integresql
SS-Unit
| integresql | SS-Unit | |
|---|---|---|
| 5 | 1 | |
| 710 | 8 | |
| 4.9% | - | |
| 8.9 | 10.0 | |
| 3 months ago | about 4 years ago | |
| Go | TSQL | |
| MIT License | MIT License |
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integresql
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Mock unit test an API that uses postgres or integration test API with a "test" database?
For the case of PostgreSQL I've found IntegreSQL and its Javascript client really helpful because it can create a copy of the database per test case, which it helps to write integration tests with real DB calls.
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Mocking database calls without a library?
Mocking has some advantages, but so does using a real database, at work we use https://github.com/allaboutapps/integresql and I quite like the approach that integresql has, since it makes possible to have a fresh database with your dummy data for every test without impacting the execution speed (compared to dropping an re-creating the database).
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Ask HN: How do you test SQL?
Happy to hear that! When it comes to testing services that depend on PostgreSQL, this is still my preferred solution.
https://github.com/allaboutapps/integresql
disclaimer: author
- IntegreSQL – isolated PostgreSQL databases for integration tests
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Pg_tmp – Run tests on an isolated, temporary PostgreSQL database
I haven't had a change to try it yet, but IntegreSQL[0] looks like this on steroids. It allows you to create a template (runs migrations and seed dates), and then uses Postgres's built in cloning functionality to maintain a pool of fresh databases. They claim 500ms to clone a database without the pool, and that the pool pretty much hides the latency entirely.
[0]: https://github.com/allaboutapps/integresql
SS-Unit
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Ask HN: How do you test SQL?
Back in the mid-noughties I decided to see if I could write SQL in a test-first manner (i.e. TDD). This resulted in me writing a 100% T-SQL based unit testing framework for SQL Server [1] which we then used for the SQL back-end at an investment bank.
On the back on that professional use I wrote a blog post [2] explaining why you might choose to go down this route as it wasn't the way database was developed way back then (SQL wasn't developed in the same way as the other front-end and back-end code).
A few years later I gave a short 20-minute talk (videoed) to show what writing SQL using TDD looked like for me. It's hard to show all the kinds of tests we wrote in practice at the bank but the talk is intended to show how rapid the feedback loop can be using a standard DB query tool and two code windows - production code and tests.
Be kind, it was a long time ago and I'm sure the state of the art has improved a lot in the intervening years :o).
Chris Oldwood
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[1] SQL Server Unit: https://github.com/chrisoldwood/SS-Unit
[2] You Write Your SQL Unit Tests in SQL?: https://chrisoldwood.blogspot.com/2011/04/you-write-your-sql...
[3] Test-Driven SQL: https://www.youtube.com/watch?v=5-MWYKLM3r0
What are some alternatives?
flyway-spawn-demo - CI demo using Flyway and Spawn
dbt-unit-testing - This dbt package contains macros to support unit testing that can be (re)used across dbt projects.
otj-pg-embedded - Java embedded PostgreSQL component for testing
squire
testcontainers-go - Testcontainers for Go is a Go package that makes it simple to create and clean up container-based dependencies for automated integration/smoke tests. The clean, easy-to-use API enables developers to programmatically define containers that should be run as part of a test and clean up those resources when the test is done.
datajudge - Assessing whether data from database complies with reference information.
spawn-demo - Demo application to show how Spawn can be integrated in Development and CI
Flyway - Flyway by Redgate • Database Migrations Made Easy.
entr - Run arbitrary commands when files change
sqlx - 🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
localstripe - A fake but stateful Stripe server that you can run locally, for testing purposes.
graphjin - GraphJin - Build NodeJS / GO APIs in 5 minutes not weeks