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|
//go:build !integration
// +build !integration
package kubernetes
import (
"bytes"
"encoding/json"
"errors"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
k8sversion "k8s.io/apimachinery/pkg/version"
"k8s.io/client-go/rest/fake"
)
func TestKubeClientFeatureChecker(t *testing.T) {
kubeClientErr := errors.New("clientErr")
version, _ := testVersionAndCodec()
tests := map[string]struct {
version k8sversion.Info
clientErr error
fn func(*testing.T, featureChecker)
}{
"host aliases supported version 1.7": {
version: k8sversion.Info{
Major: "1",
Minor: "7",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.NoError(t, err)
assert.True(t, supported)
},
},
"host aliases supported version 1.11": {
version: k8sversion.Info{
Major: "1",
Minor: "11",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.NoError(t, err)
assert.True(t, supported)
},
},
"host aliases not supported version 1.6": {
version: k8sversion.Info{
Major: "1",
Minor: "6",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.NoError(t, err)
assert.False(t, supported)
},
},
"host aliases cleanup version 1.6 not supported": {
version: k8sversion.Info{
Major: "1+535111",
Minor: "6.^&5151111",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.NoError(t, err)
assert.False(t, supported)
},
},
"host aliases cleanup version 1.14 supported": {
version: k8sversion.Info{
Major: "1*)(535111",
Minor: "14^^%&5151111",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.NoError(t, err)
assert.True(t, supported)
},
},
"host aliases cleanup invalid version with leading characters not supported": {
version: k8sversion.Info{
Major: "+1",
Minor: "-14",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.Error(t, err)
assert.False(t, supported)
assert.ErrorIs(t, err, &badVersionError{})
assert.Contains(t, err.Error(), "parsing Kubernetes version +1.-14")
},
},
"host aliases invalid version": {
version: k8sversion.Info{
Major: "aaa",
Minor: "bbb",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.Error(t, err)
assert.False(t, supported)
assert.ErrorIs(t, err, &badVersionError{})
},
},
"host aliases empty version": {
version: k8sversion.Info{
Major: "",
Minor: "",
},
clientErr: nil,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.Error(t, err)
assert.False(t, supported)
assert.ErrorIs(t, err, &badVersionError{})
},
},
"host aliases kube client error": {
version: k8sversion.Info{
Major: "",
Minor: "",
},
clientErr: kubeClientErr,
fn: func(t *testing.T, fc featureChecker) {
supported, err := fc.IsHostAliasSupported()
require.Error(t, err)
assert.ErrorIs(t, err, kubeClientErr)
assert.False(t, supported)
},
},
}
for tn, tt := range tests {
t.Run(tn, func(t *testing.T) {
rt := func(request *http.Request) (response *http.Response, err error) {
if tt.clientErr != nil {
return nil, tt.clientErr
}
ver, _ := json.Marshal(tt.version)
resp := &http.Response{
StatusCode: http.StatusOK,
Body: FakeReadCloser{
Reader: bytes.NewReader(ver),
},
}
resp.Header = make(http.Header)
resp.Header.Add("Content-Type", "application/json")
return resp, nil
}
fc := kubeClientFeatureChecker{
kubeClient: testKubernetesClient(version, fake.CreateHTTPClient(rt)),
}
tt.fn(t, &fc)
})
}
}
|
