`.
-
-So how does this help with accessibility? In my [first post in the series]({{ site.github.url }}/2023/11/06/testing-with-intent-a-path-to-embedded-accessibility.html), I described two barriers teams face in tackling accessibility. The first of these was Accessibility as a Feature. This is the tendency of teams to put accessibility on the backlog and delay—often forever—its implementation. If we are serious about tackling accessibility, we need to address it from the start.
-
-But that’s exactly what we are doing here. By ensuring that we are choosing the right roles for our tests, we are addressing issues of accessibility from the start. If you follow the golden rule, your app will be more accessible by default. It’s no silver bullet that will solve all accessibility issues, but it is a big step forward.
-
-## Small, achievable learning opportunities in Accessibility
-The second barrier that I described in the [first post]({{ site.github.url }}/2023/11/06/testing-with-intent-a-path-to-embedded-accessibility.html) was a skills gap. Generally, technical teams want to create accessible products, but they don’t have the necessary skills or experience. This makes sense; they don’t have the skills because there’s no opportunity to learn them. We don’t create opportunities to learn if we aren’t building accessible products.
-
-Personally, I find that I learn best when I’m solving real problems as part of my day-to-day work. I must admit that I started practising Testing with Intent with a pretty woeful knowledge of accessibility. I could try and feel better by convincing myself that this was typical of the industry. Really though, it was inadequate for my interests and level of experience.
-
-But through the techniques described in this post, I've steadily built my knowledge. In the course of writing tests, small, achievable learning opportunities keep coming up. Each time I take one of these opportunities, I learn something. Consequently, I now code apps that are much more accessible when compared to where I started.
-
-How do these come up? By following the golden rule. When you ask yourself what the correct role is for an element, you are presenting yourself with a learning opportunity. You can go and look it up and learn something along the way.
-
-To highlight this, consider the below scenario:
-
-* I’ve been tasked with implementing a navbar. That’s straightforward, so, in my ignorance, I throw together something along the lines of:
-
-~~~ html
-
-~~~
-
-* I then go to write some tests for this code. I follow the golden rule and opt to use `getByRole` to identify the navbar. But, what role does a `div` have?
-* I [look that up](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles) and discover that “Non-semantic elements in HTML do not have a role”. Okay, this isn’t the time to abandon the rule. I need to search the page to find the appropriate role for this situation.
-* I find the [`navigation` role](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/navigation_role). This looks—and is—perfect, so I read the description.
-* This, in turn, leads to me reading a bit about [landmark roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles#3._landmark_roles).
-* Using what I learnt, I go back and update my code so that the correct role will be applied:
-
-~~~ html
-
- Home
- Dashboards
- Data Entry
- Search
-
-~~~
-
-* I can then get on with writing my test using the golden rule.
-
-In the course of my work, I spent roughly 10 minutes improving my knowledge. But that small amount of time was really valuable. The topics covered here are actually key accessibility techniques. I’ve learnt useful skills and doing this also has directly improved the quality of my code. It has also made the application more accessible. And, this wasn’t something challenging for me; it was an easy learning opportunity.
-
-So we can break down this second barrier. By following the golden rule, we can make progress by tackling accessibility in steps. While Testing with Intent, small, achievable learning opportunities naturally appear. Each one is a step where we can engage with and learn about accessibility. Oh, and also, writing tests is a lot more fun when you’re learning things along the way…
-
-## Encoding intent through accessibility
-So, we’ve seen how following the golden rule can help us with both our test suites and accessibility efforts. But there is one final link to make between testing and accessibility.
-
-When we talked about ARIA roles and labels earlier, we talked about how they are used to describe context or meaning for how something works. I like to think of them as our way of encoding how we intend our app to be used. The reason to do something doesn’t have to be inferred—particularly visually—as it’s set out explicitly. That explicitness helps all users to interact with our webpage.
-
-But we can also flip this completely on its head. In Testing with Intent, we are trying to encode user intention into our tests. But how do we do that? That’s not always straightforward. Often the intention of something on a page isn’t easy to get at technically. Often, we encode meaning in ways that are hard to target in code. You’ll struggle to write a selector that manages to capture what we mean by “looking clickable”. Sound familiar? These happen to be the same issues faced by users of assistive technologies.
-
-The answer to how to encode intention? As we’ve discussed, that’s exactly what ARIA roles and labels are for. They encode the intention. This is the golden rule in different words. "Always `queryByRole`" can be considered the same as "always test with user intention".
-
-By following the rule, we cause ourselves to expose the intention of each action in our test. Said another way, by targeting the things that convey intention, we represent that intention in code. This is how we encode our user intentions in a test. This is also how, without any textual descriptions, you can read a test and understand what a user is trying to do.
-
-~~~js
-const dashboardsLink = screen.getByRole('link', { name: 'Dashboards' });
-userEvent.click(dashboardsLink);
-
-const dashboardPageHeading = await screen.findByRole('heading', { level: 1, name: 'My Dashboards' });
-expect(dashboardPageHeading).toBeInTheDocument();
-~~~
-
-So we use ARIA roles and labels to clearly explain the intention of our application to all users. We use those very same roles and labels to capture and represent user intention within our tests. ARIA is there to assist our tests, as well as users.
-
-In this way we are using one technique to drive better accessibility and drive better tests. Our app is better described so it is more accessible. As it is better described, we are able to code tests through user intention rather than implementation details. And, avoiding implementation details means better tests. In this situation, everyone wins.
