From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 3 Oct 2016 16:03:15 -0400 Subject: Adding ability to serve TLS directly from Mattermost server (#4119) --- vendor/golang.org/x/net/http2/z_spec_test.go | 356 +++++++++++++++++++++++++++ 1 file changed, 356 insertions(+) create mode 100644 vendor/golang.org/x/net/http2/z_spec_test.go (limited to 'vendor/golang.org/x/net/http2/z_spec_test.go') diff --git a/vendor/golang.org/x/net/http2/z_spec_test.go b/vendor/golang.org/x/net/http2/z_spec_test.go new file mode 100644 index 000000000..610b2cdbc --- /dev/null +++ b/vendor/golang.org/x/net/http2/z_spec_test.go @@ -0,0 +1,356 @@ +// Copyright 2014 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 http2 + +import ( + "bytes" + "encoding/xml" + "flag" + "fmt" + "io" + "os" + "reflect" + "regexp" + "sort" + "strconv" + "strings" + "sync" + "testing" +) + +var coverSpec = flag.Bool("coverspec", false, "Run spec coverage tests") + +// The global map of sentence coverage for the http2 spec. +var defaultSpecCoverage specCoverage + +var loadSpecOnce sync.Once + +func loadSpec() { + if f, err := os.Open("testdata/draft-ietf-httpbis-http2.xml"); err != nil { + panic(err) + } else { + defaultSpecCoverage = readSpecCov(f) + f.Close() + } +} + +// covers marks all sentences for section sec in defaultSpecCoverage. Sentences not +// "covered" will be included in report outputted by TestSpecCoverage. +func covers(sec, sentences string) { + loadSpecOnce.Do(loadSpec) + defaultSpecCoverage.cover(sec, sentences) +} + +type specPart struct { + section string + sentence string +} + +func (ss specPart) Less(oo specPart) bool { + atoi := func(s string) int { + n, err := strconv.Atoi(s) + if err != nil { + panic(err) + } + return n + } + a := strings.Split(ss.section, ".") + b := strings.Split(oo.section, ".") + for len(a) > 0 { + if len(b) == 0 { + return false + } + x, y := atoi(a[0]), atoi(b[0]) + if x == y { + a, b = a[1:], b[1:] + continue + } + return x < y + } + if len(b) > 0 { + return true + } + return false +} + +type bySpecSection []specPart + +func (a bySpecSection) Len() int { return len(a) } +func (a bySpecSection) Less(i, j int) bool { return a[i].Less(a[j]) } +func (a bySpecSection) Swap(i, j int) { a[i], a[j] = a[j], a[i] } + +type specCoverage struct { + coverage map[specPart]bool + d *xml.Decoder +} + +func joinSection(sec []int) string { + s := fmt.Sprintf("%d", sec[0]) + for _, n := range sec[1:] { + s = fmt.Sprintf("%s.%d", s, n) + } + return s +} + +func (sc specCoverage) readSection(sec []int) { + var ( + buf = new(bytes.Buffer) + sub = 0 + ) + for { + tk, err := sc.d.Token() + if err != nil { + if err == io.EOF { + return + } + panic(err) + } + switch v := tk.(type) { + case xml.StartElement: + if skipElement(v) { + if err := sc.d.Skip(); err != nil { + panic(err) + } + if v.Name.Local == "section" { + sub++ + } + break + } + switch v.Name.Local { + case "section": + sub++ + sc.readSection(append(sec, sub)) + case "xref": + buf.Write(sc.readXRef(v)) + } + case xml.CharData: + if len(sec) == 0 { + break + } + buf.Write(v) + case xml.EndElement: + if v.Name.Local == "section" { + sc.addSentences(joinSection(sec), buf.String()) + return + } + } + } +} + +func (sc specCoverage) readXRef(se xml.StartElement) []byte { + var b []byte + for { + tk, err := sc.d.Token() + if err != nil { + panic(err) + } + switch v := tk.(type) { + case xml.CharData: + if b != nil { + panic("unexpected CharData") + } + b = []byte(string(v)) + case xml.EndElement: + if v.Name.Local != "xref" { + panic("expected ") + } + if b != nil { + return b + } + sig := attrSig(se) + switch sig { + case "target": + return []byte(fmt.Sprintf("[%s]", attrValue(se, "target"))) + case "fmt-of,rel,target", "fmt-,,rel,target": + return []byte(fmt.Sprintf("[%s, %s]", attrValue(se, "target"), attrValue(se, "rel"))) + case "fmt-of,sec,target", "fmt-,,sec,target": + return []byte(fmt.Sprintf("[section %s of %s]", attrValue(se, "sec"), attrValue(se, "target"))) + case "fmt-of,rel,sec,target": + return []byte(fmt.Sprintf("[section %s of %s, %s]", attrValue(se, "sec"), attrValue(se, "target"), attrValue(se, "rel"))) + default: + panic(fmt.Sprintf("unknown attribute signature %q in %#v", sig, fmt.Sprintf("%#v", se))) + } + default: + panic(fmt.Sprintf("unexpected tag %q", v)) + } + } +} + +var skipAnchor = map[string]bool{ + "intro": true, + "Overview": true, +} + +var skipTitle = map[string]bool{ + "Acknowledgements": true, + "Change Log": true, + "Document Organization": true, + "Conventions and Terminology": true, +} + +func skipElement(s xml.StartElement) bool { + switch s.Name.Local { + case "artwork": + return true + case "section": + for _, attr := range s.Attr { + switch attr.Name.Local { + case "anchor": + if skipAnchor[attr.Value] || strings.HasPrefix(attr.Value, "changes.since.") { + return true + } + case "title": + if skipTitle[attr.Value] { + return true + } + } + } + } + return false +} + +func readSpecCov(r io.Reader) specCoverage { + sc := specCoverage{ + coverage: map[specPart]bool{}, + d: xml.NewDecoder(r)} + sc.readSection(nil) + return sc +} + +func (sc specCoverage) addSentences(sec string, sentence string) { + for _, s := range parseSentences(sentence) { + sc.coverage[specPart{sec, s}] = false + } +} + +func (sc specCoverage) cover(sec string, sentence string) { + for _, s := range parseSentences(sentence) { + p := specPart{sec, s} + if _, ok := sc.coverage[p]; !ok { + panic(fmt.Sprintf("Not found in spec: %q, %q", sec, s)) + } + sc.coverage[specPart{sec, s}] = true + } + +} + +var whitespaceRx = regexp.MustCompile(`\s+`) + +func parseSentences(sens string) []string { + sens = strings.TrimSpace(sens) + if sens == "" { + return nil + } + ss := strings.Split(whitespaceRx.ReplaceAllString(sens, " "), ". ") + for i, s := range ss { + s = strings.TrimSpace(s) + if !strings.HasSuffix(s, ".") { + s += "." + } + ss[i] = s + } + return ss +} + +func TestSpecParseSentences(t *testing.T) { + tests := []struct { + ss string + want []string + }{ + {"Sentence 1. Sentence 2.", + []string{ + "Sentence 1.", + "Sentence 2.", + }}, + {"Sentence 1. \nSentence 2.\tSentence 3.", + []string{ + "Sentence 1.", + "Sentence 2.", + "Sentence 3.", + }}, + } + + for i, tt := range tests { + got := parseSentences(tt.ss) + if !reflect.DeepEqual(got, tt.want) { + t.Errorf("%d: got = %q, want %q", i, got, tt.want) + } + } +} + +func TestSpecCoverage(t *testing.T) { + if !*coverSpec { + t.Skip() + } + + loadSpecOnce.Do(loadSpec) + + var ( + list []specPart + cv = defaultSpecCoverage.coverage + total = len(cv) + complete = 0 + ) + + for sp, touched := range defaultSpecCoverage.coverage { + if touched { + complete++ + } else { + list = append(list, sp) + } + } + sort.Stable(bySpecSection(list)) + + if testing.Short() && len(list) > 5 { + list = list[:5] + } + + for _, p := range list { + t.Errorf("\tSECTION %s: %s", p.section, p.sentence) + } + + t.Logf("%d/%d (%d%%) sentences covered", complete, total, (complete/total)*100) +} + +func attrSig(se xml.StartElement) string { + var names []string + for _, attr := range se.Attr { + if attr.Name.Local == "fmt" { + names = append(names, "fmt-"+attr.Value) + } else { + names = append(names, attr.Name.Local) + } + } + sort.Strings(names) + return strings.Join(names, ",") +} + +func attrValue(se xml.StartElement, attr string) string { + for _, a := range se.Attr { + if a.Name.Local == attr { + return a.Value + } + } + panic("unknown attribute " + attr) +} + +func TestSpecPartLess(t *testing.T) { + tests := []struct { + sec1, sec2 string + want bool + }{ + {"6.2.1", "6.2", false}, + {"6.2", "6.2.1", true}, + {"6.10", "6.10.1", true}, + {"6.10", "6.1.1", false}, // 10, not 1 + {"6.1", "6.1", false}, // equal, so not less + } + for _, tt := range tests { + got := (specPart{tt.sec1, "foo"}).Less(specPart{tt.sec2, "foo"}) + if got != tt.want { + t.Errorf("Less(%q, %q) = %v; want %v", tt.sec1, tt.sec2, got, tt.want) + } + } +} -- cgit v1.2.3-1-g7c22