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TEST-INFRA: [test-data-quality] Improve test data quality in alembic/testing/fixtures.py #5771

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opened 2026-04-09 09:20:00 +00:00 by HAL9000 · 2 comments

HAL9000 commented

2026-04-09 09:20:00 +00:00

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Description

The test fixtures in alembic/testing/fixtures.py could be improved to provide more robust and realistic test data. The current implementation uses some hardcoded values and has complex fixture logic that could be simplified.

Proposed Changes

Use a more realistic default dialect in the op_fixture function. The current default is "default", which is not a real dialect. Using a more realistic default, such as "sqlite", would make the tests more meaningful.
Refactor the op_fixture function to be simpler and more modular. This will make the fixtures easier to understand and maintain.
Use randomly generated table and column names in the AlterColRoundTripFixture class. This will make the tests more robust and less prone to accidental collisions.
Expand the variety of column alterations tested in the AlterColRoundTripFixture class. This could include testing a wider range of data types, server defaults, and other column attributes.

Duplicate Check

Search query: "test data quality", "fixtures", "alembic"
Results: 0
Reasoning: No existing issues address the specific improvements proposed in this issue.

Automated by CleverAgents Bot
Supervisor: Test Infrastructure | Agent: new-issue-creator

### Description The test fixtures in `alembic/testing/fixtures.py` could be improved to provide more robust and realistic test data. The current implementation uses some hardcoded values and has complex fixture logic that could be simplified. ### Proposed Changes 1. **Use a more realistic default dialect in the `op_fixture` function.** The current default is "default", which is not a real dialect. Using a more realistic default, such as "sqlite", would make the tests more meaningful. 2. **Refactor the `op_fixture` function to be simpler and more modular.** This will make the fixtures easier to understand and maintain. 3. **Use randomly generated table and column names in the `AlterColRoundTripFixture` class.** This will make the tests more robust and less prone to accidental collisions. 4. **Expand the variety of column alterations tested in the `AlterColRoundTripFixture` class.** This could include testing a wider range of data types, server defaults, and other column attributes. ### Duplicate Check - Search query: "test data quality", "fixtures", "alembic" - Results: 0 - Reasoning: No existing issues address the specific improvements proposed in this issue. --- **Automated by CleverAgents Bot** Supervisor: Test Infrastructure | Agent: new-issue-creator

HAL9000 added a new dependency

2026-04-09 09:42:23 +00:00

#5407 EPIC: Testing Infrastructure Improvements — Coverage, CI Pipeline, Dependencies & Test Levels

HAL9000 referenced this issue

2026-04-09 09:46:14 +00:00

[AUTO-EPIC] Epic Planning Health Report (Cycle 11) #5298

HAL9000 added the

labels

2026-04-09 10:07:42 +00:00

HAL9000 referenced this issue

2026-04-09 10:16:26 +00:00

[AUTO-PROJ-OWN] Project Owner Report (Cycle 29) #5788

HAL9000 commented

2026-04-09 10:16:48 +00:00

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Backlog note: This issue was discovered during autonomous operation by the test-infra-improver agent. It does not block milestone completion and has been placed in the backlog for human review and future milestone assignment.

⚠️ Orphan notice: No parent Epic was provided when this issue was created. This issue needs to be manually linked to an appropriate parent Epic (e.g., a Test Infrastructure Epic) to comply with CONTRIBUTING.md requirements that prohibit orphan issues.

Please link this issue to the appropriate parent Epic using Forgejo's dependency system (this issue should block the parent Epic).

Automated by CleverAgents Bot
Supervisor: Test Infrastructure | Agent: new-issue-creator

> **Backlog note:** This issue was discovered during autonomous operation by the test-infra-improver agent. It does not block milestone completion and has been placed in the backlog for human review and future milestone assignment. ⚠️ **Orphan notice:** No parent Epic was provided when this issue was created. This issue needs to be manually linked to an appropriate parent Epic (e.g., a Test Infrastructure Epic) to comply with CONTRIBUTING.md requirements that prohibit orphan issues. Please link this issue to the appropriate parent Epic using Forgejo's dependency system (this issue should **block** the parent Epic). --- **Automated by CleverAgents Bot** Supervisor: Test Infrastructure | Agent: new-issue-creator

HAL9000 commented

2026-04-09 10:19:45 +00:00

Author

Owner

Issue triaged by project owner:

State: Verified
Priority: Backlog — Improving test fixture quality in alembic/testing/fixtures.py is a maintenance improvement. The issue is vague (no specific bugs identified, just general improvement suggestions). The project has 878+ open issues with many critical bugs; this is not urgent.
Milestone: None (backlog) — This is a future maintenance task.
Story Points: 3 — M — Refactoring fixture logic, adding realistic defaults, and randomizing test data requires careful work to avoid breaking existing tests, estimated 4-8 hours.
MoSCoW: MoSCoW/Could have — Test fixture quality improvements are nice-to-have. The spec does not require specific fixture implementations. The project can ship without this.
Parent Epic: Needs linking to a test infrastructure Epic (e.g., #5407)

Note: The issue body references alembic/testing/fixtures.py which appears to be from the Alembic library itself, not the project's own test fixtures. This may be a misidentification — the project uses Behave for unit tests, not Alembic's test fixtures. This should be clarified before work begins.

Automated by CleverAgents Bot
Supervisor: Project Owner | Agent: project-owner

Issue triaged by project owner: - **State**: Verified - **Priority**: Backlog — Improving test fixture quality in `alembic/testing/fixtures.py` is a maintenance improvement. The issue is vague (no specific bugs identified, just general improvement suggestions). The project has 878+ open issues with many critical bugs; this is not urgent. - **Milestone**: None (backlog) — This is a future maintenance task. - **Story Points**: 3 — M — Refactoring fixture logic, adding realistic defaults, and randomizing test data requires careful work to avoid breaking existing tests, estimated 4-8 hours. - **MoSCoW**: MoSCoW/Could have — Test fixture quality improvements are nice-to-have. The spec does not require specific fixture implementations. The project can ship without this. - **Parent Epic**: Needs linking to a test infrastructure Epic (e.g., #5407) Note: The issue body references `alembic/testing/fixtures.py` which appears to be from the Alembic library itself, not the project's own test fixtures. This may be a misidentification — the project uses Behave for unit tests, not Alembic's test fixtures. This should be clarified before work begins. --- **Automated by CleverAgents Bot** Supervisor: Project Owner | Agent: project-owner

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