-
-## Some final thoughts
-For me, it’s quite incredible that there can be so much depth behind a simple prioritisation. That, by following the golden rule, you can reap such benefits in your tests and in accessibility. I hope that you’ll give it a go. If you do, please let me know how you get along. I’m always up for refining the ideas here.
-
-This rule goes beyond Testing Library. It can easily be applied to E2E tests for example. But, Testing Library is an awesome tool itself. If you haven’t yet, I really recommend trying it out. If you’re keen, you can jump right in with [their getting started guide](https://testing-library.com/docs/).
-
-You might also be interested in the [other post in this series]({{ site.github.url }}/2023/11/06/testing-with-intent-a-path-to-embedded-accessibility.html), and the other view it takes on this topic. Rather than how this fits together technically, the post looks at why this approach is good for testing and accessibility. It’s broader in scope, and talks about why it’s important that we address these issues.
-
-If you’re after more reading, you might want to check out Kent C Dodds—who created Testing Library. He has a fantastic blog. In particular, I found the following posts really insightful:
-
-* [The Testing Trophy](https://kentcdodds.com/blog/the-testing-trophy-and-testing-classifications) - which tests should we use most of
-* [Static vs Unit vs Integration vs E2E Testing for Frontend Apps](https://kentcdodds.com/blog/static-vs-unit-vs-integration-vs-e2e-tests)
-* [Confidently Shipping Code](https://kentcdodds.com/blog/confidently-shipping-code) - why you test
-* [Testing Implementation Details](https://kentcdodds.com/blog/testing-implementation-details) - why this is bad
-
-Finally, I must also give my massive shout out to Jim Light. We developed these principles and practices while working on a project together. Time got the best of us, and we weren’t able to collaborate on writing these posts together. The original plan was that I would write the other post, and this one would have been his. Safe to say, I may have covered the topic in my own style, but this post has Jim’s stamp all over it.
diff --git a/_posts/2023-11-06-working-in-a-blameless-culture.md b/_posts/2023-11-06-working-in-a-blameless-culture.md
index 0f6dc1a3b3..5adfd19ca1 100644
--- a/_posts/2023-11-06-working-in-a-blameless-culture.md
+++ b/_posts/2023-11-06-working-in-a-blameless-culture.md
@@ -11,6 +11,7 @@ summary: A blameless culture can have a huge positive impact on the way your tea
works, both internally and with others. In this post I'll explore what a blameless
culture is, why it's important and how to promote it within your own team.
author: dogle
+image: "/uploads/working%20in%20a%20blameles%20culture.png"
---
## What is a blameless culture?
diff --git a/_posts/2023-11-07-understand-your-data-requirements.markdown b/_posts/2023-11-07-understand-your-data-requirements.markdown
deleted file mode 100644
index b65e31d422..0000000000
--- a/_posts/2023-11-07-understand-your-data-requirements.markdown
+++ /dev/null
@@ -1,252 +0,0 @@
----
-title: Understand your data requirements
-categories:
-- Data Engineering
-tags:
-- Data Warehouse
-- CDP
-- Big Data
-- Data Strategy
-summary: This blog discusses the different data requirements that exist in a typical organisation and provides some suggestions over how to classify them and match them to technologies
-author: dhope
----
-
-
-
-In this post we'll take a whistle-stop tour around the topic of data, going from sources and types through to use cases and the technologies involved in processing data.
-
-We'll briefly explore the conflicting requirements around data and emphasise the need for everyone to think about it in the development process, rather than treating data as an afterthought where its value won't be properly maximised.
-
-## Introduction
-Over the last decade we’ve heard more and more about data. Firms feel they should be embracing big data, everyone talks about being data driven and recently AI and machine learning, which is powered by data, has really taken off
-
-Despite this, there is a certain amount of mystique around the area for many engineers and managers: often data responsibilities are handed off to an unknown data team who manage *the data platform*. Unfortunately, as a result, it doesn’t always deliver what was hoped for - I’ve witnessed confusion around the role of the big data system (e.g. Spark) vs the older warehouse, an inability for BAs to find the data they need or even to know what data is available where, arguments over whether the data platform should be used in operational flows and frustrations when managers want real time insights but can’t get them.
-
-I’d argue (not very controversially) that this siloed, hand-it-off approach isn’t great and we need to treat data requirements like any other as a first class citizen that everyone is involved in. Yes, sometimes data requirements demand data engineering or ML expertise and different tooling compared to the online transactional workloads but nonetheless we should understand the use cases and where our tools and people are well suited and where not.
-
-## Types of data
-
-To start let’s think about the types of data flying around a typical organisation and to illustrate this, consider the diagram below showing some examples of what might be ingested into and generated by a financial products app:
-
-
-
-We see a number of classes of data:
-
-* system data like logs and metrics from the services we run
-* customer data, like someone’s address, email, preferences and account information
-* activity data – from views and clicks to purchases
-* product data about goods or services
-* external enrichment data like time series price data being pulled in
-
-It’s clear even from this simple example that the data in an orginisation is varied in nature and in its use. Some of the data may be at the centre of what a company does, sometimes it’s more on the periphery but all is valuable.
