added tests for admission module

Signed-off-by: Shubham Singh <shubhammahar1306@gmail.com>

2 files changed, 193 insertions, 0 deletions

diff --git a/cloud/cmd/admission/app/options/options_test.go b/cloud/cmd/admission/app/options/options_test.go
new file mode 100644
index 000000000..084231cf7
--- /dev/null
+++ b/cloud/cmd/admission/app/options/options_test.go
@@ -0,0 +1,128 @@
+/*
+Copyright 2024 The KubeEdge 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 options
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewAdmissionOptions(t *testing.T) {
+	assert := assert.New(t)
+
+	opt := NewAdmissionOptions()
+	assert.NotNil(opt, "Expected NewAdmissionOptions to return a non-nil value")
+	assert.Equal(int32(0), opt.Port, "Expected Port to be 0 by default")
+	assert.False(opt.PrintVersion, "Expected PrintVersion to be false by default")
+	assert.Equal("", opt.Master)
+	assert.Equal("", opt.Kubeconfig)
+	assert.Equal("", opt.CertFile)
+	assert.Equal("", opt.KeyFile)
+	assert.Equal("", opt.CaCertFile)
+	assert.Equal("", opt.AdmissionServiceName)
+	assert.Equal("", opt.AdmissionServiceNamespace)
+	assert.Equal("", opt.SchedulerName)
+}
+
+func TestAdmissionOptions_Flags(t *testing.T) {
+	assert := assert.New(t)
+
+	opt := NewAdmissionOptions()
+	fss := opt.Flags()
+	fs := fss.FlagSet("admission")
+
+	assert.NotNil(fs, "Expected Flags to return a non-nil FlagSet")
+
+	flags := []struct {
+		name       string
+		defaultVal string
+		usage      string
+	}{
+		{
+			name:       "master",
+			defaultVal: "",
+			usage:      "The address of the Kubernetes API server (overrides any value in kubeconfig)",
+		},
+		{
+			name:       "kubeconfig",
+			defaultVal: "",
+			usage:      "Path to kubeconfig file with authorization and master location information.",
+		},
+		{
+			name:       "tls-cert-file",
+			defaultVal: "",
+			usage:      "File containing the default x509 Certificate for HTTPS. (CA cert, if any, concatenated after server cert).",
+		},
+		{
+			name:       "tls-private-key-file",
+			defaultVal: "",
+			usage:      "File containing the default x509 private key matching --tls-cert-file.",
+		},
+		{
+			name:       "ca-cert-file",
+			defaultVal: "",
+			usage:      "File containing the x509 Certificate for HTTPS.",
+		},
+		{
+			name:       "port",
+			defaultVal: "443",
+			usage:      "the port used by admission-controller-server.",
+		},
+		{
+			name:       "webhook-namespace",
+			defaultVal: "kubeedge",
+			usage:      "The namespace of this webhook",
+		},
+		{
+			name:       "webhook-service-name",
+			defaultVal: "kubeedge-admission-service",
+			usage:      "The name of this admission service",
+		},
+	}
+
+	for _, f := range flags {
+		flag := fs.Lookup(f.name)
+		assert.NotNil(flag, "Expected '%s' flag to be present in the FlagSet", f.name)
+		assert.Equal(f.name, flag.Name)
+		assert.Equal(f.defaultVal, flag.DefValue)
+		assert.Equal(f.usage, flag.Usage)
+	}
+
+	err := fs.Parse([]string{
+		"--master=http://localhost:8080",
+		"--kubeconfig=/path/to/kubeconfig",
+		"--tls-cert-file=/path/to/cert",
+		"--tls-private-key-file=/path/to/key",
+		"--ca-cert-file=/path/to/ca",
+		"--port=8443",
+		"--webhook-namespace=test-namespace",
+		"--webhook-service-name=test-service",
+	})
+	assert.NoError(err)
+
+	assert.Equal("http://localhost:8080", opt.Master)
+	assert.Equal("/path/to/kubeconfig", opt.Kubeconfig)
+	assert.Equal("/path/to/cert", opt.CertFile)
+	assert.Equal("/path/to/key", opt.KeyFile)
+	assert.Equal("/path/to/ca", opt.CaCertFile)
+	assert.Equal(int32(8443), opt.Port)
+	assert.Equal("test-namespace", opt.AdmissionServiceNamespace)
+	assert.Equal("test-service", opt.AdmissionServiceName)
+	assert.Equal(false, opt.PrintVersion, "Expected PrintVersion to be false by default")
+	assert.Equal("", opt.SchedulerName, "Expected SchedulerName to be an empty string by default")
+}
diff --git a/cloud/cmd/admission/app/server_test.go b/cloud/cmd/admission/app/server_test.go
new file mode 100644
index 000000000..a3aab56b7
--- /dev/null
+++ b/cloud/cmd/admission/app/server_test.go
@@ -0,0 +1,65 @@
+/*
+Copyright 2024 The KubeEdge 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 app
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/spf13/pflag"
+	"github.com/stretchr/testify/assert"
+	"k8s.io/component-base/cli/globalflag"
+
+	"github.com/kubeedge/kubeedge/cloud/cmd/admission/app/options"
+	"github.com/kubeedge/kubeedge/pkg/version/verflag"
+)
+
+func TestNewAdmissionCommand(t *testing.T) {
+	assert := assert.New(t)
+
+	cmd := NewAdmissionCommand()
+	assert.NotNil(cmd)
+	assert.Equal("admission", cmd.Use)
+	assert.Equal(cmd.Long, `Admission leverage the feature of Dynamic Admission Control from kubernetes, start it
+if want to admission control some kubeedge resources.`)
+
+	fs := cmd.Flags()
+	assert.NotNil(fs, "Command should have flags")
+	namedFs := options.NewAdmissionOptions().Flags()
+	verflag.AddFlags(namedFs.FlagSet("global"))
+	globalflag.AddGlobalFlags(namedFs.FlagSet("global"), cmd.Name())
+
+	for _, f := range namedFs.FlagSets {
+		fs.AddFlagSet(f)
+	}
+
+	for _, f := range namedFs.FlagSets {
+		f.VisitAll(func(flag *pflag.Flag) {
+			assert.NotNil(fs.Lookup(flag.Name), "Flag %s should be added to the command", flag.Name)
+		})
+	}
+
+	usage := &bytes.Buffer{}
+	cmd.SetOut(usage)
+	cmd.Usage()
+	assert.Contains(usage.String(), "Usage:\n  admission")
+
+	help := &bytes.Buffer{}
+	cmd.SetOut(help)
+	cmd.Help()
+	assert.Contains(help.String(), "Admission leverage the feature of Dynamic Admission Control from kubernetes")
+}