mirror of https://go.googlesource.com/go
829 lines
24 KiB
Go
829 lines
24 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package build
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import (
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"fmt"
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"internal/testenv"
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"io"
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"os"
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"path/filepath"
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"reflect"
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"runtime"
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"strings"
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"testing"
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)
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func TestMain(m *testing.M) {
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Default.GOROOT = testenv.GOROOT(nil)
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os.Exit(m.Run())
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}
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func TestMatch(t *testing.T) {
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ctxt := Default
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what := "default"
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match := func(tag string, want map[string]bool) {
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t.Helper()
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m := make(map[string]bool)
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if !ctxt.matchAuto(tag, m) {
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t.Errorf("%s context should match %s, does not", what, tag)
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}
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if !reflect.DeepEqual(m, want) {
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t.Errorf("%s tags = %v, want %v", tag, m, want)
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}
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}
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nomatch := func(tag string, want map[string]bool) {
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t.Helper()
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m := make(map[string]bool)
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if ctxt.matchAuto(tag, m) {
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t.Errorf("%s context should NOT match %s, does", what, tag)
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}
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if !reflect.DeepEqual(m, want) {
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t.Errorf("%s tags = %v, want %v", tag, m, want)
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}
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}
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match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
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match(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
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nomatch(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
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what = "modified"
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ctxt.BuildTags = []string{"foo"}
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match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
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match(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
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nomatch(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
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match(runtime.GOOS+","+runtime.GOARCH+",!bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
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nomatch(runtime.GOOS+","+runtime.GOARCH+",bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
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}
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func TestDotSlashImport(t *testing.T) {
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p, err := ImportDir("testdata/other", 0)
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if err != nil {
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t.Fatal(err)
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}
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if len(p.Imports) != 1 || p.Imports[0] != "./file" {
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t.Fatalf("testdata/other: Imports=%v, want [./file]", p.Imports)
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}
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p1, err := Import("./file", "testdata/other", 0)
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if err != nil {
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t.Fatal(err)
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}
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if p1.Name != "file" {
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t.Fatalf("./file: Name=%q, want %q", p1.Name, "file")
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}
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dir := filepath.Clean("testdata/other/file") // Clean to use \ on Windows
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if p1.Dir != dir {
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t.Fatalf("./file: Dir=%q, want %q", p1.Name, dir)
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}
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}
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func TestEmptyImport(t *testing.T) {
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p, err := Import("", testenv.GOROOT(t), FindOnly)
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if err == nil {
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t.Fatal(`Import("") returned nil error.`)
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}
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if p == nil {
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t.Fatal(`Import("") returned nil package.`)
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}
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if p.ImportPath != "" {
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t.Fatalf("ImportPath=%q, want %q.", p.ImportPath, "")
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}
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}
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func TestEmptyFolderImport(t *testing.T) {
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_, err := Import(".", "testdata/empty", 0)
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if _, ok := err.(*NoGoError); !ok {
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t.Fatal(`Import("testdata/empty") did not return NoGoError.`)
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}
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}
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func TestMultiplePackageImport(t *testing.T) {
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pkg, err := Import(".", "testdata/multi", 0)
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mpe, ok := err.(*MultiplePackageError)
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if !ok {
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t.Fatal(`Import("testdata/multi") did not return MultiplePackageError.`)
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}
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want := &MultiplePackageError{
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Dir: filepath.FromSlash("testdata/multi"),
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Packages: []string{"main", "test_package"},
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Files: []string{"file.go", "file_appengine.go"},
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}
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if !reflect.DeepEqual(mpe, want) {
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t.Errorf("err = %#v; want %#v", mpe, want)
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}
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// TODO(#45999): Since the name is ambiguous, pkg.Name should be left empty.
