“minimal conformance level” for TOSCA template parsing

All:

Here is the link for the “minimal conformance level” for TOSCA template parsing:

https://github.com/oasis-open/tosca-test-assertions/blob/master/Samples/basic-template/basic-template.yml

We appreciate some comments on it.

Although this is just for a Parser implementation, it is desirable that the minimal level also matches the minimal conformance level for an Orchestrator implementation (to come later). To keep in mind.

The minimal template is also the starting point to test parser error generation.

Introduction of errors in the template will be indicated by “error annotations” (YAML comments that will refer to Test Assertions).

Errors annotations can be of following types:

## errortest-substitution: <test assertion>

## errortest-removal: <test assertion>

## errortest-duplication: <test assertion>

## errortest-insertion: <test assertion>

These mean that the following element or line in the template definition, after some interpretation (manual or automatic) will be affected to create an error (substituted, or removed, or duplicated, etc.) .

The error annotation also refers to the test assertion that required raising an error.

See example below:

…

capability_types:

## errortest-duplication: TA-ERR-definition-duplication

tosca.capabilities.samples.basic.SampleEndpoint:

derived_from: tosca.capabilities.Endpoint

description: A sample endpoint used to connect to compatible sample nodes

…

Means that the template will be altered - after some interpretation – so that it duplicates the “tosca.capabilities.samples.basic.SampleEndpoint:” definition following the annotation. The test assertion that requires to raise an error in such a case is derived from section 3.1.3:

Id: TA-ERR-definition-duplication

NormativeSource: Section 3.1.3

Var: defsection in { Repositories, Data Types, Node Types, Relationship Types, Capability Types, Artifact Types, Interface Types }

Prerequisite:

Description: Parsing a document with twice the first definition under defsection MUST fail.

Target: a tosca template that defines twice the first definition under defsection

Predicate: When parsing the Target, a duplication error is raised.

Prescription level: mandatory

Conformance target: Parser-Validator

A complete annotation of the minimal template, for all possible error generations, is in progress.

But the most important for now, is a consensus on that minimal conformance template.

Thanks,

Jacques D. and Luc B.

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