feat(mongo): enhance EventStore with transaction hooks and detailed c…

…omments

.docker/mongo-test.yml

@@ -45,6 +45,7 @@ services:
       dockerfile: .docker/tag-test.Dockerfile
       args:
         TAGS: mongo
+        TEST_PATH: ./backend/mongo/...
     environment:
       - MONGOSTORE_URL=mongodb://mongostore:27017
       - MONGOREPLSTORE_URL=mongodb://mongostore_replicaset:27017

.docker/tag-test.Dockerfile

@@ -1,8 +1,10 @@
 FROM golang:1.18
 ARG TAGS
+ARG TEST_PATH=./...
 ENV TAGS $TAGS
+ENV TEST_PATH $TEST_PATH
 WORKDIR /test
 COPY go.mod go.sum /test/
 RUN go mod download
 COPY . .
-CMD go test -v -tags=$TAGS ./...
+CMD go test -v -tags=$TAGS $TEST_PATH

.github/workflows/test.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     if: |
       !startsWith(github.event.head_commit.message, 'docs') &&

Makefile

@@ -1,6 +1,5 @@
 .PHONY: docs
 docs:
-	@./scripts/clear.sh
 	@./scripts/docs.sh
 
 .PHONY: generate

backend/mongo/mongotest/test.go

@@ -13,14 +13,21 @@ import (
 // Option that ensures a unique database name for every call to NewEventStore
 // during the current process.
 func NewEventStore(enc codec.Encoding, opts ...mongo.EventStoreOption) *mongo.EventStore {
+	return mongo.NewEventStore(enc, append(
+		[]mongo.EventStoreOption{mongo.Database(UniqueName("event_"))},
+		opts...,
+	)...)
+}
+
+// UniqueName generates a unique string by appending a random hexadecimal
+// string to the provided prefix. The generated string is intended for use as a
+// unique identifier in database names. If there's an error in reading from the
+// random source, the function will panic.
+func UniqueName(prefix string) string {
 	b := make([]byte, 8)
 	if _, err := rand.Read(b); err != nil {
 		panic(err)
 	}
 	id := hex.EncodeToString(b)
-
-	return mongo.NewEventStore(enc, append(
-		[]mongo.EventStoreOption{mongo.Database(fmt.Sprintf("event_%s", id))},
-		opts...,
-	)...)
+	return fmt.Sprintf("%s%s", prefix, id)
 }