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Auto: s7-d2 — UDT / STRUCT / nested-DB fan-out

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Closes #300
This commit is contained in:
Joseph Doherty
2026-04-26 06:50:26 -04:00
parent 7e62a1158f
commit 5f8d84db43
13 changed files with 1139 additions and 16 deletions
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8
docs/drivers/S7-Test-Fixture.md
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@@ -90,8 +90,10 @@ not differentiated at test time.
### 5. Data types beyond the scalars
UDT fan-out, `STRING` with length-prefix quirks, `DTL` / `DATE_AND_TIME`,
arrays of structs — not covered.
`STRING` with length-prefix quirks, `DTL` / `DATE_AND_TIME`, arrays of
structs — not covered. UDT fan-out IS covered (PR-S7-D2 / #300) via the
`udt_layout` meta-seed in `Docker/profiles/s7_1500.json` and the
`Driver_fans_out_udt_into_member_tags` integration test.
## When to trust the S7 tests, when to reach for a rig
@@ -101,7 +103,7 @@ arrays of structs — not covered.
| "Does the driver lifecycle hang / crash?" | yes | yes |
| "Does a real read against an S7-1500 return correct bytes?" | no | yes (required) |
| "Does mailbox serialization actually prevent PG timeouts?" | no | yes (required) |
| "Does a UDT fan-out produce usable member variables?" | no | yes (required) |
| "Does a UDT fan-out produce usable member variables?" | yes (Snap7 + `udt_layout` meta-seed) | yes |
## Follow-up candidates