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if wantName := "main"; pkg.Name != wantName {
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t.Errorf("pkg.Name = %q; want %q", pkg.Name, wantName)
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}
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if wantGoFiles := []string{"file.go", "file_appengine.go"}; !reflect.DeepEqual(pkg.GoFiles, wantGoFiles) {
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t.Errorf("pkg.GoFiles = %q; want %q", pkg.GoFiles, wantGoFiles)
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}
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if wantInvalidFiles := []string{"file_appengine.go"}; !reflect.DeepEqual(pkg.InvalidGoFiles, wantInvalidFiles) {
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t.Errorf("pkg.InvalidGoFiles = %q; want %q", pkg.InvalidGoFiles, wantInvalidFiles)
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}
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}
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func TestLocalDirectory(t *testing.T) {
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if runtime.GOOS == "ios" {
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t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
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}
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cwd, err := os.Getwd()
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if err != nil {
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t.Fatal(err)
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}
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p, err := ImportDir(cwd, 0)
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if err != nil {
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t.Fatal(err)
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}
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if p.ImportPath != "go/build" {
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t.Fatalf("ImportPath=%q, want %q", p.ImportPath, "go/build")
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}
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}
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var shouldBuildTests = []struct {
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name string
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content string
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tags map[string]bool
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binaryOnly bool
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shouldBuild bool
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err error
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}{
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{
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name: "Yes",
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content: "// +build yes\n\n" +
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"package main\n",
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tags: map[string]bool{"yes": true},
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shouldBuild: true,
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},
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{
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name: "Yes2",
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content: "//go:build yes\n" +
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"package main\n",
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tags: map[string]bool{"yes": true},
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shouldBuild: true,
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},
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{
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name: "Or",
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content: "// +build no yes\n\n" +
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"package main\n",
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tags: map[string]bool{"yes": true, "no": true},
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shouldBuild: true,
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},
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{
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name: "Or2",
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content: "//go:build no || yes\n" +
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"package main\n",
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tags: map[string]bool{"yes": true, "no": true},
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shouldBuild: true,
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},
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{
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name: "And",
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content: "// +build no,yes\n\n" +
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"package main\n",
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tags: map[string]bool{"yes": true, "no": true},
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shouldBuild: false,
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},
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{
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name: "And2",
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content: "//go:build no && yes\n" +
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"package main\n",
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tags: map[string]bool{"yes": true, "no": true},
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shouldBuild: false,
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},
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{
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name: "Cgo",
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content: "// +build cgo\n\n" +
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"// Copyright The Go Authors.\n\n" +
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"// This package implements parsing of tags like\n" +
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"// +build tag1\n" +
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"package build",
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tags: map[string]bool{"cgo": true},
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shouldBuild: false,
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},
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{
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name: "Cgo2",
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content: "//go:build cgo\n" +
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"// Copyright The Go Authors.\n\n" +
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"// This package implements parsing of tags like\n" +
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"// +build tag1\n" +
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"package build",
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tags: map[string]bool{"cgo": true},
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shouldBuild: false,
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},
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{
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name: "AfterPackage",
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content: "// Copyright The Go Authors.\n\n" +
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"package build\n\n" +
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"// shouldBuild checks tags given by lines of the form\n" +
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"// +build tag\n" +
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"//go:build tag\n" +
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"func shouldBuild(content []byte)\n",
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tags: map[string]bool{},
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shouldBuild: true,
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},
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{
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name: "TooClose",
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content: "// +build yes\n" +
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"package main\n",
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tags: map[string]bool{},
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shouldBuild: true,
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},
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{
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name: "TooClose2",
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content: "//go:build yes\n" +
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"package main\n",
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tags: map[string]bool{"yes": true},
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shouldBuild: true,
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},
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{