-
-
-
-There’s many different properties of data we could consider but to take a few: some data will be frequent and high volume, other infrequent, some will be sensitive e.g. with PII data, some not and some will be high quality, other poor with missing data or no schema. We may also note a difference between data that communicates changes to state like a user’s address vs event data (e.g. user clicks) vs data that provides a continually changing time-series value like a stock price or the current latency of an API. We see differences in these properties for the examples of data types:
-
-
-
-
- Data
- Event throughput
- Sensitivity
- Quality
- State vs values
-
-
-
-
- System logs and metrics
- High
- Medium
- Medium
- Values stream
-
-
- Customer data
- Low
- High
- High
- Current state
-
-
- Analytics clickstream
- High
- Medium
- Low
- Event stream
-
-
- Product catalogue
- Low
- Low
- High
- Current state
-
-
- Stock prices
- High
- Low
- High
- Values stream
-
-
-
-
-This implies that a one size fits all approach to ingesting and processing data is unlikely to work.
-
-## Usages of data
-
-Let’s move on to consider some of the ways we might want to use that data. We’re thinking here of use cases other than the core task storing of data when a user submits it.
-
-
-
-We see a wide variety of use cases varying in the breadth and type data they need, how real time they are, accuracy needs etc. They’ve been drawn overlapping where they are some commonalities, e.g. producing segments for a customer will involve a 360 view of a single customer just as a Subject Access Request (SAR) would. Let’s explore further how we might think about the different use cases. Some common attributes that we’ll explore further are:
-
-
-
-
-### Use Case Attributes
-
-#### Accuracy
-What’s the cost of acting on incorrect data or incomplete data. What’s the cost of producing incorrect or insufficiently accurate results. Regulatory reports need to be super accurate. On the other hand missing some late clickstream data about a page view is rarely a problem and won’t affect aggregate statistics.
-
-#### Latency
-How quickly must we act upon the data – batch (e.g. daily, hourly), micro batch (e.g. every 30s or 2 minutes)or real time. In recent years the trend has been towards more near real time data rather than daily or weekly batches. Often this must be traded off against accuracy or require multiple piplines – see literature around streaming watermarks and the Lambda and Kappa architectures.
-
-A financial trading application would sit at the extreme of low latency but security applications or location based advertising use cases must still be quick.
-
-#### Retention
-Are we operating over a short time window or all time – many use cases are only concerned about the most recent data (e.g. logs, security) so we can have an expiry but not in all cases, especially where financial reporting is involved. Machine learning use cases may also want a rich history of data. Sometimes we don’t need all events but rolled up values are needed, e.g. per week figures.
-Online transactional systems usually care about the final state but in BI analytics sometime we want to know the history, e.g. changes to an order.
-
-#### Data dimensions to be processed
-
-
-
-In transactional systems we are typically fetching or updating a row that is associated with a person or product but in analytics we often want to do aggregates across columns for all users or products within a time window/location/other. In applications like recommendation engines we often work across both dimensions at the same time (e.g. matrix factorisation) and need a lot of memory.
-
-Databases tend to be optimised for one application or another. An online transactional DB supporting high req/s (tens of thousands plus) is unlikely to be optimal for large scale analytic workloads. The preferred data model is also likely to be different with fact tables (including history, see retension section above) and star schemas used for analytics. This implies differences in customer data focused systems vs analytics systems and means we can't often use the customer facing DBs for reporting and data science, even via separate read replicas. Neither may be well suited to data science calculations.
-
-#### User/consumer of the data
-Sometimes a type of processing or query is setup once and managed by developers, but often a person like a business analyst or financial reporter is regularly writing queries and viewing the results. In other in-between cases a data scientist may be working with the data dynamically via Python or R.
-
-The user will impact the approach because it’s not enough just to have a data service running some code deployed from Github. The interface is important for driving the query and also to visualize and browse the results. We see attempts to offer SQL like interfaces into Kafka, Spark etc but it’s very basic compared to more warehouse focused products.
-
-## Tech Solutions
-
-In this section we think about the variety of technology product categories that we can apply to storing, transferring and analysing data. We start with a table summaring the various categories and providing some examples:
-
-
-
-
- Tech
- Use
- Examples
-
-
-
-
- Message buses
- Distribute data from services to other users/systems
- AWS Eventbridge, Kafka, RabbitMQ, Azure Service Bus
-
-
- Workflows and orchestrating ETL
- Where there's dependencies between data you want to pull into your warehouse and to orchestrate the data flow
- Apache Airflow, Google Data Flow
-
-
- Streams and real time processing
- Where we must act immediately on a change
- Kafka Streams, MS Fabric, Snowflake, Spark, Apache Beam
-
-
- Data lake
- A place to throw all your data so that it can be joined and used at some point as needed
- HDFS, Deltalake, object storage like S3
-
-
- Data warehouse
- For BI users to query with SQL. Often with star schema and columnar format for fast query
- Google Big Query, IBM, Oracle data warehouse products, Snowflake, Databricks, MS Fabric, Vertica
-
-
- Large scale unstructured data analysis
- Massive scale analysis on data that is often ill defined, without schema and varied
- Spark, Snowflake, Databricks, Big Query
-
-
- ML and AI model training frameworks and services
- Training a new model or tuning an off the shelf one. Similar to the above but uses very specific maths techniques – not just general purpose filters and aggregations
- Tensorflow (various platforms), AWS Sagemaker, Spark, Big Query
-
-
- Customer data platforms (CDPs)
- App analytics and 360 view of each customer across many systems and for segmentation
- Adobe, mParticle, Twilio Segment
-
-
- Logs/metrics systems
- Collecting logs and metrics at scale, rolling up values, providing alerts
- Prometheus+Grafana, Splunk, New Relic
-
-
- SIEM Tools
- Analysing logs, customer events etc to identify security threats
- Splunk, SolarWinds SEM
-
-
-
-
-### Observations and trends
-We can see that a lot of products come up in multiple categories. Everyone from Vertica to Snowflake to Google is offering some form of machine learning capabilities within their main data offerings. Be aware that the flexibility and maturity and programming interfaces will differ so not all will be equal for a given use case. For example, many vendors offer some form of streaming for continual updates but this is typically a form of micro-batch and usually a more recent product add-on so wouldn’t be appropriate for the very high throughput and/or lowest latency applications.
