func nextFunc(shouldGzip bool) middleware.Handler {
return middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
if shouldGzip {
if r.Header.Get("Accept-Encoding") != "" {
return 0, fmt.Errorf("Accept-Encoding header not expected")
}
if w.Header().Get("Content-Encoding") != "gzip" {
return 0, fmt.Errorf("Content-Encoding must be gzip, found %v", r.Header.Get("Content-Encoding"))
}
if _, ok := w.(gzipResponseWriter); !ok {
return 0, fmt.Errorf("ResponseWriter should be gzipResponseWriter, found %T", w)
}
return 0, nil
}
if r.Header.Get("Accept-Encoding") == "" {
return 0, fmt.Errorf("Accept-Encoding header expected")
}
if w.Header().Get("Content-Encoding") == "gzip" {
return 0, fmt.Errorf("Content-Encoding must not be gzip, found gzip")
}
if _, ok := w.(gzipResponseWriter); ok {
return 0, fmt.Errorf("ResponseWriter should not be gzipResponseWriter")
}
return 0, nil
})
}
func TestBrowseTemplate(t *testing.T) {
tmpl, err := template.ParseFiles("testdata/photos.tpl")
if err != nil {
t.Fatalf("An error occured while parsing the template: %v", err)
}
b := Browse{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
t.Fatalf("Next shouldn't be called")
return 0, nil
}),
Root: "./testdata",
Configs: []Config{
Config{
PathScope: "/photos",
Template: tmpl,
},
},
}
req, err := http.NewRequest("GET", "/photos/", nil)
if err != nil {
t.Fatalf("Test: Could not create HTTP request: %v", err)
}
rec := httptest.NewRecorder()
b.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Wrong status, expected %d, got %d", http.StatusOK, rec.Code)
}
respBody := rec.Body.String()
expectedBody := `<!DOCTYPE html>
<html>
<head>
<title>Template</title>
</head>
<body>
<h1>Header</h1>
<h1>/photos/</h1>
<a href="test.html">test.html</a><br>
<a href="test2.html">test2.html</a><br>
</body>
</html>
`
if respBody != expectedBody {
t.Fatalf("Expected body: %v got: %v", expectedBody, respBody)
}
}
func TestBasicAuth(t *testing.T) {
rw := BasicAuth{
Next: middleware.HandlerFunc(contentHandler),
Rules: []Rule{
{Username: "******", Password: "******", Resources: []string{"/testing"}},
},
}
tests := []struct {
from string
result int
cred string
}{
{"/testing", http.StatusUnauthorized, "ttest:test"},
{"/testing", http.StatusOK, "test:ttest"},
{"/testing", http.StatusUnauthorized, ""},
}
for i, test := range tests {
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request %v", i, err)
}
auth := "Basic " + base64.StdEncoding.EncodeToString([]byte(test.cred))
req.Header.Set("Authorization", auth)
rec := httptest.NewRecorder()
result, err := rw.ServeHTTP(rec, req)
if err != nil {
t.Fatalf("Test %d: Could not ServeHTTP %v", i, err)
}
if result != test.result {
t.Errorf("Test %d: Expected Header '%d' but was '%d'",
i, test.result, result)
}
if result == http.StatusUnauthorized {
headers := rec.Header()
if val, ok := headers["Www-Authenticate"]; ok {
if val[0] != "Basic" {
t.Errorf("Test %d, Www-Authenticate should be %s provided %s", i, "Basic", val[0])
}
} else {
t.Errorf("Test %d, should provide a header Www-Authenticate", i)
}
}
}
}
func TestRedirect(t *testing.T) {
for i, test := range []struct {
from string
expectedLocation string
}{
{"/from", "/to"},
{"/a", "/b"},
{"/aa", ""},
{"/", ""},
{"/a?foo=bar", "/b"},
{"/asdf?foo=bar", ""},
{"/foo#bar", ""},
{"/a#foo", "/b"},
} {
var nextCalled bool
re := Redirect{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
nextCalled = true
return 0, nil
}),
Rules: []Rule{
{From: "/from", To: "/to"},
{From: "/a", To: "/b"},
},
}
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
re.ServeHTTP(rec, req)
if rec.Header().Get("Location") != test.expectedLocation {
t.Errorf("Test %d: Expected Location header to be %q but was %q",
i, test.expectedLocation, rec.Header().Get("Location"))
}
if nextCalled && test.expectedLocation != "" {
