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feat(docs): updated testing docs

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minhtrannhat 2024-05-04 15:43:24 -04:00
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@ -10,3 +10,40 @@
- Each test has to be marked `#[tokio::test]`.
- This macro will build a new async runtime for that one test.
- By calling `spawn_app()`, we will get a API HttpServer running for the entire duration of the single test that the macro above belongs to.
## Databases and Testing
Every module level integration test we run, we spin up a new logical database with the name generate by `Uuid` crate.
This is easy and cheap, the database only lives in docker and therefore, we don't have to worry much about data size ballooning.
Example when running `\l`
```
psql postgres://postgres:password@localhost:5432
psql (16.2)
Type "help" for help.
postgres=# \l
List of databases
Name | Owner | Encoding | Locale Provider | Collate | Ctype | ICU Locale | ICU Rules | Access privileges
--------------------------------------+----------+----------+-----------------+------------+------------+------------+-----------+-----------------------
1e644722-ccfe-4573-9caa-2477c6a4ba43 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
2ecfa7a7-5365-42a4-8b06-1bba0a7f21a8 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
5a783f04-00d6-491d-a47d-e8821ab75426 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
941446de-a9a2-40b9-b9b4-e9905084eab8 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
a60cf099-5f6c-4a6c-8179-7ed8e1c910cd | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
c9924d51-5585-4a1c-81b0-43e96fb67c16 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
d4135928-eac5-47dd-8497-9268ea5a68c6 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
e8406e27-80b5-47cb-8170-e3bced578c68 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
f13ca340-888e-4e3c-a560-9e9c7f99e50e | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
newsletter | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
postgres | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
template0 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
(13 rows)
postgres=#
```