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Diffstat (limited to 'src/pkg/go/build/deps_test.go')
-rw-r--r--src/pkg/go/build/deps_test.go442
1 files changed, 0 insertions, 442 deletions
diff --git a/src/pkg/go/build/deps_test.go b/src/pkg/go/build/deps_test.go
deleted file mode 100644
index 7421e144f..000000000
--- a/src/pkg/go/build/deps_test.go
+++ /dev/null
@@ -1,442 +0,0 @@
-// Copyright 2012 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.
-
-// This file exercises the import parser but also checks that
-// some low-level packages do not have new dependencies added.
-
-package build
-
-import (
- "runtime"
- "sort"
- "testing"
-)
-
-// pkgDeps defines the expected dependencies between packages in
-// the Go source tree. It is a statement of policy.
-// Changes should not be made to this map without prior discussion.
-//
-// The map contains two kinds of entries:
-// 1) Lower-case keys are standard import paths and list the
-// allowed imports in that package.
-// 2) Upper-case keys define aliases for package sets, which can then
-// be used as dependencies by other rules.
-//
-// DO NOT CHANGE THIS DATA TO FIX BUILDS.
-//
-var pkgDeps = map[string][]string{
- // L0 is the lowest level, core, nearly unavoidable packages.
- "errors": {},
- "io": {"errors", "sync"},
- "runtime": {"unsafe"},
- "sync": {"runtime", "sync/atomic", "unsafe"},
- "sync/atomic": {"unsafe"},
- "unsafe": {},
-
- "L0": {
- "errors",
- "io",
- "runtime",
- "sync",
- "sync/atomic",
- "unsafe",
- },
-
- // L1 adds simple functions and strings processing,
- // but not Unicode tables.
- "math": {"unsafe"},
- "math/cmplx": {"math"},
- "math/rand": {"L0", "math"},
- "sort": {},
- "strconv": {"L0", "unicode/utf8", "math"},
- "unicode/utf16": {},
- "unicode/utf8": {},
-
- "L1": {
- "L0",
- "math",
- "math/cmplx",
- "math/rand",
- "sort",
- "strconv",
- "unicode/utf16",
- "unicode/utf8",
- },
-
- // L2 adds Unicode and strings processing.
- "bufio": {"L0", "unicode/utf8", "bytes"},
- "bytes": {"L0", "unicode", "unicode/utf8"},
- "path": {"L0", "unicode/utf8", "strings"},
- "strings": {"L0", "unicode", "unicode/utf8"},
- "unicode": {},
-
- "L2": {
- "L1",
- "bufio",
- "bytes",
- "path",
- "strings",
- "unicode",
- },
-
- // L3 adds reflection and some basic utility packages
- // and interface definitions, but nothing that makes
- // system calls.
- "crypto": {"L2", "hash"}, // interfaces
- "crypto/cipher": {"L2", "crypto/subtle"}, // interfaces
- "crypto/subtle": {},
- "encoding/base32": {"L2"},
- "encoding/base64": {"L2"},
- "encoding/binary": {"L2", "reflect"},
- "hash": {"L2"}, // interfaces
- "hash/adler32": {"L2", "hash"},
- "hash/crc32": {"L2", "hash"},
- "hash/crc64": {"L2", "hash"},
- "hash/fnv": {"L2", "hash"},
- "image": {"L2", "image/color"}, // interfaces
- "image/color": {"L2"}, // interfaces
- "image/color/palette": {"L2", "image/color"},
- "reflect": {"L2"},
-
- "L3": {
- "L2",
- "crypto",
- "crypto/cipher",
- "crypto/subtle",
- "encoding/base32",
- "encoding/base64",
- "encoding/binary",
- "hash",
- "hash/adler32",
- "hash/crc32",
- "hash/crc64",
- "hash/fnv",
- "image",
- "image/color",
- "image/color/palette",
- "reflect",
- },
-
- // End of linear dependency definitions.
