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51 lines
2.6 KiB
Markdown
51 lines
2.6 KiB
Markdown
---
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name: planning-oracle-to-postgres-migration-integration-testing
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description: 'Creates an integration testing plan for .NET data access artifacts during Oracle-to-PostgreSQL database migrations. Analyzes a single project to identify repositories, DAOs, and service layers that interact with the database, then produces a structured testing plan. Use when planning integration test coverage for a migrated project, identifying which data access methods need tests, or preparing for Oracle-to-PostgreSQL migration validation.'
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---
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# Planning Integration Testing for Oracle-to-PostgreSQL Migration
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Analyze a single target project to identify data access artifacts that require integration testing, then produce a structured, actionable testing plan.
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## Workflow
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```
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Progress:
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- [ ] Step 1: Identify data access artifacts
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- [ ] Step 2: Classify testing priorities
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- [ ] Step 3: Write the testing plan
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```
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**Step 1: Identify data access artifacts**
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Scope to the target project only. Find classes and methods that interact directly with the database — repositories, DAOs, stored procedure callers, service layers performing CRUD operations.
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**Step 2: Classify testing priorities**
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Rank artifacts by migration risk. Prioritize methods that use Oracle-specific features (refcursors, `TO_CHAR`, implicit type coercion, `NO_DATA_FOUND`) over simple CRUD.
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**Step 3: Write the testing plan**
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Write a markdown plan covering:
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- List of testable artifacts with method signatures
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- Recommended test cases per artifact
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- Seed data requirements
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- Known Oracle→PostgreSQL behavioral differences to validate
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- Coverage mapping that ensures every database touchpoint has at least one test case (or a justified set of cases for high-risk methods)
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When defining recommended test cases, explicitly include:
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- Text parameter behavior for both empty string and `NULL`/missing values.
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- Datetime/timezone assertions, including round-trip and comparison behavior.
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- Cases where destination columns use `timestamp without time zone` or `timestamp(0)`, with explicit timezone-application expectations.
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## Output
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Write the plan to: `.github/oracle-to-postgres-migration/Reports/{TARGET_PROJECT} Integration Testing Plan.md`
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## Key Constraints
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- **Single project scope** — only plan tests for artifacts within the target project.
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- **Database interactions only** — skip business logic that does not touch the database.
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- **Oracle is the golden source** — tests should capture Oracle's expected behavior for comparison against PostgreSQL.
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- **No multi-connection harnessing** — migrated applications are copied and renamed (e.g., `MyApp.Postgres`), so each instance targets one database.
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