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flagdefs_test.go
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flagdefs_test.go
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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package test
import (
"cmd/go/internal/cfg"
"cmd/go/internal/test/internal/genflags"
"flag"
"internal/testenv"
"reflect"
"strings"
"testing"
)
func TestMain(m *testing.M) {
cfg.SetGOROOT(testenv.GOROOT(nil))
}
func TestPassFlagToTestIncludesAllTestFlags(t *testing.T) {
flag.VisitAll(func(f *flag.Flag) {
if !strings.HasPrefix(f.Name, "test.") {
return
}
name := strings.TrimPrefix(f.Name, "test.")
switch name {
case "testlogfile", "paniconexit0", "fuzzcachedir", "fuzzworker":
// These are internal flags.
default:
if !passFlagToTest[name] {
t.Errorf("passFlagToTest missing entry for %q (flag test.%s)", name, name)
t.Logf("(Run 'go generate cmd/go/internal/test' if it should be added.)")
}
}
})
for name := range passFlagToTest {
if flag.Lookup("test."+name) == nil {
t.Errorf("passFlagToTest contains %q, but flag -test.%s does not exist in test binary", name, name)
}
if CmdTest.Flag.Lookup(name) == nil {
t.Errorf("passFlagToTest contains %q, but flag -%s does not exist in 'go test' subcommand", name, name)
}
}
}
func TestVetAnalyzersSetIsCorrect(t *testing.T) {
vetAns, err := genflags.VetAnalyzers()
if err != nil {
t.Fatal(err)
}
want := make(map[string]bool)
for _, a := range vetAns {
want[a] = true
}
if !reflect.DeepEqual(want, passAnalyzersToVet) {
t.Errorf("stale vet analyzers: want %v; got %v", want, passAnalyzersToVet)
t.Logf("(Run 'go generate cmd/go/internal/test' to refresh the set of analyzers.)")
}
}