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name: "TooCloseNo",
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content: "// +build no\n" +
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"package main\n",
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tags: map[string]bool{},
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shouldBuild: true,
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},
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{
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name: "TooCloseNo2",
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content: "//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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{
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name: "BinaryOnly",
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content: "//go:binary-only-package\n" +
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"// +build yes\n" +
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"package main\n",
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tags: map[string]bool{},
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binaryOnly: true,
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shouldBuild: true,
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},
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{
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name: "BinaryOnly2",
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content: "//go:binary-only-package\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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binaryOnly: true,
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shouldBuild: false,
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},
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{
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name: "ValidGoBuild",
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content: "// +build yes\n\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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{
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name: "MissingBuild2",
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content: "/* */\n" +
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"// +build yes\n\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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{
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name: "Comment1",
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content: "/*\n" +
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"//go:build no\n" +
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"*/\n\n" +
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"package main\n",
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tags: map[string]bool{},
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shouldBuild: true,
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},
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{
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name: "Comment2",
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content: "/*\n" +
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"text\n" +
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"*/\n\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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{
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name: "Comment3",
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content: "/*/*/ /* hi *//* \n" +
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"text\n" +
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"*/\n\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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{
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name: "Comment4",
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content: "/**///go:build no\n" +
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"package main\n",
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tags: map[string]bool{},
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shouldBuild: true,
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},
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{
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name: "Comment5",
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content: "/**/\n" +
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"//go:build no\n" +
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"package main\n",
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tags: map[string]bool{"no": true},
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shouldBuild: false,
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},
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}
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func TestShouldBuild(t *testing.T) {
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for _, tt := range shouldBuildTests {
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t.Run(tt.name, func(t *testing.T) {
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ctx := &Context{BuildTags: []string{"yes"}}
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tags := map[string]bool{}
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shouldBuild, binaryOnly, err := ctx.shouldBuild([]byte(tt.content), tags)
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if shouldBuild != tt.shouldBuild || binaryOnly != tt.binaryOnly || !reflect.DeepEqual(tags, tt.tags) || err != tt.err {
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t.Errorf("mismatch:\n"+
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"have shouldBuild=%v, binaryOnly=%v, tags=%v, err=%v\n"+
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"want shouldBuild=%v, binaryOnly=%v, tags=%v, err=%v",
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shouldBuild, binaryOnly, tags, err,
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tt.shouldBuild, tt.binaryOnly, tt.tags, tt.err)
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}
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})
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}
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}
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func TestGoodOSArchFile(t *testing.T) {
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ctx := &Context{BuildTags: []string{"linux"}, GOOS: "darwin"}
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m := map[string]bool{}
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want := map[string]bool{"linux": true}
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if !ctx.goodOSArchFile("hello_linux.go", m) {
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t.Errorf("goodOSArchFile(hello_linux.go) = false, want true")
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}
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if !reflect.DeepEqual(m, want) {
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t.Errorf("goodOSArchFile(hello_linux.go) tags = %v, want %v", m, want)
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}
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}
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type readNopCloser struct {
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io.Reader
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}
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func (r readNopCloser) Close() error {
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return nil
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}
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var (
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ctxtP9 = Context{GOARCH: "arm", GOOS: "plan9"}
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ctxtAndroid = Context{GOARCH: "arm", GOOS: "android"}
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)
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var matchFileTests = []struct {
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ctxt Context
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name string
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data string
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match bool
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}{
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{ctxtP9, "foo_arm.go", "", true},
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{ctxtP9, "foo1_arm.go", "// +build linux\n\npackage main\n", false},
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{ctxtP9, "foo_darwin.go", "", false},
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{ctxtP9, "foo.go", "", true},
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{ctxtP9, "foo1.go", "// +build linux\n\npackage main\n", false},
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{ctxtP9, "foo.badsuffix", "", false},
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{ctxtAndroid, "foo_linux.go", "", true},
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{ctxtAndroid, "foo_android.go", "", true},
