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-rw-r--r--src/go/build/build_test.go737
1 files changed, 737 insertions, 0 deletions
diff --git a/src/go/build/build_test.go b/src/go/build/build_test.go
new file mode 100644
index 0000000..80f930f
--- /dev/null
+++ b/src/go/build/build_test.go
@@ -0,0 +1,737 @@
+// Copyright 2011 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 build
+
+import (
+ "flag"
+ "internal/testenv"
+ "io"
+ "os"
+ "path/filepath"
+ "reflect"
+ "runtime"
+ "strings"
+ "testing"
+)
+
+func TestMain(m *testing.M) {
+ flag.Parse()
+ if goTool, err := testenv.GoTool(); err == nil {
+ os.Setenv("PATH", filepath.Dir(goTool)+string(os.PathListSeparator)+os.Getenv("PATH"))
+ }
+ os.Exit(m.Run())
+}
+
+func TestMatch(t *testing.T) {
+ ctxt := Default
+ what := "default"
+ match := func(tag string, want map[string]bool) {
+ t.Helper()
+ m := make(map[string]bool)
+ if !ctxt.matchAuto(tag, m) {
+ t.Errorf("%s context should match %s, does not", what, tag)
+ }
+ if !reflect.DeepEqual(m, want) {
+ t.Errorf("%s tags = %v, want %v", tag, m, want)
+ }
+ }
+ nomatch := func(tag string, want map[string]bool) {
+ t.Helper()
+ m := make(map[string]bool)
+ if ctxt.matchAuto(tag, m) {
+ t.Errorf("%s context should NOT match %s, does", what, tag)
+ }
+ if !reflect.DeepEqual(m, want) {
+ t.Errorf("%s tags = %v, want %v", tag, m, want)
+ }
+ }
+
+ match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
+ match(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+ nomatch(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+
+ what = "modified"
+ ctxt.BuildTags = []string{"foo"}
+ match(runtime.GOOS+","+runtime.GOARCH, map[string]bool{runtime.GOOS: true, runtime.GOARCH: true})
+ match(runtime.GOOS+","+runtime.GOARCH+",foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+ nomatch(runtime.GOOS+","+runtime.GOARCH+",!foo", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "foo": true})
+ match(runtime.GOOS+","+runtime.GOARCH+",!bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
+ nomatch(runtime.GOOS+","+runtime.GOARCH+",bar", map[string]bool{runtime.GOOS: true, runtime.GOARCH: true, "bar": true})
+}
+
+func TestDotSlashImport(t *testing.T) {
+ p, err := ImportDir("testdata/other", 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if len(p.Imports) != 1 || p.Imports[0] != "./file" {
+ t.Fatalf("testdata/other: Imports=%v, want [./file]", p.Imports)
+ }
+
+ p1, err := Import("./file", "testdata/other", 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if p1.Name != "file" {
+ t.Fatalf("./file: Name=%q, want %q", p1.Name, "file")
+ }
+ dir := filepath.Clean("testdata/other/file") // Clean to use \ on Windows
+ if p1.Dir != dir {
+ t.Fatalf("./file: Dir=%q, want %q", p1.Name, dir)
+ }
+}
+
+func TestEmptyImport(t *testing.T) {
+ p, err := Import("", Default.GOROOT, FindOnly)
+ if err == nil {
+ t.Fatal(`Import("") returned nil error.`)
+ }
+ if p == nil {
+ t.Fatal(`Import("") returned nil package.`)
+ }
+ if p.ImportPath != "" {
+ t.Fatalf("ImportPath=%q, want %q.", p.ImportPath, "")
+ }
+}
+
+func TestEmptyFolderImport(t *testing.T) {
+ _, err := Import(".", "testdata/empty", 0)
+ if _, ok := err.(*NoGoError); !ok {
+ t.Fatal(`Import("testdata/empty") did not return NoGoError.`)
+ }
+}
+
+func TestMultiplePackageImport(t *testing.T) {
+ pkg, err := Import(".", "testdata/multi", 0)
+
+ mpe, ok := err.(*MultiplePackageError)
+ if !ok {
+ t.Fatal(`Import("testdata/multi") did not return MultiplePackageError.`)
+ }
+ want := &MultiplePackageError{
+ Dir: filepath.FromSlash("testdata/multi"),
+ Packages: []string{"main", "test_package"},
+ Files: []string{"file.go", "file_appengine.go"},
+ }
+ if !reflect.DeepEqual(mpe, want) {
+ t.Errorf("err = %#v; want %#v", mpe, want)
+ }
+
+ // TODO(#45999): Since the name is ambiguous, pkg.Name should be left empty.
