Add ingress (#18)

ingress/kube/annotations/retry_test.go

@@ -0,0 +1,147 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// 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.
+
+package annotations
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/gogo/protobuf/types"
+
+	networking "istio.io/api/networking/v1alpha3"
+)
+
+func TestRetryParse(t *testing.T) {
+	retry := retry{}
+	inputCases := []struct {
+		input  map[string]string
+		expect *RetryConfig
+	}{
+		{},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(retryCount): "1",
+			},
+			expect: &RetryConfig{
+				retryCount:      1,
+				perRetryTimeout: &types.Duration{},
+				retryOn:         "5xx",
+			},
+		},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(perRetryTimeout): "10",
+			},
+			expect: &RetryConfig{
+				retryCount: 3,
+				perRetryTimeout: &types.Duration{
+					Seconds: 10,
+				},
+				retryOn: "5xx",
+			},
+		},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(retryCount): "2",
+				buildNginxAnnotationKey(retryOn):    "off",
+			},
+			expect: &RetryConfig{
+				retryCount:      0,
+				perRetryTimeout: &types.Duration{},
+				retryOn:         "5xx",
+			},
+		},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(retryCount): "2",
+				buildNginxAnnotationKey(retryOn):    "error,timeout",
+			},
+			expect: &RetryConfig{
+				retryCount:      2,
+				perRetryTimeout: &types.Duration{},
+				retryOn:         "5xx",
+			},
+		},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(retryOn): "timeout,non_idempotent",
+			},
+			expect: &RetryConfig{
+				retryCount:      3,
+				perRetryTimeout: &types.Duration{},
+				retryOn:         "5xx,non_idempotent",
+			},
+		},
+		{
+			input: map[string]string{
+				buildNginxAnnotationKey(retryOn): "timeout,http_503,http_502,http_404",
+			},
+			expect: &RetryConfig{
+				retryCount:      3,
+				perRetryTimeout: &types.Duration{},
+				retryOn:         "5xx,retriable-status-codes,503,502,404",
+			},
+		},
+	}
+
+	for _, inputCase := range inputCases {
+		t.Run("", func(t *testing.T) {
+			config := &Ingress{}
+			_ = retry.Parse(inputCase.input, config, nil)
+			if !reflect.DeepEqual(inputCase.expect, config.Retry) {
+				t.Fatalf("Should be equal")
+			}
+		})
+	}
+}
+
+func TestRetryApplyRoute(t *testing.T) {
+	retry := retry{}
+	inputCases := []struct {
+		config *Ingress
+		input  *networking.HTTPRoute
+		expect *networking.HTTPRoute
+	}{
+		{
+			config: &Ingress{},
+			input:  &networking.HTTPRoute{},
+			expect: &networking.HTTPRoute{},
+		},
+		{
+			config: &Ingress{
+				Retry: &RetryConfig{
+					retryCount: 3,
+					retryOn:    "test",
+				},
+			},
+			input: &networking.HTTPRoute{},
+			expect: &networking.HTTPRoute{
+				Retries: &networking.HTTPRetry{
+					Attempts: 3,
+					RetryOn:  "test",
+				},
+			},
+		},
+	}
+
+	for _, inputCase := range inputCases {
+		t.Run("", func(t *testing.T) {
+			retry.ApplyRoute(inputCase.input, inputCase.config)
+			if !reflect.DeepEqual(inputCase.input, inputCase.expect) {
+				t.Fatalf("Should be equal")
+			}
+		})
+	}
+}