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Harden settler runtime and scaffold tests

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*
# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
*.lcov
# nyc test coverage
.nyc_output
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bower_components
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# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release
# Dependency directories
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# Snowpack dependency directory (https://snowpack.dev/)
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# TypeScript cache
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# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
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*.tgz
# Yarn Integrity file
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# dotenv environment variable files
.env
.env.development.local
.env.test.local
.env.production.local
.env.local
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.cache
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# public
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# vitepress build output
**/.vitepress/dist
# vitepress cache directory
**/.vitepress/cache
# Docusaurus cache and generated files
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.serverless/
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.fusebox/
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.yarn/cache
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.pnp.*
# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
.pnpm-debug.log*
# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
*.lcov
# nyc test coverage
.nyc_output
# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# Bower dependency directory (https://bower.io/)
bower_components
# node-waf configuration
.lock-wscript
# Compiled binary addons (https://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules/
jspm_packages/
# Snowpack dependency directory (https://snowpack.dev/)
web_modules/
# TypeScript cache
*.tsbuildinfo
# Optional npm cache directory
.npm
# Optional eslint cache
.eslintcache
# Optional stylelint cache
.stylelintcache
# Microbundle cache
.rpt2_cache/
.rts2_cache_cjs/
.rts2_cache_es/
.rts2_cache_umd/
# Optional REPL history
.node_repl_history
# Output of 'npm pack'
*.tgz
# Yarn Integrity file
.yarn-integrity
# dotenv environment variable files
.env
.env.development.local
.env.test.local
.env.production.local
.env.local
# parcel-bundler cache (https://parceljs.org/)
.cache
.parcel-cache
# Next.js build output
.next
out
# Nuxt.js build / generate output
.nuxt
dist
# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and not Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
# public
# vuepress build output
.vuepress/dist
# vuepress v2.x temp and cache directory
.temp
.cache
# vitepress build output
**/.vitepress/dist
# vitepress cache directory
**/.vitepress/cache
# Docusaurus cache and generated files
.docusaurus
# Serverless directories
.serverless/
# FuseBox cache
.fusebox/
# DynamoDB Local files
.dynamodb/
# TernJS port file
.tern-port
# Stores VSCode versions used for testing VSCode extensions
.vscode-test
# yarn v2
.yarn/cache
.yarn/unplugged
.yarn/build-state.yml
.yarn/install-state.gz
.pnp.*

