133 lines
3.1 KiB
Go
133 lines
3.1 KiB
Go
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// Copyright 2018 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 godoc
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import (
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"go/build"
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"testing"
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)
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func TestParseVersionRow(t *testing.T) {
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tests := []struct {
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row string
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want versionedRow
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}{
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{
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row: "# comment",
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},
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{
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row: "",
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},
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{
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row: "pkg archive/tar, type Writer struct",
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want: versionedRow{
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pkg: "archive/tar",
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kind: "type",
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name: "Writer",
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},
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},
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{
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row: "pkg archive/tar, type Header struct, AccessTime time.Time",
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want: versionedRow{
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pkg: "archive/tar",
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kind: "field",
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structName: "Header",
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name: "AccessTime",
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},
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},
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{
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row: "pkg archive/tar, method (*Reader) Read([]uint8) (int, error)",
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want: versionedRow{
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pkg: "archive/tar",
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kind: "method",
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name: "Read",
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recv: "*Reader",
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},
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},
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{
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row: "pkg archive/zip, func FileInfoHeader(os.FileInfo) (*FileHeader, error)",
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want: versionedRow{
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pkg: "archive/zip",
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kind: "func",
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name: "FileInfoHeader",
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},
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},
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{
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row: "pkg encoding/base32, method (Encoding) WithPadding(int32) *Encoding",
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want: versionedRow{
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pkg: "encoding/base32",
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kind: "method",
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name: "WithPadding",
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recv: "Encoding",
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},
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},
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}
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for i, tt := range tests {
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got, ok := parseRow(tt.row)
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if !ok {
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got = versionedRow{}
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}
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if got != tt.want {
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t.Errorf("%d. parseRow(%q) = %+v; want %+v", i, tt.row, got, tt.want)
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}
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}
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}
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// hasTag checks whether a given release tag is contained in the current version
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// of the go binary.
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func hasTag(t string) bool {
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for _, v := range build.Default.ReleaseTags {
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if t == v {
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return true
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}
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}
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return false
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}
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func TestAPIVersion(t *testing.T) {
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av, err := parsePackageAPIInfo()
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if err != nil {
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t.Fatal(err)
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}
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for _, tc := range []struct {
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kind string
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pkg string
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name string
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receiver string
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want string
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}{
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// Things that were added post-1.0 should appear
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{"func", "archive/tar", "FileInfoHeader", "", "1.1"},
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{"type", "bufio", "Scanner", "", "1.1"},
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{"method", "bufio", "WriteTo", "*Reader", "1.1"},
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{"func", "bytes", "LastIndexByte", "", "1.5"},
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{"type", "crypto", "Decrypter", "", "1.5"},
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{"method", "crypto/rsa", "Decrypt", "*PrivateKey", "1.5"},
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{"method", "debug/dwarf", "GoString", "Class", "1.5"},
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{"func", "os", "IsTimeout", "", "1.10"},
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{"type", "strings", "Builder", "", "1.10"},
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{"method", "strings", "WriteString", "*Builder", "1.10"},
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// Things from package syscall should never appear
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{"func", "syscall", "FchFlags", "", ""},
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{"type", "syscall", "Inet4Pktinfo", "", ""},
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// Things added in Go 1 should never appear
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{"func", "archive/tar", "NewReader", "", ""},
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{"type", "archive/tar", "Header", "", ""},
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{"method", "archive/tar", "Next", "*Reader", ""},
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} {
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if tc.want != "" && !hasTag("go"+tc.want) {
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continue
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}
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if got := av.sinceVersionFunc(tc.kind, tc.receiver, tc.name, tc.pkg); got != tc.want {
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t.Errorf(`sinceFunc("%s", "%s", "%s", "%s") = "%s"; want "%s"`, tc.kind, tc.receiver, tc.name, tc.pkg, got, tc.want)
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}
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}
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}
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