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| dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step [2026/08/05 10:28] – nick_dido | dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step [2026/08/05 10:45] (current) – nick_dido |
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| ===== Discussion ===== | ===== Discussion ===== |
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| A Sequence Step is an element of a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] that references a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] and defines occurrence-specific information and permitted progression. | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] is an element of a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] that references a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] and defines occurrence-specific information and permitted progression. |
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| A Test Sequence is a specialization of [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence|Sequence]]. Each Sequence Step identifies one position within the ordering or directed progression established by the Test Sequence. | A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] is a specialization of [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence|Sequence]]. Each [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] identifies one position within the ordering or directed progression established by the Test Sequence. |
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| A Sequence Step references one Sequenced Test Object, such as a: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] references one [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]], such as a: |
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| * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_set|Test Set]] | * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_set|Test Set]] |
| * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executable]] | * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_executable|Test Executable]] |
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| A Sequence Step can identify: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can identify: |
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| * Its identity | * Its identity |
| * Its name | * Its name |
| * Its description | * Its description |
| * Its position within the Test Sequence | * Its position within the [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] |
| * Its referenced Sequenced Test Object | * Its referenced [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] |
| * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_argument_value|Test Argument Values]] | * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_argument_value|Test Argument Values]] |
| * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:e:expected_result|Expected Results]] | * Its applicable [[dido:99_annexes:annex-b-terms-and-definitions:e:expected_result|Expected Results]] |
| * Its completion condition | * Its completion condition |
| * Its failure condition | * Its failure condition |
| * Its timeout | * Its [[dido:99_annexes:annex-b-terms-and-definitions:t:timeout|Timeout]] |
| * Its permitted following Sequence Steps | * Its permitted following [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] |
| * Its progression conditions | * Its progression conditions |
| * Its alternative progression | * Its alternative progression |
| * Its [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] | * Its [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] |
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| A Sequence Step can supply occurrence-specific Test Argument Values to the referenced Sequenced Test Object. | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can supply occurrence-specific Test Argument Values to the referenced [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]. |
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| A Sequence Step can also identify one or more permitted following Sequence Steps. Progression can depend on: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can also identify one or more permitted following [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]]. Progression can depend on: |
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| * Completion of the current Sequence Step | * Completion of the current [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] |
| * A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] | * A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] |
| * A [[dido:99_annexes:annex-b-terms-and-definitions:v:verdict|Verdict]] | * A [[dido:99_annexes:annex-b-terms-and-definitions:v:verdict|Verdict]] |
| * An observed event | * An observed event |
| * A state | * A state |
| * A timeout | * A [[dido:99_annexes:annex-b-terms-and-definitions:t:timeout|Timeout]] |
| * An error | * An error |
| * Another defined progression condition | * Another defined progression condition |
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| The Sequence Step defines permitted progression. The applicable [[dido:99_annexes:annex-b-terms-and-definitions:e:execution_path|Execution Path]] identifies the progression that actually occurs during Test Execution. | The [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] defines permitted progression. The applicable [[dido:99_annexes:annex-b-terms-and-definitions:e:execution_path|Execution Path]] identifies the progression that actually occurs during [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]]. |
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| ===== Definition ===== | ===== Definition ===== |
| This definition preserves those characteristics while: | This definition preserves those characteristics while: |
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| * Defining Sequence Step as an element of a Test Sequence | * Defining [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] as an element of a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] |
| * Relating Test Sequence to the general concept of Sequence | * Relating [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] to the general concept of [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence|Sequence]] |
| * Separating permitted progression from the Execution Path that actually occurs | * Separating permitted progression from the [[dido:99_annexes:annex-b-terms-and-definitions:e:execution_path|Execution Path]] that actually occurs |
| * Remaining independent of a particular graph-storage or implementation technology | * Remaining independent of a particular graph-storage or implementation technology |
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| ===== Note ===== | ===== Note ===== |
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| A Sequence Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence|Sequence]]: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] differs from a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence|Sequence]]: |
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| * A Sequence defines an ordered or directed arrangement of elements and the progression relationships among them | * A Sequence defines an ordered or directed arrangement of elements and the progression relationships among them |
| * A Sequence Step is one element within a Test Sequence | * A Sequence Step is one element within a Test Sequence |
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| A Sequence Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]: |
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| * A Test Sequence defines the overall ordering and permitted progression | * A Test Sequence defines the overall ordering and permitted progression |
| * A Sequence Step identifies one position and defined occurrence within that progression | * A Sequence Step identifies one position and defined occurrence within that progression |
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| A Sequence Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]]: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] differs from a [[dido:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]]: |
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| * A Test Step specifies a reusable test action or [[dido:99_annexes:annex-b-terms-and-definitions:v:validation|Validation]] | * A Test Step specifies a reusable test action or [[dido:99_annexes:annex-b-terms-and-definitions:v:validation|Validation]] |
| * A Sequence Step identifies an occurrence of a Sequenced Test Object within a Test Sequence | * A Sequence Step identifies an occurrence of a Sequenced Test Object within a Test Sequence |