t.Errorf("Test %d: Next handler was unexpectedly called", i)
}
}
}
func TestMultipleOverlappingRules(t *testing.T) {
rw := BasicAuth{
Next: middleware.HandlerFunc(contentHandler),
Rules: []Rule{
{Username: "******", Password: "******", Resources: []string{"/t"}},
{Username: "******", Password: "******", Resources: []string{"/t/t"}},
},
}
tests := []struct {
from string
result int
cred string
}{
{"/t", http.StatusOK, "t:p1"},
{"/t/t", http.StatusOK, "t:p1"},
{"/t/t", http.StatusOK, "t1:p2"},
{"/a", http.StatusOK, "t1:p2"},
{"/t/t", http.StatusUnauthorized, "t1:p3"},
{"/t", http.StatusUnauthorized, "t1:p2"},
}
for i, test := range tests {
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request %v", i, err)
}
auth := "Basic " + base64.StdEncoding.EncodeToString([]byte(test.cred))
req.Header.Set("Authorization", auth)
rec := httptest.NewRecorder()
result, err := rw.ServeHTTP(rec, req)
if err != nil {
t.Fatalf("Test %d: Could not ServeHTTP %v", i, err)
}
if result != test.result {
t.Errorf("Test %d: Expected Header '%d' but was '%d'",
i, test.result, result)
}
}
}
func TestExtensions(t *testing.T) {
rootDir := os.TempDir()
// create a temporary page
path := filepath.Join(rootDir, "extensions_test.html")
_, err := os.Create(path)
if err != nil {
t.Fatal(err)
}
defer os.Remove(path)
for i, test := range []struct {
path string
extensions []string
expectedURL string
}{
{"/extensions_test", []string{".html"}, "/extensions_test.html"},
{"/extensions_test/", []string{".html"}, "/extensions_test/"},
{"/extensions_test", []string{".json"}, "/extensions_test"},
{"/another_test", []string{".html"}, "/another_test"},
} {
ex := Ext{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
return 0, nil
}),
Root: rootDir,
Extensions: test.extensions,
}
req, err := http.NewRequest("GET", test.path, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
ex.ServeHTTP(rec, req)
if got := req.URL.String(); got != test.expectedURL {
t.Fatalf("Test %d: Got unexpected request URL: %q, wanted %q", i, got, test.expectedURL)
}
}
}
func TestHeaders(t *testing.T) {
for i, test := range []struct {
from string
name string
value string
}{
{"/a", "Foo", "Bar"},
{"/a", "Bar", ""},
{"/a", "Baz", ""},
{"/b", "Foo", ""},
{"/b", "Bar", "Removed in /a"},
} {
he := Headers{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
return 0, nil
}),
Rules: []Rule{
{Path: "/a", Headers: []Header{
{Name: "Foo", Value: "Bar"},
{Name: "-Bar"},
}},
},
}
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
rec.Header().Set("Bar", "Removed in /a")
he.ServeHTTP(rec, req)
if got := rec.Header().Get(test.name); got != test.value {
t.Errorf("Test %d: Expected %s header to be %q but was %q",
i, test.name, test.value, got)
}
}
}
func TestInternal(t *testing.T) {
im := Internal{
Next: middleware.HandlerFunc(internalTestHandlerFunc),
Paths: []string{"/internal"},
}
tests := []struct {
url string
expectedCode int
expectedBody string
}{
{"/internal", http.StatusNotFound, ""},
{"/public", 0, "/public"},
{"/public/internal", 0, "/public/internal"},
{"/redirect", 0, "/internal"},
{"/cycle", http.StatusInternalServerError, ""},
}
for i, test := range tests {
req, err := http.NewRequest("GET", test.url, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
code, err := im.ServeHTTP(rec, req)
if code != test.expectedCode {
t.Errorf("Test %d: Expected status code %d for %s, but got %d",
i, test.expectedCode, test.url, code)
}
if rec.Body.String() != test.expectedBody {
t.Errorf("Test %d: Expected body '%s' for %s, but got '%s'",
i, test.expectedBody, test.url, rec.Body.String())
}
}
}
func TestRewrite(t *testing.T) {
rw := Rewrite{
Next: middleware.HandlerFunc(urlPrinter),
Rules: []Rule{
NewSimpleRule("/from", "/to"),
NewSimpleRule("/a", "/b"),
},
}
regexpRules := [][]string{
[]string{"/reg/", ".*", "/to", ""},
[]string{"/r/", "[a-z]+", "/toaz", "!.html|"},
