Understanding migration development in Drupal 8: Strategies and tools to see what's happening
summary
Covers concrete, repeatable migration steps: scaffolding a custom migration module, mapping Drupal 7 source fields to Drupal 8 destinations, and iterating with Drush Migrate Import (mim) and config_devel to reload YAML quickly. Shows debugging with a simple custom debug process plugin and Xdebug breakpoints, using Behat tests with Palantir Behat extension to assert migrated content, and options for relationship handling (dependencies vs stubs) plus tagging content for manual cleanup.
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chapters (11)
- 0:00Introduction
- 1:47Overview
- 4:04Automated testing
- 6:22Building the module
- 9:30Migration configuration
- 11:05Migration destination
- 14:37Running migration
- 17:05Understanding destination and source
- 20:39Process plugins
- 22:22Managing relationships
- 24:44Questions
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