-
- // Operating system access.
- "syscall": {"L0", "unicode/utf16"},
- "time": {"L0", "syscall"},
- "os": {"L1", "os", "syscall", "time"},
- "path/filepath": {"L2", "os", "syscall"},
- "io/ioutil": {"L2", "os", "path/filepath", "time"},
- "os/exec": {"L2", "os", "path/filepath", "syscall"},
- "os/signal": {"L2", "os", "syscall"},
-
- // OS enables basic operating system functionality,
- // but not direct use of package syscall, nor os/signal.
- "OS": {
- "io/ioutil",
- "os",
- "os/exec",
- "path/filepath",
- "time",
- },
-
- // Formatted I/O: few dependencies (L1) but we must add reflect.
- "fmt": {"L1", "os", "reflect"},
- "log": {"L1", "os", "fmt", "time"},
-
- // Packages used by testing must be low-level (L2+fmt).
- "regexp": {"L2", "regexp/syntax"},
- "regexp/syntax": {"L2"},
- "runtime/debug": {"L2", "fmt", "io/ioutil", "os", "time"},
- "runtime/pprof": {"L2", "fmt", "text/tabwriter"},
- "text/tabwriter": {"L2"},
-
- "testing": {"L2", "flag", "fmt", "os", "runtime/pprof", "time"},
- "testing/iotest": {"L2", "log"},
- "testing/quick": {"L2", "flag", "fmt", "reflect"},
-
- // L4 is defined as L3+fmt+log+time, because in general once
- // you're using L3 packages, use of fmt, log, or time is not a big deal.
- "L4": {
- "L3",
- "fmt",
- "log",
- "time",
- },
-
- // Go parser.
- "go/ast": {"L4", "OS", "go/scanner", "go/token"},
- "go/doc": {"L4", "go/ast", "go/token", "regexp", "text/template"},
- "go/parser": {"L4", "OS", "go/ast", "go/scanner", "go/token"},
- "go/printer": {"L4", "OS", "go/ast", "go/scanner", "go/token", "text/tabwriter"},
- "go/scanner": {"L4", "OS", "go/token"},
- "go/token": {"L4"},
-
- "GOPARSER": {
- "go/ast",
- "go/doc",
- "go/parser",
- "go/printer",
- "go/scanner",
- "go/token",
- },
-
- // One of a kind.
- "archive/tar": {"L4", "OS", "syscall"},
- "archive/zip": {"L4", "OS", "compress/flate"},
- "compress/bzip2": {"L4"},
- "compress/flate": {"L4"},
- "compress/gzip": {"L4", "compress/flate"},
- "compress/lzw": {"L4"},
- "compress/zlib": {"L4", "compress/flate"},
- "database/sql": {"L4", "container/list", "database/sql/driver"},
- "database/sql/driver": {"L4", "time"},
- "debug/dwarf": {"L4"},
- "debug/elf": {"L4", "OS", "debug/dwarf"},
- "debug/gosym": {"L4"},
- "debug/macho": {"L4", "OS", "debug/dwarf"},
- "debug/pe": {"L4", "OS", "debug/dwarf"},
- "encoding": {"L4"},
- "encoding/ascii85": {"L4"},
- "encoding/asn1": {"L4", "math/big"},
- "encoding/csv": {"L4"},
- "encoding/gob": {"L4", "OS", "encoding"},
- "encoding/hex": {"L4"},
- "encoding/json": {"L4", "encoding"},
- "encoding/pem": {"L4"},
- "encoding/xml": {"L4", "encoding"},
- "flag": {"L4", "OS"},
- "go/build": {"L4", "OS", "GOPARSER"},
- "html": {"L4"},
- "image/draw": {"L4"},
- "image/gif": {"L4", "compress/lzw", "image/color/palette", "image/draw"},
- "image/jpeg": {"L4"},
- "image/png": {"L4", "compress/zlib"},
- "index/suffixarray": {"L4", "regexp"},
- "math/big": {"L4"},
- "mime": {"L4", "OS", "syscall"},
- "net/url": {"L4"},
- "text/scanner": {"L4", "OS"},
- "text/template/parse": {"L4"},
-
- "html/template": {
- "L4", "OS", "encoding/json", "html", "text/template",
- "text/template/parse",
- },
- "text/template": {
- "L4", "OS", "net/url", "text/template/parse",
- },
-
- // Cgo.
