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public:99_annexes:annex-b-terms-and-definitions:t:test_item [2026/09/12 17:42] – removed - external edit (Unknown date) 127.0.0.1public:99_annexes:annex-b-terms-and-definitions:t:test_item [2026/09/12 17:43] (current) – ↷ Links adapted because of a move operation nick_dido
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 +====== Test Item ======
  
 +[[public:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]
 +
 +===== Discussion =====
 +
 +A Test Item is a [[public:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]] that identifies an entity within the scope of a [[public:99_annexes:annex-b-terms-and-definitions:t:test|Test]].
 +
 +A Test Item can identify:
 +
 +  * The complete [[public:99_annexes:annex-b-terms-and-definitions:s:system_under_test|System Under Test]]
 +  * A component of the System Under Test
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:d:distributed_system|Distributed System]]
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:n:node|Node]]
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:n:node_set|Node Set]]
 +  * A service
 +  * An interface
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:c:communication_endpoint|Communication Endpoint]]
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:d:data_object|Data Object]]
 +  * An [[public:99_annexes:annex-b-terms-and-definitions:i:immutable_data_object|Immutable Data Object]]
 +  * A [[public:99_annexes:annex-b-terms-and-definitions:d:dido|Distributed Immutable Data Object (DIDO)]]
 +  * A configuration
 +  * A communication path
 +  * A supporting test component
 +  * An external system
 +  * Another entity relevant to the Test
 +
 +A Test Item identifies what participates in or affects the Test. The applicable [[public:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]] determines whether the Test Item constitutes the subject being evaluated, a supporting participant, a test instrument, or another relevant entity.
 +
 +A Test Item can contain or reference other Test Items. This permits a Test Item to represent a composite entity such as a Distributed System, Node Set, application, subsystem, or multi-component service.
 +
 +A Test Item can identify:
 +
 +  * Its identity
 +  * Its type
 +  * Its version
 +  * Its configuration
 +  * Its role in the Test
 +  * Its relationship to other Test Items
 +  * Its relationship to the System Under Test
 +  * Its applicable constraints
 +  * Its applicable [[public:99_annexes:annex-b-terms-and-definitions:g:governance_policy|Governance Policies]]
 +  * Its [[public:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]]
 +  * Its [[public:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]
 +
 +A Test Item can participate in a [[public:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]] associated with a [[public:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]].
 +
 +The Sequenced Test Object can identify the Test Items relevant to a:
 +
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_set|Test Set]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executable]]
 +
 +A [[public:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Run]] records the execution context associated with the Test Items used during [[public:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]].
 +
 +A [[public:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] can reference the Test Item whose behavior, state, value, or outcome contributed to the recorded result.
 +
 +===== Definition =====
 +
 +//[[public:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]] that identifies an entity within the scope of a [[public:99_annexes:annex-b-terms-and-definitions:t:test|Test]]//
 +
 +===== Source =====
 +
 +Adapted from:
 +
 +  * [[https://www.omg.org/spec/TestIF/1.0/Beta3/PDF|OMG Test Information Interchange Format (TestIF), Version 1.0 Beta 3, Section 7.3.8, TestItem]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]
 +  * [[public:99_annexes:annex-b-terms-and-definitions:d:dido-te|Distributed Immutable Data Object Test Environment (DIDO-TE)]]
 +  * DIDO Reference Implementation Conceptual Model
 +  * DIDO-TE draft Requirements Register
 +
 +OMG TestIF defines TestItem as an entity within the scope of a Test and permits Test Items to describe the System Under Test and related objects. This definition preserves that scope while distinguishing a Test Item from the Test Objects that specify execution or record results.
 +
 +===== Note =====
 +
 +A Test Item is not necessarily the [[public:99_annexes:annex-b-terms-and-definitions:s:system_under_test|System Under Test]].
 +
 +The System Under Test is the Test Item, or collection of Test Items, whose behavior, properties, state, or outcomes the [[public:99_annexes:annex-b-terms-and-definitions:t:test|Test]] evaluates.
 +
 +Supporting Test Items can include:
 +
 +  * Test drivers
 +  * Test harnesses
 +  * Simulators
 +  * Emulators
 +  * Monitoring components
 +  * External services
 +  * Data sources
 +  * Time sources
 +  * Communication components
 +  * Evidence-collection components
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environment]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Test Environment identifies the configured combination of Test Items, resources, conditions, and controls within which the Test is executed
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Sequenced Test Object identifies test information that can participate in a [[public:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_set|Test Set]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Test Set groups Test Sets, Test Cases, and related Test Objects for a defined testing purpose
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Test Case identifies the steps and [[public:99_annexes:annex-b-terms-and-definitions:e:expected_result|Expected Results]] used to verify something
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Test Step identifies an action or validation performed as part of a Test Sequence
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executable]]:
 +
 +  * A Test Item identifies an entity within the scope of the Test
 +  * A Test Executable identifies low-level procedural or executable information used for automated Test Execution
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]]:
 +
 +  * A Test Item identifies an entity participating in or relevant to the Test
 +  * A Test Result records an outcome produced during Test Execution
 +
 +A Test Item differs from a [[public:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Run]]:
 +
 +  * A Test Item identifies an entity participating in or relevant to the Test
 +  * A Test Run records an identified Test Execution, its execution context, and its Test Results
 +
 +The same entity can participate as a Test Item in multiple Tests. Each Test Definition identifies the role and applicable configuration of the Test Item for that Test.
 +
 +===== Example =====
 +
 +A [[public:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] Test evaluates a changed DIDO Node within a five-Node Distributed System.
 +
 +The Test Items include:
 +
 +  * The changed [[public:99_annexes:annex-b-terms-and-definitions:n:node|Node]] as part of the System Under Test
 +  * Four validated reference Nodes as other parts of the System Under Test
 +  * The [[public:99_annexes:annex-b-terms-and-definitions:d:dido|DIDO]] whose state transitions the Test evaluates
 +  * A transaction generator as a supporting Test Item
 +  * A network-condition controller as a supporting Test Item
 +  * An [[public:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] collector as a supporting Test Item
 +
 +The [[public:99_annexes:annex-b-terms-and-definitions:t:test_definition|Test Definition]] identifies each Test Item and its role.
 +
 +The applicable [[public:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]], [[public:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]], [[public:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Steps]], and [[public:99_annexes:annex-b-terms-and-definitions:e:expected_result|Expected Results]] specify how DIDO-TE evaluates the Test Items.
 +
 +The resulting [[public:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Run]] and [[public:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Results]] preserve the Test Item identities, versions, configurations, and roles applicable to the execution.
 +
 +----
 +
 +<WRAP centeralign>
 +© 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc.
 +</WRAP>