Chore: Embed CSV files with the test data source (#71435)

.github/CODEOWNERS

@@ -444,7 +444,6 @@ lerna.json @grafana/frontend-ops
 /public/robots.txt @grafana/frontend-ops
 /public/sass/ @grafana/grafana-frontend-platform
 /public/test/ @grafana/grafana-frontend-platform
-/public/testdata/ @grafana/grafana-frontend-platform
 /public/views/ @grafana/grafana-frontend-platform
 
 /public/app/features/explore/Logs/ @grafana/observability-logs

pkg/api/plugin_resource_test.go

@@ -63,7 +63,7 @@ func TestCallResource(t *testing.T) {
 	cfg.Azure = &azsettings.AzureSettings{}
 
 	coreRegistry := coreplugin.ProvideCoreRegistry(nil, &cloudwatch.CloudWatchService{}, nil, nil, nil, nil,
-		nil, nil, nil, nil, testdatasource.ProvideService(cfg), nil, nil, nil, nil, nil, nil)
+		nil, nil, nil, nil, testdatasource.ProvideService(), nil, nil, nil, nil, nil, nil)
 	pCfg, err := config.ProvideConfig(setting.ProvideProvider(cfg), cfg, featuremgmt.WithFeatures())
 	require.NoError(t, err)
 	reg := registry.ProvideService()

pkg/plugins/manager/manager_integration_test.go

@@ -103,7 +103,7 @@ func TestIntegrationPluginManager(t *testing.T) {
 	otsdb := opentsdb.ProvideService(hcp)
 	pr := prometheus.ProvideService(hcp, cfg, features, tracer)
 	tmpo := tempo.ProvideService(hcp)
-	td := testdatasource.ProvideService(cfg)
+	td := testdatasource.ProvideService()
 	pg := postgres.ProvideService(cfg)
 	my := mysql.ProvideService(cfg, hcp)
 	ms := mssql.ProvideService(cfg)

pkg/services/store/service_test.go

@@ -59,7 +59,6 @@ var (
 			Disk: &StorageLocalDiskConfig{
 				Path: publicRoot,
 				Roots: []string{
-					"/testdata/",
 					"/img/icons/",
 					"/img/bg/",
 					"/gazetteer/",
@@ -75,12 +74,12 @@ func TestListFiles(t *testing.T) {
 	store := newStandardStorageService(db.InitTestDB(t), roots, func(orgId int64) []storageRuntime {
 		return make([]storageRuntime, 0)
 	}, allowAllAuthService, cfg, nil)
-	frame, err := store.List(context.Background(), dummyUser, "public/testdata")
+	frame, err := store.List(context.Background(), dummyUser, "public/maps")
 	require.NoError(t, err)
 
 	experimental.CheckGoldenJSONFrame(t, "testdata", "public_testdata.golden", frame.Frame, true)
 
-	file, err := store.Read(context.Background(), dummyUser, "public/testdata/js_libraries.csv")
+	file, err := store.Read(context.Background(), dummyUser, "public/maps/countries.geojson")
 	require.NoError(t, err)
 	require.NotNil(t, file)
 
@@ -96,7 +95,7 @@ func TestListFilesWithoutPermissions(t *testing.T) {
 	store := newStandardStorageService(db.InitTestDB(t), roots, func(orgId int64) []storageRuntime {
 		return make([]storageRuntime, 0)
 	}, denyAllAuthService, cfg, nil)
-	frame, err := store.List(context.Background(), dummyUser, "public/testdata")
+	frame, err := store.List(context.Background(), dummyUser, "public/maps")
 	require.NoError(t, err)
 	rowLen, err := frame.RowLen()
 	require.NoError(t, err)