- "runtime/cgo": {"L0", "C"},
- "CGO": {"C", "runtime/cgo"},
-
- // Fake entry to satisfy the pseudo-import "C"
- // that shows up in programs that use cgo.
- "C": {},
-
- // Plan 9 alone needs io/ioutil and os.
- "os/user": {"L4", "CGO", "io/ioutil", "os", "syscall"},
-
- // Basic networking.
- // Because net must be used by any package that wants to
- // do networking portably, it must have a small dependency set: just L1+basic os.
- "net": {"L1", "CGO", "os", "syscall", "time"},
-
- // NET enables use of basic network-related packages.
- "NET": {
- "net",
- "mime",
- "net/textproto",
- "net/url",
- },
-
- // Uses of networking.
- "log/syslog": {"L4", "OS", "net"},
- "net/mail": {"L4", "NET", "OS"},
- "net/textproto": {"L4", "OS", "net"},
-
- // Core crypto.
- "crypto/aes": {"L3"},
- "crypto/des": {"L3"},
- "crypto/hmac": {"L3"},
- "crypto/md5": {"L3"},
- "crypto/rc4": {"L3"},
- "crypto/sha1": {"L3"},
- "crypto/sha256": {"L3"},
- "crypto/sha512": {"L3"},
-
- "CRYPTO": {
- "crypto/aes",
- "crypto/des",
- "crypto/hmac",
- "crypto/md5",
- "crypto/rc4",
- "crypto/sha1",
- "crypto/sha256",
- "crypto/sha512",
- },
-
- // Random byte, number generation.
- // This would be part of core crypto except that it imports
- // math/big, which imports fmt.
- "crypto/rand": {"L4", "CRYPTO", "OS", "math/big", "syscall"},
-
- // Mathematical crypto: dependencies on fmt (L4) and math/big.
- // We could avoid some of the fmt, but math/big imports fmt anyway.
- "crypto/dsa": {"L4", "CRYPTO", "math/big"},
- "crypto/ecdsa": {"L4", "CRYPTO", "crypto/elliptic", "math/big"},
- "crypto/elliptic": {"L4", "CRYPTO", "math/big"},
- "crypto/rsa": {"L4", "CRYPTO", "crypto/rand", "math/big"},
-
- "CRYPTO-MATH": {
- "CRYPTO",
- "crypto/dsa",
- "crypto/ecdsa",
- "crypto/elliptic",
- "crypto/rand",
- "crypto/rsa",
- "encoding/asn1",
- "math/big",
- },
-
- // SSL/TLS.
- "crypto/tls": {
- "L4", "CRYPTO-MATH", "CGO", "OS",
- "container/list", "crypto/x509", "encoding/pem", "net", "syscall",
- },
- "crypto/x509": {
- "L4", "CRYPTO-MATH", "OS", "CGO",
- "crypto/x509/pkix", "encoding/pem", "encoding/hex", "net", "syscall",
- },
- "crypto/x509/pkix": {"L4", "CRYPTO-MATH"},
-
- // Simple net+crypto-aware packages.
- "mime/multipart": {"L4", "OS", "mime", "crypto/rand", "net/textproto"},
- "net/smtp": {"L4", "CRYPTO", "NET", "crypto/tls"},
-
- // HTTP, kingpin of dependencies.
- "net/http": {
- "L4", "NET", "OS",
- "compress/gzip", "crypto/tls", "mime/multipart", "runtime/debug",
- },
-
- // HTTP-using packages.
