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ETSI's Bug Tracker - TTCN-3 Change Requests
</div></td>
</tr>
<tr class="even">
<td colspan="6" class="form-title">View Issue Details</td>
</tr>
<tr class="odd">
<td colspan="6" class="print-spacer"><hr /></td>
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<tr class="even print-category">
<td class="print" width="16%">ID</td>
<td class="print" width="16%">Project</td>
<td class="print" width="16%">Category</td>
<td class="print" width="16%">View Status</td>
<td class="print" width="16%">Date Submitted</td>
<td class="print" width="16%">Last Update</td>
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<tr class="odd print">
<td class="print">0007981</td>
<td class="print">TTCN-3 Change Requests</td>
<td class="print">New Feature</td>
<td class="print">public</td>
<td class="print">09-09-2020 14:35</td>
<td class="print">08-11-2023 13:48</td>
</tr>
<tr class="even">
<td colspan="6" class="print-spacer"><hr /></td>
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<tr class="odd print">
<td class="print-category">Reporter</td>
<td class="print">Martti Käärik</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="even print">
<td class="print-category">Assigned To</td>
<td class="print">Jens Grabowski</td>
<td colspan="4" class="print"> </td>
</tr>
<tr class="odd print">
<td class="print-category">Priority</td>
<td class="print">high</td>
<td class="print-category">Severity</td>
<td class="print">major</td>
<td class="print-category">Reproducibility</td>
<td class="print">have not tried</td>
</tr>
<tr class="even print">
<td class="print-category">Status</td>
<td class="print">closed</td>
<td class="print-category">Resolution</td>
<td class="print">won't fix</td>
<td colspan="2" class="print"> </td>
</tr>
<tr class="odd print">
<td class="print-category">Platform</td>
<td class="print"></td>
<td class="print-category">OS</td>
<td class="print"></td>
<td class="print-category">OS Version</td>
<td class="print"></td>
</tr>
<tr class="even print">
<td class="print-category">Clause Reference(s)</td>
<td colspan="4" class="print">NA</td>
<td></td>
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<tr class="odd print">
<td class="print-category">For STF discussion</td>
<td colspan="4" class="print"></td>
<td></td>
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<td class="print-category">Source (company - Author)</td>
<td colspan="4" class="print">STF576</td>
<td></td>
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<td colspan="6" class="print-spacer"><hr /></td>
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<td class="print-category">Summary</td>
<td colspan="5" class="print">0007981: Support for REST APIs (HTTP)</td>
</tr>
<tr class="odd print">
<td class="print-category">Description</td>
<td colspan="5" class="print">ETSI CTI and MTS have been jointly working
on establishing unified methodology for specification and testing of
REST APIs. The activities have been carried out by STF576 (<a
href="https://portal.etsi.org/STF/STFs/STF-HomePages/STF576">https://portal.etsi.org/STF/STFs/STF-HomePages/STF576</a>
[<a href="https://portal.etsi.org/STF/STFs/STF-HomePages/STF576"
target="_blank">^</a>]) and resulted in an initial version of a guide
document: EG 203 647 (<a
href="https://portal.etsi.org/webapp/WorkProgram/Report_WorkItem.asp?WKI_ID=56708">https://portal.etsi.org/webapp/WorkProgram/Report_WorkItem.asp?WKI_ID=56708</a>
[<a
href="https://portal.etsi.org/webapp/WorkProgram/Report_WorkItem.asp?WKI_ID=56708"
target="_blank">^</a>]).<br />
<br />
STF576 has integrated several existing methodologies and languages
developed within MTS in the guide, to the extent that those are suitable
for REST APIs. This includes TTCN-3. However, to support standardized
specification and testing process, TTCN-3 should provide means for
describing REST API interface specific artifacts in test cases in tool
agnostic manner.<br />
<br />
Although there are several protocols that may be used for implementing
REST APIs, the initial effort has implicitly focused on HTTP.</td>
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<td class="print-category">Steps To Reproduce</td>
<td colspan="5" class="print"></td>
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<tr class="odd print">
<td class="print-category">Additional Information</td>
<td colspan="5" class="print">STF576 has no intention to dictate the
design of the new feature. However, example test suite is provided with
this request to better explain the requirements for the feature.<br />
<br />
To avoid confusion, please note that the example follows ES 203 119-6
(The Test Description Language (TDL); Part 6: Mapping to TTCN-3) with
regard to implementation of test behavior.<br />
<br />
The examples re available at <a
href="https://forge.etsi.org/rep/mts/eg-203647-restful-api-guide/tree/master/TC/Manual">https://forge.etsi.org/rep/mts/eg-203647-restful-api-guide/tree/master/TC/Manual</a>
[<a
href="https://forge.etsi.org/rep/mts/eg-203647-restful-api-guide/tree/master/TC/Manual"
target="_blank">^</a>]</td>
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<tr class="even print">
<td class="print-category">Tags</td>
<td colspan="5" class="print">No tags attached.</td>
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<tr class="odd print">
<td class="print-category">Relationships</td>
<td colspan="5" class="print"></td>
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<td class="print-category">Attached Files</td>
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<td colspan="6" class="print-spacer"><hr /></td>
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<tr class="even">
<td class="form-title">Issue History</td>
<td></td>
<td></td>
<td></td>
<td></td>
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<tr class="odd print-category">
