flagdefs_test.go

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package test
     6  
     7  import (
     8  	"cmd/go/internal/cfg"
     9  	"cmd/go/internal/test/internal/genflags"
    10  	"internal/testenv"
    11  	"maps"
    12  	"os"
    13  	"testing"
    14  )
    15  
    16  func TestMain(m *testing.M) {
    17  	cfg.SetGOROOT(testenv.GOROOT(nil), false)
    18  	os.Exit(m.Run())
    19  }
    20  
    21  func TestPassFlagToTest(t *testing.T) {
    22  	wantNames := genflags.ShortTestFlags()
    23  
    24  	missing := map[string]bool{}
    25  	for _, name := range wantNames {
    26  		if !passFlagToTest[name] {
    27  			missing[name] = true
    28  		}
    29  	}
    30  	if len(missing) > 0 {
    31  		t.Errorf("passFlagToTest is missing entries: %v", missing)
    32  	}
    33  
    34  	extra := maps.Clone(passFlagToTest)
    35  	for _, name := range wantNames {
    36  		delete(extra, name)
    37  	}
    38  	if len(extra) > 0 {
    39  		t.Errorf("passFlagToTest contains extra entries: %v", extra)
    40  	}
    41  
    42  	if t.Failed() {
    43  		t.Logf("To regenerate:\n\tgo generate cmd/go/internal/test")
    44  	}
    45  }
    46  
    47  func TestPassAnalyzersToVet(t *testing.T) {
    48  	testenv.MustHaveGoBuild(t) // runs 'go tool vet -flags'
    49  
    50  	wantNames, err := genflags.VetAnalyzers()
    51  	if err != nil {
    52  		t.Fatal(err)
    53  	}
    54  
    55  	missing := map[string]bool{}
    56  	for _, name := range wantNames {
    57  		if !passAnalyzersToVet[name] {
    58  			missing[name] = true
    59  		}
    60  	}
    61  	if len(missing) > 0 {
    62  		t.Errorf("passAnalyzersToVet is missing entries: %v", missing)
    63  	}
    64  
    65  	extra := maps.Clone(passAnalyzersToVet)
    66  	for _, name := range wantNames {
    67  		delete(extra, name)
    68  	}
    69  	if len(extra) > 0 {
    70  		t.Errorf("passFlagToTest contains extra entries: %v", extra)
    71  	}
    72  
    73  	if t.Failed() {
    74  		t.Logf("To regenerate:\n\tgo generate cmd/go/internal/test")
    75  	}
    76  }
    77
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