-
-On a related note, in Snowflake we do see some movement to try and unify the analytics DB and the online transactional one with the recent UniStore offering so as to avoid the need to copy data between them but this is a very recent move and time will tell how useful it is.
-
-Certain needs are still implemented with separate products such as providing a 360 customer view. CDPs may have some data science responsibilities, e.g. around segmentation but there's usually a lot of value add in terms of app SDKs, integrations into marketing platforms, experimentation platforms, push notification/email/SMS integration etc. They'd typically push data they've collected into the warehouse system or data lake. Similarly the management of metrics and logs and related security tooling tends to be quite separate today with quite different users in the SRE world and integrations into pager systems, service desk systems etc. In both cases the integrations and what we do as a result of the data are at least as important as the data.
-
-A consequence of vendors trying to offer one-stop-shops for data is that the differentiation between an analytics database and big data frameworks isn’t clear cut nowadays. We have the concept of the data lake and “lakehouses” around the lake to work on the data in different ways, sometimes with an intermediary layer like Delta Lake to provide atomicity, consistency etc (ACID) on the lake. This contrasts with the older scenario of a warehouse DB with the data and then a separately a set of HDFS or S3 files with a replica of that same data to be processed by the likes of Spark or Tensorflow. Vendors are offering the lake and lakehouses together; for example Snowflake lets different users spin up their own data warehouses for different analytics tasks and also offers Snowpark so data scientists can work with its data using Python. Databricks and Fabric have similar features as well as the aforementioned ML/AI capabilities and reporting.
-
-
-
-Benefits of this approach include avoiding the need to have the same data copied into lots of locations and managed separately including all the governance requirements around security and PII. Additionally the tooling has improved to manage unstructured data a lot better so we don’t have a swamp of unknown, unusable data.
-As an aside, ostensibly, some of the most recent ideas around a Data Mesh pull in a slightly different direction but don’t have to. The important point is that the teams that own the data at origin manage it’s availability, schema etc for data use cases rather than a central data team.
-
-## Picking your data tooling
-We’ve seen that there’s many types of data and lots of different ways to process that data. Rather than shopping for a “Big Data” product and then trying to make it fit your use cases I’d recommend getting a clear view on what you want to achieve and what your requirements are (both today and in the near future) to determine the tooling you want. We’ve seen that many tools do lots of tasks but as you dig into them some will be better at certain tasks than others – they won’t all be best in class in every area which may or may not be fine dependent on your needs.
-
-Generally businesses prefer to have less tools rather than more as it reduces licensing costs, maintenance and upskilling so I’m not advising to deliberately diversify! Simply to understand your needs and accept there may be exceptions. For example:
-
-* Maybe some data has strict compliance requirements on data residency and access controls that many products lack.
-* Perhaps you have AI and ML requirements that need the state of the art in Gen AI and don’t want to wait for your vendor’s tooling to catchup.
-* You need a CDP that has integrations into some of your other tooling
-* Utilising a separate BI and reporting tool from another vendor may bring better visualisations or be easier for your existing analysts
-
-### Data buses
-As important as the warehousing and processing is how you actually supply data into the data lake, CDP and any other sinks from the source systems. Be aware that a one size fits all data bus isn’t always a good idea. High volume, real time data where latency matters more than accuracy, will often benefit a different solution to low volume data with high accuracy needs such as regulatory reporting. It’s not a bad thing to have multiple tools or one technology configured differently for each case. For example, where volumes are massive or super low latency is needed specialist tools like Kafka could be considered but are unlikely to be suitable everywhere as they come with tradeoffs in integration ease.
-
-### Feedback loops
-An area we haven’t touched on yet is using big data techniques in day to day operational flows and feedback. This could be: analysing supply chain/video pipeline/security threats in real time and acting on anomalies, creating a trending now feature or performing live segment updates of customers based on activity (with ad revenue implications).
-
-
-
-I’ve seen it in multiple organisations where a data system and team is assembled with an aim to do offline analysis. The service contract for the software doesn’t mandate high availability because it wasn’t envisaged as customer impacting and the supporting team is Mon-Fri 9-5. Then a need arises whereby the data system is seen as the best place to do some kind of complex query or machine learning that is needed to make a customer impacting feature work where 24/7 support and service level agreements are required. The data team object because they can’t support it but there’s no other natural home for the particular calculation and everyone has a problem.
-
-## Final thoughts
-We’ve had a quick look at types of data, different use cases around data and some of the technologies to support those use cases. There’s tools that can cover a lot of use cases but not all and with varying degrees of maturity and flexibility for each case.
