diff --git a/lib/test/eventtype.go b/lib/test/eventtype.go
new file mode 100644
index 0000000000..8c2cb48439
--- /dev/null
+++ b/lib/test/eventtype.go
@@ -0,0 +1,60 @@
+// Copyright 2021 The Knative Authors
+
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package test
+
+import (
+	"gotest.tools/v3/assert"
+	"knative.dev/client/pkg/util"
+)
+
+// EventtypeCreate creates an eventtype with the given name.
+func EventtypeCreate(r *KnRunResultCollector, name, cetype string) {
+	out := r.KnTest().Kn().Run("eventtype", "create", name, "--type", cetype)
+	r.AssertNoError(out)
+	assert.Check(r.T(), util.ContainsAllIgnoreCase(out.Stdout, "Eventtype", name, "created", "namespace", r.KnTest().Kn().Namespace()))
+}
+
+// EventtypeDelete deletes an eventtype with the given name.
+func EventtypeDelete(r *KnRunResultCollector, name string) {
+	out := r.KnTest().Kn().Run("eventtype", "delete", name)
+	r.AssertNoError(out)
+	assert.Check(r.T(), util.ContainsAllIgnoreCase(out.Stdout, "Eventtype", name, "deleted", "namespace", r.KnTest().Kn().Namespace()))
+}
+
+// EventtypeList verifies listing eventtypes in the given namespace
+func EventtypeList(r *KnRunResultCollector, eventtypes ...string) {
+	out := r.KnTest().Kn().Run("eventtype", "list")
+	r.AssertNoError(out)
+	assert.Check(r.T(), util.ContainsAllIgnoreCase(out.Stdout, eventtypes...))
+}
+
+// EventtypeDescribe describes an eventtype with the given name.
+func EventtypeDescribe(r *KnRunResultCollector, name string) {
+	out := r.KnTest().Kn().Run("eventtype", "describe", name)
+	r.AssertNoError(out)
+	assert.Check(r.T(), util.ContainsAll(out.Stdout, name, r.KnTest().Kn().Namespace(), "Ready", "BrokerReady"))
+}
+
+func EventtypeCreateWithBrokerSource(r *KnRunResultCollector, name, cetype, broker, source string) {
+	out := r.KnTest().Kn().Run("eventtype", "create", name, "--type", cetype, "--broker", broker, "--source", source)
+	r.AssertNoError(out)
+	assert.Check(r.T(), util.ContainsAllIgnoreCase(out.Stdout, "Eventtype", name, "created", "namespace", r.KnTest().Kn().Namespace()))
+}
+
+func EventtypeCreateWithSourceError(r *KnRunResultCollector, name, cetype, source string) {
+	out := r.KnTest().Kn().Run("eventtype", "create", name, "--type", cetype, "--source", source)
+	r.AssertError(out)
+	assert.Check(r.T(), util.ContainsAll(out.Stderr, name, "invalid", "control character"))
+}
diff --git a/test/e2e/eventtype_test.go b/test/e2e/eventtype_test.go
new file mode 100644
index 0000000000..cc42a7016f
--- /dev/null
+++ b/test/e2e/eventtype_test.go
@@ -0,0 +1,72 @@
+// Copyright © 2022 The Knative Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package e2e
+
+import (
+	"testing"
+
+	"gotest.tools/v3/assert"
+	"knative.dev/client/lib/test"
+	"knative.dev/client/pkg/util"
+)
+
+const (
+	testName      = "test-eventtype"
+	testName1     = "test-eventtype-1"
+	testName2     = "test-eventtype-2"
+	testName3     = "test-eventtype-3"
+	testType      = "test.type"
+	testBroker    = "test-broker"
+	testSource    = "test.source.com"
+	testSourceBad = "test.source.com\b"
+)
+
+func TestEventtype(t *testing.T) {
+	t.Parallel()
+	it, err := test.NewKnTest()
+	assert.NilError(t, err)
+	defer func() {
+		assert.NilError(t, it.Teardown())
+	}()
+
+	r := test.NewKnRunResultCollector(t, it)
+	defer r.DumpIfFailed()
+
+	t.Log("create eventtype, list, describe, and delete it")
+	test.EventtypeCreate(r, testName, testType)
+	test.EventtypeList(r, testName)
+	test.EventtypeDescribe(r, testName)
+	test.EventtypeDelete(r, testName)
+	verifyEventtypeNotfound(r, testName)
+
+	t.Log("create eventtype with broker and source")
+	test.EventtypeCreateWithBrokerSource(r, testName, testType, testBroker, testSource)
+	test.EventtypeList(r, testName)
+
+	t.Log("create multiple eventtypes and list them")
+	test.EventtypeCreate(r, testName1, testType)
+	test.EventtypeCreate(r, testName2, testType)
+	test.EventtypeCreate(r, testName3, testType)
+	test.EventtypeList(r, testName1, testName2, testName3)
+
+	t.Log("create eventtype with invalid source")
+	test.EventtypeCreateWithSourceError(r, testName, testType, testSourceBad)
+}
+
+func verifyEventtypeNotfound(r *test.KnRunResultCollector, name string) {
+	out := r.KnTest().Kn().Run("eventtype", "describe", name)
+	r.AssertError(out)
+	assert.Check(r.T(), util.ContainsAll(out.Stderr, name, "not found"))
+}