380
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@@ -1,190 +1,190 @@
EUROPEAN UNION PUBLIC LICENCE v. 1.2
EUPL © the European Union 2007, 2016
This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined below) which is provided under the
terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
use is covered by a right of the copyright holder of the Work).
The Work is provided under the terms of this Licence when the Licensor (as defined below) has placed the following
notice immediately following the copyright notice for the Work:
Licensed under the EUPL
or has expressed by any other means his willingness to license under the EUPL.
1.Definitions
In this Licence, the following terms have the following meaning:
— ‘The Licence’:this Licence.
— ‘The Original Work’:the work or software distributed or communicated by the Licensor under this Licence, available
as Source Code and also as Executable Code as the case may be.
— ‘Derivative Works’:the works or software that could be created by the Licensee, based upon the Original Work or
modifications thereof. This Licence does not define the extent of modification or dependence on the Original Work
required in order to classify a work as a Derivative Work; this extent is determined by copyright law applicable in
the country mentioned in Article 15.
— ‘The Work’:the Original Work or its Derivative Works.
— ‘The Source Code’:the human-readable form of the Work which is the most convenient for people to study and
modify.
— ‘The Executable Code’:any code which has generally been compiled and which is meant to be interpreted by
a computer as a program.
— ‘The Licensor’:the natural or legal person that distributes or communicates the Work under the Licence.
— ‘Contributor(s)’:any natural or legal person who modifies the Work under the Licence, or otherwise contributes to
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2.Scope of the rights granted by the Licence
The Licensor hereby grants You a worldwide, royalty-free, non-exclusive, sublicensable licence to do the following, for
the duration of copyright vested in the Original Work:
— use the Work in any circumstance and for all usage,
— reproduce the Work,
— modify the Work, and make Derivative Works based upon the Work,
— communicate to the public, including the right to make available or display the Work or copies thereof to the public
and perform publicly, as the case may be, the Work,
— distribute the Work or copies thereof,
— lend and rent the Work or copies thereof,
— sublicense rights in the Work or copies thereof.
Those rights can be exercised on any media, supports and formats, whether now known or later invented, as far as the
applicable law permits so.
In the countries where moral rights apply, the Licensor waives his right to exercise his moral right to the extent allowed
by law in order to make effective the licence of the economic rights here above listed.
The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to any patents held by the Licensor, to the
extent necessary to make use of the rights granted on the Work under this Licence.
3.Communication of the Source Code
The Licensor may provide the Work either in its Source Code form, or as Executable Code. If the Work is provided as
Executable Code, the Licensor provides in addition a machine-readable copy of the Source Code of the Work along with
each copy of the Work that the Licensor distributes or indicates, in a notice following the copyright notice attached to
the Work, a repository where the Source Code is easily and freely accessible for as long as the Licensor continues to
distribute or communicate the Work.
4.Limitations on copyright
Nothing in this Licence is intended to deprive the Licensee of the benefits from any exception or limitation to the
exclusive rights of the rights owners in the Work, of the exhaustion of those rights or of other applicable limitations
thereto.
5.Obligations of the Licensee
The grant of the rights mentioned above is subject to some restrictions and obligations imposed on the Licensee. Those
obligations are the following:
Attribution right: The Licensee shall keep intact all copyright, patent or trademarks notices and all notices that refer to
the Licence and to the disclaimer of warranties. The Licensee must include a copy of such notices and a copy of the
Licence with every copy of the Work he/she distributes or communicates. The Licensee must cause any Derivative Work
to carry prominent notices stating that the Work has been modified and the date of modification.
Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
Distribution or Communication will be done under the terms of this Licence or of a later version of this Licence unless
the Original Work is expressly distributed only under this version of the Licence — for example by communicating
‘EUPL v. 1.2 only’. The Licensee (becoming Licensor) cannot offer or impose any additional terms or conditions on the
Work or Derivative Work that alter or restrict the terms of the Licence.
Compatibility clause: If the Licensee Distributes or Communicates Derivative Works or copies thereof based upon both
the Work and another work licensed under a Compatible Licence, this Distribution or Communication can be done
under the terms of this Compatible Licence. For the sake of this clause, ‘Compatible Licence’ refers to the licences listed
in the appendix attached to this Licence. Should the Licensee's obligations under the Compatible Licence conflict with
his/her obligations under this Licence, the obligations of the Compatible Licence shall prevail.
Provision of Source Code: When distributing or communicating copies of the Work, the Licensee will provide
a machine-readable copy of the Source Code or indicate a repository where this Source will be easily and freely available
for as long as the Licensee continues to distribute or communicate the Work.
Legal Protection: This Licence does not grant permission to use the trade names, trademarks, service marks, or names
of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and
reproducing the content of the copyright notice.
6.Chain of Authorship
The original Licensor warrants that the copyright in the Original Work granted hereunder is owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each Contributor warrants that the copyright in the modifications he/she brings to the Work are owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each time You accept the Licence, the original Licensor and subsequent Contributors grant You a licence to their contributions
to the Work, under the terms of this Licence.
7.Disclaimer of Warranty
The Work is a work in progress, which is continuously improved by numerous Contributors. It is not a finished work
and may therefore contain defects or ‘bugs’ inherent to this type of development.
For the above reason, the Work is provided under the Licence on an ‘as is’ basis and without warranties of any kind
concerning the Work, including without limitation merchantability, fitness for a particular purpose, absence of defects or
errors, accuracy, non-infringement of intellectual property rights other than copyright as stated in Article 6 of this
Licence.
This disclaimer of warranty is an essential part of the Licence and a condition for the grant of any rights to the Work.
8.Disclaimer of Liability
Except in the cases of wilful misconduct or damages directly caused to natural persons, the Licensor will in no event be
liable for any direct or indirect, material or moral, damages of any kind, arising out of the Licence or of the use of the
Work, including without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, loss
of data or any commercial damage, even if the Licensor has been advised of the possibility of such damage. However,
the Licensor will be liable under statutory product liability laws as far such laws apply to the Work.
9.Additional agreements
While distributing the Work, You may choose to conclude an additional agreement, defining obligations or services
consistent with this Licence. However, if accepting obligations, You may act only on your own behalf and on your sole
responsibility, not on behalf of the original Licensor or any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against such Contributor by
the fact You have accepted any warranty or additional liability.
10.Acceptance of the Licence