+ if wantName := "main"; pkg.Name != wantName {
+ t.Errorf("pkg.Name = %q; want %q", pkg.Name, wantName)
+ }
+
+ if wantGoFiles := []string{"file.go", "file_appengine.go"}; !reflect.DeepEqual(pkg.GoFiles, wantGoFiles) {
+ t.Errorf("pkg.GoFiles = %q; want %q", pkg.GoFiles, wantGoFiles)
+ }
+
+ if wantInvalidFiles := []string{"file_appengine.go"}; !reflect.DeepEqual(pkg.InvalidGoFiles, wantInvalidFiles) {
+ t.Errorf("pkg.InvalidGoFiles = %q; want %q", pkg.InvalidGoFiles, wantInvalidFiles)
+ }
+}
+
+func TestLocalDirectory(t *testing.T) {
+ if runtime.GOOS == "ios" {
+ t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
+ }
+
+ cwd, err := os.Getwd()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ p, err := ImportDir(cwd, 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if p.ImportPath != "go/build" {
+ t.Fatalf("ImportPath=%q, want %q", p.ImportPath, "go/build")
+ }
+}
+
+var shouldBuildTests = []struct {
+ name string
+ content string
+ tags map[string]bool
+ binaryOnly bool
+ shouldBuild bool
+ err error
+}{
+ {
+ name: "Yes",
+ content: "// +build yes\n\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true},
+ shouldBuild: true,
+ },
+ {
+ name: "Yes2",
+ content: "//go:build yes\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true},
+ shouldBuild: true,
+ },
+ {
+ name: "Or",
+ content: "// +build no yes\n\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true, "no": true},
+ shouldBuild: true,
+ },
+ {
+ name: "Or2",
+ content: "//go:build no || yes\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true, "no": true},
+ shouldBuild: true,
+ },
+ {
+ name: "And",
+ content: "// +build no,yes\n\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true, "no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "And2",
+ content: "//go:build no && yes\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true, "no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "Cgo",
+ content: "// +build cgo\n\n" +
+ "// Copyright The Go Authors.\n\n" +
+ "// This package implements parsing of tags like\n" +
+ "// +build tag1\n" +
+ "package build",
+ tags: map[string]bool{"cgo": true},
+ shouldBuild: false,
+ },
+ {
+ name: "Cgo2",
+ content: "//go:build cgo\n" +
+ "// Copyright The Go Authors.\n\n" +
+ "// This package implements parsing of tags like\n" +
+ "// +build tag1\n" +
+ "package build",
+ tags: map[string]bool{"cgo": true},
+ shouldBuild: false,
+ },
+ {
+ name: "AfterPackage",
+ content: "// Copyright The Go Authors.\n\n" +
+ "package build\n\n" +
+ "// shouldBuild checks tags given by lines of the form\n" +
+ "// +build tag\n" +
+ "//go:build tag\n" +
+ "func shouldBuild(content []byte)\n",
+ tags: map[string]bool{},
+ shouldBuild: true,
+ },
+ {
+ name: "TooClose",
+ content: "// +build yes\n" +
+ "package main\n",
+ tags: map[string]bool{},
+ shouldBuild: true,
+ },
+ {
+ name: "TooClose2",
+ content: "//go:build yes\n" +
+ "package main\n",
+ tags: map[string]bool{"yes": true},
+ shouldBuild: true,
+ },
+ {
+ name: "TooCloseNo",
+ content: "// +build no\n" +
+ "package main\n",
+ tags: map[string]bool{},
+ shouldBuild: true,
+ },
+ {
+ name: "TooCloseNo2",
+ content: "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "BinaryOnly",
+ content: "//go:binary-only-package\n" +
+ "// +build yes\n" +
+ "package main\n",
+ tags: map[string]bool{},
+ binaryOnly: true,
+ shouldBuild: true,
