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Example of testing Go code with Postgres
The example suggests a solution to the problem of cleaning the database after running tests and the problem of running tests in parallel. It also shows how to organize integration testing of Go code with Postgres.
What's interesting here?
- Example of docker-compose.yml with multiple databases and automated migrations.
- Example of test database connection management in testingpg package.
- Example of integration tests.
- And example of GitHub Actions and Gitlab CI.
Generating human-readable database names from t.Name() to simplifying problem investigation.
The last 8 characters are a short unique identifier needed to prevent name collision, its necessary
because the maximum length of the name is 63 bytes, and the name must be unique.
TestNewPostgres-Changes-are-not-visible-in-different-inWirPQD7J
TestNewPostgres-Changes-are-not-visible-in-different-ineYp0ljjI
TestNewPostgres-Successfully-connect-by-URL-and-get-verzGq4pGza
TestNewPostgres-Successfully-obtained-a-version-using-a20YgZaMf
TestNewPostgres-URL-is-different-at-different-instancesIMDkJgoP
TestNewPostgres-URL-is-different-at-different-instancesjtSsjPR5
TestUserRepository-CreateUser-Cannot-create-a-user-withmgmHFdZe
TestUserRepository-CreateUser-Successfully-created-a-UspTBGNltW
TestUserRepository-ReadUser-Get-an-error-if-the-user-doRqS1GvYh
How to use
Run make test-env-up test and then everything will happen by itself.
Disclaimer
This example is not an example of software architecture!