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{ctxtAndroid, "foo_plan9.go", "", false},
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{ctxtAndroid, "android.go", "", true},
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{ctxtAndroid, "plan9.go", "", true},
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{ctxtAndroid, "plan9_test.go", "", true},
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{ctxtAndroid, "arm.s", "", true},
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{ctxtAndroid, "amd64.s", "", true},
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}
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func TestMatchFile(t *testing.T) {
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for _, tt := range matchFileTests {
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ctxt := tt.ctxt
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ctxt.OpenFile = func(path string) (r io.ReadCloser, err error) {
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if path != "x+"+tt.name {
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t.Fatalf("OpenFile asked for %q, expected %q", path, "x+"+tt.name)
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}
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return &readNopCloser{strings.NewReader(tt.data)}, nil
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}
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ctxt.JoinPath = func(elem ...string) string {
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return strings.Join(elem, "+")
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}
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match, err := ctxt.MatchFile("x", tt.name)
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if match != tt.match || err != nil {
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t.Fatalf("MatchFile(%q) = %v, %v, want %v, nil", tt.name, match, err, tt.match)
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}
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}
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}
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func TestImportCmd(t *testing.T) {
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if runtime.GOOS == "ios" {
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t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
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}
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p, err := Import("cmd/internal/objfile", "", 0)
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if err != nil {
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t.Fatal(err)
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}
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if !strings.HasSuffix(filepath.ToSlash(p.Dir), "src/cmd/internal/objfile") {
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t.Fatalf("Import cmd/internal/objfile returned Dir=%q, want %q", filepath.ToSlash(p.Dir), ".../src/cmd/internal/objfile")
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}
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}
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|
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var (
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expandSrcDirPath = filepath.Join(string(filepath.Separator)+"projects", "src", "add")
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)
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var expandSrcDirTests = []struct {
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input, expected string
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}{
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{"-L ${SRCDIR}/libs -ladd", "-L /projects/src/add/libs -ladd"},
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{"${SRCDIR}/add_linux_386.a -pthread -lstdc++", "/projects/src/add/add_linux_386.a -pthread -lstdc++"},
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{"Nothing to expand here!", "Nothing to expand here!"},
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{"$", "$"},
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{"$$", "$$"},
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{"${", "${"},
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{"$}", "$}"},
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{"$FOO ${BAR}", "$FOO ${BAR}"},
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{"Find me the $SRCDIRECTORY.", "Find me the $SRCDIRECTORY."},
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{"$SRCDIR is missing braces", "$SRCDIR is missing braces"},
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}
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func TestExpandSrcDir(t *testing.T) {
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for _, test := range expandSrcDirTests {
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output, _ := expandSrcDir(test.input, expandSrcDirPath)
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if output != test.expected {
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t.Errorf("%q expands to %q with SRCDIR=%q when %q is expected", test.input, output, expandSrcDirPath, test.expected)
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} else {
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t.Logf("%q expands to %q with SRCDIR=%q", test.input, output, expandSrcDirPath)
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}
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}
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}
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func TestShellSafety(t *testing.T) {
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tests := []struct {
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input, srcdir, expected string
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result bool
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}{
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{"-I${SRCDIR}/../include", "/projects/src/issue 11868", "-I/projects/src/issue 11868/../include", true},
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{"-I${SRCDIR}", "~wtf$@%^", "-I~wtf$@%^", true},
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{"-X${SRCDIR}/1,${SRCDIR}/2", "/projects/src/issue 11868", "-X/projects/src/issue 11868/1,/projects/src/issue 11868/2", true},
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{"-I/tmp -I/tmp", "/tmp2", "-I/tmp -I/tmp", true},
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{"-I/tmp", "/tmp/[0]", "-I/tmp", true},
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{"-I${SRCDIR}/dir", "/tmp/[0]", "-I/tmp/[0]/dir", false},
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{"-I${SRCDIR}/dir", "/tmp/go go", "-I/tmp/go go/dir", true},
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{"-I${SRCDIR}/dir dir", "/tmp/go", "-I/tmp/go/dir dir", true},
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}
|
|
for _, test := range tests {
|
|
output, ok := expandSrcDir(test.input, test.srcdir)
|
|
if ok != test.result {
|
|
t.Errorf("Expected %t while %q expands to %q with SRCDIR=%q; got %t", test.result, test.input, output, test.srcdir, ok)
|
|
}
|
|
if output != test.expected {
|
|
t.Errorf("Expected %q while %q expands with SRCDIR=%q; got %q", test.expected, test.input, test.srcdir, output)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Want to get a "cannot find package" error when directory for package does not exist.
|
|
// There should be valid partial information in the returned non-nil *Package.
|
|
func TestImportDirNotExist(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t) // really must just have source
|
|
ctxt := Default
|
|
|
|
emptyDir := t.TempDir()
|
|
|
|
ctxt.GOPATH = emptyDir
|
|
ctxt.Dir = emptyDir
|
|
|
|
tests := []struct {
|
|
label string
|
|
path, srcDir string
|
|
mode ImportMode
|
|
}{
|
|
{"Import(full, 0)", "go/build/doesnotexist", "", 0},
|
|
{"Import(local, 0)", "./doesnotexist", filepath.Join(ctxt.GOROOT, "src/go/build"), 0},
|
|
{"Import(full, FindOnly)", "go/build/doesnotexist", "", FindOnly},
|
|
{"Import(local, FindOnly)", "./doesnotexist", filepath.Join(ctxt.GOROOT, "src/go/build"), FindOnly},
|
|
}
|
|
|
|
defer os.Setenv("GO111MODULE", os.Getenv("GO111MODULE"))
|
|
|
|
for _, GO111MODULE := range []string{"off", "on"} {
|
|
t.Run("GO111MODULE="+GO111MODULE, func(t *testing.T) {
|
|
os.Setenv("GO111MODULE", GO111MODULE)
|
|
|
|
for _, test := range tests {
|
|
p, err := ctxt.Import(test.path, test.srcDir, test.mode)
|
|
|
|
errOk := (err != nil && strings.HasPrefix(err.Error(), "cannot find package"))
|
|
wantErr := `"cannot find package" error`
|
|
if test.srcDir == "" {
|
|
if err != nil && strings.Contains(err.Error(), "is not in std") {
|
|
errOk = true
|
|
}
|
|
wantErr = `"cannot find package" or "is not in std" error`
|
|
}
|
|
if !errOk {
|
|
t.Errorf("%s got error: %q, want %s", test.label, err, wantErr)
|
|
}
|
|
// If an error occurs, build.Import is documented to return
|
|
// a non-nil *Package containing partial information.
