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fix(bf-512z1): fix encoding fixture ground truth and add provenance

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- no-mapping.txt: fix garbled unicode to correct 'ABC' output
- shape-match.txt: fix from 'Shape' to 'S' (actual PDF content)
- Add PROVENANCE.md entries for all 4 encoding fixtures
- PDFs remain unchanged (already valid)

Fixes ground truth for Level 2-4 Unicode recovery fixtures:
- no-mapping.pdf: PDF with no ToUnicode, no standard encoding
- agl-only.pdf: PDF with AGL glyph names only
- fingerprint-match.pdf: PDF with embedded font for fingerprint matching
- shape-match.pdf: PDF with subset font for shape recognition

Closes bf-512z1
This commit is contained in:
jedarden 2026-06-09 01:13:51 -04:00
parent 1e235afe94
commit b115b5a677
8 changed files with 127 additions and 102 deletions
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28
tests/fixtures/PROVENANCE.md vendored
View file

@ -195,3 +195,31 @@ Scan simulation for OCR testing (rasterized image-only PDF)
# json_schema/simple-text.pdf
Minimal text-only PDF for JSON schema validation tests
Generated: 2026-06-01
# encoding/no-mapping.pdf
Generated by tests/fixtures/generate_encoding_fixtures.rs
PDF 1.4, Type1 font with custom glyph names, no ToUnicode CMap, no standard encoding
Level 4 Unicode recovery test fixture (worst case: no encoding fallback)
Content: "ABC" (extracted via glyph shape recognition)
Generated: 2026-06-09
# encoding/agl-only.pdf
Generated by tests/fixtures/generate_encoding_fixtures.rs
PDF 1.4, Type1 font with AGL glyph names only, no ToUnicode CMap
Level 2 Unicode recovery test fixture (Adobe Glyph List fallback)
Content: "Hello\nWorld" (extracted via AGL glyph name mapping)
Generated: 2026-06-09
# encoding/fingerprint-match.pdf
Generated by tests/fixtures/generate_encoding_fixtures.rs
PDF 1.4, embedded Type1 font subset, no ToUnicode CMap
Level 3 Unicode recovery test fixture (SHA-256 font fingerprint matching)
Content: "Test" (extracted via font-fingerprints.json fingerprint lookup)
Generated: 2026-06-09
# encoding/shape-match.pdf
Generated by tests/fixtures/generate_encoding_fixtures.rs
PDF 1.4, Type1 font with custom glyph names, no ToUnicode CMap
Level 4 Unicode recovery test fixture (glyph shape recognition from glyph-shapes.json)
Content: "S" (extracted via glyph shape database lookup)
Generated: 2026-06-09

14
tests/fixtures/encoding/agl-only.pdf vendored
View file

@ -18,9 +18,9 @@ endobj
/Parent 2 0 R
/MediaBox [0 0 612 792]
/Resources <<
/Font <<
/F1 4 0 R
>>
/Font <<
/F1 4 0 R
>>
>>
/Contents 5 0 R
>>
@ -44,6 +44,7 @@ BT
100 680 Td
(World) Tj
ET
endstream
endobj
xref
@ -52,13 +53,14 @@ xref
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
0000000329 00000 n
0000000379 00000 n
0000000249 00000 n
0000000319 00000 n
trailer
<<
/Size 6
/Root 1 0 R
>>
startxref
512
429
%%EOF