The provisions of this Licence can be accepted by clicking on an icon ‘I agree’ placed under the bottom of a window
displaying the text of this Licence or by affirming consent in any other similar way, in accordance with the rules of
applicable law. Clicking on that icon indicates your clear and irrevocable acceptance of this Licence and all of its terms
and conditions.
Similarly, you irrevocably accept this Licence and all of its terms and conditions by exercising any rights granted to You
by Article 2 of this Licence, such as the use of the Work, the creation by You of a Derivative Work or the Distribution
or Communication by You of the Work or copies thereof.
11.Information to the public
In case of any Distribution or Communication of the Work by means of electronic communication by You (for example,
by offering to download the Work from a remote location) the distribution channel or media (for example, a website)
must at least provide to the public the information requested by the applicable law regarding the Licensor, the Licence
and the way it may be accessible, concluded, stored and reproduced by the Licensee.
12.Termination of the Licence
The Licence and the rights granted hereunder will terminate automatically upon any breach by the Licensee of the terms
of the Licence.
Such a termination will not terminate the licences of any person who has received the Work from the Licensee under
the Licence, provided such persons remain in full compliance with the Licence.
13.Miscellaneous
Without prejudice of Article 9 above, the Licence represents the complete agreement between the Parties as to the
Work.
If any provision of the Licence is invalid or unenforceable under applicable law, this will not affect the validity or
enforceability of the Licence as a whole. Such provision will be construed or reformed so as necessary to make it valid
and enforceable.
The European Commission may publish other linguistic versions or new versions of this Licence or updated versions of
the Appendix, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence.
New versions of the Licence will be published with a unique version number.
All linguistic versions of this Licence, approved by the European Commission, have identical value. Parties can take
advantage of the linguistic version of their choice.
14.Jurisdiction
Without prejudice to specific agreement between parties,
— any litigation resulting from the interpretation of this License, arising between the European Union institutions,
bodies, offices or agencies, as a Licensor, and any Licensee, will be subject to the jurisdiction of the Court of Justice
of the European Union, as laid down in article 272 of the Treaty on the Functioning of the European Union,
— any litigation arising between other parties and resulting from the interpretation of this License, will be subject to
the exclusive jurisdiction of the competent court where the Licensor resides or conducts its primary business.
15.Applicable Law
Without prejudice to specific agreement between parties,
— this Licence shall be governed by the law of the European Union Member State where the Licensor has his seat,
resides or has his registered office,
— this licence shall be governed by Belgian law if the Licensor has no seat, residence or registered office inside
a European Union Member State.
Appendix
‘Compatible Licences’ according to Article 5 EUPL are:
— GNU General Public License (GPL) v. 2, v. 3
— GNU Affero General Public License (AGPL) v. 3
— Open Software License (OSL) v. 2.1, v. 3.0
— Eclipse Public License (EPL) v. 1.0
— CeCILL v. 2.0, v. 2.1
— Mozilla Public Licence (MPL) v. 2
— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
— European Union Public Licence (EUPL) v. 1.1, v. 1.2
— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
The European Commission may update this Appendix to later versions of the above licences without producing
a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
covered Source Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new EUPL version.
EUROPEAN UNION PUBLIC LICENCE v. 1.2
EUPL © the European Union 2007, 2016
This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined below) which is provided under the
terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
use is covered by a right of the copyright holder of the Work).
The Work is provided under the terms of this Licence when the Licensor (as defined below) has placed the following
notice immediately following the copyright notice for the Work:
Licensed under the EUPL
or has expressed by any other means his willingness to license under the EUPL.
1.Definitions
In this Licence, the following terms have the following meaning:
— ‘The Licence’:this Licence.
— ‘The Original Work’:the work or software distributed or communicated by the Licensor under this Licence, available
as Source Code and also as Executable Code as the case may be.
— ‘Derivative Works’:the works or software that could be created by the Licensee, based upon the Original Work or
modifications thereof. This Licence does not define the extent of modification or dependence on the Original Work
required in order to classify a work as a Derivative Work; this extent is determined by copyright law applicable in
the country mentioned in Article 15.
— ‘The Work’:the Original Work or its Derivative Works.
— ‘The Source Code’:the human-readable form of the Work which is the most convenient for people to study and
modify.
— ‘The Executable Code’:any code which has generally been compiled and which is meant to be interpreted by
a computer as a program.
— ‘The Licensor’:the natural or legal person that distributes or communicates the Work under the Licence.
— ‘Contributor(s)’:any natural or legal person who modifies the Work under the Licence, or otherwise contributes to
the creation of a Derivative Work.
— ‘The Licensee’ or ‘You’:any natural or legal person who makes any usage of the Work under the terms of the
Licence.
— ‘Distribution’ or ‘Communication’:any act of selling, giving, lending, renting, distributing, communicating,
transmitting, or otherwise making available, online or offline, copies of the Work or providing access to its essential
functionalities at the disposal of any other natural or legal person.
2.Scope of the rights granted by the Licence
The Licensor hereby grants You a worldwide, royalty-free, non-exclusive, sublicensable licence to do the following, for
the duration of copyright vested in the Original Work:
— use the Work in any circumstance and for all usage,
— reproduce the Work,
— modify the Work, and make Derivative Works based upon the Work,
— communicate to the public, including the right to make available or display the Work or copies thereof to the public
and perform publicly, as the case may be, the Work,
— distribute the Work or copies thereof,
— lend and rent the Work or copies thereof,
— sublicense rights in the Work or copies thereof.
Those rights can be exercised on any media, supports and formats, whether now known or later invented, as far as the
applicable law permits so.
In the countries where moral rights apply, the Licensor waives his right to exercise his moral right to the extent allowed
by law in order to make effective the licence of the economic rights here above listed.
The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to any patents held by the Licensor, to the
extent necessary to make use of the rights granted on the Work under this Licence.
3.Communication of the Source Code
The Licensor may provide the Work either in its Source Code form, or as Executable Code. If the Work is provided as
Executable Code, the Licensor provides in addition a machine-readable copy of the Source Code of the Work along with
each copy of the Work that the Licensor distributes or indicates, in a notice following the copyright notice attached to
the Work, a repository where the Source Code is easily and freely accessible for as long as the Licensor continues to
distribute or communicate the Work.
4.Limitations on copyright
Nothing in this Licence is intended to deprive the Licensee of the benefits from any exception or limitation to the
exclusive rights of the rights owners in the Work, of the exhaustion of those rights or of other applicable limitations
thereto.
5.Obligations of the Licensee
The grant of the rights mentioned above is subject to some restrictions and obligations imposed on the Licensee. Those
obligations are the following:
