Costa Alexoglou
397 lines
14 KiB
Go
397 lines
14 KiB
Go
package conversion
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import (
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"testing"
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"github.com/stretchr/testify/require"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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dashv0 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v0alpha1"
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dashv1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v1beta1"
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dashv2alpha1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2alpha1"
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dashv2beta1 "github.com/grafana/grafana/apps/dashboard/pkg/apis/dashboard/v2beta1"
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"github.com/grafana/grafana/apps/dashboard/pkg/migration"
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migrationtestutil "github.com/grafana/grafana/apps/dashboard/pkg/migration/testutil"
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common "github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1"
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)
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// TestV0ConversionErrorHandling tests that v0 conversion functions properly return errors and set status
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func TestV0ConversionErrorHandling(t *testing.T) {
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// Initialize the migrator with a test data source provider
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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migration.Initialize(dsProvider, leProvider)
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tests := []struct {
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name string
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source *dashv0.Dashboard
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target interface{}
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expectError bool
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expectStatusSet bool
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checkStatus func(t *testing.T, target interface{})
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}{
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{
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name: "Convert_V0_to_V1beta1 returns error on migration failure",
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source: &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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},
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target: &dashv1.Dashboard{},
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expectError: true,
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expectStatusSet: true,
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checkStatus: func(t *testing.T, target interface{}) {
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out := target.(*dashv1.Dashboard)
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require.NotNil(t, out.Status.Conversion)
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require.True(t, out.Status.Conversion.Failed)
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require.NotNil(t, out.Status.Conversion.Error)
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},
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},
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{
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name: "Convert_V0_to_V2alpha1 sets status on first step migration failure",
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source: &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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},
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target: &dashv2alpha1.Dashboard{},
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expectError: false, // Convert_V0_to_V2alpha1 doesn't return error, just sets status
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expectStatusSet: true,
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checkStatus: func(t *testing.T, target interface{}) {
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out := target.(*dashv2alpha1.Dashboard)
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// Status should be set when first step fails
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require.NotNil(t, out.Status.Conversion)
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require.True(t, out.Status.Conversion.Failed)
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require.NotNil(t, out.Status.Conversion.Error)
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},
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},
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{
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name: "Convert_V0_to_V2beta1 returns error on first step migration failure",
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source: &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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},
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target: &dashv2beta1.Dashboard{},
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expectError: true,
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expectStatusSet: true,
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checkStatus: func(t *testing.T, target interface{}) {
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out := target.(*dashv2beta1.Dashboard)
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require.NotNil(t, out.Status.Conversion)
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require.True(t, out.Status.Conversion.Failed)
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require.NotNil(t, out.Status.Conversion.Error)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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var err error
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switch target := tt.target.(type) {
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case *dashv1.Dashboard:
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err = Convert_V0_to_V1beta1(tt.source, target, nil)
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case *dashv2alpha1.Dashboard:
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err = Convert_V0_to_V2alpha1(tt.source, target, nil, dsProvider)
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case *dashv2beta1.Dashboard:
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err = Convert_V0_to_V2beta1(tt.source, target, nil, dsProvider)
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default:
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t.Fatalf("unexpected target type: %T", target)
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}
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if tt.expectError {
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require.Error(t, err, "expected conversion to return error")
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}
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if tt.expectStatusSet {
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tt.checkStatus(t, tt.target)
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}
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})
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}
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}
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// TestV0ConversionErrorPropagation tests that errors from atomic functions are properly propagated
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func TestV0ConversionErrorPropagation(t *testing.T) {
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// Initialize the migrator with a test data source provider
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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migration.Initialize(dsProvider, leProvider)
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t.Run("ConvertDashboard_V0_to_V1beta1 returns error on migration failure", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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}
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target := &dashv1.Dashboard{}
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err := ConvertDashboard_V0_to_V1beta1(source, target, nil)
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require.Error(t, err, "expected error on migration failure")
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require.NotNil(t, target.Status.Conversion)
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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})
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t.Run("Convert_V0_to_V1beta1 propagates error from ConvertDashboard_V0_to_V1beta1", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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}
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target := &dashv1.Dashboard{}
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err := Convert_V0_to_V1beta1(source, target, nil)
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require.Error(t, err, "expected error to be returned")
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require.NotNil(t, target.Status.Conversion)
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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})
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t.Run("Convert_V0_to_V2beta1 returns error on first step migration failure", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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}
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target := &dashv2beta1.Dashboard{}
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err := Convert_V0_to_V2beta1(source, target, nil, dsProvider)
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require.Error(t, err, "expected error to be returned on first step failure")
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require.NotNil(t, target.Status.Conversion)
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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})
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}
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// TestV0ConversionSuccessPaths tests that successful conversion paths are covered
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func TestV0ConversionSuccessPaths(t *testing.T) {
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// Initialize the migrator with a test data source provider
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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migration.Initialize(dsProvider, leProvider)