-
-It’s important to really understand your requirements and what you want to do with data such that you can get the maximum value out of it. Don't just have a central data team who decide and manage everything data related. If requirements and decisions are are removed from the engineering and the business teams wanting value out of the data, you'll end up with poor outcomes.
diff --git a/_posts/2023-11-09-the-sustainable-computing-ecosystem.markdown b/_posts/2023-11-09-the-sustainable-computing-ecosystem.markdown
new file mode 100644
index 0000000000..70496d6320
--- /dev/null
+++ b/_posts/2023-11-09-the-sustainable-computing-ecosystem.markdown
@@ -0,0 +1,126 @@
+---
+title: The Sustainable Computing Ecosystem
+date: 2023-11-09 11:07:00 Z
+categories:
+- ocronk
+- jhowlett
+- sustainability
+- Tech
+tags:
+- sustainable software
+- sustainability
+summary: 'Part of the Conscientious Computing series this blog talks about the emerging
+ ecosystem of organisations that are promoting sustainability within software development,
+ cloud computing, infrastructure, and digital services.
+
+'
+author: ocronk
+image: "/uploads/greensoftware-ecosystem-024a11.png"
+contributors:
+ jhowlett:
+---
+
+This post is part of the [Conscientious Computing series](https://blog.scottlogic.com/2023/10/26/conscientious-computing-facing-into-big-tech-challenges.html). If you missed the [first post do have a read for background context](https://blog.scottlogic.com/2023/10/26/conscientious-computing-facing-into-big-tech-challenges.html). As a reminder this series is more about the sustainability of IT than what IT can do for sustainability in general. Oh and if you want an overview of [sustainable tech terminology do check that out here.](https://blog.scottlogic.com/2023/09/12/sustainability-terminology.html)
+
+Sustainability has become an increasingly important issue across all industries, including technology and computing. There is a growing ecosystem of organisations that are promoting sustainability and environmental issues within software development, cloud computing, infrastructure, and digital services.
+
+These groups are raising awareness, developing standards and best practices, and bringing companies together to reduce the environmental impact of digital technologies. In this post, we'll look at some of the major players in the sustainable computing space - and as we are based in the UK this will talk about global organisations but will also include UK and European organisations. Whilst major vendors do get a mention later this is more about independent / collaborative organisations that provide more neutral, agnostic positions. I can't claim this list is exhaustive so please do [contact Oliver](https://www.linkedin.com/in/cronky/)if you think this is missing one that is significant or that you have found helpful.
+
+
+
+The picture above maps out the organisations that we have and continue to use in our research and development in the area of Sustainable and Green software. It is UK centric – so local refers to European or UK based organisations. Specific refers to majoring on a particular focus area (like Web or technology infrastructure) general means they are looking at a range of technology areas.
+
+**Green Software Foundation:**
+
+One of the leading organisations (and the one that we have found most useful at Scott Logic) is the [Green Software Foundation (GSF)](https://greensoftware.foundation/). An offshoot from the Linux Foundation founded in 2021, GSF focuses on making software engineering more sustainable. It brings together companies like Microsoft, Google, Intel and technology consultancies to develop metrics, standards, tools, and certifications around sustainable software. Crucially it is pretty independent and agnostic despite having major technology companies as members.
+
+The foundation is rapidly becoming a central platform for the software sustainability community by providing a variety of comprehensive resources. Ranging from the [Green Software Practitioner course](https://learn.greensoftware.foundation/) which is a great introduction to the field, providing certification from the Linux Foundation. To the [Green Software Patterns catalogue](https://patterns.greensoftware.foundation/), the go-to reference for any sustainably minded developer.
+
+They have working groups developing a Carbon Aware SDK, a [Software Carbon Intensity Metric](https://sci-guide.greensoftware.foundation/) (SCI), and reviewing how to design software to optimise for energy usage and carbon reduction. There are also projects in an incubation status that are worth following, like the [Impact Engine Framework](https://greensoftwarefoundation.atlassian.net/wiki/spaces/~612dd45e45cd76006a84071a/pages/17072136/Opensource+Impact+Engine+Framework), which aims to aid in the estimation of emissions using standardised models.
+
+**Green Web Foundation:**
+
+Where GSF looks at sustainable software development, [Green Web Foundation](https://www.thegreenwebfoundation.org/) focuses on sustainable web design and hosting. It provides training and resources for web developers to build websites that use less energy and resources.
+
+Some of their recommendations include only embedding necessary media, optimising images, and choosing energy-efficient web hosting such as green hosts running on renewable energy. If you are looking for advice on optimising your front end or web application this is a great place to start. It's also worth checking out their [Green Web Library](https://www.zotero.org/groups/4399301/green-web-syllabus/library) which is a helpful catalogue of links to papers and data sources.
+
+**Sustainable Web Design**
+
+[Sustainable Web Design](https://sustainablewebdesign.org/) (a collective group including Chris Adams of The Green Web Foundation, Rym Baouendi - Medina Works, Tim Frick - Mightybytes, Tom Greenwood - Wholegrain Digital and Dryden Williams - EcoPing) are also worth a mention - they go into detail about the methodology behind co2.js and resources for designing/building a better web. They have been very helpful in our understanding of current web site carbon calculators. Our initial view is that we should also be thinking about taking a critical view on UX - unnecessary features, functionality and take into consideration grid carbon intensity and making applications more carbon aware. (Look out for a future blog in the series in this area).
+
+It's also worth noting that Tim Frick of Mightbytes is also the author of the O'Reilly book Designing for Sustainability and Mightbytes created [Ecograder](https://ecograder.com/) one of the most comprehensive web carbon calculators we've come across so far.
+
+**ClimateAction.tech:**
+
+[ClimateAction.tech](https://ClimateAction.tech/) brings together the tech community to take action against climate change. This global non-profit runs hackathons, workshops, and other events to foster collaboration on climate solutions.