- "expvar": {"L4", "OS", "encoding/json", "net/http"},
- "net/http/cgi": {"L4", "NET", "OS", "crypto/tls", "net/http", "regexp"},
- "net/http/fcgi": {"L4", "NET", "OS", "net/http", "net/http/cgi"},
- "net/http/httptest": {"L4", "NET", "OS", "crypto/tls", "flag", "net/http"},
- "net/http/httputil": {"L4", "NET", "OS", "net/http"},
- "net/http/pprof": {"L4", "OS", "html/template", "net/http", "runtime/pprof"},
- "net/rpc": {"L4", "NET", "encoding/gob", "net/http", "text/template"},
- "net/rpc/jsonrpc": {"L4", "NET", "encoding/json", "net/rpc"},
-}
-
-// isMacro reports whether p is a package dependency macro
-// (uppercase name).
-func isMacro(p string) bool {
- return 'A' <= p[0] && p[0] <= 'Z'
-}
-
-func allowed(pkg string) map[string]bool {
- m := map[string]bool{}
- var allow func(string)
- allow = func(p string) {
- if m[p] {
- return
- }
- m[p] = true // set even for macros, to avoid loop on cycle
-
- // Upper-case names are macro-expanded.
- if isMacro(p) {
- for _, pp := range pkgDeps[p] {
- allow(pp)
- }
- }
- }
- for _, pp := range pkgDeps[pkg] {
- allow(pp)
- }
- return m
-}
-
-var bools = []bool{false, true}
-var geese = []string{"darwin", "dragonfly", "freebsd", "linux", "nacl", "netbsd", "openbsd", "plan9", "solaris", "windows"}
-var goarches = []string{"386", "amd64", "arm"}
-
-type osPkg struct {
- goos, pkg string
-}
-
-// allowedErrors are the operating systems and packages known to contain errors
-// (currently just "no Go source files")
-var allowedErrors = map[osPkg]bool{
- osPkg{"windows", "log/syslog"}: true,
- osPkg{"plan9", "log/syslog"}: true,
-}
-
-func TestDependencies(t *testing.T) {
- if runtime.GOOS == "nacl" {
- // NaCl tests run in a limited file system and we do not
- // provide access to every source file.
- t.Skip("skipping on NaCl")
- }
- var all []string
-
- for k := range pkgDeps {
- all = append(all, k)
- }
- sort.Strings(all)
-
- ctxt := Default
- test := func(mustImport bool) {
- for _, pkg := range all {
- if isMacro(pkg) {
- continue
- }
- if pkg == "runtime/cgo" && !ctxt.CgoEnabled {
- continue
- }
- p, err := ctxt.Import(pkg, "", 0)
- if err != nil {
- if allowedErrors[osPkg{ctxt.GOOS, pkg}] {
- continue
- }
- if !ctxt.CgoEnabled && pkg == "runtime/cgo" {
- continue
- }
- // Some of the combinations we try might not
- // be reasonable (like arm,plan9,cgo), so ignore
- // errors for the auto-generated combinations.
- if !mustImport {
- continue
- }
- t.Errorf("%s/%s/cgo=%v %v", ctxt.GOOS, ctxt.GOARCH, ctxt.CgoEnabled, err)
- continue
- }
- ok := allowed(pkg)
- var bad []string
- for _, imp := range p.Imports {
- if !ok[imp] {
- bad = append(bad, imp)
- }
- }
- if bad != nil {
- t.Errorf("%s/%s/cgo=%v unexpected dependency: %s imports %v", ctxt.GOOS, ctxt.GOARCH, ctxt.CgoEnabled, pkg, bad)
- }
- }
- }
- test(true)
-
- if testing.Short() {
- t.Logf("skipping other systems")
- return
- }
-
- for _, ctxt.GOOS = range geese {
- for _, ctxt.GOARCH = range goarches {
- for _, ctxt.CgoEnabled = range bools {
- test(false)
- }
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-29 01:58:17 +0000