mirror of https://github.com/grpc/grpc-go.git
103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
/*
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*
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* Copyright 2022 gRPC authors.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*/
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package orca_test
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import (
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"google.golang.org/grpc/internal/grpctest"
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"google.golang.org/grpc/internal/pretty"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/orca/internal"
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"google.golang.org/protobuf/proto"
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v3orcapb "github.com/cncf/xds/go/xds/data/orca/v3"
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)
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type s struct {
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grpctest.Tester
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}
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func Test(t *testing.T) {
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grpctest.RunSubTests(t, s{})
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}
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const defaultTestTimeout = 5 * time.Second
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func (s) TestToLoadReport(t *testing.T) {
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goodReport := &v3orcapb.OrcaLoadReport{
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CpuUtilization: 1.0,
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MemUtilization: 50.0,
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RequestCost: map[string]float64{"queryCost": 25.0},
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Utilization: map[string]float64{"queueSize": 75.0},
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}
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tests := []struct {
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name string
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md metadata.MD
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want *v3orcapb.OrcaLoadReport
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wantErr bool
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}{
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{
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name: "no load report in metadata",
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md: metadata.MD{},
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wantErr: false,
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},
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{
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name: "badly marshaled load report",
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md: func() metadata.MD {
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return metadata.Pairs("endpoint-load-metrics-bin", string("foo-bar"))
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}(),
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wantErr: true,
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},
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{
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name: "multiple load reports",
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md: func() metadata.MD {
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b, _ := proto.Marshal(goodReport)
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return metadata.Pairs("endpoint-load-metrics-bin", string(b), "endpoint-load-metrics-bin", string(b))
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}(),
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wantErr: true,
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},
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{
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name: "good load report",
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md: func() metadata.MD {
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b, _ := proto.Marshal(goodReport)
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return metadata.Pairs("endpoint-load-metrics-bin", string(b))
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}(),
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want: goodReport,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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got, err := internal.ToLoadReport(test.md)
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if (err != nil) != test.wantErr {
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t.Fatalf("orca.ToLoadReport(%v) = %v, wantErr: %v", test.md, err, test.wantErr)
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}
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if test.wantErr {
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return
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}
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if !cmp.Equal(got, test.want, cmp.Comparer(proto.Equal)) {
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t.Fatalf("Extracted load report from metadata: %s, want: %s", pretty.ToJSON(got), pretty.ToJSON(test.want))
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}
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})
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}
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}
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