+
+It has working groups on topics like cleantech, sustainable digital infrastructure, and green IT education. ClimateAction.tech aims to accelerate sustainability progress by mobilising tech talent and connecting key stakeholders. One of the most valuable things they run is their slack channel (open to all) which is helpful for networking and finding the latest resources that those in the wider community are sharing.
+
+**Sustainable Digital Infrastructure Alliance:**
+
+On the infrastructure side, the [Sustainable Digital Infrastructure Alliance](https://sdialliance.org/) (SDIA) is advancing sustainability in data centres and internet architecture. This European association has members ranging from research institutions to big tech companies.
+
+SDIA provides analysis and policy recommendations on topics like data centre energy efficiency, circular economy practices, and low-carbon cloud infrastructure. It acts as a central voice on sustainable digital infrastructure for the European Commission and other policymakers. They produce useful publications if you want insights into on premise / data centre considerations: [https://sdialliance.org/our-publications/](https://sdialliance.org/our-publications/)
+
+**CNCF TAG Environmental Sustainability**
+
+A [Technical Advisory group focusing on Sustainability](https://tag-env-sustainability.cncf.io/) that is run by the [Cloud Native Computing Foundation](https://www.cncf.io/). Part of the [Linux Foundation](https://www.linuxfoundation.org/) (of which Scott Logic is a member) centring their efforts around open source technologies within the cloud native landscape.
+
+They hold [open fortnightly meetings](https://tag-env-sustainability.cncf.io/about/working-groups/) where they discuss a variety of topics. Previous topics include: discussion on GSF's Impact Engine and demos of various other sustainability focused tools.
+
+**BCS Green IT Specialist Group:**
+
+Being organised by the [British Computer Society](https://www.bcs.org/) this one has a UK focus: the [BCS Green IT Specialist Group](https://www.bcs.org/membership-and-registrations/member-communities/green-it-specialist-group/) promotes sustainability within IT and advocates for reducing technology's environmental impacts. This team of volunteers runs talks, continuing professional development training, and networking events to bring together green IT professionals.
+
+It also participates in consultations for developing regulations around topics like electronic waste and energy efficiency. The BCS Green IT SG aims to make sustainability a central part of technology practice and policy in the UK.
+
+**Government Digital Sustainability Alliance:**
+
+The [Government Digital Sustainability Alliance](https://sustainableict.blog.gov.uk/welcome-to-the-government-digital-sustainability-alliance/) (GDSA) focuses on bringing sustainability best practices to digital services and procurement for the UK government. It's a partnership between the government and its digital suppliers.
+
+"The overall main purpose of GDSA is promoting and progressing knowledge, and capabilities to deliver sustainable digital data and technology across UK Government and their suppliers.
+ GDSA collects, shares, and demonstrates best practice aligned to Defra and the UK Government's sustainability commitments. GDSA feeds recommendations into updates and the creation of policy and strategy.
+
+GDSA is a collaborative working group from existing or prospective digital and data suppliers to the UK Government working in partnership with members that includes businesses of all sizes."
+
+**Industry Standards Bodies**
+
+Industry standards bodies such as The Open Group are also working on sustainability standards and best practices for technology. The Open Group Sustainability Work Group has developed guides for topics like sustainable software and sustainable architectures. It aims to create standards that technology vendors and purchasers can adopt to drive sustainability across the IT ecosystem.
+
+Other standards bodies like ETSI, ISO, and ITU are also addressing sustainability within their respective technology domains.
+
+**Major Cloud Providers and Tech Companies**
+
+Many of the largest cloud computing providers and technology companies are also taking steps to reduce their environmental footprints.
+
+Microsoft has set goals to be carbon negative by 2030 and remove all historical emissions by 2050. It is focused on renewable energy procurement, energy efficiency, and carbon removal.
+
+Amazon Web Services, the largest cloud provider, aims to reach 100% renewable energy across its data centres by 2025 and reach net-zero carbon emissions by 2040. It also provides customers with tools to track and reduce their carbon footprints.
+
+Google claims to have matched its annual electricity consumption with 100% renewable energy since 2017 and is working towards 24/7 carbon-free energy. It also provides a carbon emissions dashboard for Google Cloud customers.
+
+Apple has pledged to become 100% carbon neutral across its supply chain and products by 2030. Its new M1 chips demonstrate performance gains that come with energy efficiency benefits.[It also recently released a somewhat divisive mother earth video on the topic of how Apple is performing on sustainability.](https://www.thedrum.com/opinion/2023/09/14/what-mother-nature-would-really-make-apple-and-the-iphone-15)
+
+Tech companies hold a huge sway over the future of sustainable computing. By improving their own operations and providing customers with tools to reduce footprints, they can significantly move the needle on sustainability. As customers of these services we need to keep holding them to account and push for further transparency and progress on sustainability. Particularly as their business and operating models (including built in obsolescence) can be a source of conflict with holistic sustainability.
+
+All of the cloud providers mentioned above have started to produce useful resources on sustainability in the cloud aimed at helping their customers reduce the environmental impact of their operational cloud usage. Advice ranges from effective region selection to improving data classification policies, but it should be noted the advice focusses on operational carbon and doesn't tend to talk more about embodied and full lifecycle considerations. You can read more on the topic of [Cloud Carbon footprint in this recent blog by Darren Smith](https://blog.scottlogic.com/2023/10/19/tools-for-measuring-cloud-carbon-emissions.html).
