istio.io/istio@v0.0.0-20240520182934-d79c90f27776/pkg/test/framework/components/echo/cmd/echogen/echogen_test.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"bytes"
    19  	"flag"
    20  	"testing"
    21  
    22  	"istio.io/istio/pilot/test/util"
    23  	"istio.io/istio/pkg/test/framework/config"
    24  )
    25  
    26  const (
    27  	testCfg    = "testdata/config.yaml"
    28  	goldenFile = "testdata/golden.yaml"
    29  )
    30  
    31  func TestGenerate(t *testing.T) {
    32  	if !config.Parsed() {
    33  		config.Parse()
    34  	}
    35  	flag.VisitAll(func(f *flag.Flag) {
    36  		// these change often, don't want to regen golden
    37  		switch f.Name {
    38  		case "istio.test.tag":
    39  			_ = f.Value.Set("testtag")
    40  		case "istio.test.variant":
    41  			_ = f.Value.Set("testvariant")
    42  		case "istio.test.hub":
    43  			_ = f.Value.Set("testhub")
    44  		case "istio.test.pullpolicy":
    45  			_ = f.Value.Set("IfNotPresent")
    46  		}
    47  	})
    48  	out := bytes.NewBuffer([]byte{})
    49  	generate(testCfg, "", false, out)
    50  	util.CompareContent(t, out.Bytes(), goldenFile)
    51  }