Question: How do I test Flyway migration?

How do I test Flyway migrations?


  1. take a backup and create a Spawn data image from it.
  2. spin up a database from that data image in a CI pipeline.
  3. automate running flyway migrate to test latest migrations against a copy of production.
  4. automate scheduling image creation so tests are always run against the latest database.

How do I test migration scripts?

Test migration against an empty schema

  1. Install Spawn.
  2. Create an empty spawn data-image.
  3. Create spawn data-container from image.
  4. Run flyway migrations against that data-container.
  5. Delete the data-container.

How do I run a Flyway migration?

You can create MySQL, MSSQL and PostgreSQL databases with Spawn that will work with Flyway.


  1. install the Flyway Command-line tool and Spawn.
  2. configure it so it can talk to our Spawn database.
  3. write our first couple of migrations.

Are Flyway migrations transactional?

Transactions. By default, Flyway always wraps the execution of an entire migration within a single transaction. … By default transactional and non-transactional statements cannot be mixed within a migration run. You can however allow this by setting the mixed property to true .

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Why do we use Flyway?

Flyway is an open-source tool, licensed under Apache License 2.0, that helps you implement automated and version-based database migrations. It allows you to define the required update operations in an SQL script or as Java code.

Why do we need database migrations?

Migrations are helpful because they allow database schemas to evolve as requirements change. They help developers plan, validate, and safely apply schema changes to their environments.

What are the three data migration tools available?

Cloud-based data migration tools

  • Alooma.
  • Fivetran.
  • Matillion.
  • Snaplogic.
  • Stitch Data.

Who does black box testing?

Black-box testing is a method of software testing that examines the functionality of an application based on the specifications. It is also known as Specifications based testing. Independent Testing Team usually performs this type of testing during the software testing life cycle.

What are the challenges of data migration?

8 Hurdles of a Data Migration

  • Poor Knowledge of Source Data. …
  • Underestimating Data Analysis. …
  • Lack of Integrated Processes. …
  • Failure to Validate the Implementation. …
  • Late Evaluation of the Final Results. …
  • Lack of Collaboration. …
  • Inappropriate use of Expertise.

What is Flyway migrate?

Flyway is an open-source database migration tool. It strongly favors simplicity and convention over configuration. It is based around just 7 basic commands: Migrate, Clean, Info, Validate, Undo, Baseline and Repair. It has a Command-line client. …

What is DB migration in spring boot?

For each version, you provide the required steps to migrate your database from the previous to the new version. … Using Flyway or Liquibase, you can then automatically apply the required migration steps to update your database from any version to the current version.

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Does Flyway require Java?

All you need is Java 7+ and your Jdbc driver and you’re good to go!

Does Flyway lock database?

Flyway uses the locking technology of your database to coordinate multiple nodes. This ensures that even if multiple instances of your application attempt to migrate the database at the same time, it still works.

Does Flyway run in a transaction?

By default, Flyway always wraps the execution of an entire migration within a single transaction. … Note that this is only applicable for PostgreSQL, Aurora PostgreSQL, SQL Server and SQLite which all have statements that do not run at all within a transaction.

What does Flyway baseline do?

Baselines an existing database, excluding all migrations up to and including baselineVersion. Baseline is for introducing Flyway to existing databases by baselining them at a specific version. This will cause Migrate to ignore all migrations up to and including the baseline version.

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