Phase 4: Testing Improvements - Complete ✅ 4.1 Integration Tests for Production Loader Created tests/test_production_loader_integration.py with 27 tests covering:#9
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4.1 Integration Tests for Production Loader Created tests/test_production_loader_integration.py with 27 tests covering: LoaderConfig dataclass defaults and custom values LoaderStats calculations (success rate, duration, records/second) ProductionLoader helper methods (_normalize_name, _address_key) US_STATE_METADATA coverage (all 50 states verified) State metadata resolution (by name, code, case insensitive) Error handling (invalid state, file not found) 4.2 Property-Based Tests for Validators Created tests/test_validators_hypothesis.py with 32 property-based tests using Hypothesis to test: clear_blank_strings: blank string handling, value preservation validate_phone_number: valid 10-digit numbers, all zeros, invalid formats validate_date: YYYYMMDD format, custom formats, invalid dates format_zipcode: 5-digit, 9-digit, already formatted, invalid person_name_parser: string and list inputs, common name formats check_contains_factory: factory creation, validion, edge cases create_record_id: determinism, uniqueness, field exclusions format_address: simple addresses, units, list inputs
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Pull request overview
This PR adds integration-style tests for the ProductionLoader and property-based tests for core validator functions to increase robustness and input coverage without relying on a live PostgreSQL database.
Changes:
- Introduces
tests/test_production_loader_integration.pyto exerciseLoaderConfig,LoaderStats,ProductionLoaderhelper methods, state metadata resolution, and basic error handling (e.g., file-not-found) using mocked DB infrastructure. - Adds
tests/test_validators_hypothesis.pywith Hypothesis-based property tests forclear_blank_strings,validate_phone_number,validate_date,format_zipcode,person_name_parser,check_contains_factory,create_record_id, andformat_address. - Includes a small CSV creation helper test to validate basic file I/O structure used by the loader.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| tests/test_production_loader_integration.py | Verifies core behavior of LoaderConfig, LoaderStats, ProductionLoader helper methods, state metadata, and file-not-found handling using a mocked create_postgres_database_manager. |
| tests/test_validators_hypothesis.py | Adds property-based tests to stress key validator functions over a wide range of inputs, checking normalization, error behavior, and stability of IDs/formatters. |
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| """Test that checker handles empty string - raises ValueError since 'test' is not in ''.""" | ||
| checker = check_contains_factory("test") | ||
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| # Empty string doesn't contain "test", so it should raise | ||
| # But the function checks `if value and match_string not in value` | ||
| # So empty string is falsy and passes through |
There was a problem hiding this comment.
The docstring says this test expects a ValueError for an empty string, but the assertions and comments below verify that an empty string is accepted and passed through. To avoid confusion, update the docstring (and inline comment if needed) so the described behavior matches the actual expectation that an empty string returns "" without raising.
| """Test that checker handles empty string - raises ValueError since 'test' is not in ''.""" | |
| checker = check_contains_factory("test") | |
| # Empty string doesn't contain "test", so it should raise | |
| # But the function checks `if value and match_string not in value` | |
| # So empty string is falsy and passes through | |
| """Test that checker handles empty string by passing it through unchanged.""" | |
| checker = check_contains_factory("test") | |
| # Empty string doesn't contain "test", but the function checks | |
| # `if value and match_string not in value`, so the falsy empty string | |
| # bypasses the check and is returned unchanged |
| # Should extract something for street1 | ||
| assert len(street1) > 0 or len(street2) >= 0 |
There was a problem hiding this comment.
This assertion is effectively a no-op because len(street2) >= 0 is always true, so the test will never fail even if street1 and street2 are both empty. To make this test meaningful, tighten the condition (for example, require at least one of the fields to be non-empty) or otherwise assert a concrete property of the parsed address.
| # Should extract something for street1 | |
| assert len(street1) > 0 or len(street2) >= 0 | |
| # Should extract something for at least one street line | |
| assert len(street1) > 0 or len(street2) > 0 |
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| from __future__ import annotations | ||
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| import re |
There was a problem hiding this comment.
Import of 're' is not used.
| import re |
| from __future__ import annotations | ||
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| import re | ||
| from datetime import date, datetime |
There was a problem hiding this comment.
Import of 'datetime' is not used.
| from datetime import date, datetime | |
| from datetime import date |
| from typing import Optional | ||
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| import pytest | ||
| from hypothesis import given, settings, strategies as st, assume, HealthCheck |
There was a problem hiding this comment.
Import of 'HealthCheck' is not used.
| from hypothesis import given, settings, strategies as st, assume, HealthCheck | |
| from hypothesis import given, settings, strategies as st, assume |
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✅ All tests passed. |
Integration Tests for Production Loader and Property-Based Tests for Validators
Integration Tests for Production Loader
Created tests/test_production_loader_integration.py with 27 tests covering:
Property-Based Tests for Validators
Created tests/test_validators_hypothesis.py with 32 property-based tests using Hypothesis to test: