Example: memory store for testing and prototyping #30

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opened 2026-02-19 22:28:40 +00:00 by ash · 2 comments

ash commented

2026-02-19 22:28:40 +00:00

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What

Minimal example using in-memory store. For tests, prototypes, and learning.

Must Demonstrate

All 3 event modeling patterns in minimal code
In-process CommandBus
In-memory projections
TodoList automation
Given/When/Then test DSL
How to write tests for your deciders
How to swap stores (memory → SQLite → Postgres → NATS) by changing one line

Why

This is the "learn eskit in 5 minutes" example. Zero infrastructure. go test ./... and see everything work.

## What Minimal example using in-memory store. For tests, prototypes, and learning. ## Must Demonstrate - All 3 event modeling patterns in minimal code - In-process CommandBus - In-memory projections - TodoList automation - Given/When/Then test DSL - How to write tests for your deciders - How to swap stores (memory → SQLite → Postgres → NATS) by changing one line ## Why This is the "learn eskit in 5 minutes" example. Zero infrastructure. `go test ./...` and see everything work.

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2026-02-19 22:28:40 +00:00

ash referenced this issue from a commit

2026-02-20 08:15:21 +00:00

feat: add subscription.StoreAdapter to bridge store→subscription type gap

ash commented

2026-02-20 08:15:35 +00:00

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Implemented in commit 0b50908. Full working examples with end-to-end flow tested (HTTP → CommandBus → Decider → Store → Subscription → Projection → HTTP query).

Also fixed library gap: added subscription.StoreAdapter and pgstore.SubscriptionAdapter to bridge the type mismatch between store Event[E] and subscription GlobalEvent[E].

Implemented in commit 0b50908. Full working examples with end-to-end flow tested (HTTP → CommandBus → Decider → Store → Subscription → Projection → HTTP query). Also fixed library gap: added subscription.StoreAdapter and pgstore.SubscriptionAdapter to bridge the type mismatch between store Event[E] and subscription GlobalEvent[E].

ash closed this issue

2026-02-20 08:15:35 +00:00

ash commented

2026-02-20 08:15:41 +00:00

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Implemented. Full end-to-end flow tested.