====== ENV-002g — Enforce Environmental Constraints ======

[[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-01-test-environment-requirements:env-002-configure-test-environment:start|Go to ENV-002 — Configure Test Environment]]

===== Statement =====

The [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] SHALL enforce each environmental [[dido:99_annexes:annex-b-terms-and-definitions:c:constraint|Constraint]] applicable to a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]] before and during [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]].

===== Derived From =====

  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-005|[DTE5] DIDO-TE Requirements Register]], source requirement identifier and obligation to be assigned
  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-006|[DTE6] Structured Information Processing Reference Architecture (SIP-RA)]]
  * [[dido:03-dido-te:99-annexes:annex-b-references:dte-007|[DTE7] Federated Data Interpretation Systems Reference Architecture (FDIS-RA)]]

===== Rationale =====

Environmental [[dido:99_annexes:annex-b-terms-and-definitions:c:constraint|Constraints]] define the physical, virtual, operational, temporal, and resource conditions governing a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]].

Enforcing these Constraints establishes the controlled conditions under which [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]] occurs. These conditions include applicable limits on capacity, availability, location, isolation, connectivity, timing, temperature, power, processing, memory, storage, and network characteristics.

Maintaining the required environmental conditions supports [[dido:99_annexes:annex-b-terms-and-definitions:r:reproducibility|Reproducibility]] and assessment of whether an environmental deviation influenced a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]].

===== Applies To =====

  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:constraint|Constraint]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_resource|Test Resource]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:d:deployment_target|Deployment Target]]

===== Verification =====

Verification confirms that:

  * The DIDO-TE identifies every environmental Constraint applicable to the Test Environment.
  * The DIDO-TE enforces each applicable environmental Constraint before and during Test Execution.
  * The DIDO-TE observes the environmental conditions governed by each Constraint.
  * The observed environmental conditions remain within their specified limits.
  * The DIDO-TE records environmental conditions and deviations as [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]].
  * The DIDO-TE maintains [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] among each environmental Constraint, the governed environmental condition, and the applicable Test Execution.
  * The DIDO-TE prevents Test Execution when a required environmental Constraint remains unsatisfied before execution.
  * The DIDO-TE identifies a violation occurring during Test Execution and records its relationship to the affected Test Execution and Test Results.
  * A missing, unenforced, violated, or untraceable environmental Constraint constitutes nonconformance with this requirement.

Verification includes:

  * Inspection of the environmental Constraints applicable to the Test Environment
  * Inspection of the mechanisms enforcing each environmental Constraint
  * Inspection of environmental observations and Evidence
  * Comparison of observed environmental conditions with their specified limits
  * Inspection of Traceability records
  * A negative assessment using an unsatisfied environmental Constraint before Test Execution
  * Confirmation that the DIDO-TE prevents Test Execution when the Constraint remains unsatisfied
  * A negative assessment introducing an environmental Constraint violation during Test Execution
  * Confirmation that the DIDO-TE identifies and records the violation and its relationship to the affected Test Execution and Test Results

===== Referenced By =====

{{backlinks>.}}

===== Related Architecture Sections =====

  * Add links to the architecture sections governing environmental Constraints, Test Environment control, observation, and exception handling.

===== Delivery Phase =====

Assign the applicable delivery phase.

===== Requirement Status =====

Draft

===== Statement Reference =====

Use the following syntax to reference this requirement’s Statement section from another DokuWiki page:

<code dokuwiki>
{{section>dido:03-dido-te:99-annexes:annex-c-requirements:02-test-environment-requirements:env-002-configure-test-environment:env-002g-enforce-environmental-constraints#Statement&noheader&nofooter&noeditbtn}}
</code>

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