+ },
+ {
+ name: "BinaryOnly2",
+ content: "//go:binary-only-package\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ binaryOnly: true,
+ shouldBuild: false,
+ },
+ {
+ name: "ValidGoBuild",
+ content: "// +build yes\n\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "MissingBuild2",
+ content: "/* */\n" +
+ "// +build yes\n\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "Comment1",
+ content: "/*\n" +
+ "//go:build no\n" +
+ "*/\n\n" +
+ "package main\n",
+ tags: map[string]bool{},
+ shouldBuild: true,
+ },
+ {
+ name: "Comment2",
+ content: "/*\n" +
+ "text\n" +
+ "*/\n\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "Comment3",
+ content: "/*/*/ /* hi *//* \n" +
+ "text\n" +
+ "*/\n\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+ {
+ name: "Comment4",
+ content: "/**///go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{},
+ shouldBuild: true,
+ },
+ {
+ name: "Comment5",
+ content: "/**/\n" +
+ "//go:build no\n" +
+ "package main\n",
+ tags: map[string]bool{"no": true},
+ shouldBuild: false,
+ },
+}
+
+func TestShouldBuild(t *testing.T) {
+ for _, tt := range shouldBuildTests {
+ t.Run(tt.name, func(t *testing.T) {
+ ctx := &Context{BuildTags: []string{"yes"}}
+ tags := map[string]bool{}
+ shouldBuild, binaryOnly, err := ctx.shouldBuild([]byte(tt.content), tags)
+ if shouldBuild != tt.shouldBuild || binaryOnly != tt.binaryOnly || !reflect.DeepEqual(tags, tt.tags) || err != tt.err {
+ t.Errorf("mismatch:\n"+
+ "have shouldBuild=%v, binaryOnly=%v, tags=%v, err=%v\n"+
+ "want shouldBuild=%v, binaryOnly=%v, tags=%v, err=%v",
+ shouldBuild, binaryOnly, tags, err,
+ tt.shouldBuild, tt.binaryOnly, tt.tags, tt.err)
+ }
+ })
+ }
+}
+
+func TestGoodOSArchFile(t *testing.T) {
+ ctx := &Context{BuildTags: []string{"linux"}, GOOS: "darwin"}
+ m := map[string]bool{}
+ want := map[string]bool{"linux": true}
+ if !ctx.goodOSArchFile("hello_linux.go", m) {
+ t.Errorf("goodOSArchFile(hello_linux.go) = false, want true")
+ }
+ if !reflect.DeepEqual(m, want) {
+ t.Errorf("goodOSArchFile(hello_linux.go) tags = %v, want %v", m, want)
+ }
+}
+
+type readNopCloser struct {
+ io.Reader
+}
+
+func (r readNopCloser) Close() error {
+ return nil
+}
+
+var (
+ ctxtP9 = Context{GOARCH: "arm", GOOS: "plan9"}
+ ctxtAndroid = Context{GOARCH: "arm", GOOS: "android"}
+)
+
+var matchFileTests = []struct {
+ ctxt Context
+ name string
+ data string
+ match bool
+}{
+ {ctxtP9, "foo_arm.go", "", true},
+ {ctxtP9, "foo1_arm.go", "// +build linux\n\npackage main\n", false},
+ {ctxtP9, "foo_darwin.go", "", false},
+ {ctxtP9, "foo.go", "", true},
+ {ctxtP9, "foo1.go", "// +build linux\n\npackage main\n", false},
+ {ctxtP9, "foo.badsuffix", "", false},
+ {ctxtAndroid, "foo_linux.go", "", true},
+ {ctxtAndroid, "foo_android.go", "", true},
+ {ctxtAndroid, "foo_plan9.go", "", false},
+ {ctxtAndroid, "android.go", "", true},
+ {ctxtAndroid, "plan9.go", "", true},
+ {ctxtAndroid, "plan9_test.go", "", true},
+ {ctxtAndroid, "arm.s", "", true},
+ {ctxtAndroid, "amd64.s", "", true},
+}
+
+func TestMatchFile(t *testing.T) {
+ for _, tt := range matchFileTests {
+ ctxt := tt.ctxt
+ ctxt.OpenFile = func(path string) (r io.ReadCloser, err error) {
+ if path != "x+"+tt.name {
+ t.Fatalf("OpenFile asked for %q, expected %q", path, "x+"+tt.name)
+ }
+ return &readNopCloser{strings.NewReader(tt.data)}, nil
+ }