|
|
if p == nil {
|
|
t.Fatalf(`%s got nil p, want non-nil *Package`, test.label)
|
|
}
|
|
// Verify partial information in p.
|
|
if p.ImportPath != "go/build/doesnotexist" {
|
|
t.Errorf(`%s got p.ImportPath: %q, want "go/build/doesnotexist"`, test.label, p.ImportPath)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestImportVendor(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t) // really must just have source
|
|
|
|
t.Setenv("GO111MODULE", "off")
|
|
|
|
ctxt := Default
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ctxt.GOPATH = filepath.Join(wd, "testdata/withvendor")
|
|
p, err := ctxt.Import("c/d", filepath.Join(ctxt.GOPATH, "src/a/b"), 0)
|
|
if err != nil {
|
|
t.Fatalf("cannot find vendored c/d from testdata src/a/b directory: %v", err)
|
|
}
|
|
want := "a/vendor/c/d"
|
|
if p.ImportPath != want {
|
|
t.Fatalf("Import succeeded but found %q, want %q", p.ImportPath, want)
|
|
}
|
|
}
|
|
|
|
func BenchmarkImportVendor(b *testing.B) {
|
|
testenv.MustHaveGoBuild(b) // really must just have source
|
|
|
|
b.Setenv("GO111MODULE", "off")
|
|
|
|
ctxt := Default
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
ctxt.GOPATH = filepath.Join(wd, "testdata/withvendor")
|
|
dir := filepath.Join(ctxt.GOPATH, "src/a/b")
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
_, err := ctxt.Import("c/d", dir, 0)
|
|
if err != nil {
|
|
b.Fatalf("cannot find vendored c/d from testdata src/a/b directory: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestImportVendorFailure(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t) // really must just have source
|
|
|
|
t.Setenv("GO111MODULE", "off")
|
|
|
|
ctxt := Default
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ctxt.GOPATH = filepath.Join(wd, "testdata/withvendor")
|
|
p, err := ctxt.Import("x.com/y/z", filepath.Join(ctxt.GOPATH, "src/a/b"), 0)
|
|
if err == nil {
|
|
t.Fatalf("found made-up package x.com/y/z in %s", p.Dir)
|
|
}
|
|
|
|
e := err.Error()
|
|
if !strings.Contains(e, " (vendor tree)") {
|
|
t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
|
|
}
|
|
}
|
|
|
|
func TestImportVendorParentFailure(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t) // really must just have source
|
|
|
|
t.Setenv("GO111MODULE", "off")
|
|
|
|
ctxt := Default
|
|
wd, err := os.Getwd()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
ctxt.GOPATH = filepath.Join(wd, "testdata/withvendor")
|
|
// This import should fail because the vendor/c directory has no source code.
|
|
p, err := ctxt.Import("c", filepath.Join(ctxt.GOPATH, "src/a/b"), 0)
|
|
if err == nil {
|
|
t.Fatalf("found empty parent in %s", p.Dir)
|
|
}
|
|
if p != nil && p.Dir != "" {
|
|
t.Fatalf("decided to use %s", p.Dir)
|
|
}
|
|
e := err.Error()
|
|
if !strings.Contains(e, " (vendor tree)") {
|
|
t.Fatalf("error on failed import does not mention GOROOT/src/vendor directory:\n%s", e)
|
|
}
|
|
}
|
|
|
|
// Check that a package is loaded in module mode if GO111MODULE=on, even when
|
|
// no go.mod file is present. It should fail to resolve packages outside std.