[]string{"/url/", "a([a-z0-9]*)s([A-Z]{2})", "/to/{path}", ""},
[]string{"/ab/", "ab", "/ab?{query}", ".txt|"},
[]string{"/ab/", "ab", "/ab?type=html&{query}", ".html|"},
[]string{"/abc/", "ab", "/abc/{file}", ".html|"},
[]string{"/abcd/", "ab", "/a/{dir}/{file}", ".html|"},
[]string{"/abcde/", "ab", "/a#{frag}", ".html|"},
[]string{"/ab/", `.*\.jpg`, "/ajpg", ""},
}
for _, regexpRule := range regexpRules {
var ext []string
if s := strings.Split(regexpRule[3], "|"); len(s) > 1 {
ext = s[:len(s)-1]
}
rule, err := NewRegexpRule(regexpRule[0], regexpRule[1], regexpRule[2], ext)
if err != nil {
t.Fatal(err)
}
rw.Rules = append(rw.Rules, rule)
}
tests := []struct {
from string
expectedTo string
}{
{"/from", "/to"},
{"/a", "/b"},
{"/aa", "/aa"},
{"/", "/"},
{"/a?foo=bar", "/b?foo=bar"},
{"/asdf?foo=bar", "/asdf?foo=bar"},
{"/foo#bar", "/foo#bar"},
{"/a#foo", "/b#foo"},
{"/reg/foo", "/to"},
{"/re", "/re"},
{"/r/", "/r/"},
{"/r/123", "/r/123"},
{"/r/a123", "/toaz"},
{"/r/abcz", "/toaz"},
{"/r/z", "/toaz"},
{"/r/z.html", "/r/z.html"},
{"/r/z.js", "/toaz"},
{"/url/asAB", "/to/url/asAB"},
{"/url/aBsAB", "/url/aBsAB"},
{"/url/a00sAB", "/to/url/a00sAB"},
{"/url/a0z0sAB", "/to/url/a0z0sAB"},
{"/ab/aa", "/ab/aa"},
{"/ab/ab", "/ab/ab"},
{"/ab/ab.txt", "/ab"},
{"/ab/ab.txt?name=name", "/ab?name=name"},
{"/ab/ab.html?name=name", "/ab?type=html&name=name"},
{"/abc/ab.html", "/abc/ab.html"},
{"/abcd/abcd.html", "/a/abcd/abcd.html"},
{"/abcde/abcde.html", "/a"},
{"/abcde/abcde.html#1234", "/a#1234"},
{"/ab/ab.jpg", "/ajpg"},
}
for i, test := range tests {
req, err := http.NewRequest("GET", test.from, nil)
if err != nil {
t.Fatalf("Test %d: Could not create HTTP request: %v", i, err)
}
rec := httptest.NewRecorder()
rw.ServeHTTP(rec, req)
if rec.Body.String() != test.expectedTo {
t.Errorf("Test %d: Expected URL to be '%s' but was '%s'",
i, test.expectedTo, rec.Body.String())
}
}
}
func Test(t *testing.T) {
tmpl := Templates{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
return 0, nil
}),
Rules: []Rule{
Rule{
Extensions: []string{".html"},
IndexFiles: []string{"index.html"},
Path: "/photos",
},
Rule{
Extensions: []string{".html", ".htm"},
IndexFiles: []string{"index.html", "index.htm"},
Path: "/images",
},
},
Root: "./testdata",
FileSys: http.Dir("./testdata"),
}
tmplroot := Templates{
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
return 0, nil
}),
Rules: []Rule{
Rule{
Extensions: []string{".html"},
IndexFiles: []string{"index.html"},
Path: "/",
},
},
Root: "./testdata",
FileSys: http.Dir("./testdata"),
}
/*
* Test tmpl on /photos/test.html
*/
req, err := http.NewRequest("GET", "/photos/test.html", nil)
if err != nil {
t.Fatalf("Test: Could not create HTTP request: %v", err)
}
rec := httptest.NewRecorder()
tmpl.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK)
}
respBody := rec.Body.String()
expectedBody := `<!DOCTYPE html><html><head><title>test page</title></head><body><h1>Header title</h1>
</body></html>
`
if respBody != expectedBody {
t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody)
}
/*
* Test tmpl on /images/img.htm
*/
req, err = http.NewRequest("GET", "/images/img.htm", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec = httptest.NewRecorder()
tmpl.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK)
}
respBody = rec.Body.String()
expectedBody = `<!DOCTYPE html><html><head><title>img</title></head><body><h1>Header title</h1>
</body></html>
`
if respBody != expectedBody {
t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody)
}
/*
* Test tmplroot on /root.html
*/
req, err = http.NewRequest("GET", "/root.html", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec = httptest.NewRecorder()
tmplroot.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK)
}
respBody = rec.Body.String()
expectedBody = `<!DOCTYPE html><html><head><title>root</title></head><body><h1>Header title</h1>
