tck/me.ahoo.wow.tck.snapshot/SnapshotStoreSpec

SnapshotStoreSpec

abstract class SnapshotStoreSpec

The SnapshotStore contract (documentation/designs/03-log-and-snapshot.md §3) every backend passes. A backend's test extends it and supplies a fresh, empty store from createStore.

Inheritors

Constructors

SnapshotStoreSpec

constructor()

Functions

a batch clears a stale mark up to each snapshot's version

@Test

fun a batch clears a stale mark up to each snapshot's version()

a batch holding a ref more than once saves its snapshots in order

@Test

fun a batch holding a ref more than once saves its snapshots in order()

a batch saves each snapshot as save would

@Test

fun a batch saves each snapshot as save would()

a claim raises the revision, and lowers it only for a rollback

@Test

fun a claim raises the revision, and lowers it only for a rollback()

a lower state revision never replaces a higher one but marks it stale

@Test

fun a lower state revision never replaces a higher one but marks it stale()

a ref without a snapshot loads null

@Test

fun a ref without a snapshot loads null()

a rewrite replaces the same version or a lower one whatever the revision

@Test

fun a rewrite replaces the same version or a lower one whatever the revision()

a snapshot a batch fails to save fails alone

@Test

fun a snapshot a batch fails to save fails alone()

a snapshot loads back as saved

@Test

fun a snapshot loads back as saved()

a stale mark keeps a snapshot pending until a rewrite reaches its version

@Test

fun a stale mark keeps a snapshot pending until a rewrite reaches its version()

a state with a NUL character loads back as saved, or is refused as a value

@Test

fun a state with a NUL character loads back as saved, or is refused as a value()

a table's first claim records it at the revision, not yet backfilled

@Test

fun a table's first claim records it at the revision, not yet backfilled()

absent access facts and the deleted mark load back as saved

@Test

fun absent access facts and the deleted mark load back as saved()

an empty batch saves nothing

@Test

fun an empty batch saves nothing()

concurrent batches and saves leave the highest version of each ref

@Test

fun concurrent batches and saves leave the highest version of each ref()

concurrent claims leave one revision

@Test

fun concurrent claims leave one revision()

concurrent saves of different versions leave the highest

@Test

fun concurrent saves of different versions leave the highest()

only a higher version replaces a snapshot

@Test

fun only a higher version replaces a snapshot()

pending snapshots come in key order, page by page, of one type

@Test

fun pending snapshots come in key order, page by page, of one type()

state numbers in exponent form load back with their value

@Test

fun state numbers in exponent form load back with their value()

state numbers load back exactly as saved

@Test

fun state numbers load back exactly as saved()

the state revision loads back as saved

@Test

fun the state revision loads back as saved()

two tenants and two aggregates may use the same id

@Test

fun two tenants and two aggregates may use the same id()