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Merge pull request #91041 from weijiehu/azureroutetableclient
Improves unittest CC for azure_routetableclient
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
0171b12ad6
@ -28,9 +28,11 @@ go_test(
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srcs = ["azure_routetableclient_test.go"],
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embed = [":go_default_library"],
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deps = [
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"//staging/src/k8s.io/client-go/util/flowcontrol:go_default_library",
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"//staging/src/k8s.io/legacy-cloud-providers/azure/clients:go_default_library",
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"//staging/src/k8s.io/legacy-cloud-providers/azure/clients/armclient:go_default_library",
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"//staging/src/k8s.io/legacy-cloud-providers/azure/clients/armclient/mockarmclient:go_default_library",
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"//staging/src/k8s.io/legacy-cloud-providers/azure/retry:go_default_library",
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"//vendor/github.com/Azure/azure-sdk-for-go/services/network/mgmt/2019-06-01/network:go_default_library",
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"//vendor/github.com/Azure/go-autorest/autorest:go_default_library",
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"//vendor/github.com/Azure/go-autorest/autorest/to:go_default_library",
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@ -25,6 +25,7 @@ import (
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"io/ioutil"
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"net/http"
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"testing"
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"time"
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"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2019-06-01/network"
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"github.com/Azure/go-autorest/autorest"
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@ -32,11 +33,61 @@ import (
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"github.com/golang/mock/gomock"
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"github.com/stretchr/testify/assert"
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"k8s.io/client-go/util/flowcontrol"
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azclients "k8s.io/legacy-cloud-providers/azure/clients"
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"k8s.io/legacy-cloud-providers/azure/clients/armclient"
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"k8s.io/legacy-cloud-providers/azure/clients/armclient/mockarmclient"
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"k8s.io/legacy-cloud-providers/azure/retry"
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)
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// 2065-01-24 05:20:00 +0000 UTC
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func getFutureTime() time.Time {
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return time.Unix(3000000000, 0)
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}
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func TestNew(t *testing.T) {
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config := &azclients.ClientConfig{
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SubscriptionID: "sub",
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ResourceManagerEndpoint: "endpoint",
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Location: "eastus",
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RateLimitConfig: &azclients.RateLimitConfig{
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CloudProviderRateLimit: true,
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CloudProviderRateLimitQPS: 0.5,
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CloudProviderRateLimitBucket: 1,
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CloudProviderRateLimitQPSWrite: 0.5,
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CloudProviderRateLimitBucketWrite: 1,
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},
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Backoff: &retry.Backoff{Steps: 1},
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}
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routetableClient := New(config)
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assert.Equal(t, "sub", routetableClient.subscriptionID)
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assert.NotEmpty(t, routetableClient.rateLimiterReader)
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assert.NotEmpty(t, routetableClient.rateLimiterWriter)
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}
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func TestGet(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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resourceID := "/subscriptions/subscriptionID/resourceGroups/rg/providers/Microsoft.Network/routeTables/rt1"
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response := &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("{}"))),
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}
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armClient := mockarmclient.NewMockInterface(ctrl)
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armClient.EXPECT().GetResource(gomock.Any(), resourceID, "").Return(response, nil).Times(1)
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armClient.EXPECT().CloseResponse(gomock.Any(), gomock.Any()).Times(1)
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routetableClient := getTestRouteTableClient(armClient)
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expected := network.RouteTable{}
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expected.Response = autorest.Response{Response: response}
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result, rerr := routetableClient.Get(context.TODO(), "rg", "rt1", "")
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assert.Equal(t, expected, result)
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assert.Nil(t, rerr)
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}
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func TestGetNotFound(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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@ -79,24 +130,166 @@ func TestGetInternalError(t *testing.T) {
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assert.Equal(t, http.StatusInternalServerError, rerr.HTTPStatusCode)
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}
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func TestGetNeverRateLimiter(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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rtGetErr := &retry.Error{