Attribution right: The Licensee shall keep intact all copyright, patent or trademarks notices and all notices that refer to
the Licence and to the disclaimer of warranties. The Licensee must include a copy of such notices and a copy of the
Licence with every copy of the Work he/she distributes or communicates. The Licensee must cause any Derivative Work
to carry prominent notices stating that the Work has been modified and the date of modification.
Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
Distribution or Communication will be done under the terms of this Licence or of a later version of this Licence unless
the Original Work is expressly distributed only under this version of the Licence — for example by communicating
‘EUPL v. 1.2 only’. The Licensee (becoming Licensor) cannot offer or impose any additional terms or conditions on the
Work or Derivative Work that alter or restrict the terms of the Licence.
Compatibility clause: If the Licensee Distributes or Communicates Derivative Works or copies thereof based upon both
the Work and another work licensed under a Compatible Licence, this Distribution or Communication can be done
under the terms of this Compatible Licence. For the sake of this clause, ‘Compatible Licence’ refers to the licences listed
in the appendix attached to this Licence. Should the Licensee's obligations under the Compatible Licence conflict with
his/her obligations under this Licence, the obligations of the Compatible Licence shall prevail.
Provision of Source Code: When distributing or communicating copies of the Work, the Licensee will provide
a machine-readable copy of the Source Code or indicate a repository where this Source will be easily and freely available
for as long as the Licensee continues to distribute or communicate the Work.
Legal Protection: This Licence does not grant permission to use the trade names, trademarks, service marks, or names
of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and
reproducing the content of the copyright notice.
6.Chain of Authorship
The original Licensor warrants that the copyright in the Original Work granted hereunder is owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each Contributor warrants that the copyright in the modifications he/she brings to the Work are owned by him/her or
licensed to him/her and that he/she has the power and authority to grant the Licence.
Each time You accept the Licence, the original Licensor and subsequent Contributors grant You a licence to their contributions
to the Work, under the terms of this Licence.
7.Disclaimer of Warranty
The Work is a work in progress, which is continuously improved by numerous Contributors. It is not a finished work
and may therefore contain defects or ‘bugs’ inherent to this type of development.
For the above reason, the Work is provided under the Licence on an ‘as is’ basis and without warranties of any kind
concerning the Work, including without limitation merchantability, fitness for a particular purpose, absence of defects or
errors, accuracy, non-infringement of intellectual property rights other than copyright as stated in Article 6 of this
Licence.
This disclaimer of warranty is an essential part of the Licence and a condition for the grant of any rights to the Work.
8.Disclaimer of Liability
Except in the cases of wilful misconduct or damages directly caused to natural persons, the Licensor will in no event be
liable for any direct or indirect, material or moral, damages of any kind, arising out of the Licence or of the use of the
Work, including without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, loss
of data or any commercial damage, even if the Licensor has been advised of the possibility of such damage. However,
the Licensor will be liable under statutory product liability laws as far such laws apply to the Work.
9.Additional agreements
While distributing the Work, You may choose to conclude an additional agreement, defining obligations or services
consistent with this Licence. However, if accepting obligations, You may act only on your own behalf and on your sole
responsibility, not on behalf of the original Licensor or any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against such Contributor by
the fact You have accepted any warranty or additional liability.
10.Acceptance of the Licence
The provisions of this Licence can be accepted by clicking on an icon ‘I agree’ placed under the bottom of a window
displaying the text of this Licence or by affirming consent in any other similar way, in accordance with the rules of
applicable law. Clicking on that icon indicates your clear and irrevocable acceptance of this Licence and all of its terms
and conditions.
Similarly, you irrevocably accept this Licence and all of its terms and conditions by exercising any rights granted to You
by Article 2 of this Licence, such as the use of the Work, the creation by You of a Derivative Work or the Distribution
or Communication by You of the Work or copies thereof.
11.Information to the public
In case of any Distribution or Communication of the Work by means of electronic communication by You (for example,
by offering to download the Work from a remote location) the distribution channel or media (for example, a website)
must at least provide to the public the information requested by the applicable law regarding the Licensor, the Licence
and the way it may be accessible, concluded, stored and reproduced by the Licensee.
12.Termination of the Licence
The Licence and the rights granted hereunder will terminate automatically upon any breach by the Licensee of the terms
of the Licence.
Such a termination will not terminate the licences of any person who has received the Work from the Licensee under
the Licence, provided such persons remain in full compliance with the Licence.
13.Miscellaneous
Without prejudice of Article 9 above, the Licence represents the complete agreement between the Parties as to the
Work.
If any provision of the Licence is invalid or unenforceable under applicable law, this will not affect the validity or
enforceability of the Licence as a whole. Such provision will be construed or reformed so as necessary to make it valid
and enforceable.
The European Commission may publish other linguistic versions or new versions of this Licence or updated versions of
the Appendix, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence.
New versions of the Licence will be published with a unique version number.
All linguistic versions of this Licence, approved by the European Commission, have identical value. Parties can take
advantage of the linguistic version of their choice.
14.Jurisdiction
Without prejudice to specific agreement between parties,
— any litigation resulting from the interpretation of this License, arising between the European Union institutions,
bodies, offices or agencies, as a Licensor, and any Licensee, will be subject to the jurisdiction of the Court of Justice
of the European Union, as laid down in article 272 of the Treaty on the Functioning of the European Union,
— any litigation arising between other parties and resulting from the interpretation of this License, will be subject to
the exclusive jurisdiction of the competent court where the Licensor resides or conducts its primary business.
15.Applicable Law
Without prejudice to specific agreement between parties,
— this Licence shall be governed by the law of the European Union Member State where the Licensor has his seat,
resides or has his registered office,
— this licence shall be governed by Belgian law if the Licensor has no seat, residence or registered office inside
a European Union Member State.
Appendix
‘Compatible Licences’ according to Article 5 EUPL are:
— GNU General Public License (GPL) v. 2, v. 3
— GNU Affero General Public License (AGPL) v. 3
— Open Software License (OSL) v. 2.1, v. 3.0
— Eclipse Public License (EPL) v. 1.0
— CeCILL v. 2.0, v. 2.1
— Mozilla Public Licence (MPL) v. 2
— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
— European Union Public Licence (EUPL) v. 1.1, v. 1.2
— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
The European Commission may update this Appendix to later versions of the above licences without producing
a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
covered Source Code from exclusive appropriation.
All other changes or additions to this Appendix require the production of a new EUPL version.