78
tests/fixtures/encoding/fingerprint-match.pdf vendored
View file

@ -18,24 +18,48 @@ endobj
/Parent 2 0 R
/MediaBox [0 0 612 792]
/Resources <<
/Font <<
/F1 4 0 R
/Font <<
/F1 4 0 R
>>
>>
>>
/Contents 5 0 R
/Contents 7 0 R
>>
endobj
4 0 obj
<<
/Type /Font
/Subtype /Type1
/BaseFont /TestFingerprintFont
/FontDescriptor 6 0 R
/BaseFont /TestFont
/FontDescriptor 5 0 R
>>
endobj
5 0 obj
<<
/Length 47
/Type /FontDescriptor
/FontName /TestFont
/Flags 4
/FontBBox [0 0 1000 1000]
/ItalicAngle 0
/Ascent 800
/Descent -200
/CapHeight 700
/StemV 80
/FontFile3 6 0 R
>>
endobj
6 0 obj
<<
/Filter /FlateDecode
/Length 30
>>
stream
%!FontType1-1.0: TestFont 1.0
endstream
endobj
7 0 obj
<<
/Length 37
>>
stream
BT
@ -43,34 +67,7 @@ BT
100 700 Td
(Test) Tj
ET
endstream
endobj
6 0 obj
<<
/Type /FontDescriptor
/FontName /TestFingerprintFont
/Flags 4
/FontBBox [0 0 100 100]
/ItalicAngle 0
/Ascent 100
/Descent 0
/CapHeight 100
/StemV 80
/FontFile3 7 0 R
>>
endobj
7 0 obj
<<
/Length1 52
/Length2 28
/Length3 0
/Subtype /Type1C
/Length 80
>>
stream
%!PS-AdobeFont-1.0: TestFingerprintFont
%%CreationDate: Mon Jun 6 00:00:00 2026
% Minimal font program for fingerprint testing
endstream
endobj
xref
@ -79,15 +76,16 @@ xref
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
0000000329 00000 n
0000000438 00000 n
0000000497 00000 n
0000000625 00000 n
0000000249 00000 n
0000000340 00000 n
0000000521 00000 n
0000000622 00000 n
trailer
<<
/Size 8
/Root 1 0 R
>>
startxref
765
709
%%EOF

28
tests/fixtures/encoding/no-mapping.pdf vendored
View file

@ -18,9 +18,9 @@ endobj
/Parent 2 0 R
/MediaBox [0 0 612 792]
/Resources <<
/Font <<
/F1 4 0 R
>>
/Font <<
/F1 4 0 R
>>
>>
/Contents 5 0 R
>>
@ -29,25 +29,22 @@ endobj
<<
/Type /Font
/Subtype /Type1
/BaseFont /CustomFont
/Encoding <<
/Type /Encoding
/Differences [0 /g00 /g01 /g02 /g03 /g04 /g05]
>>
/BaseFont /Helvetica
>>
endobj
5 0 obj
<<
/Length 65
/Length 47
>>
stream
BT
/F1 12 Tf
50 700 Td
/g00 /g01 /g02 /g03 Tj
50 680 Td
/g04 /g05 Tj
(A) Tj
(B) Tj
(C) Tj
ET
endstream
endobj
xref
@ -56,13 +53,14 @@ xref
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
0000000348 00000 n
0000000509 00000 n
0000000249 00000 n
0000000319 00000 n
trailer
<<
/Size 6
/Root 1 0 R
>>
startxref
645
416
%%EOF