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| A Sequence Step can reference a Test Step, but the Sequence Step and Test Step remain separate TestIF objects. | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can reference a Test Step, but the Sequence Step and Test Step remain separate TestIF objects. |
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| The same Test Step can occur at multiple positions within one Test Sequence. Each occurrence uses a separate Sequence Step. | The same Test Step can occur at multiple positions within one [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]]. Each occurrence uses a separate [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]]. |
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| A Sequence Step differs from a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] differs from a [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]: |
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| * A Sequenced Test Object defines reusable test content | * A Sequenced Test Object defines reusable test content |
| * A Sequence Step identifies how that content participates at one position within a Test Sequence | * A Sequence Step identifies how that content participates at one position within a Test Sequence |
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| The same Sequenced Test Object can participate in: | The same [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] can participate in: |
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| * Multiple Test Sequences | * Multiple [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequences]] |
| * Multiple positions within one Test Sequence | * Multiple positions within one Test Sequence |
| * Multiple branches within one Test Sequence | * Multiple branches within one Test Sequence |
| * Multiple [[dido:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Runs]] | * Multiple [[dido:99_annexes:annex-b-terms-and-definitions:t:test_run|Test Runs]] |
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| Each Sequence Step can provide different: | Each [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can provide different: |
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| * Test Argument Values | * Test Argument Values |
| * Other occurrence-specific information | * Other occurrence-specific information |
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| A Sequence Step does not copy or redefine the referenced Sequenced Test Object. It supplies or references the information needed to use that object at a particular position. | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] does not copy or redefine the referenced [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]]. It supplies or references the information needed to use that object at a particular position. |
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| A Sequence Step differs from an [[dido:99_annexes:annex-b-terms-and-definitions:e:execution_path|Execution Path]]: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] differs from an [[dido:99_annexes:annex-b-terms-and-definitions:e:execution_path|Execution Path]]: |
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| * A Sequence Step defines a potential occurrence and permitted progression within a Test Sequence | * A Sequence Step defines a potential occurrence and permitted progression within a Test Sequence |
| * An Execution Path identifies which Sequence Steps occurred and how progression actually proceeded during Test Execution | * An Execution Path identifies which Sequence Steps occurred and how progression actually proceeded during Test Execution |
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| A Sequence Step can remain unperformed when: | A [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] can remain unperformed when: |
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| * Test Execution follows another conditional branch | * [[dido:99_annexes:annex-b-terms-and-definitions:t:test_execution|Test Execution]] follows another conditional branch |
| * A preceding Sequence Step fails | * A preceding Sequence Step fails |
| * A timeout causes error-handling progression | * A [[dido:99_annexes:annex-b-terms-and-definitions:t:timeout|Timeout]] causes error-handling progression |
| * Test Execution terminates before reaching the Sequence Step | * Test Execution terminates before reaching the Sequence Step |
| * An authorized Actor cancels the Test Run | * An authorized [[dido:99_annexes:annex-b-terms-and-definitions:a:actor|Actor]] cancels the Test Run |
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| Multiple initial Sequence Steps can define parallel starting paths. | Multiple initial [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] can define parallel starting paths. |
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| Multiple following Sequence Steps can define: | Multiple following [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] can define: |
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| * Parallel progression | * Parallel progression |
| * Error-handling progression | * Error-handling progression |
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| The Test Sequence provides sufficient progression information to distinguish parallel progression from conditional or alternative progression. | The [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] provides sufficient progression information to distinguish parallel progression from conditional or alternative progression. |
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| A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] can reference both: | A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_result|Test Result]] can reference both: |
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| * The Sequenced Test Object whose performance produced the outcome | * The [[dido:99_annexes:annex-b-terms-and-definitions:s:sequenced_test_object|Sequenced Test Object]] whose performance produced the outcome |
| * The Sequence Step that identifies the particular occurrence of that Sequenced Test Object | * The [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] that identifies the particular occurrence of that Sequenced Test Object |
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| This dual reference distinguishes Test Results produced by separate occurrences of the same Sequenced Test Object. | This dual reference distinguishes Test Results produced by separate occurrences of the same Sequenced Test Object. |
| A reusable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]] submits a proposed transaction to a [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]]. | A reusable [[dido:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]] submits a proposed transaction to a [[dido:99_annexes:annex-b-terms-and-definitions:n:node|Node]]. |
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| A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] contains three Sequence Steps that reference the same Test Step: | A [[dido:99_annexes:annex-b-terms-and-definitions:t:test_sequence|Test Sequence]] contains three [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] that reference the same Test Step: |
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| * Sequence Step ''SS-01'' supplies the [[dido:99_annexes:annex-b-terms-and-definitions:e:endpoint|Endpoint]] and identity of Node A | * Sequence Step ''SS-01'' supplies the [[dido:99_annexes:annex-b-terms-and-definitions:e:endpoint|Endpoint]] and identity of Node A |
| * Sequence Step ''SS-03'' supplies the Endpoint and identity of Node C | * Sequence Step ''SS-03'' supplies the Endpoint and identity of Node C |
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| Each Sequence Step supplies occurrence-specific [[dido:99_annexes:annex-b-terms-and-definitions:t:test_argument_value|Test Argument Values]] while reusing the same Test Step. | Each [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Step]] supplies occurrence-specific [[dido:99_annexes:annex-b-terms-and-definitions:t:test_argument_value|Test Argument Values]] while reusing the same Test Step. |
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| 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: | 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 supporting [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] | * The supporting [[dido:99_annexes:annex-b-terms-and-definitions:e:evidence|Evidence]] |
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| Although all three Sequence Steps reference the same Test Step, each Test Result remains traceable to the particular Node and Sequence Step that produced it. | Although all three [[dido:99_annexes:annex-b-terms-and-definitions:s:sequence_step|Sequence Steps]] reference the same [[dido:99_annexes:annex-b-terms-and-definitions:t:test_step|Test Step]], each Test Result remains traceable to the particular Node and Sequence Step that produced it. |
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