4
README.md
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@@ -1,3 +1,3 @@
# Sludge Settler
# Sludge Settler
Sludge settler node

8
examples/README.md Normal file
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@@ -0,0 +1,8 @@
# settler Example Flows
Import-ready Node-RED examples for settler.
## Files
- basic.flow.json
- integration.flow.json
- edge.flow.json

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examples/basic.flow.json Normal file
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@@ -0,0 +1,6 @@
[
{"id":"settler_basic_tab","type":"tab","label":"settler basic","disabled":false,"info":"settler basic example"},
{"id":"settler_basic_node","type":"settler","z":"settler_basic_tab","name":"settler basic","x":420,"y":180,"wires":[["settler_basic_dbg"]]},
{"id":"settler_basic_inj","type":"inject","z":"settler_basic_tab","name":"basic trigger","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"ping","payload":"1","payloadType":"str","x":160,"y":180,"wires":[["settler_basic_node"]]},
{"id":"settler_basic_dbg","type":"debug","z":"settler_basic_tab","name":"settler basic debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":660,"y":180,"wires":[]}
]

6
examples/edge.flow.json Normal file
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[
{"id":"settler_edge_tab","type":"tab","label":"settler edge","disabled":false,"info":"settler edge example"},
{"id":"settler_edge_node","type":"settler","z":"settler_edge_tab","name":"settler edge","x":420,"y":180,"wires":[["settler_edge_dbg"]]},
{"id":"settler_edge_inj","type":"inject","z":"settler_edge_tab","name":"unknown topic","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"doesNotExist","payload":"x","payloadType":"str","x":170,"y":180,"wires":[["settler_edge_node"]]},
{"id":"settler_edge_dbg","type":"debug","z":"settler_edge_tab","name":"settler edge debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":660,"y":180,"wires":[]}
]

6
examples/integration.flow.json Normal file
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@@ -0,0 +1,6 @@
[
{"id":"settler_int_tab","type":"tab","label":"settler integration","disabled":false,"info":"settler integration example"},
{"id":"settler_int_node","type":"settler","z":"settler_int_tab","name":"settler integration","x":420,"y":180,"wires":[["settler_int_dbg"]]},
{"id":"settler_int_inj","type":"inject","z":"settler_int_tab","name":"registerChild","props":[{"p":"topic","vt":"str"},{"p":"payload","vt":"str"}],"topic":"registerChild","payload":"example-child-id","payloadType":"str","x":170,"y":180,"wires":[["settler_int_node"]]},
{"id":"settler_int_dbg","type":"debug","z":"settler_int_tab","name":"settler integration debug","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":680,"y":180,"wires":[]}
]

2
package.json
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@@ -16,7 +16,7 @@
"author": "P.R. van der Wilt",
"main": "settler.js",
"scripts": {
"test": "node settler.js"
"test": "node --test test/basic/*.test.js test/integration/*.test.js test/edge/*.test.js"
},
"node-red": {
"nodes": {

134
settler.html
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@@ -1,68 +1,68 @@
<script src="/reactor/menu.js"></script>
<script type="text/javascript">
RED.nodes.registerType("settler", {
category: "EVOLV",
color: "#e4a363",
defaults: {
name: { value: "" },
enableLog: { value: false },
logLevel: { value: "error" },
positionVsParent: { value: "" }
},
inputs: 1,
outputs: 3,
outputLabels: ["process", "dbase", "parent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Settling basin";
},
oneditprepare: function() {
// wait for the menu scripts to load
const waitForMenuData = () => {
if (window.EVOLV?.nodes?.reactor?.initEditor) {
window.EVOLV.nodes.reactor.initEditor(this);
} else {
setTimeout(waitForMenuData, 50);
}
};
waitForMenuData();
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
// save logger fields
if (window.EVOLV?.nodes?.reactor?.loggerMenu?.saveEditor) {
window.EVOLV.nodes.reactor.loggerMenu.saveEditor(this);
}
// save position field
if (window.EVOLV?.nodes?.measurement?.positionMenu?.saveEditor) {
window.EVOLV.nodes.rotatingMachine.positionMenu.saveEditor(this);
}
}
});
</script>
<script type="text/html" data-template-name="settler">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<!-- Logger fields injected here -->
<div id="logger-fields-placeholder"></div>
<!-- Position fields will be injected here -->
<div id="position-fields-placeholder"></div>
</script>
<script type="text/html" data-help-name="settler">
<p>Settling tank</p>
<script src="/reactor/menu.js"></script>
<script type="text/javascript">
RED.nodes.registerType("settler", {
category: "EVOLV",
color: "#e4a363",
defaults: {
name: { value: "" },
enableLog: { value: false },
logLevel: { value: "error" },
positionVsParent: { value: "" }
},
inputs: 1,
outputs: 3,
outputLabels: ["process", "dbase", "parent"],
icon: "font-awesome/fa-random",
label: function() {
return this.name || "Settling basin";
},
oneditprepare: function() {
// wait for the menu scripts to load
const waitForMenuData = () => {
if (window.EVOLV?.nodes?.reactor?.initEditor) {
window.EVOLV.nodes.reactor.initEditor(this);
} else {
setTimeout(waitForMenuData, 50);
}
};
waitForMenuData();
$("#node-input-inlet").typedInput({
type:"num",
types:["num"]
});
},
oneditsave: function() {
// save logger fields
if (window.EVOLV?.nodes?.reactor?.loggerMenu?.saveEditor) {
window.EVOLV.nodes.reactor.loggerMenu.saveEditor(this);
}
// save position field
if (window.EVOLV?.nodes?.measurement?.positionMenu?.saveEditor) {
window.EVOLV.nodes.rotatingMachine.positionMenu.saveEditor(this);
}
}
});
</script>
<script type="text/html" data-template-name="settler">
<div class="form-row">
<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
<input type="text" id="node-input-name" placeholder="Name">
</div>
<!-- Logger fields injected here -->
<div id="logger-fields-placeholder"></div>
<!-- Position fields will be injected here -->
<div id="position-fields-placeholder"></div>
</script>
<script type="text/html" data-help-name="settler">
<p>Settling tank</p>
</script>

