == [{"t": "abc", "hit": False}]
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def test_long_text_windowed_around_hit():
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text = " ".join(f"w{i}" for i in range(400))
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hit_start = text.index("w200")
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segs = segments(text, [(hit_start, hit_start + 4)], max_chars=100, context=30)
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assert segs[0]["t"] == ELLIPSIS and segs[-1]["t"] == ELLIPSIS
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assert any(s["hit"] and s["t"] == "w200" for s in segs)
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assert len(join(segs)) < 150
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def test_windows_snap_to_word_boundaries():
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text = "alpha beta gamma delta epsilon zeta eta theta iota kappa lambda"
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start = text.index("epsilon")
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segs = segments(text, [(start, start + 7)], max_chars=20, context=8)
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inner = join(s for s in segs if s["t"] != ELLIPSIS)
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assert not inner.startswith("lta") and inner.split()[0] in ("gamma", "delta")
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def test_multiple_hits_separate_windows():
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text = "x " * 300 + "foo " + "y " * 300 + "bar " + "z " * 300
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f, b = text.index("foo"), text.index("bar")
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segs = segments(text, [(f, f + 3), (b, b + 3)], max_chars=200, context=20)
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hits = [s["t"] for s in segs if s["hit"]]
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assert hits == ["foo", "bar"]
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assert sum(1 for s in segs if s["t"] == ELLIPSIS) == 3
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def test_budget_limits_windows_but_keeps_first_hit():
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text = ("filler " * 50 + "hit ") * 10
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spans = []
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pos = 0
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while (i := text.find("hit", pos)) != -1:
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spans.append((i, i + 3))
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pos = i + 3
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segs = segments(text, spans, max_chars=60, context=20)
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assert sum(1 for s in segs if s["hit"]) >= 1
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assert len(join(segs)) < 200
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def test_no_hits_long_text_shows_beginning():
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text = "start " + "word " * 200
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segs = segments(text, [], max_chars=50)
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assert segs[0]["t"].startswith("start")
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assert segs[-1]["t"] == ELLIPSIS
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