|
|
// Verifies golang.org/issue/34669.
|
|
func TestImportPackageOutsideModule(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t)
|
|
|
|
// Disable module fetching for this test so that 'go list' fails quickly
|
|
// without trying to find the latest version of a module.
|
|
t.Setenv("GOPROXY", "off")
|
|
|
|
// Create a GOPATH in a temporary directory. We don't use testdata
|
|
// because it's in GOROOT, which interferes with the module heuristic.
|
|
gopath := t.TempDir()
|
|
if err := os.MkdirAll(filepath.Join(gopath, "src/example.com/p"), 0777); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(gopath, "src/example.com/p/p.go"), []byte("package p"), 0666); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
t.Setenv("GO111MODULE", "on")
|
|
t.Setenv("GOPATH", gopath)
|
|
ctxt := Default
|
|
ctxt.GOPATH = gopath
|
|
ctxt.Dir = filepath.Join(gopath, "src/example.com/p")
|
|
|
|
want := "go.mod file not found in current directory or any parent directory"
|
|
if _, err := ctxt.Import("example.com/p", gopath, FindOnly); err == nil {
|
|
t.Fatal("importing package when no go.mod is present succeeded unexpectedly")
|
|
} else if errStr := err.Error(); !strings.Contains(errStr, want) {
|
|
t.Fatalf("error when importing package when no go.mod is present: got %q; want %q", errStr, want)
|
|
} else {
|
|
t.Logf(`ctxt.Import("example.com/p", _, FindOnly): %v`, err)
|
|
}
|
|
}
|
|
|
|
// TestIssue23594 prevents go/build from regressing and populating Package.Doc
|
|
// from comments in test files.
|
|
func TestIssue23594(t *testing.T) {
|
|
// Package testdata/doc contains regular and external test files
|
|
// with comments attached to their package declarations. The names of the files
|
|
// ensure that we see the comments from the test files first.
|
|
p, err := ImportDir("testdata/doc", 0)
|
|
if err != nil {
|
|
t.Fatalf("could not import testdata: %v", err)
|
|
}
|
|
|
|
if p.Doc != "Correct" {
|
|
t.Fatalf("incorrectly set .Doc to %q", p.Doc)
|
|
}
|
|
}
|
|
|
|
// TestIssue56509 tests that go/build does not add non-go files to InvalidGoFiles
|
|
// when they have unparsable comments.
|
|
func TestIssue56509(t *testing.T) {
|
|
// The directory testdata/bads contains a .s file that has an unparsable
|
|
// comment. (go/build parses initial comments in non-go files looking for
|
|
// //go:build or //+go build comments).
|
|
p, err := ImportDir("testdata/bads", 0)
|
|
if err == nil {
|
|
t.Fatalf("could not import testdata/bads: %v", err)
|
|
}
|
|
|
|
if len(p.InvalidGoFiles) != 0 {
|
|
t.Fatalf("incorrectly added non-go file to InvalidGoFiles")
|
|
}
|
|
}
|
|
|
|
// TestMissingImportErrorRepetition checks that when an unknown package is
|
|
// imported, the package path is only shown once in the error.
|
|
// Verifies golang.org/issue/34752.
|
|
func TestMissingImportErrorRepetition(t *testing.T) {
|
|
testenv.MustHaveGoBuild(t) // need 'go list' internally
|
|
tmp := t.TempDir()
|
|
if err := os.WriteFile(filepath.Join(tmp, "go.mod"), []byte("module m"), 0666); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Setenv("GO111MODULE", "on")
|
|
t.Setenv("GOPROXY", "off")
|
|
t.Setenv("GONOPROXY", "none")
|
|
|
|
ctxt := Default
|
|
ctxt.Dir = tmp
|
|
|
|
pkgPath := "example.com/hello"
|
|
_, err := ctxt.Import(pkgPath, tmp, FindOnly)
|
|
if err == nil {
|
|
t.Fatal("unexpected success")
|
|
}
|
|
|
|
// Don't count the package path with a URL like https://...?go-get=1.
|
|
// See golang.org/issue/35986.
|
|
errStr := strings.ReplaceAll(err.Error(), "://"+pkgPath+"?go-get=1", "://...?go-get=1")
|
|
|
|
// Also don't count instances in suggested "go get" or similar commands
|
|
// (see https://golang.org/issue/41576). The suggested command typically
|
|
// follows a semicolon.
