feat: test_mode_samples() accessor for PYAUTO_TEST_MODE_SAMPLES#126
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Number of fake samples the test-mode sampler bypass writes (default 4 = historical behaviour; values below 4 raise). Consumed by PyAutoFit's _build_fake_samples to write size-realistic samples.csv outputs (PyAutoFit#1379; design locked on PyAutoFit#1378). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This was referenced Jul 17, 2026
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Summary
Adds
test_mode_samples()toautoconf/test_mode.py— readsPYAUTO_TEST_MODE_SAMPLES(default 4, the historical test-mode bypass sample count; values below 4 raiseValueError). Consumed by PyAutoFit's test-mode sampler bypass to writesamples.csvfiles whose row count and byte size match a production sampler stage (PyAutoLabs/PyAutoFit#1379; design locked on PyAutoLabs/PyAutoFit#1378).Merge order: this PR merges before the paired PyAutoFit PR (dependency direction autofit → autoconf).
API Changes
Added one accessor:
autoconf.test_mode.test_mode_samples(). Nothing existing changed — with the env var unset every consumer behaves exactly as before.See full details below.
Test Plan
pytest test_autoconf/— 138 passed (3 new: default returns 4; env value returned; below-4 raises)Full API Changes (for automation & release notes)
Added
autoconf.test_mode.test_mode_samples()— returnsint(os.environ.get("PYAUTO_TEST_MODE_SAMPLES", "4")); raisesValueErrorfor values below 4 (4 is the minimum preserving the bypass sample structure).Migration
Generated by the PyAutoLabs agent workflow.