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RawError: fmt.Errorf("azure cloud provider rate limited(%s) for operation %q", "read", "RouteTableGet"),
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Retriable: true,
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}
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armClient := mockarmclient.NewMockInterface(ctrl)
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routetableClient := getTestRouteTableClientWithNeverRateLimiter(armClient)
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expected := network.RouteTable{}
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result, rerr := routetableClient.Get(context.TODO(), "rg", "rt1", "")
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assert.Equal(t, expected, result)
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assert.Equal(t, rtGetErr, rerr)
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}
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func TestGetRetryAfterReader(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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rtGetErr := &retry.Error{
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RawError: fmt.Errorf("azure cloud provider throttled for operation %s with reason %q", "RouteTableGet", "client throttled"),
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Retriable: true,
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RetryAfter: getFutureTime(),
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}
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armClient := mockarmclient.NewMockInterface(ctrl)
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routetableClient := getTestRouteTableClientWithRetryAfterReader(armClient)
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expected := network.RouteTable{}
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result, rerr := routetableClient.Get(context.TODO(), "rg", "rt1", "")
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assert.Equal(t, expected, result)
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assert.Equal(t, rtGetErr, rerr)
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}
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func TestGetThrottle(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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resourceID := "/subscriptions/subscriptionID/resourceGroups/rg/providers/Microsoft.Network/routeTables/rt1"
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response := &http.Response{
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StatusCode: http.StatusTooManyRequests,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("{}"))),
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}
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throttleErr := &retry.Error{
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HTTPStatusCode: http.StatusTooManyRequests,
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RawError: fmt.Errorf("error"),
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Retriable: true,
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RetryAfter: time.Unix(100, 0),
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}
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armClient := mockarmclient.NewMockInterface(ctrl)
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armClient.EXPECT().GetResource(gomock.Any(), resourceID, "").Return(response, throttleErr).Times(1)
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armClient.EXPECT().CloseResponse(gomock.Any(), gomock.Any()).Times(1)
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routetableClient := getTestRouteTableClient(armClient)
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result, rerr := routetableClient.Get(context.TODO(), "rg", "rt1", "")
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assert.Empty(t, result)
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assert.Equal(t, throttleErr, rerr)
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}
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func TestCreateOrUpdate(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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lb := getTestRouteTable("rt1")
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rt1 := getTestRouteTable("rt1")
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armClient := mockarmclient.NewMockInterface(ctrl)
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response := &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewReader([]byte(""))),
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}
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armClient.EXPECT().PutResourceWithDecorators(gomock.Any(), to.String(lb.ID), lb, gomock.Any()).Return(response, nil).Times(1)
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armClient.EXPECT().PutResourceWithDecorators(gomock.Any(), to.String(rt1.ID), rt1, gomock.Any()).Return(response, nil).Times(1)
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armClient.EXPECT().CloseResponse(gomock.Any(), gomock.Any()).Times(1)
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rtClient := getTestRouteTableClient(armClient)
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rerr := rtClient.CreateOrUpdate(context.TODO(), "rg", "rt1", lb, "")
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rerr := rtClient.CreateOrUpdate(context.TODO(), "rg", "rt1", rt1, "*")
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assert.Nil(t, rerr)
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}
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func TestCreateOrUpdateWithNeverRateLimiter(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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rcCreateOrUpdatetErr := &retry.Error{
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RawError: fmt.Errorf("azure cloud provider rate limited(%s) for operation %q", "write", "RouteTableCreateOrUpdate"),
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Retriable: true,
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}
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rt1 := getTestRouteTable("rt1")
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armClient := mockarmclient.NewMockInterface(ctrl)
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routetableClient := getTestRouteTableClientWithNeverRateLimiter(armClient)
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rerr := routetableClient.CreateOrUpdate(context.TODO(), "rg", "rt1", rt1, "")
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assert.Equal(t, rcCreateOrUpdatetErr, rerr)
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}
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func TestCreateOrUpdateRetryAfterReader(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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rcCreateOrUpdateErr := &retry.Error{
