Struct ShadowDatabase 

pub struct ShadowDatabase { /* private fields */ }

A shadow database instance for testing migrations.

Implementations

impl ShadowDatabase

pub fn new(config: ShadowConfig) -> Self

Create a new shadow database manager.

pub fn name(&self) -> &str

Get the shadow database name.

pub fn url(&self) -> String

Get the full connection URL for this shadow database.

pub fn state(&self) -> ShadowState

Get the current state.

pub fn applied_migrations(&self) -> &[String]

Get list of applied migrations.

pub async fn create(&mut self) -> MigrateResult<String>

Create the shadow database.

This creates an empty database that can be used for migration testing.

pub fn create_sql(&self) -> String

Generate the SQL to create this shadow database.

pub fn drop_sql(&self) -> String

Generate the SQL to drop this shadow database.

pub async fn apply_migration( &mut self, migration: &MigrationFile, ) -> MigrateResult<()>

Apply a migration to the shadow database.

pub async fn apply_migrations( &mut self, migrations: &[MigrationFile], ) -> MigrateResult<()>

Apply multiple migrations to the shadow database.

pub fn is_ready_for_introspection(&self) -> bool

Check if the shadow database is ready for introspection.

The actual introspection should be done through a concrete Introspector implementation connected to this shadow database’s URL.

pub fn verify_schema_sql(&self, table_name: &str) -> String

Get SQL to verify the shadow database schema matches expected structure.

This can be used to validate migrations before applying to production.

pub async fn reset(&mut self) -> MigrateResult<()>

Reset the shadow database (drop and recreate).

pub async fn drop(&mut self) -> MigrateResult<()>

Drop the shadow database.

Trait Implementations

impl Debug for ShadowDatabase

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for ShadowDatabase

fn drop(&mut self)

Executes the destructor for this type.