+
+**Governing bodies**
+
+Not just private companies inform, steer and influence the computing industry. Governing and standards bodies (such as ISO, ITU etc) also have a big impact by regulating the industry we work in. You can choose to follow the opinions of private companies or switch providers but with the ability to introduce laws, the words of governing bodies are very impactful to the computing industry. Being aware and up to date with the current and upcoming regulations means that we adhere to these agreed laws and can plan and adapt to the future of the computing industry.
+
+**UK Government**
+
+The U.K.'s commitment to be net zero by 2050 requires some drastic policy changes. The tech industry has previously been held up as the solution and so new policies have ignored the tech industry but now the government is becoming more aware that the industry is also part of the problem. This means that the tech industry will start being held more accountable for it's environmental impact. We are keeping a watchful eye for future UK regulation in this space.
+
+**European Union**
+
+With some of the highest environmental standards in the world it's not surprising that there are some significant changes on the horizon to help even out the playing field with non-EU countries. The Carbon Border Adjustment Mechanism will do just that and will eventually apply to computing services. If your business operates across the E.U. border then you may be forced to report and charged a heavy tax on the carbon emissions of your imported goods and services.
+
+We plan to talk more about standards and relevant regulation in a future edition of this blog series.
+
+**Conclusion:**
+
+As you can see there are plenty of places where you can build out your network, find information and share ideas. Sadly there isn't always alignment between all these different groups - partly as this is still relatively new, a lot of this falls under GHG scope 3 (which is more of a voluntary area of the GHG reporting protocol and therefore aren't agreed to global standards). This is probably one of the big reasons why getting a trusted independent partner that has done its homework and isn't afraid to challenge hype and greenwash is so valuable. If you could use help in this area (or would like to collaborate on this work) please do get in touch.
+
+Scott Logic is committed to Open Source and Open Standards and as far as practically possible we will contribute back our learning and research in this space to many of the independent organisations listed. Why? We don't believe in hoarding this information (the topic is bigger than one organisation) and there is value in being transparent and as a relatively small organisation we benefit more from collaborating with the community than trying to do this alone.
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-
-But it’s not easy to describe an image in code. So often, we look to some technical implementation detail to make our test work. By this, I mean that we would target something technical like an id attribute: `id="progress-save-btn"`. While this works, it doesn’t mean anything to a user. How often are you browsing a web page thinking about what id all the elements have? When a user intends to save their progress, they click the floppy disk button. So, if we are going to Test with Intent, our tests should behave in the way a user behaves. Our tests should also click the floppy disk button.
-
-These are the same challenges that the tools for accessibility also face. How does someone using a screen reader know to click the floppy disk button? Fortunately, we already have mature technologies that are designed to solve this. [Semantic HTML](https://web.dev/learn/html/semantic-html/) and [ARIA roles & attributes](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA) encode context, intention and structure in ways that can be consumed programmatically. By including them in our websites, we assist the tools that people with impairments rely on to access the web.
-
-Now here’s the trick: we can use those very same technologies to assist our automated tests. By targeting these accessible descriptions, we make our tests behave like users. Gone are any technical implementation details. Our tests start to read like a user interacting with the product. They now capture the intentions of a user.
-
-~~~js
-it('should save the current progress', async () => {
- render()
- //...
- const saveBtn = await menu.findByRole('button', { name: 'Save Progress' });
- userEvent.click(saveBtn);
- //...
-});
-~~~
-*Clicking a save button in the style of Testing with Intent. Note that, while the above may look technical, the role ‘button’ and the name ‘Save Progress’ are both accessible descriptors rather than implementation details.*
-
-## Testing with Intent is great for tests
-Before we get to those accessibility barriers, I think it’s important to highlight that adopting these techniques is great for our tests.
-
-Testing is all about giving ourselves confidence that the code we are releasing works. On the one hand, we could invest a lot of time and effort into being 100% certain that our changes work. But that's not the best choice because getting that confidence would take a lot of time and effort. So, instead, we look for the sweet spot where we are really confident in our code, but it hasn't cost the earth to get there. All that extra saved effort can be invested into the product in other ways. So, tests that give a lot of confidence but take relatively little effort are great tests. This is the case when we Test with Intent and describe that intent through accessibility.
-
-[Stepping away from testing technical implementation details is a good thing](https://kentcdodds.com/blog/testing-implementation-details). It's possible to cover a lot of ground with only a few tests, so we can get a lot of confidence for the effort we put in. Also, as the tests interact with our app in the same way as a user would, they break when something changes for our users. That's the sort of failure we want—the app no longer functions in the expected way for a user.
-
-This, in turn, gives the team the confidence to make wider technical changes. They can, for example, complete a technical refactor without having to touch these tests. Then the tests run and, hopefully, say, "All good! The app functions the same for the user." No longer does a small technical change break a load of tests, which in turn need to be rewritten. Instead, the tests are more resilient in a way that simplifies technical changes. When a team isn't weighed down by tests that break for the wrong reasons, they are free to be bolder in their work and deliver faster. This is especially true when they need to tackle more complex tasks.
-
-For me this is a key benefit. If you adopt Testing with Intent, you’ll be reaping benefits in your automated test suite. I think that this value alone is enough to justify Testing with Intent’s adoption. That’s before you even consider adding accessibility into the mix. So, if you look at it from that angle, you can get a bonus here if you also start to address accessibility. It’s pretty awesome that you get to tackle two issues from one investment.