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RawError: fmt.Errorf("azure cloud provider throttled for operation %s with reason %q", "RouteTableCreateOrUpdate", "client throttled"),
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Retriable: true,
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RetryAfter: getFutureTime(),
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}
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rt1 := getTestRouteTable("rt1")
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armClient := mockarmclient.NewMockInterface(ctrl)
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routetableClient := getTestRouteTableClientWithRetryAfterReader(armClient)
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rerr := routetableClient.CreateOrUpdate(context.TODO(), "rg", "rt1", rt1, "")
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assert.NotNil(t, rerr)
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assert.Equal(t, rcCreateOrUpdateErr, rerr)
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}
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func TestCreateOrUpdateThrottle(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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response := &http.Response{
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StatusCode: http.StatusTooManyRequests,
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Body: ioutil.NopCloser(bytes.NewReader([]byte("{}"))),
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}
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throttleErr := &retry.Error{
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HTTPStatusCode: http.StatusTooManyRequests,
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RawError: fmt.Errorf("error"),
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Retriable: true,
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RetryAfter: time.Unix(100, 0),
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}
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rt1 := getTestRouteTable("rt1")
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armClient := mockarmclient.NewMockInterface(ctrl)
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armClient.EXPECT().PutResourceWithDecorators(gomock.Any(), to.String(rt1.ID), rt1, gomock.Any()).Return(response, throttleErr).Times(1)
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armClient.EXPECT().CloseResponse(gomock.Any(), gomock.Any()).Times(1)
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routetableClient := getTestRouteTableClient(armClient)
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rerr := routetableClient.CreateOrUpdate(context.TODO(), "rg", "rt1", rt1, "")
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assert.Equal(t, throttleErr, rerr)
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}
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func TestCreateOrUpdateWithCreateOrUpdateResponderError(t *testing.T) {
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ctrl := gomock.NewController(t)
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defer ctrl.Finish()
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rt1 := getTestRouteTable("rt1")
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armClient := mockarmclient.NewMockInterface(ctrl)
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response := &http.Response{
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StatusCode: http.StatusNotFound,
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Body: ioutil.NopCloser(bytes.NewReader([]byte(""))),
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}
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armClient.EXPECT().PutResourceWithDecorators(gomock.Any(), to.String(rt1.ID), rt1, gomock.Any()).Return(response, nil).Times(1)
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armClient.EXPECT().CloseResponse(gomock.Any(), gomock.Any()).Times(1)
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routetableClient := getTestRouteTableClient(armClient)
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rerr := routetableClient.CreateOrUpdate(context.TODO(), "rg", "rt1", rt1, "")
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assert.NotNil(t, rerr)
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}
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func getTestRouteTable(name string) network.RouteTable {
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return network.RouteTable{
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ID: to.StringPtr(fmt.Sprintf("/subscriptions/subscriptionID/resourceGroups/rg/providers/Microsoft.Network/routeTables/%s", name)),
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@ -114,3 +307,27 @@ func getTestRouteTableClient(armClient armclient.Interface) *Client {
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rateLimiterWriter: rateLimiterWriter,
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}
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}
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func getTestRouteTableClientWithNeverRateLimiter(armClient armclient.Interface) *Client {
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rateLimiterReader := flowcontrol.NewFakeNeverRateLimiter()
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rateLimiterWriter := flowcontrol.NewFakeNeverRateLimiter()
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return &Client{
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armClient: armClient,
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subscriptionID: "subscriptionID",
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rateLimiterReader: rateLimiterReader,
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rateLimiterWriter: rateLimiterWriter,
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}
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}
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func getTestRouteTableClientWithRetryAfterReader(armClient armclient.Interface) *Client {
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rateLimiterReader := flowcontrol.NewFakeAlwaysRateLimiter()
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rateLimiterWriter := flowcontrol.NewFakeAlwaysRateLimiter()
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return &Client{
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armClient: armClient,
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subscriptionID: "subscriptionID",
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rateLimiterReader: rateLimiterReader,
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rateLimiterWriter: rateLimiterWriter,
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RetryAfterReader: getFutureTime(),
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RetryAfterWriter: getFutureTime(),
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}
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}
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