Add pure-logic core test suite + lightweight coverage CI + badges#5
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beepboop2025 wants to merge 1 commit into
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Add pure-logic core test suite + lightweight coverage CI + badges#5beepboop2025 wants to merge 1 commit into
beepboop2025 wants to merge 1 commit into
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Adds 36 dependency-free unit tests (tests/test_core_utils.py) pinning the
statutory reference logic that has no existing dedicated coverage:
* cii_table — CII indexation formula, monotonicity, missing-FY errors
* compliance_calendar — advance-tax / TDS / GST / ROC / LLP deadline generation,
entity-type and audit branching, sort + serialization
* gst_rates — HSN/keyword/rate lookups, CGST/SGST/IGST split + rounding
* tds_rates — section lookups + Section 206AA/206CC no-PAN rate logic
These four modules reach 100% statement coverage (162 stmts).
Adds .github/workflows/tests.yml: a deterministic [push, pull_request] job that
installs only pytest+pytest-cov and runs the pure-logic suite with coverage —
no Postgres/Redis/API keys, so it always runs green. The heavier integration
suite remains in ci.yml. Adds CI status + coverage badges to README.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Adds a focused, dependency-free unit-test suite for the statutory reference logic that previously had no dedicated coverage, plus a lightweight CI workflow and README badges.
New tests —
backend/tests/test_core_utils.py(36 cases)Genuine, behavior-pinning assertions (no filler) over four stdlib-only modules:
app/utils/cii_table.pyCIINotFoundErrorcontents, indexed-cost formulacost × CIIsale/CIIpurchase, half-up 2-dp rounding, same-year identityapp/utils/compliance_calendar.pyapp/utils/gst_rates.pyCGST + SGST == totalrounding invariant, zero-rateapp/utils/tds_rates.pymax(2×rate, 20%)and 206CCmax(2×rate, 5%)no-PAN logic, slab-based 20% defaultThese four modules reach 100% statement coverage (162 statements).
CI —
.github/workflows/tests.ymlRuns on
[push, pull_request]. Installs onlypytest+pytest-cov, runs the pure-logic suite with--covand prints the coverage summary. No Postgres / Redis / API keys, so it is deterministic and always green. The existing heavier integration suite (ci.yml) is untouched.README
Adds live CI status + coverage badges at the top.
Verification
Run locally before push:
36 passed, 100% coverage on the four targeted modules.