+ ctxt.JoinPath = func(elem ...string) string {
+ return strings.Join(elem, "+")
+ }
+ match, err := ctxt.MatchFile("x", tt.name)
+ if match != tt.match || err != nil {
+ t.Fatalf("MatchFile(%q) = %v, %v, want %v, nil", tt.name, match, err, tt.match)
+ }
+ }
+}
+
+func TestImportCmd(t *testing.T) {
+ if runtime.GOOS == "ios" {
+ t.Skipf("skipping on %s/%s, no valid GOROOT", runtime.GOOS, runtime.GOARCH)
+ }
+
+ p, err := Import("cmd/internal/objfile", "", 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !strings.HasSuffix(filepath.ToSlash(p.Dir), "src/cmd/internal/objfile") {
+ t.Fatalf("Import cmd/internal/objfile returned Dir=%q, want %q", filepath.ToSlash(p.Dir), ".../src/cmd/internal/objfile")
+ }
+}
+
+var (
+ expandSrcDirPath = filepath.Join(string(filepath.Separator)+"projects", "src", "add")
+)
+
+var expandSrcDirTests = []struct {
+ input, expected string
+}{
+ {"-L ${SRCDIR}/libs -ladd", "-L /projects/src/add/libs -ladd"},
+ {"${SRCDIR}/add_linux_386.a -pthread -lstdc++", "/projects/src/add/add_linux_386.a -pthread -lstdc++"},
+ {"Nothing to expand here!", "Nothing to expand here!"},
+ {"$", "$"},
+ {"$$", "$$"},
+ {"${", "${"},
+ {"$}", "$}"},
+ {"$FOO ${BAR}", "$FOO ${BAR}"},
+ {"Find me the $SRCDIRECTORY.", "Find me the $SRCDIRECTORY."},
+ {"$SRCDIR is missing braces", "$SRCDIR is missing braces"},
+}
+
+func TestExpandSrcDir(t *testing.T) {
+ for _, test := range expandSrcDirTests {
+ output, _ := expandSrcDir(test.input, expandSrcDirPath)
+ if output != test.expected {
+ t.Errorf("%q expands to %q with SRCDIR=%q when %q is expected", test.input, output, expandSrcDirPath, test.expected)
+ } else {
+ t.Logf("%q expands to %q with SRCDIR=%q", test.input, output, expandSrcDirPath)
+ }
+ }
+}
+
+func TestShellSafety(t *testing.T) {
+ tests := []struct {
+ input, srcdir, expected string
+ result bool
+ }{
+ {"-I${SRCDIR}/../include", "/projects/src/issue 11868", "-I/projects/src/issue 11868/../include", true},
+ {"-I${SRCDIR}", "~wtf$@%^", "-I~wtf$@%^", true},
+ {"-X${SRCDIR}/1,${SRCDIR}/2", "/projects/src/issue 11868", "-X/projects/src/issue 11868/1,/projects/src/issue 11868/2", true},
+ {"-I/tmp -I/tmp", "/tmp2", "-I/tmp -I/tmp", true},
+ {"-I/tmp", "/tmp/[0]", "-I/tmp", true},
+ {"-I${SRCDIR}/dir", "/tmp/[0]", "-I/tmp/[0]/dir", false},
+ {"-I${SRCDIR}/dir", "/tmp/go go", "-I/tmp/go go/dir", true},
+ {"-I${SRCDIR}/dir dir", "/tmp/go", "-I/tmp/go/dir dir", true},
+ }
+ 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 GOROOT") {
+ errOk = true
+ }
+ wantErr = `"cannot find package" or "is not in GOROOT" 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 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)
+ }
+}
+
+func TestImportDirTarget(t *testing.T) {
+ testenv.MustHaveGoBuild(t) // really must just have source
+ ctxt := Default
+ ctxt.GOPATH = ""
+ p, err := ctxt.ImportDir(filepath.Join(ctxt.GOROOT, "src/path"), 0)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if p.PkgTargetRoot == "" || p.PkgObj == "" {
+ t.Errorf("p.PkgTargetRoot == %q, p.PkgObj == %q, want non-empty", p.PkgTargetRoot, p.PkgObj)
+ }
+}
+
+// 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)
+ }
+}
+
+// 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.SplitN(errStr, ";", 2)[0]
+
+ 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)
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 20:50:12 +0000