feat: PC-13696 add sdk end to end tests for budget adjustement (#538)

## Motivation

Add some e2e tests for budget adjustment endpoints

---------

Co-authored-by: kubaceg <[email protected]>

tests/v1alpha_budgetadjustment_test.go

@@ -0,0 +1,292 @@
+//go:build e2e_test
+
+package tests
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	v1alphaExamples "github.com/nobl9/nobl9-go/internal/manifest/v1alpha/examples"
+	"github.com/nobl9/nobl9-go/manifest"
+	"github.com/nobl9/nobl9-go/manifest/v1alpha"
+	v1alphaBudgetAdjustment "github.com/nobl9/nobl9-go/manifest/v1alpha/budgetadjustment"
+	v1alphaDirect "github.com/nobl9/nobl9-go/manifest/v1alpha/direct"
+	v1alphaService "github.com/nobl9/nobl9-go/manifest/v1alpha/service"
+	v1alphaSLO "github.com/nobl9/nobl9-go/manifest/v1alpha/slo"
+	objectsV1 "github.com/nobl9/nobl9-go/sdk/endpoints/objects/v1"
+)
+
+func Test_Objects_V1_V1alpha_BudgetAdjustments(t *testing.T) {
+	t.Parallel()
+	ctx := context.Background()
+	slo := generateSLO(t)
+
+	budgetAdjustments := []v1alphaBudgetAdjustment.BudgetAdjustment{
+		v1alphaBudgetAdjustment.New(
+			v1alphaBudgetAdjustment.Metadata{
+				Name:        "adjustment1",
+				DisplayName: "Adjustment 1",
+			},
+			v1alphaBudgetAdjustment.Spec{
+				Description:     objectDescription,
+				FirstEventStart: time.Now().Add(time.Hour).UTC(),
+				Duration:        "1h",
+				Filters: v1alphaBudgetAdjustment.Filters{
+					SLOs: []v1alphaBudgetAdjustment.SLORef{
+						{
+							Name:    slo.Metadata.Name,
+							Project: slo.Metadata.Project,
+						},
+					},
+				},
+			}),
+		v1alphaBudgetAdjustment.New(
+			v1alphaBudgetAdjustment.Metadata{
+				Name:        "adjustment2",
+				DisplayName: "Adjustment 2",
+			},
+			v1alphaBudgetAdjustment.Spec{
+				Description:     objectDescription,
+				FirstEventStart: time.Now().Add(time.Hour).UTC(),
+				Duration:        "5h",
+				Rrule:           "FREQ=DAILY;COUNT=5",
+				Filters: v1alphaBudgetAdjustment.Filters{
+					SLOs: []v1alphaBudgetAdjustment.SLORef{
+						{
+							Name:    slo.Metadata.Name,
+							Project: slo.Metadata.Project,
+						},
+					},
+				},
+			}),
+	}
+
+	v1Apply(t, budgetAdjustments)
+	t.Cleanup(func() { v1Delete(t, budgetAdjustments) })
+
+	filterTest := map[string]struct {
+		request         objectsV1.GetBudgetAdjustmentRequest
+		expected        []v1alphaBudgetAdjustment.BudgetAdjustment
+		returnedObjects int
+		returnAll       bool
+	}{
+		"all": {
+			request:         objectsV1.GetBudgetAdjustmentRequest{},
+			expected:        budgetAdjustments,
+			returnedObjects: len(budgetAdjustments),
+			returnAll:       true,
+		},
+		"single adjustment": {
+			request: objectsV1.GetBudgetAdjustmentRequest{
+				Names: []string{budgetAdjustments[0].Metadata.Name},
+			},
+			expected:        []v1alphaBudgetAdjustment.BudgetAdjustment{budgetAdjustments[0]},
+			returnedObjects: 1,
+		},
+	}
+
+	for name, test := range filterTest {
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+			actual, err := client.Objects().V1().GetBudgetAdjustments(ctx, test.request)
+			require.NoError(t, err)
+			if !test.returnAll {
+				require.Len(t, actual, test.returnedObjects)
+			}
+
+			assertSubset(t, actual, test.expected, assertBudgetAdjustmentsAreEqual)
+		})
+	}
+}
+
+func Test_Objects_V1_V1alpha_BudgetAdjustments_validation(t *testing.T) {
+	t.Parallel()
+	ctx := context.Background()
+	slo := generateSLO(t)
+
+	validationTests := map[string]struct {
+		request v1alphaBudgetAdjustment.BudgetAdjustment
+		error   string
+	}{
+		"invalid name": {
+			request: v1alphaBudgetAdjustment.New(
+				v1alphaBudgetAdjustment.Metadata{
+					Name: "!#$%^&*()",
+				},
+				v1alphaBudgetAdjustment.Spec{
+					FirstEventStart: time.Now(),
+					Duration:        "1h",
+					Filters: v1alphaBudgetAdjustment.Filters{
+						SLOs: []v1alphaBudgetAdjustment.SLORef{
+							{
+								Name:    slo.Metadata.Name,
+								Project: slo.Metadata.Project,
+							},
+						},
+					},
+				}),
+			error: "RFC-1123 compliant label name must consist of lower case alphanumeric characters",
+		},
+		"missing duration": {
+			request: v1alphaBudgetAdjustment.New(
+				v1alphaBudgetAdjustment.Metadata{
+					Name: "missing-duration",
+				},
