125 lines
6.2 KiB
Gherkin
125 lines
6.2 KiB
Gherkin
Feature: DecisionService application-layer coverage
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As a developer
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I want thorough unit tests for every DecisionService method
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So that decision_service.py achieves full line and branch coverage
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# All steps use the "dsvc-" prefix to avoid collisions with other step files.
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# ------------------------------------------------------------------
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# Constructor
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# ------------------------------------------------------------------
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Scenario: dsvc- constructor stores settings and unit_of_work
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Given dsvc- a mock settings object and a mock UnitOfWork
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When dsvc- I construct a DecisionService with those dependencies
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Then dsvc- the service should store the settings
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And dsvc- the service should store the unit_of_work
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And dsvc- the service should have a bound structlog logger
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# ------------------------------------------------------------------
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# record_decision
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# ------------------------------------------------------------------
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Scenario: dsvc- record_decision persists and returns the decision
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Given dsvc- a DecisionService with a mocked UnitOfWork
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When dsvc- I call record_decision with plan_id and required args
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Then dsvc- the UoW transaction should have been entered
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And dsvc- ctx.decisions.create should have been called once
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And dsvc- the returned decision should have the correct plan_id
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Scenario: dsvc- record_decision logs info on success
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Given dsvc- a DecisionService with a mocked UnitOfWork and captured logger
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When dsvc- I call record_decision with plan_id and required args
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Then dsvc- the logger should have recorded an info call with "decision.recorded"
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# ------------------------------------------------------------------
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# get_decision
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# ------------------------------------------------------------------
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Scenario: dsvc- get_decision retrieves a decision by ID
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get method returns a Decision
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When dsvc- I call get_decision with a known ID
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Then dsvc- ctx.decisions.get should have been called with the ID
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And dsvc- the returned value should be the expected Decision
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Scenario: dsvc- get_decision raises DecisionNotFoundError when not found
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get method returns None
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When dsvc- I call get_decision with an unknown ID expecting not-found
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Then dsvc- a DecisionNotFoundError should have been raised
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# ------------------------------------------------------------------
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# list_decisions
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# ------------------------------------------------------------------
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Scenario: dsvc- list_decisions returns list of decisions
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get_by_plan method returns 3 decisions
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When dsvc- I call list_decisions with a plan ID
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Then dsvc- ctx.decisions.get_by_plan should have been called with the plan ID
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And dsvc- the returned list should have 3 decisions
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Scenario: dsvc- list_decisions returns empty list when none exist
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get_by_plan method returns 0 decisions
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When dsvc- I call list_decisions with a plan ID
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Then dsvc- the returned list should have 0 decisions
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# ------------------------------------------------------------------
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# get_tree
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# ------------------------------------------------------------------
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Scenario: dsvc- get_tree returns BFS-ordered list
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get_by_plan method returns 4 decisions as a tree
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When dsvc- I call get_tree with a plan ID
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Then dsvc- the returned tree list should have 4 decisions
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# ------------------------------------------------------------------
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# get_path_to_root
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# ------------------------------------------------------------------
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Scenario: dsvc- get_path_to_root returns leaf-to-root path
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo get_path_to_root method returns 3 decisions
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When dsvc- I call get_path_to_root with a leaf ID
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Then dsvc- ctx.decisions.get_path_to_root should have been called with the leaf ID
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And dsvc- the returned path list should have 3 decisions
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# ------------------------------------------------------------------
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# mark_superseded
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# ------------------------------------------------------------------
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Scenario: dsvc- mark_superseded updates and returns the decision
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo has the replacement decision in cache
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And dsvc- the mock repo update_superseded_by method returns a superseded Decision
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When dsvc- I call mark_superseded with old and new IDs
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Then dsvc- ctx.decisions.update_superseded_by should have been called with both IDs
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And dsvc- the returned decision should be the superseded one
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Scenario: dsvc- mark_superseded logs info with both IDs
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Given dsvc- a DecisionService with a mocked UnitOfWork and captured logger
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And dsvc- the mock repo has the replacement decision in cache
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And dsvc- the mock repo update_superseded_by method returns a superseded Decision
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When dsvc- I call mark_superseded with old and new IDs
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Then dsvc- the logger should have recorded an info call with "decision.superseded"
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# ------------------------------------------------------------------
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# list_by_type
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# ------------------------------------------------------------------
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Scenario: dsvc- list_by_type returns filtered decisions
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo list_by_type method returns 2 decisions
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When dsvc- I call list_by_type with plan ID and type "strategy_choice"
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Then dsvc- ctx.decisions.list_by_type should have been called with plan ID and type
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And dsvc- the returned type list should have 2 decisions
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Scenario: dsvc- list_by_type returns empty when no matches
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Given dsvc- a DecisionService with a mocked UnitOfWork
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And dsvc- the mock repo list_by_type method returns 0 decisions
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When dsvc- I call list_by_type with plan ID and type "error_recovery"
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Then dsvc- the returned type list should have 0 decisions
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