50
settler.js
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@@ -1,26 +1,26 @@
const nameOfNode = "settler"; // name of the node, should match file name and node type in Node-RED
const nodeClass = require('./src/nodeClass.js'); // node class
const { MenuManager } = require('generalFunctions');
module.exports = function (RED) {
// Register the node type
RED.nodes.registerType(nameOfNode, function (config) {
// Initialize the Node-RED node first
RED.nodes.createNode(this, config);
// Then create your custom class and attach it
this.nodeClass = new nodeClass(config, RED, this, nameOfNode);
});
const menuMgr = new MenuManager();
// Serve /settler/menu.js
RED.httpAdmin.get(`/${nameOfNode}/menu.js`, (req, res) => {
try {
const script = menuMgr.createEndpoint(nameOfNode, ['logger', 'position']);
res.type('application/javascript').send(script);
} catch (err) {
res.status(500).send(`// Error generating menu: ${err.message}`);
}
});
const nameOfNode = "settler"; // name of the node, should match file name and node type in Node-RED
const nodeClass = require('./src/nodeClass.js'); // node class
const { MenuManager } = require('generalFunctions');
module.exports = function (RED) {
// Register the node type
RED.nodes.registerType(nameOfNode, function (config) {
// Initialize the Node-RED node first
RED.nodes.createNode(this, config);
// Then create your custom class and attach it
this.nodeClass = new nodeClass(config, RED, this, nameOfNode);
});
const menuMgr = new MenuManager();
// Serve /settler/menu.js
RED.httpAdmin.get(`/${nameOfNode}/menu.js`, (req, res) => {
try {
const script = menuMgr.createEndpoint(nameOfNode, ['logger', 'position']);
res.type('application/javascript').send(script);
} catch (err) {
res.status(500).send(`// Error generating menu: ${err.message}`);
}
});
};

207
src/nodeClass.js
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@@ -1,114 +1,121 @@
const { Settler } = require('./specificClass.js');
class nodeClass {
/**
* Node-RED node class for settler.
* @param {object} uiConfig - Node-RED node configuration
* @param {object} RED - Node-RED runtime API
* @param {object} nodeInstance - Node-RED node instance
* @param {string} nameOfNode - Name of the node
*/
constructor(uiConfig, RED, nodeInstance, nameOfNode) {
// Preserve RED reference for HTTP endpoints if needed
this.node = nodeInstance;
this.RED = RED;
this.name = nameOfNode;
this.source = null;
this._loadConfig(uiConfig)
this._setupClass();
this._attachInputHandler();
this._registerChild();
this._startTickLoop();
this._attachCloseHandler();
}
/**
* Handle node-red input messages
*/
const { Settler } = require('./specificClass.js');
class nodeClass {
/**
* Node-RED node class for settler.
* @param {object} uiConfig - Node-RED node configuration
* @param {object} RED - Node-RED runtime API
* @param {object} nodeInstance - Node-RED node instance
* @param {string} nameOfNode - Name of the node
*/
constructor(uiConfig, RED, nodeInstance, nameOfNode) {
// Preserve RED reference for HTTP endpoints if needed
this.node = nodeInstance;
this.RED = RED;
this.name = nameOfNode;
this.source = null;
this._loadConfig(uiConfig)
this._setupClass();
this._attachInputHandler();
this._registerChild();
this._startTickLoop();
this._attachCloseHandler();
}
/**
* Handle node-red input messages
*/
_attachInputHandler() {
this.node.on('input', (msg, send, done) => {
switch (msg.topic) {
case 'registerChild':
// Register this node as a parent of the child node
const childId = msg.payload;
const childObj = this.RED.nodes.getNode(childId);
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
break;
default:
console.log("Unknown topic: " + msg.topic);
try {
switch (msg.topic) {
case 'registerChild': {
const childId = msg.payload;
const childObj = this.RED.nodes.getNode(childId);
if (!childObj || !childObj.source) {
this.source?.logger?.warn(`registerChild skipped: missing child/source for id=${childId}`);
break;
}
this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
break;
}
default:
this.source?.logger?.warn(`Unknown topic: ${msg.topic}`);
}
} catch (error) {
this.source?.logger?.error(`Input handler failure: ${error.message}`);
}
if (done) {
if (typeof done === 'function') {
done();
}
});
}
/**
* Parse node configuration
* @param {object} uiConfig Config set in UI in node-red
*/
_loadConfig(uiConfig) {
this.config = {
general: {
name: uiConfig.name || this.name,
id: this.node.id,
unit: null,
logging: {
enabled: uiConfig.enableLog,
logLevel: uiConfig.logLevel
}
},
functionality: {
positionVsParent: uiConfig.positionVsParent || 'atEquipment', // Default to 'atEquipment' if not specified
softwareType: "settler" // should be set in config manager
}
}
}
/**
* Register this node as a child upstream and downstream.
* Delayed to avoid Node-RED startup race conditions.
*/
_registerChild() {
setTimeout(() => {
this.node.send([
null,
null,
{ topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' }
]);
}, 100);
}
/**
* Setup settler class
*/
_setupClass() {
this.source = new Settler(this.config); // protect from reassignment
this.node.source = this.source;
}
_startTickLoop() {
setTimeout(() => {
this._tickInterval = setInterval(() => this._tick(), 1000);
}, 1000);
}
_tick(){
this.node.send([this.source.getEffluent, null, null]);
}
/**
* Parse node configuration
* @param {object} uiConfig Config set in UI in node-red
*/
_loadConfig(uiConfig) {
this.config = {
general: {
name: uiConfig.name || this.name,
id: this.node.id,
unit: null,
logging: {
enabled: uiConfig.enableLog,
logLevel: uiConfig.logLevel
}
},
functionality: {
positionVsParent: uiConfig.positionVsParent || 'atEquipment', // Default to 'atEquipment' if not specified
softwareType: "settler" // should be set in config manager
}
}
}
/**
* Register this node as a child upstream and downstream.
* Delayed to avoid Node-RED startup race conditions.
*/
_registerChild() {
setTimeout(() => {
this.node.send([
null,
null,
{ topic: 'registerChild', payload: this.node.id, positionVsParent: this.config?.functionality?.positionVsParent || 'atEquipment' }
]);
}, 100);
}
/**
* Setup settler class
*/
_setupClass() {
this.source = new Settler(this.config); // protect from reassignment
this.node.source = this.source;
}
_startTickLoop() {
setTimeout(() => {
this._tickInterval = setInterval(() => this._tick(), 1000);
}, 1000);
}
_tick(){
this.node.send([this.source.getEffluent, null, null]);
}
_attachCloseHandler() {
this.node.on('close', (done) => {
clearInterval(this._tickInterval);
done();
if (typeof done === 'function') done();
});
}
}
module.exports = nodeClass;
module.exports = nodeClass;

