Test Step [Dido Solutions, Inc Wiki]

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====== Test Step ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]

===== Discussion =====

A Test Step specifies one action or validation performed as part of a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]].

As a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]], a Test Step can contain or reference a Test Sequence that decomposes the Test Step into subordinate Test Steps or [[dido:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executables]].

A Test Step can specify an action that:

  * Creates a [[dido:99_annexes:annex-b-terms-and-definitions:d:data_object|Data Object]]
  * Submits a transaction
  * Sends or receives a message
  * Invokes an operation
  * Changes a configuration
  * Changes a network condition
  * Changes a state
  * Advances or modifies time
  * Starts or stops a [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]]
  * Introduces a fault
  * Retrieves information
  * Captures [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]]

A Test Step can specify a validation that:

  * Observes a value
  * Observes a state
  * Observes a state transition
  * Evaluates a condition
  * Compares an observed value with an [[dido:99_annexes:annex-b-terms-and-definitions:e:expected_result|Expected Result]]
  * Confirms an event
  * Confirms the absence of an event
  * Confirms satisfaction of an evaluation criterion
  * Produces a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]]

A Test Step can identify:

  * Its identity
  * Its name
  * Its description
  * Its version
  * Its action or validation
  * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_item|Test Items]]
  * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_environment|Test Environments]]
  * Its Test Arguments
  * Its Test Argument Values
  * Its Expected Results
  * Its completion condition
  * Its failure condition
  * Its timeout
  * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:g:governance_policy|Governance Policies]]
  * Its [[dido:99_annexes:annex-b-terms-and-definitions:p:provenance|Provenance]]
  * Its [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]]

A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] identifies the occurrence of a Test Step at a particular position in a Test Sequence. The same Test Step can participate in multiple Test Sequences or occur more than once within the same Test Sequence.

===== Definition =====

//[[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] that specifies one action or validation performed as part of a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]//

===== 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 7.3.16, TestStep]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]
  * [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]]
  * DIDO Reference Implementation Conceptual Model
  * DIDO-TE draft Requirements Register

OMG TestIF defines TestStep as an action or validation performed as part of a Test Sequence. TestIF permits Test Steps to contain other Test Steps so that a Test Step can decompose a larger action or validation.

===== Note =====

Every Test Step is a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] and therefore a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_object|Test Object]].

A Test Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]]:

  * A Test Step specifies a reusable action or validation
  * A Sequence Step identifies an occurrence of a Sequenced Test Object at a position within a Test Sequence

A Test Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]]:

  * A Test Step specifies one action or validation
  * A Test Case specifies the Test Steps and Expected Results used to verify a defined subject

A Test Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executable]]:

  * A Test Step specifies an action or validation independently of a particular execution mechanism
  * A Test Executable contains or references low-level procedural or executable information used to automate an action or validation

A Test Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]]:

  * A Test Step specifies the action or validation to perform
  * A Test Result records the outcome produced by performing the Test Step

A Test Step can have one or more Expected Results when the action or validation produces or evaluates multiple independently identified outcomes.

A Test Step can be performed manually or automatically. The Test Step definition remains independent of the execution mechanism.

A change to the action, validation, Expected Results, completion condition, failure condition, or timeout can create a new Test Step version when the change affects [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]], reproducibility, comparison, or validation.

===== Example =====

A [[dido:99_annexes:annex-b-terms-and-definitions:d:dido-te|DIDO-TE]] [[dido:99_annexes:annex-b-terms-and-definitions:t:test_case|Test Case]] verifies a proposed DIDO state transition.

One Test Step submits a proposed transaction to a participating [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]].

Another Test Step observes the resulting [[dido:99_annexes:annex-b-terms-and-definitions:d:dido|DIDO]] state and compares it with the applicable Expected Result.

The [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] uses separate [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] to identify the order in which the two Test Steps occur.

During [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]], the [[dido:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Run]] records the [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] associated with each executed Test Step.

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