+++ /dev/null
-// Copyright 2018 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.
-
-// +build go1.12
-
-package unitchecker_test
-
-// This test depends on features such as
-// go vet's support for vetx files (1.11) and
-// the (*os.ProcessState).ExitCode method (1.12).
-
-import (
- "flag"
- "os"
- "os/exec"
- "regexp"
- "runtime"
- "strings"
- "testing"
-
- "golang.org/x/tools/go/analysis/passes/findcall"
- "golang.org/x/tools/go/analysis/passes/printf"
- "golang.org/x/tools/go/analysis/unitchecker"
- "golang.org/x/tools/go/packages/packagestest"
-)
-
-func TestMain(m *testing.M) {
- if os.Getenv("UNITCHECKER_CHILD") == "1" {
- // child process
- main()
- panic("unreachable")
- }
-
- flag.Parse()
- os.Exit(m.Run())
-}
-
-func main() {
- unitchecker.Main(
- findcall.Analyzer,
- printf.Analyzer,
- )
-}
-
-// This is a very basic integration test of modular
-// analysis with facts using unitchecker under "go vet".
-// It fork/execs the main function above.
-func TestIntegration(t *testing.T) { packagestest.TestAll(t, testIntegration) }
-func testIntegration(t *testing.T, exporter packagestest.Exporter) {
- if runtime.GOOS != "linux" && runtime.GOOS != "darwin" {
- t.Skipf("skipping fork/exec test on this platform")
- }
-
- exported := packagestest.Export(t, exporter, []packagestest.Module{{
- Name: "golang.org/fake",
- Files: map[string]interface{}{
- "a/a.go": `package a
-
-func _() {
- MyFunc123()
-}
-
-func MyFunc123() {}
-`,
- "b/b.go": `package b
-
-import "golang.org/fake/a"
-
-func _() {
- a.MyFunc123()
- MyFunc123()
-}
-
-func MyFunc123() {}
-`,
- }}})
- defer exported.Cleanup()
-
- const wantA = `# golang.org/fake/a
-([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?a/a.go:4:11: call of MyFunc123\(...\)
-`
- const wantB = `# golang.org/fake/b
-([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?b/b.go:6:13: call of MyFunc123\(...\)
-([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?b/b.go:7:11: call of MyFunc123\(...\)
-`
- const wantAJSON = `# golang.org/fake/a
-\{
- "golang.org/fake/a": \{
- "findcall": \[
- \{
- "posn": "([/._\-a-zA-Z0-9]+[\\/]fake[\\/])?a/a.go:4:11",
- "message": "call of MyFunc123\(...\)"
- \}
- \]
- \}
-\}
-`
-
- for _, test := range []struct {
- args string
- wantOut string
- wantExit int
- }{
- {args: "golang.org/fake/a", wantOut: wantA, wantExit: 2},
- {args: "golang.org/fake/b", wantOut: wantB, wantExit: 2},
- {args: "golang.org/fake/a golang.org/fake/b", wantOut: wantA + wantB, wantExit: 2},
- {args: "-json golang.org/fake/a", wantOut: wantAJSON, wantExit: 0},
- {args: "-c=0 golang.org/fake/a", wantOut: wantA + "4 MyFunc123\\(\\)\n", wantExit: 2},
- } {
- cmd := exec.Command("go", "vet", "-vettool="+os.Args[0], "-findcall.name=MyFunc123")
- cmd.Args = append(cmd.Args, strings.Fields(test.args)...)
- cmd.Env = append(exported.Config.Env, "UNITCHECKER_CHILD=1")
- cmd.Dir = exported.Config.Dir
-
- out, err := cmd.CombinedOutput()
- exitcode := 0
- if exitErr, ok := err.(*exec.ExitError); ok {
- exitcode = exitErr.ExitCode()
- }
- if exitcode != test.wantExit {
- t.Errorf("%s: got exit code %d, want %d", test.args, exitcode, test.wantExit)
- }
-
- matched, err := regexp.Match(test.wantOut, out)
- if err != nil {
- t.Fatal(err)
- }
- if !matched {
- t.Errorf("%s: got <<%s>>, want match of regexp <<%s>>", test.args, out, test.wantOut)
- }
- }
-}