301
src/specificClass.js
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@@ -1,144 +1,157 @@
const { childRegistrationUtils, logger, MeasurementContainer } = require('generalFunctions');
const EventEmitter = require('events');
class Settler {
constructor(config) {
this.config = config;
// EVOLV stuff
this.logger = new logger(this.config.general.logging.enabled, this.config.general.logging.logLevel, config.general.name);
this.emitter = new EventEmitter();
this.measurements = new MeasurementContainer();
this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
this.upstreamReactor = null;
this.returnPump = null;
// state variables
this.F_in = 0; // debit in
this.Cs_in = new Array(13).fill(0); // Concentrations in
this.C_TS = 2500; // Total solids concentration sludge
}
get getEffluent() {
// constrain flow to prevent negatives
const F_s = Math.min((this.F_in * this.Cs_in[12]) / this.C_TS, this.F_in);
const F_eff = this.F_in - F_s;
let F_sr = 0;
if (this.returnPump) {
F_sr = Math.min(this.returnPump.measurements.type("flow").variant("measured").position("atEquipment").getCurrentValue(), F_s);
}
const F_so = F_s - F_sr;
// effluent
const Cs_eff = structuredClone(this.Cs_in);
if (F_s > 0) {
Cs_eff[7] = 0;
Cs_eff[8] = 0;
Cs_eff[9] = 0;
Cs_eff[10] = 0;
Cs_eff[11] = 0;
Cs_eff[12] = 0;
}
// sludge
const Cs_s = structuredClone(this.Cs_in);
if (F_s > 0) {
Cs_s[7] = this.F_in * this.Cs_in[7] / F_s;
Cs_s[8] = this.F_in * this.Cs_in[8] / F_s;
Cs_s[9] = this.F_in * this.Cs_in[9] / F_s;
Cs_s[10] = this.F_in * this.Cs_in[10] / F_s;
Cs_s[11] = this.F_in * this.Cs_in[11] / F_s;
Cs_s[12] = this.F_in * this.Cs_in[12] / F_s;
}
return [
{ topic: "Fluent", payload: { inlet: 0, F: F_eff, C: Cs_eff }, timestamp: Date.now() },
{ topic: "Fluent", payload: { inlet: 1, F: F_so, C: Cs_s }, timestamp: Date.now() },
{ topic: "Fluent", payload: { inlet: 2, F: F_sr, C: Cs_s }, timestamp: Date.now() }
];
}
registerChild(child, softwareType) {
if(!child) {
this.logger.error(`Invalid ${softwareType} child provided.`);
return;
}
switch (softwareType) {
case "measurement":
this.logger.debug(`Registering measurement child...`);
this._connectMeasurement(child);
break;
case "reactor":
this.logger.debug(`Registering reactor child...`);
this._connectReactor(child);
break;
case "machine":
this.logger.debug(`Registering machine child...`);
this._connectMachine(child);
break;
default:
this.logger.error(`Unrecognized softwareType: ${softwareType}`);
}
}
_connectMeasurement(measurementChild) {
const position = measurementChild.config.functionality.positionVsParent;
const measurementType = measurementChild.config.asset.type;
const eventName = `${measurementType}.measured.${position}`;
// Register event listener for measurement updates
measurementChild.measurements.emitter.on(eventName, (eventData) => {
this.logger.debug(`${position} ${measurementType} from ${eventData.childName}: ${eventData.value} ${eventData.unit}`);
// Store directly in parent's measurement container
this.measurements
.type(measurementType)
.variant("measured")
.position(position)
.value(eventData.value, eventData.timestamp, eventData.unit);
this._updateMeasurement(measurementType, eventData.value, position, eventData);
});
}
_connectReactor(reactorChild) {
if (reactorChild.config.functionality.positionVsParent != "upstream") {
this.logger.warn("Reactor children of settlers should be upstream.");
}
this.upstreamReactor = reactorChild;
reactorChild.emitter.on("stateChange", (eventData) => {
this.logger.debug(`State change of upstream reactor detected.`);
const effluent = this.upstreamReactor.getEffluent[0];
this.F_in = effluent.payload.F;
this.Cs_in = effluent.payload.C;
});
}
_connectMachine(machineChild) {
if (machineChild.config.functionality.positionVsParent == "downstream") {
machineChild.upstreamSource = this;
this.returnPump = machineChild;
return;
}
this.logger.warn(`Failed to register machine child.`);
}
_updateMeasurement(measurementType, value, position, context) {
switch(measurementType) {
case "quantity (tss)":
this.C_TS = value;
break;
default:
this.logger.error(`Type '${measurementType}' not recognized for measured update.`);
return;
}
}
}
module.exports = { Settler };
const { childRegistrationUtils, logger, MeasurementContainer } = require('generalFunctions');
const EventEmitter = require('events');
// Compatibility-safe array clone for Node runtimes without global structuredClone.
function cloneArray(values) {
if (typeof structuredClone === 'function') {
return structuredClone(values);
}
return Array.isArray(values) ? [...values] : values;
}
/**
* Settler domain model.
* Splits influent into effluent, sludge and return sludge based on solids balance.
*/
class Settler {
constructor(config) {
this.config = config;
// EVOLV stuff
this.logger = new logger(this.config.general.logging.enabled, this.config.general.logging.logLevel, config.general.name);
this.emitter = new EventEmitter();
this.measurements = new MeasurementContainer();
this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
this.upstreamReactor = null;
this.returnPump = null;
// state variables
this.F_in = 0; // debit in
this.Cs_in = new Array(13).fill(0); // Concentrations in
this.C_TS = 2500; // Total solids concentration sludge
}
get getEffluent() {
// constrain flow to prevent negatives
const F_s = Math.min((this.F_in * this.Cs_in[12]) / this.C_TS, this.F_in);
const F_eff = this.F_in - F_s;
let F_sr = 0;
if (this.returnPump) {
F_sr = Math.min(this.returnPump.measurements.type("flow").variant("measured").position("atEquipment").getCurrentValue(), F_s);
}
const F_so = F_s - F_sr;
// effluent
const Cs_eff = cloneArray(this.Cs_in);
if (F_s > 0) {
Cs_eff[7] = 0;
Cs_eff[8] = 0;
Cs_eff[9] = 0;
Cs_eff[10] = 0;
Cs_eff[11] = 0;
Cs_eff[12] = 0;
}
// sludge
const Cs_s = cloneArray(this.Cs_in);
if (F_s > 0) {
Cs_s[7] = this.F_in * this.Cs_in[7] / F_s;
Cs_s[8] = this.F_in * this.Cs_in[8] / F_s;
Cs_s[9] = this.F_in * this.Cs_in[9] / F_s;
Cs_s[10] = this.F_in * this.Cs_in[10] / F_s;
Cs_s[11] = this.F_in * this.Cs_in[11] / F_s;
Cs_s[12] = this.F_in * this.Cs_in[12] / F_s;
}
return [
{ topic: "Fluent", payload: { inlet: 0, F: F_eff, C: Cs_eff }, timestamp: Date.now() },
{ topic: "Fluent", payload: { inlet: 1, F: F_so, C: Cs_s }, timestamp: Date.now() },
{ topic: "Fluent", payload: { inlet: 2, F: F_sr, C: Cs_s }, timestamp: Date.now() }
];
}
registerChild(child, softwareType) {
if(!child) {
this.logger.error(`Invalid ${softwareType} child provided.`);
return;
}
switch (softwareType) {
case "measurement":
this.logger.debug(`Registering measurement child...`);
this._connectMeasurement(child);
break;
case "reactor":
this.logger.debug(`Registering reactor child...`);
this._connectReactor(child);
break;
case "machine":
this.logger.debug(`Registering machine child...`);
this._connectMachine(child);
break;
default:
this.logger.error(`Unrecognized softwareType: ${softwareType}`);
}
}
_connectMeasurement(measurementChild) {
const position = measurementChild.config.functionality.positionVsParent;
const measurementType = measurementChild.config.asset.type;
const eventName = `${measurementType}.measured.${position}`;
// Register event listener for measurement updates
measurementChild.measurements.emitter.on(eventName, (eventData) => {
this.logger.debug(`${position} ${measurementType} from ${eventData.childName}: ${eventData.value} ${eventData.unit}`);
// Store directly in parent's measurement container
this.measurements
.type(measurementType)
.variant("measured")
.position(position)
.value(eventData.value, eventData.timestamp, eventData.unit);
this._updateMeasurement(measurementType, eventData.value, position, eventData);
});
}
_connectReactor(reactorChild) {
if (reactorChild.config.functionality.positionVsParent != "upstream") {
this.logger.warn("Reactor children of settlers should be upstream.");
}
this.upstreamReactor = reactorChild;
reactorChild.emitter.on("stateChange", (eventData) => {
this.logger.debug(`State change of upstream reactor detected.`);
const raw = this.upstreamReactor.getEffluent;
const effluent = Array.isArray(raw) ? raw[0] : raw;
this.F_in = effluent.payload.F;
this.Cs_in = effluent.payload.C;
});
}
_connectMachine(machineChild) {
if (machineChild.config.functionality.positionVsParent == "downstream") {
machineChild.upstreamSource = this;
this.returnPump = machineChild;
return;
}
this.logger.warn(`Failed to register machine child.`);
}
_updateMeasurement(measurementType, value, position, context) {
switch(measurementType) {
case "quantity (tss)":
this.C_TS = value;
break;
default:
this.logger.error(`Type '${measurementType}' not recognized for measured update.`);
return;
}
}
}
module.exports = { Settler };