</body></html>
`
if respBody != expectedBody {
t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody)
}
}
func TestMarkdownStaticGen(t *testing.T) {
c := NewTestController(`markdown /blog {
ext .md
template tpl_with_include.html
sitegen
}`)
c.Root = "./testdata"
mid, err := Markdown(c)
if err != nil {
t.Errorf("Expected no errors, got: %v", err)
}
if mid == nil {
t.Fatal("Expected middleware, was nil instead")
}
for _, start := range c.Startup {
err := start()
if err != nil {
t.Errorf("Startup error: %v", err)
}
}
next := middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
t.Fatalf("Next shouldn't be called")
return 0, nil
})
hndlr := mid(next)
mkdwn, ok := hndlr.(markdown.Markdown)
if !ok {
t.Fatalf("Was expecting a markdown.Markdown but got %T", hndlr)
}
expectedStaticFiles := map[string]string{"/blog/first_post.md": "testdata/generated_site/blog/first_post.md/index.html"}
if fmt.Sprint(expectedStaticFiles) != fmt.Sprint(mkdwn.Configs[0].StaticFiles) {
t.Fatalf("Test expected StaticFiles to be %s, but got %s",
fmt.Sprint(expectedStaticFiles), fmt.Sprint(mkdwn.Configs[0].StaticFiles))
}
filePath := "testdata/generated_site/blog/first_post.md/index.html"
if _, err := os.Stat(filePath); err != nil {
t.Fatalf("An error occured when getting the file information: %v", err)
}
html, err := ioutil.ReadFile(filePath)
if err != nil {
t.Fatalf("An error occured when getting the file content: %v", err)
}
expectedBody := `<!DOCTYPE html>
<html>
<head>
<title>first_post</title>
</head>
<body>
<h1>Header title</h1>
<h1>Test h1</h1>
</body>
</html>
`
if string(html) != expectedBody {
t.Fatalf("Expected file content: %v got: %v", expectedBody, html)
}
fp := filepath.Join(c.Root, markdown.DefaultStaticDir)
if err = os.RemoveAll(fp); err != nil {
t.Errorf("Error while removing the generated static files: ", err)
}
}
func TestMarkdown(t *testing.T) {
templates := make(map[string]string)
templates[DefaultTemplate] = "testdata/markdown_tpl.html"
md := Markdown{
Root: "./testdata",
FileSys: http.Dir("./testdata"),
Configs: []Config{
Config{
Renderer: blackfriday.HtmlRenderer(0, "", ""),
PathScope: "/blog",
Extensions: []string{".md"},
Styles: []string{},
Scripts: []string{},
Templates: templates,
StaticDir: DefaultStaticDir,
StaticFiles: make(map[string]string),
},
Config{
Renderer: blackfriday.HtmlRenderer(0, "", ""),
PathScope: "/log",
Extensions: []string{".md"},
Styles: []string{"/resources/css/log.css", "/resources/css/default.css"},
Scripts: []string{"/resources/js/log.js", "/resources/js/default.js"},
Templates: make(map[string]string),
StaticDir: DefaultStaticDir,
StaticFiles: make(map[string]string),
},
Config{
Renderer: blackfriday.HtmlRenderer(0, "", ""),
PathScope: "/og",
Extensions: []string{".md"},
Styles: []string{},
Scripts: []string{},
Templates: templates,
StaticDir: "testdata/og_static",
StaticFiles: map[string]string{"/og/first.md": "testdata/og_static/og/first.md/index.html"},
Links: []PageLink{
PageLink{
Title: "first",
Summary: "",
Date: time.Now(),
URL: "/og/first.md",
},
},
},
},
IndexFiles: []string{"index.html"},
Next: middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
t.Fatalf("Next shouldn't be called")
return 0, nil
}),
}
for i := range md.Configs {
c := &md.Configs[i]
if err := GenerateStatic(md, c); err != nil {
t.Fatalf("Error: %v", err)
}
Watch(md, c, time.Millisecond*100)
}
req, err := http.NewRequest("GET", "/blog/test.md", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec := httptest.NewRecorder()
md.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Wrong status, expected: %d and got %d", http.StatusOK, rec.Code)
}
respBody := rec.Body.String()
expectedBody := `<!DOCTYPE html>
<html>
<head>
<title>Markdown test</title>
</head>
<body>
<h1>Header</h1>
Welcome to A Caddy website!
