| """Tests for markdown_sections.py — the fence-aware heading scanner.""" |
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| import re |
| import sys |
| from pathlib import Path |
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| sys.path.insert(0, str(Path(__file__).resolve().parent.parent)) |
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| from markdown_sections import find_headings, without_fenced_code_blocks |
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| H3_RE = re.compile(r"(?m)^###\s+(.+?)\s*$") |
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| def headings(body: str) -> list[str]: |
| return [match.group(1) for match in find_headings(body, H3_RE)] |
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| def test_masking_preserves_offsets(): |
| body = "### One\n```py\n### Two\n```\n### Three\n" |
| masked = without_fenced_code_blocks(body) |
| assert len(masked) == len(body) |
| assert masked.splitlines() == [ |
| "### One", |
| " ", |
| " ", |
| " ", |
| "### Three", |
| ] |
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| def test_masking_preserves_crlf_offsets(): |
| body = "### One\r\n```py\r\n### Two\r\n```\r\n### Three\r\n" |
| masked = without_fenced_code_blocks(body) |
| assert len(masked) == len(body) |
| assert headings(body) == ["One", "Three"] |
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| def test_unclosed_fence_does_not_hide_later_headings(): |
| """A stray marker in a pasted log must not swallow the rest of the body.""" |
| body = """### Relevant Logs |
| ```shell |
| Traceback (most recent call last): |
| the paste was cut off here |
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| ### Actual Behavior |
| It broke. |
| """ |
| assert headings(body) == ["Relevant Logs", "Actual Behavior"] |
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| def test_unclosed_fence_leaves_text_untouched(): |
| body = "### One\n~~~\nstill here\n" |
| assert without_fenced_code_blocks(body) == body |
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| def test_second_fence_reopens_after_a_balanced_one(): |
| body = """### One |
| ``` |
| ### Masked |
| ``` |
| ### Two |
| ``` |
| ### Not masked, fence never closes |
| """ |
| assert headings(body) == ["One", "Two", "Not masked, fence never closes"] |
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| def test_tilde_fence_is_not_closed_by_backticks(): |
| body = "### One\n~~~\n### Masked\n```\n### Also masked\n~~~\n### Two\n" |
| assert headings(body) == ["One", "Two"] |
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| def test_longer_fence_is_not_closed_by_a_shorter_one(): |
| body = "### One\n````\n### Masked\n```\n### Also masked\n````\n### Two\n" |
| assert headings(body) == ["One", "Two"] |
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| def test_info_string_does_not_close_a_fence(): |
| body = "### One\n```\n### Masked\n```py\n### Also masked\n```\n### Two\n" |
| assert headings(body) == ["One", "Two"] |
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| def test_fence_indented_inside_a_list_item_is_masked(): |
| """CommonMark measures a nested fence from the list's content column.""" |
| body = """### Steps to Reproduce |
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| 1. Quote the template: |
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| ```markdown |
| ### Acceptance Criteria |
| - [ ] not a real criterion |
| ``` |
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| ### Actual Behavior |
| It broke. |
| """ |
| assert headings(body) == ["Steps to Reproduce", "Actual Behavior"] |
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| def test_closing_fence_indented_past_the_limit_does_not_close(): |
| body = """### One |
| ```text |
| ### Masked |
| ``` |
| ### Also masked |
| ``` |
| ### Two |
| """ |
| assert headings(body) == ["One", "Two"] |
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| def test_closing_fence_may_be_indented_three_spaces(): |
| body = "### One\n```\n### Masked\n ```\n### Two\n" |
| assert headings(body) == ["One", "Two"] |
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