The document carries a single user-defined custom property 'TestProperty' whose value is the string 'test value'.
Library verdicts: python-docx: — docxjs: —
| Feature id | docx/custom-document-property |
|---|---|
| Format | docx |
| Category | metadata |
| Spec | ecma-376-5-part-2 § 11.2 op:property |
| ID / part | Predicate | XPath | python-docx | docxjs |
|---|---|---|---|---|
custom-property-presentdocProps/custom.xml | existThe custom-properties part must carry an <op:property> element whose name='TestProperty'. | //op:property[@name='TestProperty'] | — | — |
custom-property-valuedocProps/custom.xml | equal = test valueThe TestProperty property's <vt:lpwstr> child must hold the literal string 'test value'. | //op:property[@name='TestProperty']/vt:lpwstr | — | — |
No render assertions declared.
scripts/gen_custom_document_property.py
#!/usr/bin/env python3
"""Generate ``fixtures/docx/custom-document-property.docx``.
A minimal document exercising the OPC custom-properties part. Adds one
user-defined property ``TestProperty`` with the string value ``test value``.
The feature is metadata-only; ``word/document.xml`` content is irrelevant.
Designed to satisfy the assertions in
``features/docx/custom-document-property.json``.
"""
from __future__ import annotations
from pathlib import Path
from docx import Document
_REPO_ROOT = Path(__file__).resolve().parent.parent
_OUT = _REPO_ROOT / "fixtures" / "docx" / "custom-document-property.docx"
def main() -> int:
doc = Document()
doc.custom_properties["TestProperty"] = "test value"
doc.add_paragraph("Body content; custom property is the feature under test.")
_OUT.parent.mkdir(parents=True, exist_ok=True)
doc.save(_OUT, reproducible=True)
print(_OUT)
return 0
if __name__ == "__main__":
raise SystemExit(main())
{
"$schema": "../manifest.schema.json",
"id": "docx/custom-document-property",
"title": "Custom document property (string)",
"format": "docx",
"category": "metadata",
"summary": "The document carries a single user-defined custom property 'TestProperty' whose value is the string 'test value'.",
"spec": {
"source": "ecma-376-5-part-2",
"clause": "11.2",
"element": "op:property",
"notes": "ECMA-376 Part 2 (OPC) defines the custom-properties part at 'docProps/custom.xml' with the 'op' namespace (officeDocument/2006/custom-properties) for the <op:properties>/<op:property> container and 'vt' (officeDocument/2006/docPropsVTypes) for the typed value elements. A string property is serialised as <vt:lpwstr>. Each property must also declare a unique 'pid' (>= 2) and a 'fmtid' attribute, but those are implementation details; the assertion here targets the name/value pair, which is the user-visible surface."
},
"fixtures": {
"machine": "docx/custom-document-property",
"office": "docx/custom-document-property"
},
"generator": {
"python": "scripts/gen_custom_document_property.py"
},
"assertions": [
{
"id": "custom-property-present",
"part": "docProps/custom.xml",
"namespaces": {
"op": "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties",
"vt": "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"
},
"xpath": "//op:property[@name='TestProperty']",
"must": "exist",
"description": "The custom-properties part must carry an <op:property> element whose name='TestProperty'."
},
{
"id": "custom-property-value",
"part": "docProps/custom.xml",
"namespaces": {
"op": "http://schemas.openxmlformats.org/officeDocument/2006/custom-properties",
"vt": "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"
},
"xpath": "//op:property[@name='TestProperty']/vt:lpwstr",
"must": "equal",
"value": "test value",
"description": "The TestProperty property's <vt:lpwstr> child must hold the literal string 'test value'."
}
]
}