12
test/README.md Normal file
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# settler Test Suite Layout
Required EVOLV layout:
- basic/
- integration/
- edge/
- helpers/
Baseline structure tests:
- basic/structure-module-load.basic.test.js
- integration/structure-examples.integration.test.js
- edge/structure-examples-node-type.edge.test.js

0
test/basic/.gitkeep Normal file
View File

8
test/basic/structure-module-load.basic.test.js Normal file
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const test = require('node:test');
const assert = require('node:assert/strict');
test('settler module load smoke', () => {
assert.doesNotThrow(() => {
require('../../settler.js');
});
});

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test/edge/structure-examples-node-type.edge.test.js Normal file
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const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const flow = JSON.parse(fs.readFileSync(path.resolve(__dirname, '../../examples/basic.flow.json'), 'utf8'));
test('basic example includes node type settler', () => {
const count = flow.filter((n) => n && n.type === 'settler').length;
assert.equal(count >= 1, true);
});

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test/integration/structure-examples.integration.test.js Normal file
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const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const dir = path.resolve(__dirname, '../../examples');
function loadJson(file) {
return JSON.parse(fs.readFileSync(path.join(dir, file), 'utf8'));
}
test('examples package exists for settler', () => {
for (const file of ['README.md', 'basic.flow.json', 'integration.flow.json', 'edge.flow.json']) {
assert.equal(fs.existsSync(path.join(dir, file)), true, file + ' missing');
}
});
test('example flows are parseable arrays for settler', () => {
for (const file of ['basic.flow.json', 'integration.flow.json', 'edge.flow.json']) {
const parsed = loadJson(file);
assert.equal(Array.isArray(parsed), true);
}
});