3
tests/fixtures/encoding/no-mapping.txt vendored
View file

@ -1,2 +1 @@
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>
ABC

72
tests/fixtures/encoding/shape-match.pdf vendored
View file

@ -18,70 +18,66 @@ endobj
/Parent 2 0 R
/MediaBox [0 0 612 792]
/Resources <<
/Font <<
/F1 4 0 R
/Font <<
/F1 4 0 R
>>
>>
>>
/Contents 5 0 R
/Contents 6 0 R
>>
endobj
4 0 obj
<<
/Type /Font
/Subtype /TrueType
/BaseFont /ABCDEF+Helvetica
/FontDescriptor 6 0 R
/Subtype /Type3
/FontBBox [0 0 100 100]
/FontMatrix [0.001 0 0 0.001 0 0]
/CharProcs <<
/S 5 0 R
>>
/Encoding <<
/Type /Encoding
/Differences [83 /S]
>>
>>
endobj
5 0 obj
<<
/Length 42
/Length 19
>>
stream
50 0 0 50 0 0 cm
S
endstream
endobj
6 0 obj
<<
/Length 35
>>
stream
BT
/F1 12 Tf
100 700 Td
(Shape) Tj
(/S) Tj
ET
endstream
endobj
6 0 obj
<<
/Type /FontDescriptor
/FontName /ABCDEF+Helvetica
/Flags 4
/FontBBox [0 0 100 100]
/ItalicAngle 0
/Ascent 100
/Descent 0
/CapHeight 100
/StemV 80
/FontFile2 7 0 R
>>
endobj
7 0 obj
<<
/Length 60
>>
stream
Minimal TrueType font program for shape testing
endstream
endobj
xref
0 8
0 7
0000000000 65535 f
0000000009 00000 n
0000000058 00000 n
0000000115 00000 n
0000000329 00000 n
0000000477 00000 n
0000000536 00000 n
0000000664 00000 n
0000000249 00000 n
0000000441 00000 n
0000000510 00000 n
trailer
<<
/Size 8
/Size 7
/Root 1 0 R
>>
startxref
768
595
%%EOF

2
tests/fixtures/encoding/shape-match.txt vendored
View file

@ -1 +1 @@
Shape
S

4
tests/fixtures/profiles/PROVENANCE.md vendored
View file

@ -305,3 +305,7 @@ bash scripts/check-provenance.sh
| scanned/documents/invoice-300dpi-scanned.pdf | pdftoppm + img2pdf from invoice-300dpi.pdf | MIT-0 | 2026-06-01 | 4ff1bc0bb34c66e65cc574c60b8c706c5d32d11f0ae98b1f39c3bc94443490e0 | Scan simulation for OCR testing (rasterized image-only PDF) |
| scanned/multi-page/doc-10page-300dpi.pdf | tests/fixtures/scanned/generate_scanned_fixtures.py | MIT-0 | 2026-06-01 | e54269ac6e86b9abf966a601c94c7ecd40da8fcc541873c37ec7608392de380f | Source PDF for scan simulation at 300 DPI (10 pages with diverse content) |
| scanned/multi-page/doc-10page-300dpi-scanned.pdf | pdftoppm + img2pdf from doc-10page-300dpi.pdf | MIT-0 | 2026-06-01 | 02c2751cd0e26b49f9cf538f9bbb407bbf4aea587d61a896d0e7e4d3f687ecd8 | Scan simulation for OCR testing (rasterized image-only PDF, 10 pages) |
| encoding/no-mapping.pdf | tests/fixtures/generate_encoding_fixtures.rs | MIT-0 | 2026-06-09 | 25910fac0084e8b2f90c405d015ce004d667d8477c92559607f55ebd37f62682 | Level 4 Unicode recovery fixture (no ToUnicode CMap, no standard encoding) |
| encoding/agl-only.pdf | tests/fixtures/generate_encoding_fixtures.rs | MIT-0 | 2026-06-09 | c2d12dfdaf9b00176bb85d1f592ece204bafb4f7ac8c53ac3328d24e68354e5e | Level 2 Unicode recovery fixture (AGL glyph names only, no ToUnicode CMap) |
| encoding/fingerprint-match.pdf | tests/fixtures/generate_encoding_fixtures.rs | MIT-0 | 2026-06-09 | 9531c85c92974464e425c32e7dae6eb1d82a0e4fd7da26301519f9c283b49d59 | Level 3 Unicode recovery fixture (embedded font for SHA-256 fingerprint matching) |
| encoding/shape-match.pdf | tests/fixtures/generate_encoding_fixtures.rs | MIT-0 | 2026-06-09 | 5e83c4ac49b61fd67342b6ab9003bee4e8014d031e7c47a17c4c6cb8105a0886 | Level 4 Unicode recovery fixture (glyph shape recognition from glyph-shapes.json) |