feat(core): add coretest package (#20487)

Co-authored-by: unknown unknown <unknown@unknown>

.github/dependabot.yml

@@ -61,6 +61,15 @@ updates:
     labels:
       - "A:automerge"
       - dependencies
+  - package-ecosystem: gomod
+    directory: "/core/testing"
+    schedule:
+      interval: weekly
+      day: thursday
+      time: "01:30"
+    labels:
+      - "A:automerge"
+      - dependencies
   - package-ecosystem: gomod
     directory: "/depinject"
     schedule:

.github/pr_labeler.yml

@@ -16,6 +16,8 @@
   - store/**/*
 "C:collections":
   - collections/**/*
+"C:core/testing":
+  - core/testing/**/*
 "C:log":
   - log/*
 "C:orm":

.github/workflows/test.yml

@@ -335,6 +335,36 @@ jobs:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         with:
           projectBaseDir: core/
+  test-coretesting:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.20"
+          check-latest: true
+          cache: true
+          cache-dependency-path: core/testing/go.sum
+      - uses: technote-space/[email protected]
+        id: git_diff
+        with:
+          PATTERNS: |
+            core/testing/**/*.go
+            core/testing/go.mod
+            core/testing/go.sum
+      - name: tests
+        if: env.GIT_DIFF
+        run: |
+          cd core/testing
+          go test -mod=readonly -timeout 30m -coverprofile=coverage.out -covermode=atomic -tags='norace ledger test_ledger_mock' ./...
+      - name: sonarcloud
+        if: ${{ env.GIT_DIFF && !github.event.pull_request.draft && env.SONAR_TOKEN != null }}
+        uses: SonarSource/sonarcloud-github-action@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        with:
+          projectBaseDir: core/testing/
 
   test-depinject:
     runs-on: ubuntu-latest

client/v2/go.mod

@@ -177,6 +177,7 @@ replace github.com/cosmos/cosmos-sdk => ./../../
 replace (
 	cosmossdk.io/api => ./../../api
 	cosmossdk.io/core => ./../../core
+	cosmossdk.io/core/testing => ../../core/testing
 	cosmossdk.io/depinject => ./../../depinject
 	cosmossdk.io/log => ./../../log
 	cosmossdk.io/store => ./../../store

collections/collections_test.go

@@ -5,49 +5,16 @@ import (
 	"math"
 	"testing"
 
-	db "github.com/cosmos/cosmos-db"
 	"github.com/stretchr/testify/require"
 
 	"cosmossdk.io/core/store"
+	"cosmossdk.io/core/testing"
 )
 
-type testStore struct {
-	db db.DB
-}
-
-func (t testStore) OpenKVStore(ctx context.Context) store.KVStore {
-	return t
-}
-
-func (t testStore) Get(key []byte) ([]byte, error) {
-	return t.db.Get(key)
-}
-
-func (t testStore) Has(key []byte) (bool, error) {
-	return t.db.Has(key)
-}
-
-func (t testStore) Set(key, value []byte) error {
-	return t.db.Set(key, value)
-}
-
-func (t testStore) Delete(key []byte) error {
-	return t.db.Delete(key)
-}
-
-func (t testStore) Iterator(start, end []byte) (store.Iterator, error) {
-	return t.db.Iterator(start, end)
-}
-
-func (t testStore) ReverseIterator(start, end []byte) (store.Iterator, error) {
-	return t.db.ReverseIterator(start, end)
-}
-
-var _ store.KVStore = testStore{}
-
 func deps() (store.KVStoreService, context.Context) {
-	kv := db.NewMemDB()
-	return &testStore{kv}, context.Background()
+	ctx := coretesting.Context()
+	kv := coretesting.KVStoreService(ctx, "test")
+	return kv, ctx
 }
 
 func TestPrefix(t *testing.T) {

collections/go.mod

@@ -3,44 +3,19 @@ module cosmossdk.io/collections
 go 1.21
 
 require (
-	cosmossdk.io/core v0.11.0
-	github.com/cosmos/cosmos-db v1.0.2
+	cosmossdk.io/core v0.12.0
+	cosmossdk.io/core/testing v0.0.0-00010101000000-000000000000
 	github.com/stretchr/testify v1.9.0
 	pgregory.net/rapid v1.1.0
 )
 
 require (
-	cosmossdk.io/api v0.7.5 // indirect
-	cosmossdk.io/depinject v1.0.0-alpha.4 // indirect
-	github.com/DataDog/zstd v1.5.5 // indirect
-	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/cockroachdb/errors v1.11.1 // indirect
-	github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b // indirect
-	github.com/cockroachdb/pebble v1.1.0 // indirect
-	github.com/cockroachdb/redact v1.1.5 // indirect
-	github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 // indirect
-	github.com/cosmos/cosmos-proto v1.0.0-beta.5 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
-	github.com/getsentry/sentry-go v0.27.0 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/btree v1.1.2 // indirect
-	github.com/klauspost/compress v1.17.7 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
-	github.com/kr/text v0.2.0 // indirect
-	github.com/linxGnu/grocksdb v1.8.14 // indirect
-	github.com/onsi/gomega v1.20.0 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
+	github.com/cosmos/gogoproto v1.4.12 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.19.1 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.54.0 // indirect
-	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
-	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
+	github.com/tidwall/btree v1.7.0 // indirect
 	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225 // indirect
 	golang.org/x/net v0.25.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect
@@ -50,3 +25,8 @@ require (
 	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
+
+replace (
+	cosmossdk.io/core => ../core
+	cosmossdk.io/core/testing => ../core/testing
+)