ba01e18afb381b36f5a2289da21b7b7681954f2a
100%

Ran 31 Aug 2026 05:49PM UTC

Jobs 1

Files 8

Run time 1min

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Committed 31 Aug 2026 05:48PM UTC coverage: 99.327% (+0.9%) from 98.43%

Build # ba01e18afb381b36f5a2289da21b7b7681954f2a

Build Type

push

github

Committed by

web-flow

Commit Message

Cover error paths for union vectors and mismatched schemas (#12)

## Why

Four reachable error branches had no tests: the writer's handling of
union vectors (which the schema parser accepts but the writer cannot
encode), and `get/4`'s defense against a schema whose entities disagree
with the buffer.

## What

- Writing a vector of unions throws `wrong_type` per element; writing an
empty one throws `unknown_scalar` when sizing the elements.
- `get/4` raises `BadFlatbufferError` when the schema names a field type
reading does not recognize, and when the table definition for the path
is absent from the schema.

Coverage rises from 98.5% to 99.3%; `access.ex` and `reading.ex` reach
100%. The three remaining uncovered lines are defensive clauses
unreachable through any parseable schema (`sizeof` for
vectors-of-vectors, which the grammar rejects, and the writer's
bare-atom `without_default`/`alignment` fallbacks).

https://claude.ai/code/session_014wfX6262n6A6qBPCXEo6Gz

Coverage Stats

443 of 446 relevant lines covered (99.33%)

52.94 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	ba01e18afb381b36f5a2289da21b7b7681954f2a.1	31 Aug 2026 05:49PM UTC	8	99.33	GitHub Action Run

jallum / flatbuffer / ba01e18afb381b36f5a2289da21b7b7681954f2a
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