grafana/pkg/storage/unified/resource/server_test.go

140 lines
3.8 KiB
Go

package resource
import (
"context"
"embed"
"encoding/json"
"fmt"
"os"
"testing"
"time"
"github.com/hack-pad/hackpadfs"
hackos "github.com/hack-pad/hackpadfs/os"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"github.com/grafana/grafana/pkg/apimachinery/identity"
"github.com/grafana/grafana/pkg/apimachinery/utils"
)
func TestSimpleServer(t *testing.T) {
testUserA := &identity.StaticRequester{
Namespace: identity.NamespaceUser,
UserID: 123,
UserUID: "u123",
OrgRole: identity.RoleAdmin,
IsGrafanaAdmin: true, // can do anything
}
ctx := identity.WithRequester(context.Background(), testUserA)
var root hackpadfs.FS
if true {
tmp, err := os.MkdirTemp("", "xxx-*")
require.NoError(t, err)
root, err = hackos.NewFS().Sub(tmp[1:])
require.NoError(t, err)
fmt.Printf("ROOT: %s\n\n", tmp)
}
server, err := NewResourceServer(ResourceServerOptions{
Store: NewFileSystemStore(FileSystemOptions{
Root: root,
}),
})
require.NoError(t, err)
t.Run("playlist happy CRUD paths", func(t *testing.T) {
raw := testdata(t, "01_create_playlist.json")
key := &ResourceKey{
Group: "playlist.grafana.app",
Resource: "rrrr", // can be anything :(
Namespace: "default",
Name: "fdgsv37qslr0ga",
}
// Should be empty when we start
all, err := server.List(ctx, &ListRequest{Options: &ListOptions{
Key: &ResourceKey{
Group: key.Group,
Resource: key.Resource,
},
}})
require.NoError(t, err)
require.Len(t, all.Items, 0)
created, err := server.Create(ctx, &CreateRequest{
Value: raw,
Key: key,
})
require.NoError(t, err)
require.Nil(t, created.Status)
require.True(t, created.ResourceVersion > 0)
// The key does not include resource version
found, err := server.Read(ctx, &ReadRequest{Key: key})
require.NoError(t, err)
require.Nil(t, found.Status)
require.Equal(t, created.ResourceVersion, found.ResourceVersion)
// Now update the value
tmp := &unstructured.Unstructured{}
err = json.Unmarshal(created.Value, tmp)
require.NoError(t, err)
now := time.Now().UnixMilli()
obj, err := utils.MetaAccessor(tmp)
require.NoError(t, err)
obj.SetAnnotation("test", "hello")
obj.SetUpdatedTimestampMillis(now)
obj.SetUpdatedBy(testUserA.GetUID().String())
raw, err = json.Marshal(tmp)
require.NoError(t, err)
updated, err := server.Update(ctx, &UpdateRequest{
Key: key,
Value: raw,
ResourceVersion: created.ResourceVersion})
require.NoError(t, err)
require.Nil(t, updated.Status)
require.True(t, updated.ResourceVersion > created.ResourceVersion)
// We should still get the latest
found, err = server.Read(ctx, &ReadRequest{Key: key})
require.NoError(t, err)
require.Nil(t, found.Status)
require.Equal(t, updated.ResourceVersion, found.ResourceVersion)
all, err = server.List(ctx, &ListRequest{Options: &ListOptions{
Key: &ResourceKey{
Group: key.Group,
Resource: key.Resource,
},
}})
require.NoError(t, err)
require.Len(t, all.Items, 1)
require.Equal(t, updated.ResourceVersion, all.Items[0].ResourceVersion)
deleted, err := server.Delete(ctx, &DeleteRequest{Key: key, ResourceVersion: updated.ResourceVersion})
require.NoError(t, err)
require.True(t, deleted.ResourceVersion > updated.ResourceVersion)
// We should get not found status when trying to read the latest value
found, err = server.Read(ctx, &ReadRequest{Key: key})
require.NoError(t, err)
require.NotNil(t, found.Status)
require.Equal(t, int32(404), found.Status.Code)
})
}
//go:embed testdata/*
var testdataFS embed.FS
func testdata(t *testing.T, filename string) []byte {
t.Helper()
b, err := testdataFS.ReadFile(`testdata/` + filename)
require.NoError(t, err)
return b
}