<h2>Welcome on the blog</h2>
<p>Body</p>
<p><code>go
func getTrue() bool {
return true
}
</code></p>
</body>
</html>
`
if !equalStrings(respBody, expectedBody) {
t.Fatalf("Expected body: %v got: %v", expectedBody, respBody)
}
req, err = http.NewRequest("GET", "/log/test.md", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec = httptest.NewRecorder()
md.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Wrong status, expected: %d and got %d", http.StatusOK, rec.Code)
}
respBody = rec.Body.String()
expectedBody = `<!DOCTYPE html>
<html>
<head>
<title>Markdown test</title>
<meta charset="utf-8">
<link rel="stylesheet" href="/resources/css/log.css">
<link rel="stylesheet" href="/resources/css/default.css">
<script src="/resources/js/log.js"></script>
<script src="/resources/js/default.js"></script>
</head>
<body>
<h2>Welcome on the blog</h2>
<p>Body</p>
<p><code>go
func getTrue() bool {
return true
}
</code></p>
</body>
</html>`
if !equalStrings(respBody, expectedBody) {
t.Fatalf("Expected body: %v got: %v", expectedBody, respBody)
}
req, err = http.NewRequest("GET", "/og/first.md", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec = httptest.NewRecorder()
currenttime := time.Now().Local().Add(-time.Second)
err = os.Chtimes("testdata/og/first.md", currenttime, currenttime)
currenttime = time.Now().Local()
err = os.Chtimes("testdata/og_static/og/first.md/index.html", currenttime, currenttime)
time.Sleep(time.Millisecond * 200)
md.ServeHTTP(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("Wrong status, expected: %d and got %d", http.StatusOK, rec.Code)
}
respBody = rec.Body.String()
expectedBody = `<!DOCTYPE html>
<html>
<head>
<title>first_post</title>
</head>
<body>
<h1>Header</h1>
Welcome to title!
<h1>Test h1</h1>
</body>
</html>`
if !equalStrings(respBody, expectedBody) {
t.Fatalf("Expected body: %v got: %v", expectedBody, respBody)
}
expectedLinks := []string{
"/blog/test.md",
"/log/test.md",
}
for i, c := range md.Configs[:2] {
log.Printf("Test number: %d, configuration links: %v, config: %v", i, c.Links, c)
if c.Links[0].URL != expectedLinks[i] {
t.Fatalf("Expected %v got %v", expectedLinks[i], c.Links[0].URL)
}
}
// attempt to trigger race conditions
var w sync.WaitGroup
f := func() {
req, err := http.NewRequest("GET", "/log/test.md", nil)
if err != nil {
t.Fatalf("Could not create HTTP request: %v", err)
}
rec := httptest.NewRecorder()
md.ServeHTTP(rec, req)
w.Done()
}
for i := 0; i < 5; i++ {
w.Add(1)
go f()
}
w.Wait()
f = func() {
GenerateStatic(md, &md.Configs[0])
w.Done()
}
for i := 0; i < 5; i++ {
w.Add(1)
go f()
}
w.Wait()
if err = os.RemoveAll(DefaultStaticDir); err != nil {
t.Errorf("Error while removing the generated static files: %v", err)
}
}
import (
"fmt"
"net/http"
"strings"
"github.com/osfx/snail/config/parse"
"github.com/osfx/snail/middleware"
"github.com/osfx/snail/server"
)
// NewTestController creates a new *Controller for
// the input specified, with a filename of "Testfile"
func NewTestController(input string) *Controller {
return &Controller{
Config: &server.Config{},
Dispenser: parse.NewDispenser("Testfile", strings.NewReader(input)),
}
}
// EmptyNext is a no-op function that can be passed into
// middleware.Middleware functions so that the assignment
// to the Next field of the Handler can be tested.
var EmptyNext = middleware.HandlerFunc(func(w http.ResponseWriter, r *http.Request) (int, error) {
return 0, nil
})
// SameNext does a pointer comparison between next1 and next2.
func SameNext(next1, next2 middleware.Handler) bool {
return fmt.Sprintf("%p", next1) == fmt.Sprintf("%p", next2)
}