mirror of https://github.com/knative/client.git
117 lines
3.3 KiB
Go
117 lines
3.3 KiB
Go
// Copyright 2019 The Knative Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package e2e
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"regexp"
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"strings"
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"testing"
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)
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type runOpts struct {
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NoNamespace bool
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AllowError bool
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StderrWriter io.Writer
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StdoutWriter io.Writer
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StdinReader io.Reader
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CancelCh chan struct{}
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Redact bool
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}
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// CreateTestNamespace creates and tests a namesspace creation invoking kubectl
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func CreateTestNamespace(t *testing.T, namespace string) {
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kubectl := kubectl{t, Logger{}}
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out, err := kubectl.RunWithOpts([]string{"create", "namespace", namespace}, runOpts{})
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if err != nil {
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t.Fatalf(fmt.Sprintf("Error executing 'kubectl create namespace' command. Error: %s", err.Error()))
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}
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expectedOutputRegexp := fmt.Sprintf("namespace?.+%s.+created", namespace)
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if !matchRegexp(t, expectedOutputRegexp, out) {
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t.Fatalf("Expected output incorrect, expecting to include:\n%s\n Instead found:\n%s\n", expectedOutputRegexp, out)
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}
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}
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// CreateTestNamespace deletes and tests a namesspace deletion invoking kubectl
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func DeleteTestNamespace(t *testing.T, namespace string) {
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kubectl := kubectl{t, Logger{}}
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out, err := kubectl.RunWithOpts([]string{"delete", "namespace", namespace}, runOpts{})
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if err != nil {
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t.Fatalf(fmt.Sprintf("Error executing 'kubectl delete namespace' command. Error: %s", err.Error()))
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}
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expectedOutputRegexp := fmt.Sprintf("namespace?.+%s.+deleted", namespace)
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if !matchRegexp(t, expectedOutputRegexp, out) {
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t.Fatalf("Expected output incorrect, expecting to include:\n%s\n Instead found:\n%s\n", expectedOutputRegexp, out)
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}
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}
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// Private functions
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func runCLIWithOpts(cli string, args []string, opts runOpts, logger Logger) (string, error) {
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logger.Debugf("Running '%s'...\n", cmdCLIDesc(cli, args))
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var stderr bytes.Buffer
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var stdout bytes.Buffer
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cmd := exec.Command(cli, args...)
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cmd.Stderr = &stderr
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if opts.CancelCh != nil {
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go func() {
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select {
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case <-opts.CancelCh:
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cmd.Process.Signal(os.Interrupt)
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}
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}()
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}
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if opts.StdoutWriter != nil {
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cmd.Stdout = opts.StdoutWriter
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} else {
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cmd.Stdout = &stdout
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}
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cmd.Stdin = opts.StdinReader
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err := cmd.Run()
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if err != nil {
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err = fmt.Errorf("Execution error: stderr: '%s' error: '%s'", stderr.String(), err)
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if !opts.AllowError {
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logger.Fatalf("Failed to successfully execute '%s': %v", cmdCLIDesc(cli, args), err)
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}
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}
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return stdout.String(), err
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}
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func cmdCLIDesc(cli string, args []string) string {
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return fmt.Sprintf("%s %s", cli, strings.Join(args, " "))
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}
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func matchRegexp(t *testing.T, matchingRegexp, actual string) bool {
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matched, err := regexp.MatchString(matchingRegexp, actual)
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if err != nil {
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t.Fatalf(fmt.Sprintf("Failed to match regexp '%s'. Error: '%s'", matchingRegexp, err.Error()))
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}
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return matched
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}
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