add controller admission test to validate OpenAPI property constraint annotations

Signed-off-by: perdasilva <perdasilva@redhat.com>

Author: perdasilva

controllers/admission_test.go

@@ -0,0 +1,61 @@
+package controllers_test
+
+import (
+	"context"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	operatorsv1alpha1 "github.com/operator-framework/operator-controller/api/v1alpha1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+func operator(spec operatorsv1alpha1.OperatorSpec) *operatorsv1alpha1.Operator {
+	return &operatorsv1alpha1.Operator{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "test-operator",
+		},
+		Spec: spec,
+	}
+}
+
+var _ = Describe("Operator Spec Validations", func() {
+	var (
+		ctx    context.Context
+		cancel context.CancelFunc
+	)
+	BeforeEach(func() {
+		ctx, cancel = context.WithCancel(context.Background())
+	})
+	AfterEach(func() {
+		cancel()
+	})
+	It("should fail if the spec is empty", func() {
+		err := cl.Create(ctx, operator(operatorsv1alpha1.OperatorSpec{}))
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("spec.packageName in body should match '^[a-z0-9]+(-[a-z0-9]+)*$'"))
+	})
+	It("should fail if package name length is greater than 48 characters", func() {
+		err := cl.Create(ctx, operator(operatorsv1alpha1.OperatorSpec{
+			PackageName: "this-is-a-really-long-package-name-that-is-greater-than-48-characters",
+		}))
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("Too long: may not be longer than 48"))
+	})
+	It("should fail if version is valid semver but length is greater than 64 characters", func() {
+		err := cl.Create(ctx, operator(operatorsv1alpha1.OperatorSpec{
+			PackageName: "package",
+			Version:     "1234567890.1234567890.12345678901234567890123456789012345678901234",
+		}))
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("Too long: may not be longer than 64"))
+	})
+	It("should fail if an invalid semver range is given", func() {
+		err := cl.Create(ctx, operator(operatorsv1alpha1.OperatorSpec{
+			PackageName: "package",
+			Version:     "this-is-not-a-valid-semver",
+		}))
+
+		Expect(err).To(HaveOccurred())
+		Expect(err.Error()).To(ContainSubstring("spec.version in body should match '^(\\|\\||\\s+)?([\\s~^><=]*)v?(\\d+)(\\.(\\d+))?(\\.(\\d+))?(\\-(.+))?$"))
+	})
+})