pgsql-test

pgsql-test offers isolated, role-aware, and rollback-friendly PostgreSQL environments for integration tests — giving developers realistic test coverage without external state pollution
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postgrespostgresqltestingintegration-testsdatabase-testingpgrlsrole-based-accesstest-databasetest-runnerjestmochasqitchlaunchqlgraphiletypeormknexseedfixturestransactionsrollbacknode-postgrespg-poolpg-client

portable-mongodb

A fully portable MongoDB server for Node.js that runs without requiring separate MongoDB installation.
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mongodbmongoportable-mongodbmongodb-portablenodejsmongodb-databasein-memory-databasemongodb-memory-servermock-databasetest-databasedatabase-testingmongodb-testingmongo-embeddednode-mongodbmock-mongodbmongodb-integrationlightweight-databasetesting-toolsci-cdautomated-testing