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t.Run("Convert_V0_to_V1beta1 success path returns nil", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 42, // Latest schema version - no migration needed
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},
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},
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}
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target := &dashv1.Dashboard{}
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err := Convert_V0_to_V1beta1(source, target, nil)
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require.NoError(t, err, "expected successful conversion")
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require.NotNil(t, target.Status.Conversion)
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require.False(t, target.Status.Conversion.Failed)
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})
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t.Run("Convert_V0_to_V2alpha1 success path returns nil", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 42, // Latest schema version - no migration needed
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},
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},
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}
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target := &dashv2alpha1.Dashboard{}
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err := Convert_V0_to_V2alpha1(source, target, nil, dsProvider)
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require.NoError(t, err, "expected successful conversion")
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// Layout should be set even on success
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require.NotNil(t, target.Spec.Layout.GridLayoutKind)
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})
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t.Run("Convert_V0_to_V2beta1 success path returns nil", func(t *testing.T) {
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 42, // Latest schema version - no migration needed
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},
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},
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}
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target := &dashv2beta1.Dashboard{}
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err := Convert_V0_to_V2beta1(source, target, nil, dsProvider)
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require.NoError(t, err, "expected successful conversion")
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})
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}
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// TestV0ConversionSecondStepErrors tests error handling in second step of multi-step conversions
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func TestV0ConversionSecondStepErrors(t *testing.T) {
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// Initialize the migrator with a test data source provider
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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migration.Initialize(dsProvider, leProvider)
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t.Run("Convert_V0_to_V2alpha1 sets status on first step error", func(t *testing.T) {
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// Create a dashboard that will fail v0->v1beta1 conversion
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// Use schemaVersion 0 which will cause migration to fail
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 0, // Invalid schema version that will cause migration to fail
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},
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},
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}
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target := &dashv2alpha1.Dashboard{}
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err := Convert_V0_to_V2alpha1(source, target, nil, dsProvider)
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// Convert_V0_to_V2alpha1 doesn't return error, just sets status
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require.NoError(t, err, "Convert_V0_to_V2alpha1 doesn't return error")
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// Status should be set when first step fails
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require.NotNil(t, target.Status.Conversion, "Status should be set on first step error")
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require.True(t, target.Status.Conversion.Failed, "Failed should be true")
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require.NotNil(t, target.Status.Conversion.Error, "Error should be set")
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require.Equal(t, dashv0.VERSION, *target.Status.Conversion.StoredVersion)
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})
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t.Run("Convert_V0_to_V2alpha1 sets status on second step error", func(t *testing.T) {
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// Create a dashboard that will pass v0->v1beta1 but fail v1beta1->v2alpha1
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// We need to create invalid JSON structure that will cause JSON marshaling to fail
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// or create a dashboard with invalid structure that causes transformation to fail
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "default",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 42, // Valid schema version that will pass first step
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"dashboard": map[string]interface{}{
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"title": "test",
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// Create invalid structure that will cause JSON marshaling to fail
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// by using a channel which cannot be marshaled
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"invalidField": make(chan int), // This will cause JSON marshal to fail
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},
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},
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},
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}
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target := &dashv2alpha1.Dashboard{}
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err := Convert_V0_to_V2alpha1(source, target, nil, dsProvider)
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// Convert_V0_to_V2alpha1 doesn't return error, just sets status
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require.NoError(t, err, "Convert_V0_to_V2alpha1 doesn't return error")
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// If second step fails, status should be set
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// Note: The error might occur in first step if JSON marshal fails early,
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// but we're testing that the error handling path exists
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if target.Status.Conversion != nil && target.Status.Conversion.Failed {
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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require.Equal(t, dashv0.VERSION, *target.Status.Conversion.StoredVersion)
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}
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})
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t.Run("Convert_V0_to_V2beta1 returns error on second step failure", func(t *testing.T) {
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// Create a scenario where first step succeeds but second step fails
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// This is harder to trigger, but we can test the code path exists
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 25, // Valid schema version that will pass first step
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},
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},
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}
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target := &dashv2beta1.Dashboard{}
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err := Convert_V0_to_V2beta1(source, target, nil, dsProvider)
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// May or may not error depending on dashboard content
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// But if it does error on second step, status should be set
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if err != nil {
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require.NotNil(t, target.Status.Conversion)
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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}
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})
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t.Run("Convert_V0_to_V2beta1 returns error on third step failure", func(t *testing.T) {
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// Create a scenario where first two steps succeed but third step fails
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source := &dashv0.Dashboard{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: "org-1",
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},
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Spec: common.Unstructured{
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Object: map[string]interface{}{
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"title": "test dashboard",
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"schemaVersion": 25, // Valid schema version that will pass first two steps
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},
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},
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}
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target := &dashv2beta1.Dashboard{}
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err := Convert_V0_to_V2beta1(source, target, nil, dsProvider)
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// May or may not error depending on dashboard content
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// But if it does error on third step, status should be set
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if err != nil {
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require.NotNil(t, target.Status.Conversion)
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require.True(t, target.Status.Conversion.Failed)
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require.NotNil(t, target.Status.Conversion.Error)
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}
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})
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}
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