116 lines
2.9 KiB
Go
116 lines
2.9 KiB
Go
/*
|
|
Copyright 2014 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.
|
|
*/
|
|
|
|
// This code is directly lifted from the Kubernetes codebase.
|
|
// For reference:
|
|
// https://github.com/kubernetes/kubernetes/blob/release-1.23/staging/src/k8s.io/kubectl/pkg/cmd/logs/logs_test.go#L724-L789
|
|
|
|
package lifted
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
"io"
|
|
"io/ioutil"
|
|
"strings"
|
|
"testing"
|
|
"testing/iotest"
|
|
|
|
restclient "k8s.io/client-go/rest"
|
|
)
|
|
|
|
func TestDefaultConsumeRequest(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
request restclient.ResponseWrapper
|
|
expectedErr string
|
|
expectedOut string
|
|
}{
|
|
{
|
|
name: "error from request stream",
|
|
request: &responseWrapperMock{
|
|
err: errors.New("err from the stream"),
|
|
},
|
|
expectedErr: "err from the stream",
|
|
},
|
|
{
|
|
name: "error while reading",
|
|
request: &responseWrapperMock{
|
|
data: iotest.TimeoutReader(strings.NewReader("Some data")),
|
|
},
|
|
expectedErr: iotest.ErrTimeout.Error(),
|
|
expectedOut: "Some data",
|
|
},
|
|
{
|
|
name: "read with empty string",
|
|
request: &responseWrapperMock{
|
|
data: strings.NewReader(""),
|
|
},
|
|
expectedOut: "",
|
|
},
|
|
{
|
|
name: "read without new lines",
|
|
request: &responseWrapperMock{
|
|
data: strings.NewReader("some string without a new line"),
|
|
},
|
|
expectedOut: "some string without a new line",
|
|
},
|
|
{
|
|
name: "read with newlines in the middle",
|
|
request: &responseWrapperMock{
|
|
data: strings.NewReader("foo\nbar"),
|
|
},
|
|
expectedOut: "foo\nbar",
|
|
},
|
|
{
|
|
name: "read with newline at the end",
|
|
request: &responseWrapperMock{
|
|
data: strings.NewReader("foo\n"),
|
|
},
|
|
expectedOut: "foo\n",
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
buf := &bytes.Buffer{}
|
|
err := DefaultConsumeRequest(test.request, buf)
|
|
|
|
if err != nil && !strings.Contains(err.Error(), test.expectedErr) {
|
|
t.Errorf("%s: expected to find:\n\t%s\nfound:\n\t%s\n", test.name, test.expectedErr, err.Error())
|
|
}
|
|
|
|
if buf.String() != test.expectedOut {
|
|
t.Errorf("%s: did not get expected log content. Got: %s", test.name, buf.String())
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
type responseWrapperMock struct {
|
|
data io.Reader
|
|
err error
|
|
}
|
|
|
|
func (r *responseWrapperMock) DoRaw(context.Context) ([]byte, error) {
|
|
data, _ := ioutil.ReadAll(r.data)
|
|
return data, r.err
|
|
}
|
|
|
|
func (r *responseWrapperMock) Stream(context.Context) (io.ReadCloser, error) {
|
|
return ioutil.NopCloser(r.data), r.err
|
|
}
|