🌱 added test for exec.go (#3352)

added test for exec.go

pass test cases

updated tests

updated tests

Revert "updated tests"

This reverts commit 7a465c0.

updated tests

Revert "added test for exec.go"

This reverts commit da172c4.

added exec tests

rerun suits stop

added test files

removed Test Plugin File

solved bugs

minor code changes

added license header

removed exec_test

added exec_tests finally

rebase commits

pkg/plugin/util/exec_test.go

@@ -0,0 +1,47 @@
+/*
+Copyright 2022 The Kubernetes 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 util
+
+import (
+	"bytes"
+	"os/exec"
+	"strings"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("RunCmd", func() {
+	var (
+		output *bytes.Buffer
+		err    error
+	)
+	BeforeEach(func() {
+		output = &bytes.Buffer{}
+	})
+	AfterEach(func() {
+		output.Reset()
+	})
+	It("executes the command and redirects output to stdout", func() {
+		cmd := exec.Command("echo", "test")
+		cmd.Stdout = output
+		err = cmd.Run()
+		Expect(err).ToNot(HaveOccurred())
+		Expect(strings.TrimSpace(output.String())).To(Equal("test"))
+	})
+	It("returns an error if the command fails", func() {
+		err = RunCmd("unknown command", "unknowncommand")
+		Expect(err).To(HaveOccurred())
+	})
+})