|
|
errStr, _, _ = strings.Cut(errStr, ";")
|
|
|
|
if n := strings.Count(errStr, pkgPath); n != 1 {
|
|
t.Fatalf("package path %q appears in error %d times; should appear once\nerror: %v", pkgPath, n, err)
|
|
}
|
|
}
|
|
|
|
// TestCgoImportsIgnored checks that imports in cgo files are not included
|
|
// in the imports list when cgo is disabled.
|
|
// Verifies golang.org/issue/35946.
|
|
func TestCgoImportsIgnored(t *testing.T) {
|
|
ctxt := Default
|
|
ctxt.CgoEnabled = false
|
|
p, err := ctxt.ImportDir("testdata/cgo_disabled", 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for _, path := range p.Imports {
|
|
if path == "should/be/ignored" {
|
|
t.Errorf("found import %q in ignored cgo file", path)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Issue #52053. Check that if there is a file x_GOOS_GOARCH.go that both
|
|
// GOOS and GOARCH show up in the Package.AllTags field. We test both the
|
|
// case where the file matches and where the file does not match.
|
|
// The latter case used to fail, incorrectly omitting GOOS.
|
|
func TestAllTags(t *testing.T) {
|
|
ctxt := Default
|
|
ctxt.GOARCH = "arm"
|
|
ctxt.GOOS = "netbsd"
|
|
p, err := ctxt.ImportDir("testdata/alltags", 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := []string{"arm", "netbsd"}
|
|
if !reflect.DeepEqual(p.AllTags, want) {
|
|
t.Errorf("AllTags = %v, want %v", p.AllTags, want)
|
|
}
|
|
wantFiles := []string{"alltags.go", "x_netbsd_arm.go"}
|
|
if !reflect.DeepEqual(p.GoFiles, wantFiles) {
|
|
t.Errorf("GoFiles = %v, want %v", p.GoFiles, wantFiles)
|
|
}
|
|
|
|
ctxt.GOARCH = "amd64"
|
|
ctxt.GOOS = "linux"
|
|
p, err = ctxt.ImportDir("testdata/alltags", 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(p.AllTags, want) {
|
|
t.Errorf("AllTags = %v, want %v", p.AllTags, want)
|
|
}
|
|
wantFiles = []string{"alltags.go"}
|
|
if !reflect.DeepEqual(p.GoFiles, wantFiles) {
|
|
t.Errorf("GoFiles = %v, want %v", p.GoFiles, wantFiles)
|
|
}
|
|
}
|
|
|
|
func TestAllTagsNonSourceFile(t *testing.T) {
|
|
p, err := Default.ImportDir("testdata/non_source_tags", 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(p.AllTags) > 0 {
|
|
t.Errorf("AllTags = %v, want empty", p.AllTags)
|
|
}
|
|
}
|
|
|
|
func TestDirectives(t *testing.T) {
|
|
p, err := ImportDir("testdata/directives", 0)
|
|
if err != nil {
|
|
t.Fatalf("could not import testdata: %v", err)
|
|
}
|
|
|
|
check := func(name string, list []Directive, want string) {
|
|
if runtime.GOOS == "windows" {
|
|
want = strings.ReplaceAll(want, "testdata/directives/", `testdata\\directives\\`)
|
|
}
|
|
t.Helper()
|
|
s := fmt.Sprintf("%q", list)
|
|
if s != want {
|
|
t.Errorf("%s = %s, want %s", name, s, want)
|
|
}
|
|
}
|
|
check("Directives", p.Directives,
|
|
`[{"//go:main1" "testdata/directives/a.go:1:1"} {"//go:plant" "testdata/directives/eve.go:1:1"}]`)
|
|
check("TestDirectives", p.TestDirectives,
|
|
`[{"//go:test1" "testdata/directives/a_test.go:1:1"} {"//go:test2" "testdata/directives/b_test.go:1:1"}]`)
|
|
check("XTestDirectives", p.XTestDirectives,
|
|
`[{"//go:xtest1" "testdata/directives/c_test.go:1:1"} {"//go:xtest2" "testdata/directives/d_test.go:1:1"} {"//go:xtest3" "testdata/directives/d_test.go:2:1"}]`)
|
|
}
|