====== ENV-004b — Control Baselines and Configurations ======

[[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-01-test-environment-requirements:env-004-provide-deterministic-test-environment:start|Go to ENV-004 — Provide Deterministic Test Environment]]

===== Statement =====

For each [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]], the [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] SHALL apply and maintain the [[dido:99_annexes:annex-b-terms-and-definitions:b:baseline|Baselines]] and [[dido:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]] values specified by the applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]].

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

  * [[dido:03-dido-te:99-annexes:annex-c-requirements:03-functional-requirements:03-01-test-environment-requirements:env-004-provide-deterministic-test-environment:start|ENV-004 — Provide Deterministic Test Environment]]
  * [[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 =====

Baselines and Configuration values determine the composition and operating state of the [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]], participating [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Nodes]], [[dido:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Objects]], and supporting [[dido:99_annexes:annex-b-terms-and-definitions:t:test_resource|Test Resources]].

Uncontrolled changes to software versions, machine images, container images, dependencies, parameters, security settings, interfaces, or infrastructure characteristics introduce environmental variation into a Test Execution.

Applying the required Baselines and Configuration values before execution, maintaining them during execution, and detecting unauthorised changes preserve the conditions needed to interpret and compare Test Results.

A required change during Test Execution forms part of the Test Definition and receives explicit control and recording. An unintended or unauthorised change constitutes environmental variation.

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

  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]]
  * [[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:b:baseline|Baseline]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:configuration|Configuration]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:c:constraint|Constraint]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]]

===== Verification =====

Verification confirms that:

  * The applicable Test Definition identifies each required Baseline and Configuration value.
  * Each required Baseline and Configuration value has a unique identity and controlled version.
  * The DIDO-TE applies each required Baseline and Configuration value before Test Execution.
  * The applied Baselines and Configuration values correspond to the controlled descriptive information.
  * The DIDO-TE maintains the required Baselines and Configuration values throughout the period specified by the Test Definition.
  * The DIDO-TE detects an unintended or unauthorised change to an applied Baseline or Configuration value.
  * A change required by the Test Definition occurs at the specified event, sequence position, or time.
  * The DIDO-TE records the applied Baselines, Configuration values, authorised changes, detected deviations, and resulting states 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 Baseline and Configuration value, its controlled source, affected Test Environment element, Test Definition, Test Execution, and Test Results.
  * A missing, incorrect, uncontrolled, altered, unsupported, or untraceable Baseline or Configuration value constitutes nonconformance with this requirement.

Verification includes:

  * Inspection of the Baselines and Configuration values specified by the Test Definition
  * Inspection of Baseline and Configuration identities and versions
  * Comparison of the required and applied Baselines and Configuration values
  * Observation of Baseline and Configuration control during Test Execution
  * Observation of a change required by the Test Definition
  * Testing with an unintended or unauthorised Baseline or Configuration change
  * Confirmation that the DIDO-TE detects and records the change
  * Inspection of Baseline, Configuration, change, deviation, and resulting-state Evidence
  * Inspection of Traceability records connecting each Baseline and Configuration value to its source, affected element, Test Definition, Test Execution, and Test Results
  * Confirmation that an incorrect, uncontrolled, or untraceable Baseline or Configuration produces a nonconformance result

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

{{backlinks>.}}

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

  * Add links to the architecture sections governing Baseline management, Configuration management, change control, environmental monitoring, Evidence, and Traceability.

===== 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-004-provide-deterministic-test-environment:env-004b-control-baselines-and-configurations#Statement&noheader&nofooter&noeditbtn}}
</code>

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