<td class="row-category-history">Date Modified</td>
<td class="row-category-history">Username</td>
<td class="row-category-history">Field</td>
<td class="row-category-history">Change</td>
<td></td>
<td></td>
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<tr class="even print">
<td class="print">09-09-2020 14:35</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=821">Martti
Käärik</a></td>
<td class="print">New Issue</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">05-10-2020 08:18</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Assigned To</td>
<td class="print">=&gt; KristÃ³f Szabados</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">05-10-2020 08:18</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Status</td>
<td class="print">new =&gt; assigned</td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">07-10-2020 12:11</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=361">KristÃ³f
Szabados</a></td>
<td class="print">Note Added: 0015773</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">08-10-2020 12:40</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=361">KristÃ³f
Szabados</a></td>
<td class="print">Note Added: 0015779</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">11-12-2020 11:07</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Assigned To</td>
<td class="print">KristÃ³f Szabados =&gt; Jens Grabowski</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">07-12-2022 08:46</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0016365</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">08-11-2023 13:47</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0016554</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">08-11-2023 13:48</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Note Added: 0016555</td>
<td class="print"></td>
<td></td>
<td></td>
</tr>
<tr class="odd print">
<td class="print">08-11-2023 13:48</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Status</td>
<td class="print">assigned =&gt; closed</td>
<td></td>
<td></td>
</tr>
<tr class="even print">
<td class="print">08-11-2023 13:48</td>
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a></td>
<td class="print">Resolution</td>
<td class="print">open =&gt; won't fix</td>
<td></td>
<td></td>
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<td class="print">(0015773)</td>
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<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=361">KristÃ³f
Szabados</a>   </td>
</tr>
<tr class="odd">
<td class="print">07-10-2020 12:11   </td>
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<td class="print">I will try to contact Martti Käärik to better
understand the request.<br />
At thid point it is not clear if we should provide a extension
descriping how to work with HTTP (similar to the XML, JSON extensions),
or we should provide some generic types and templates, or something
else.</td>
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data-cellspacing="1">
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<td class="print">(0015779)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=361">KristÃ³f
Szabados</a>   </td>
</tr>
<tr class="odd">
<td class="print">08-10-2020 12:40   </td>
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<td class="print">Answer from Martti:<br />
"<br />
Yes, we are basically talking about a standardized mapping from TTCN-3
types/templates to HTTP requests/responses (as you describe). Including
a way to specify message bodies with some other (standardized) encoding
(such as JSON).<br />
<br />
With HTTP (and JSON) mapping, pretty much all of the OpenAPI
specification would be supported and no additional work would be
required, in my opinion.<br />
"<br />
<br />
So the task at hand is to create a new extension to the core language,
similar to ES 201 873-11 (Using JSON with TTCN-3) and ES 201 873-9
(Using XML schema with TTCN-3) for HTTP requests and responses.</td>
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<td colspan="2" class="print-spacer"><hr /></td>
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<td class="nopad" data-valign="top" width="20%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0016365)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">07-12-2022 08:46   </td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
<tbody>
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<td class="print">TTF dicussion: Input from Nokia is possible. Without
further input, the CR should be closed next year.</td>
</tr>
</tbody>
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</tr>
<tr class="even">
<td colspan="2" class="print-spacer"><hr /></td>
</tr>
<tr class="odd">
<td class="nopad" data-valign="top" width="20%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0016554)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">08-11-2023 13:47   </td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
<tbody>
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<td class="print">TTF discussion: No further input received. CR will be
closed.</td>
</tr>
</tbody>
</table></td>
</tr>
<tr class="even">
<td colspan="2" class="print-spacer"><hr /></td>
</tr>
<tr class="odd">
<td class="nopad" data-valign="top" width="20%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">(0016555)</td>
</tr>
<tr class="even">
<td class="print"><a
href="http://oldforge.etsi.org/mantis/view_user_page.php?id=82">Jens
Grabowski</a>   </td>
</tr>
<tr class="odd">
<td class="print">08-11-2023 13:48   </td>
</tr>
</tbody>
</table></td>
<td class="nopad" data-valign="top" width="85%"><table class="hide"
data-cellspacing="1">
<tbody>
<tr class="odd">
<td class="print">TTF discussion: No further input received. CR will be
closed.</td>
</tr>
</tbody>
</table></td>
</tr>
</tbody>
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