pkg/services/store/testdata/public_testdata.golden.jsonc

@@ -11,20 +11,15 @@
 //      }
 //  }
 //  Name: 
-//  Dimensions: 3 Fields by 7 Rows
-//  +--------------------------+-------------------------+---------------+
+//  Dimensions: 3 Fields by 2 Rows
+//  +--------------------+----------------------+---------------+
 //  | Name: name         | Name: mediaType      | Name: size    |
 //  | Labels:            | Labels:              | Labels:       |
 //  | Type: []string     | Type: []string       | Type: []int64 |
-//  +--------------------------+-------------------------+---------------+
-//  | browser_marketshare.csv  | text/csv; charset=utf-8 | 355           |
-//  | flight_info_by_state.csv | text/csv; charset=utf-8 | 681           |
-//  | gdp_per_capita.csv       | text/csv; charset=utf-8 | 4116          |
-//  | js_libraries.csv         | text/csv; charset=utf-8 | 179           |
-//  | ohlc_dogecoin.csv        | text/csv; charset=utf-8 | 191804        |
-//  | population_by_state.csv  | text/csv; charset=utf-8 | 138           |
-//  | weight_height.csv        | text/csv; charset=utf-8 | 418121        |
-//  +--------------------------+-------------------------+---------------+
+//  +--------------------+----------------------+---------------+
+//  | countries.geojson  | application/geo+json | 255943        |
+//  | usa-states.geojson | application/geo+json | 89263         |
+//  +--------------------+----------------------+---------------+
 //  
 //  
 //  🌟 This was machine generated.  Do not edit. 🌟
@@ -73,31 +68,16 @@
       "data": {
         "values": [
           [
-            "browser_marketshare.csv",
-            "flight_info_by_state.csv",
-            "gdp_per_capita.csv",
-            "js_libraries.csv",
-            "ohlc_dogecoin.csv",
-            "population_by_state.csv",
-            "weight_height.csv"
+            "countries.geojson",
+            "usa-states.geojson"
           ],
           [
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8",
-            "text/csv; charset=utf-8"
+            "application/geo+json",
+            "application/geo+json"
           ],
           [
-            355,
-            681,
-            4116,
-            179,
-            191804,
-            138,
-            418121
+            255943,
+            89263
           ]
         ]
       }

pkg/tsdb/testdatasource/csv_data.go

@@ -2,11 +2,11 @@ package testdatasource
 
 import (
 	"context"
+	"embed"
 	"encoding/csv"
 	"errors"
 	"fmt"
 	"io"
-	"os"
 	"path/filepath"
 	"regexp"
 	"strconv"
@@ -92,6 +92,9 @@ func (s *Service) handleCsvFileScenario(ctx context.Context, req *backend.QueryD
 	return resp, nil
 }
 
+//go:embed data/*.csv
+var embeddedCsvFiles embed.FS
+
 func (s *Service) loadCsvFile(fileName string) (*data.Frame, error) {
 	validFileName := regexp.MustCompile(`^\w+\.csv$`)
 
@@ -100,11 +103,9 @@ func (s *Service) loadCsvFile(fileName string) (*data.Frame, error) {
 	}
 
 	csvFilepath := filepath.Clean(filepath.Join("/", fileName))
-	filePath := filepath.Join(s.cfg.StaticRootPath, "testdata", csvFilepath)
+	filePath := filepath.Join("data", csvFilepath)
 
-	// Can ignore gosec G304 here, because we check the file pattern above
-	// nolint:gosec
-	fileReader, err := os.Open(filePath)
+	fileReader, err := embeddedCsvFiles.Open(filePath)
 	if err != nil {
 		return nil, fmt.Errorf("failed open file: %v", err)
 	}

pkg/tsdb/testdatasource/testdata.go

@@ -10,11 +10,10 @@ import (
 	"github.com/grafana/grafana-plugin-sdk-go/data"
 
 	"github.com/grafana/grafana/pkg/infra/log"
-	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb/testdatasource/sims"
 )
 
-func ProvideService(cfg *setting.Cfg) *Service {
+func ProvideService() *Service {
 	s := &Service{
 		queryMux:  datasource.NewQueryTypeMux(),
 		scenarios: map[string]*Scenario{},
@@ -30,7 +29,6 @@ func ProvideService(cfg *setting.Cfg) *Service {
 			data.NewField("Value", nil, make([]float64, 1)),
 		),
 		logger: log.New("tsdb.testdata"),
-		cfg:    cfg,
 	}
 
 	var err error
@@ -46,7 +44,6 @@ func ProvideService(cfg *setting.Cfg) *Service {
 }
 
 type Service struct {
-	cfg             *setting.Cfg
 	logger          log.Logger
 	scenarios       map[string]*Scenario
 	frame           *data.Frame