67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// Copyright 2017 The etcd 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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package main
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import (
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"log"
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"os"
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"strings"
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"testing"
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)
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func SplitTestArgs(args []string) (testArgs, appArgs []string) {
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for i, arg := range os.Args {
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switch {
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case strings.HasPrefix(arg, "-test."):
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testArgs = append(testArgs, arg)
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case i == 0:
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appArgs = append(appArgs, arg)
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testArgs = append(testArgs, arg)
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default:
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appArgs = append(appArgs, arg)
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}
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}
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return
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}
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// Empty test to avoid no-tests warning.
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func TestEmpty(t *testing.T) {}
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/**
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* The purpose of this "test" is to run etcdctl with code-coverage
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* collection turned on. The technique is documented here:
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*
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* https://www.cyphar.com/blog/post/20170412-golang-integration-coverage
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*/
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func TestMain(m *testing.M) {
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// don't launch etcdctl when invoked via go test
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if strings.HasSuffix(os.Args[0], "etcdctl.test") {
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return
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}
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testArgs, appArgs := SplitTestArgs(os.Args)
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os.Args = appArgs
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err := mainWithError()
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if err != nil {
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log.Fatalf("etcdctl failed with: %v", err)
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}
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// This will generate coverage files:
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os.Args = testArgs
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m.Run()
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}
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