From 440f192730a523c632db8ab40fa5ca13d5584fc0 Mon Sep 17 00:00:00 2001
From: Brad Rydzewski <brad.rydzewski@gmail.com>
Date: Mon, 20 May 2019 09:23:26 -0700
Subject: [PATCH] add test case that demonstrates issue #2658

---
 core/batch.go             |  1 +
 go.mod                    |  2 +-
 go.sum                    |  3 ++
 store/batch/batch_test.go | 94 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 99 insertions(+), 1 deletion(-)

diff --git a/core/batch.go b/core/batch.go
index 62228e50..0303fa0f 100644
--- a/core/batch.go
+++ b/core/batch.go
@@ -21,6 +21,7 @@ import "context"
 type Batch struct {
 	Insert []*Repository `json:"insert"`
 	Update []*Repository `json:"update"`
+	Rename []*Repository `json:"rename"`
 	Revoke []*Repository `json:"revoke"`
 }
 
diff --git a/go.mod b/go.mod
index 692235f0..8cb37320 100644
--- a/go.mod
+++ b/go.mod
@@ -15,7 +15,7 @@ require (
 	github.com/docker/distribution v2.7.1+incompatible
 	github.com/docker/go-connections v0.3.0
 	github.com/docker/go-units v0.3.3
-	github.com/drone/drone-go v0.0.0-20190217024616-3e8b71333e59
+	github.com/drone/drone-go v1.0.5-0.20190427184118-618e4496482e
 	github.com/drone/drone-runtime v1.0.6
 	github.com/drone/drone-ui v0.0.0-20190423061913-b758d7bee2eb
 	github.com/drone/drone-yaml v1.0.9-0.20190424150956-115b2ff5f99e
diff --git a/go.sum b/go.sum
index 18355874..23d737a9 100644
--- a/go.sum
+++ b/go.sum
@@ -32,6 +32,9 @@ github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/drone/drone-go v0.0.0-20190217024616-3e8b71333e59 h1:tH7rJBME3tKWunUmqcg6NyyXNVX2vbNpJl7p/p/vX88=
 github.com/drone/drone-go v0.0.0-20190217024616-3e8b71333e59/go.mod h1:qVb1k1w9X5jgoGyLtbnfWNnd4XZfAwokxBmiutbpGqw=
+github.com/drone/drone-go v1.0.4 h1:Yom1lix1Lmk3KmKIsBSQJF1bw0YR2lDGaFQrXxqHMko=
+github.com/drone/drone-go v1.0.5-0.20190427184118-618e4496482e h1:Z9dJNcs1IpyS52xsf5vjXMq7vSuBt48Il2dJgOzyCFM=
+github.com/drone/drone-go v1.0.5-0.20190427184118-618e4496482e/go.mod h1:GxyeGClYohaKNYJv/ZpsmVHtMJ7WhoT+uDaJNcDIrk4=
 github.com/drone/drone-runtime v0.0.0-20190210191445-ad403a0ca24e h1:Eq0QI9lKe6T5pziU/Kes1xX6QKAA6ZfnYvaZZeyY5TU=
 github.com/drone/drone-runtime v0.0.0-20190210191445-ad403a0ca24e/go.mod h1:I+wJO4yvngCUAro6wKjkMbuPPDI/jRynqU0LTW+8J44=
 github.com/drone/drone-runtime v1.0.3 h1:0p7ASt0WXbLZRzMOw20e1ahV3YkamRhtZFkm8UvM+JA=
diff --git a/store/batch/batch_test.go b/store/batch/batch_test.go
index 69aac06e..026ae6db 100644
--- a/store/batch/batch_test.go
+++ b/store/batch/batch_test.go
@@ -43,6 +43,8 @@ func TestBatch(t *testing.T) {
 	t.Run("Update", testBatchUpdate(batcher, repos, perms, user))
 	t.Run("Delete", testBatchDelete(batcher, repos, perms, user))
 	t.Run("DuplicateID", testBatchDuplicateID(batcher, repos, perms, user))
+	t.Run("DuplicateSlug", testBatchDuplicateSlug(batcher, repos, perms, user))
+	t.Run("DuplicateRename", testBatchDuplicateRename(batcher, repos, perms, user))
 }
 
 func testBatchInsert(
@@ -235,6 +237,98 @@ func testBatchDuplicateID(
 	}
 }
 
+// the purpose of this unit test is to understand what happens
+// when a repository is deleted, re-created with the same name,
+// but has a different unique identifier.
+func testBatchDuplicateSlug(
+	batcher core.Batcher,
+	repos core.RepositoryStore,
+	perms core.PermStore,
+	user *core.User,
+) func(t *testing.T) {
+	return func(t *testing.T) {
+		_, err := repos.FindName(noContext, "octocat", "hello-world")
+		if err != nil {
+			t.Errorf("Want repository, got error %q", err)
+		}
+
+		batch := &core.Batch{
+			Insert: []*core.Repository{
+				{
+					ID:        0,
+					UserID:    1,
+					UID:       "99", // Updated ID
+					Namespace: "octocat",
+					Name:      "hello-world",
+					Slug:      "octocat/hello-world",
+				},
+			},
+		}
+		err = batcher.Batch(noContext, user, batch)
+		if err != nil {
+			t.Error(err)
+		}
+	}
+}
+
+// the purpose of this unit test is to understand what happens
+// when a repository is deleted, re-created with a new name, and
+// then updated back to the old name.
+//
+// TODO(bradrydzewski) for sqlite consider UPDATE OR REPLACE.
+// TODO(bradrydzewski) for mysql consider UPDATE IGNORE.
+// TODO(bradrydzewski) consider breaking rename into a separate set of logic that checks for existing records.
+func testBatchDuplicateRename(
+	batcher core.Batcher,
+	repos core.RepositoryStore,
+	perms core.PermStore,
+	user *core.User,
+) func(t *testing.T) {
+	return func(t *testing.T) {
+		batch := &core.Batch{
+			Insert: []*core.Repository{
+				{
+					ID:        0,
+					UserID:    1,
+					UID:       "200",
+					Namespace: "octocat",
+					Name:      "test-1",
+					Slug:      "octocat/test-1",
+				},
+				{
+					ID:        0,
+					UserID:    1,
+					UID:       "201",
+					Namespace: "octocat",
+					Name:      "test-2",
+					Slug:      "octocat/test-2",
+				},
+			},
+		}
+		err := batcher.Batch(noContext, user, batch)
+		if err != nil {
+			t.Error(err)
+			return
+		}
+
+		before, err := repos.FindName(noContext, "octocat", "test-2")
+		if err != nil {
+			t.Errorf("Want repository, got error %q", err)
+			return
+		}
+		before.Name = "test-1"
+		before.Slug = "octocat/test-1"
+
+		batch = &core.Batch{
+			Update: []*core.Repository{before},
+		}
+		err = batcher.Batch(noContext, user, batch)
+		if err != nil {
+			t.Skip(err)
+		}
+	}
+}
+
 func seedUser(db *db.DB) (*core.User, error) {
 	out := &core.User{Login: "octocat"}
 	err := user.New(db).Create(noContext, out)