f5158b866c
One-liner static file serving: v.Static("/assets/", "./public") for
filesystem directories and v.StaticFS("/assets/", fsys) for embed.FS.
Both auto-normalize the URL prefix and disable directory listings.
144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
package via
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import (
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"io/fs"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"testing"
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"testing/fstest"
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"github.com/stretchr/testify/assert"
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)
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func TestStatic(t *testing.T) {
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dir := t.TempDir()
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os.MkdirAll(filepath.Join(dir, "sub"), 0755)
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os.WriteFile(filepath.Join(dir, "hello.txt"), []byte("hello world"), 0644)
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os.WriteFile(filepath.Join(dir, "sub", "nested.txt"), []byte("nested"), 0644)
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v := New()
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v.Static("/assets/", dir)
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t.Run("serves file", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/assets/hello.txt", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "hello world", w.Body.String())
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})
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t.Run("serves nested file", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/assets/sub/nested.txt", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "nested", w.Body.String())
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})
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t.Run("directory listing returns 404", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/assets/", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusNotFound, w.Code)
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})
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t.Run("subdirectory listing returns 404", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/assets/sub/", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusNotFound, w.Code)
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})
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t.Run("missing file returns 404", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/assets/nope.txt", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusNotFound, w.Code)
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})
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}
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func TestStaticAutoSlash(t *testing.T) {
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dir := t.TempDir()
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os.WriteFile(filepath.Join(dir, "ok.txt"), []byte("ok"), 0644)
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v := New()
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v.Static("/files", dir) // no trailing slash
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/files/ok.txt", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "ok", w.Body.String())
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}
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func TestStaticFS(t *testing.T) {
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fsys := fstest.MapFS{
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"style.css": {Data: []byte("body{}")},
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"js/app.js": {Data: []byte("console.log('hi')")},
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}
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v := New()
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v.StaticFS("/static/", fsys)
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t.Run("serves file", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/static/style.css", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "body{}", w.Body.String())
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})
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t.Run("serves nested file", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/static/js/app.js", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "console.log('hi')", w.Body.String())
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})
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t.Run("directory listing returns 404", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/static/", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusNotFound, w.Code)
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})
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t.Run("missing file returns 404", func(t *testing.T) {
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/static/nope.css", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusNotFound, w.Code)
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})
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}
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func TestStaticFSAutoSlash(t *testing.T) {
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fsys := fstest.MapFS{
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"ok.txt": {Data: []byte("ok")},
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}
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v := New()
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v.StaticFS("/embed", fsys) // no trailing slash
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w := httptest.NewRecorder()
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r := httptest.NewRequest("GET", "/embed/ok.txt", nil)
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v.mux.ServeHTTP(w, r)
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assert.Equal(t, http.StatusOK, w.Code)
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assert.Equal(t, "ok", w.Body.String())
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}
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// Verify StaticFS accepts the fs.FS interface (compile-time check).
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var _ fs.FS = fstest.MapFS{}
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