5706a13bd6
In 1f270ef4e2, we added 10KB as the read
limit for http probes. we should do the same for exec probes as well.
Change-Id: If154c5c4e669829ab94839c56260a894a6714f0f
146 lines
3.1 KiB
Go
146 lines
3.1 KiB
Go
/*
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Copyright 2015 The Kubernetes 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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*/
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package exec
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import (
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"fmt"
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"io"
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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/probe"
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)
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type FakeCmd struct {
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out []byte
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stdout []byte
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err error
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writer io.Writer
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}
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func (f *FakeCmd) Run() error {
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return nil
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}
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func (f *FakeCmd) CombinedOutput() ([]byte, error) {
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return f.out, f.err
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}
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func (f *FakeCmd) Output() ([]byte, error) {
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return f.stdout, f.err
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}
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func (f *FakeCmd) SetDir(dir string) {}
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func (f *FakeCmd) SetStdin(in io.Reader) {}
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func (f *FakeCmd) SetStdout(out io.Writer) {
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f.writer = out
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}
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func (f *FakeCmd) SetStderr(out io.Writer) {
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f.writer = out
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}
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func (f *FakeCmd) SetEnv(env []string) {}
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func (f *FakeCmd) Stop() {}
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func (f *FakeCmd) Start() error {
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if f.writer != nil {
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f.writer.Write(f.out)
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return f.err
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}
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return f.err
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}
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func (f *FakeCmd) Wait() error { return nil }
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func (f *FakeCmd) StdoutPipe() (io.ReadCloser, error) {
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return nil, nil
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}
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func (f *FakeCmd) StderrPipe() (io.ReadCloser, error) {
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return nil, nil
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}
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type fakeExitError struct {
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exited bool
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statusCode int
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}
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func (f *fakeExitError) String() string {
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return f.Error()
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}
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func (f *fakeExitError) Error() string {
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return "fake exit"
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}
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func (f *fakeExitError) Exited() bool {
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return f.exited
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}
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func (f *fakeExitError) ExitStatus() int {
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return f.statusCode
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}
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func TestExec(t *testing.T) {
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prober := New()
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tenKilobyte := strings.Repeat("logs-123", 128*10) // 8*128*10=10240 = 10KB of text.
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elevenKilobyte := strings.Repeat("logs-123", 8*128*11) // 8*128*11=11264 = 11KB of text.
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tests := []struct {
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expectedStatus probe.Result
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expectError bool
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input string
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output string
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err error
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}{
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// Ok
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{probe.Success, false, "OK", "OK", nil},
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// Ok
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{probe.Success, false, "OK", "OK", &fakeExitError{true, 0}},
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// Ok - truncated output
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{probe.Success, false, elevenKilobyte, tenKilobyte, nil},
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// Run returns error
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{probe.Unknown, true, "", "", fmt.Errorf("test error")},
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// Unhealthy
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{probe.Failure, false, "Fail", "", &fakeExitError{true, 1}},
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}
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for i, test := range tests {
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fake := FakeCmd{
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out: []byte(test.output),
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err: test.err,
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}
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status, output, err := prober.Probe(&fake)
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if status != test.expectedStatus {
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t.Errorf("[%d] expected %v, got %v", i, test.expectedStatus, status)
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}
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if err != nil && test.expectError == false {
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t.Errorf("[%d] unexpected error: %v", i, err)
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}
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if err == nil && test.expectError == true {
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t.Errorf("[%d] unexpected non-error", i)
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}
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if test.output != output {
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t.Errorf("[%d] expected %s, got %s", i, test.output, output)
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}
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}
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}
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