+				v1alphaBudgetAdjustment.Spec{
+					FirstEventStart: time.Now(),
+					Filters: v1alphaBudgetAdjustment.Filters{
+						SLOs: []v1alphaBudgetAdjustment.SLORef{
+							{
+								Name:    slo.Metadata.Name,
+								Project: slo.Metadata.Project,
+							},
+						},
+					},
+				}),
+			error: "spec.duration':\n    - property is required but was empty",
+		},
+		"missing first event start": {
+			request: v1alphaBudgetAdjustment.New(
+				v1alphaBudgetAdjustment.Metadata{
+					Name: "missing-duration",
+				},
+				v1alphaBudgetAdjustment.Spec{
+					Duration: "1h",
+					Filters: v1alphaBudgetAdjustment.Filters{
+						SLOs: []v1alphaBudgetAdjustment.SLORef{
+							{
+								Name:    slo.Metadata.Name,
+								Project: slo.Metadata.Project,
+							},
+						},
+					},
+				}),
+			error: "spec.firstEventStart':\n    - property is required but was empty",
+		},
+		"duplicated slo": {
+			request: v1alphaBudgetAdjustment.New(
+				v1alphaBudgetAdjustment.Metadata{
+					Name: "missing-duration",
+				},
+				v1alphaBudgetAdjustment.Spec{
+					FirstEventStart: time.Now(),
+					Duration:        "1h",
+					Filters: v1alphaBudgetAdjustment.Filters{
+						SLOs: []v1alphaBudgetAdjustment.SLORef{
+							{
+								Name:    slo.Metadata.Name,
+								Project: slo.Metadata.Project,
+							},
+							{
+								Name:    slo.Metadata.Name,
+								Project: slo.Metadata.Project,
+							},
+						},
+					},
+				}),
+			error: "SLOs must be unique",
+		},
+		"not existing slo": {
+			request: v1alphaBudgetAdjustment.New(
+				v1alphaBudgetAdjustment.Metadata{
+					Name: "missing-duration",
+				},
+				v1alphaBudgetAdjustment.Spec{
+					FirstEventStart: time.Now(),
+					Duration:        "1h",
+					Filters: v1alphaBudgetAdjustment.Filters{
+						SLOs: []v1alphaBudgetAdjustment.SLORef{
+							{
+								Name:    "foo",
+								Project: slo.Metadata.Project,
+							},
+						},
+					},
+				}),
+			error: "object SLO foo referenced in its spec does not exist",
+		},
+	}
+
+	for name, test := range validationTests {
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			err := client.Objects().V1().Apply(ctx, []manifest.Object{test.request})
+			if test.error != "" {
+				assert.ErrorContains(t, err, test.error)
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}
+
+func generateSLO(t *testing.T) (slo *v1alphaSLO.SLO) {
+	t.Helper()
+	project := generateV1alphaProject(t)
+
+	service := newV1alphaService(t, v1alphaService.Metadata{
+		Name:    generateName(),
+		Project: project.GetName(),
+	})
+	defaultProjectService := newV1alphaService(t, v1alphaService.Metadata{
+		Name:    generateName(),
+		Project: defaultProject,
+	})
+
+	dataSourceType := v1alpha.Datadog
+	directs := filterSlice(v1alphaSLODependencyDirects(t), func(o manifest.Object) bool {
+		typ, _ := o.(v1alphaDirect.Direct).Spec.GetType()
+		return typ == dataSourceType
+	})
+	require.Len(t, directs, 1)
+	direct := directs[0].(v1alphaDirect.Direct)
+
+	slo = getExample[v1alphaSLO.SLO](t,
+		manifest.KindSLO,
+		func(example v1alphaExamples.Example) bool {
+			dsGetter, ok := example.(dataSourceTypeGetter)
+			return ok && dsGetter.GetDataSourceType() == dataSourceType
+		},
+	)
+	slo.Spec.AnomalyConfig = nil
+	slo.Metadata.Name = generateName()
+	slo.Metadata.Project = project.GetName()
+	slo.Spec.Indicator.MetricSource = v1alphaSLO.MetricSourceSpec{
+		Name:    direct.Metadata.Name,
+		Project: direct.Metadata.Project,
+		Kind:    manifest.KindDirect,
+	}
+	slo.Spec.AlertPolicies = nil
+	slo.Spec.Service = service.Metadata.Name
+	slo.Spec.Objectives[0].Name = "good"
+
+	defaultProjectSLO := deepCopyObject(t, slo)
+	defaultProjectSLO.Metadata.Name = generateName()
+	defaultProjectSLO.Metadata.Project = defaultProject
+	defaultProjectSLO.Spec.Service = defaultProjectService.Metadata.Name
+
+	allObjects := make([]manifest.Object, 0)
+	allObjects = append(
+		allObjects,
+		project,
+		service,
+		defaultProjectService,
+		slo,
+		defaultProjectSLO,
+	)
+
+	v1Apply(t, allObjects)
+	t.Cleanup(func() { v1Delete(t, allObjects) })
+
+	return slo
+}
+
+func assertBudgetAdjustmentsAreEqual(t *testing.T, expected, actual v1alphaBudgetAdjustment.BudgetAdjustment) {
+	t.Helper()
+	assert.Equal(t, expected, actual)
+}