-
-## Two for the price of one: Good Tests + Addressing the Accessibility Barriers
-
-So how does adopting these techniques address the two barriers—accessibility as a feature and a skills gap—described above?
-
-Describing intent using techniques for accessibility enables us to start tackling the skills gap. Through it, we create those small, achievable learning opportunities for our technical teams. These opportunities start to come up during the course of day-to-day work. To highlight this, I’ll turn to an example of one such opportunity that came up for me.
-
-While writing a test, I found myself asking which role our app’s sidebar should have. It didn’t take long to scan the [list of roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles) to find [the answer](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/navigation_role), and, what’s more, I learnt about [landmark roles](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles#3._landmark_roles) along the way. Using my new knowledge, I replaced the sidebar’s `div` element with `nav`, which directly improved the app's accessibility. Learning while you work really is a powerful way of closing the skills gap.
-
-Starting to tackle accessibility also no longer needs to be considered as a future feature. (Unless you consider your tests a feature, and I think you likely have bigger problems if that’s the case!) You will start to tackle accessibility as soon as you start writing tests, and you should be writing tests for every feature. So, you are tackling accessibility from day one.
-
-Don’t get me wrong, this is not a silver bullet that will produce perfect accessibility in your apps. Think of it more like a starting place that will build a team’s skill set and also improve the app’s accessibility. Other work will be necessary to further improve accessibility. But you’ll have broken down barriers to starting that work: your team becomes more skilled and you don't need to start from scratch. This is an incredibly cost-effective way of approaching the issue. It’s certainly cheaper than retrofitting accessible designs into an application.
-
-For me, the way that these barriers have been broken down is the most powerful change here. It brings working on accessibility within the reach of delivery teams, and that’s a step towards building a more equal society.
-
-## On the path to Embedded Accessibility
-So, we’ve explored a couple of barriers to embedding accessibility, and how Testing with Intent helps us to break down those barriers. We’ve also seen how Testing with Intent is great for tests. So, adopting Testing with Intent improves your tests, and gives you the bonus of a step towards Embedded Accessibility.
-
-There is also, of course, a lot more to Embedded Accessibility. The techniques described in this post aren’t going to be enough just on their own. For example, you probably should consider accessibility in your “Definition of Ready” and “Definition of Done”. I also think we have a way to go before we have a clear and well understood picture of what Embedded Accessibility is. But it’s important not to let the perfect be the enemy of the good. We shouldn’t hold back from good, pragmatic, incremental change simply because it doesn’t give a perfect result. As an industry, we have an accessibility journey to go on, and there are many steps in the journey.
-
-Some teams may have already made good progress on that journey. This can be particularly true for government projects, where the legal requirements are more stringent. For these teams, adopting Testing with Intent can complement existing practices and processes. For many teams, adopting these approaches would be an important first step in tackling the issue. In any case, Testing with Intent is a useful tool for tackling accessibility, as well as a helpful step towards Embedded Accessibility.
-
-If you’re interested in how this works in practice, you may want to look at my follow-up post about the [Technical Side of Testing with Intent]({{ site.github.url }}/2023/11/06/testing-with-intent-a-technical-view.html).
-
-Finally, I’d like to give a massive shout out to Jim Light. We developed these principles and practices while working on a project together. Time got the better of us, and we weren’t able to collaborate on writing these posts together. But he certainly had a big influence on the formation of these ideas. Also, a massive thank you to everyone who gave their time to help me shape these posts!
diff --git a/_posts/2023-11-06-testing-with-intent-a-technical-view.md b/_posts/2023-11-06-testing-with-intent-a-technical-view.md
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----
-title: "Testing with Intent: a Technical View"
-date: 2023-11-06 09:55:00 Z
-categories:
-- Tech
-layout: default_post
-tags:
-- Testing
-- Testing Library
-- Automation Testing
-- Testing with Intent
-- Accessibility
-- Embedded Accessibility
-summary: "In my previous post, I introduced and approach to testing called Testing with Intent. Essentially, the approach focuses on testing from the perspective of a user intending to do something. Adopting this approach brings you benefits in both your test suites and your products accessibility. That post discussed why the topic is important and how you can benefit if you adopt it. Now, it’s time to look at the technical side of how this actually works in practice. "
-author: sgladstone
----
-In [my first post]({{ site.github.url }}/2023/11/06/testing-with-intent-a-path-to-embedded-accessibility.html), I set out why I think we should be *Testing with Intent*. I set out that, if we focus our tests on the intentions of users, we can improve our test suites and start to tackle accessibility. To keep the content accessible to everyone, I chose to not include anything technical. Now, in this post, I’m going to look at the same subject but through a technical lens.
-
-The essence of this whole approach to testing can be boiled down to one simple golden rule: “Wherever possible, use `queryByRole`". We’ll take a look at what we mean by this rule, and start to unpack its consequences.
-
-Those consequences themselves are far reaching. The rule will help direct you to write better tests. The rule will directly improve your web app’s accessibility. The rule will help your team to upskill in accessibility. It’s simple, but it’s powerful.
-
-So, adopting these principles is win-win for a team. With one technique, with one investment, you get better tests, and you get the bonus of tackling accessibility. But how does it work?
-
-## What is Testing with Intent?
-Testing with Intent is a testing philosophy that is closely related to the [Guiding Principles of Testing Library](https://testing-library.com/docs/guiding-principles). At a high level, it can be summarised by the following statement:
-
-