Function TestStatic_CustomFS

middleware/static_test.go:454–545

(t *testing.T)

}

func TestStatic_CustomFS(t *testing.T) {
	var testCases = []struct {
		name           string
		filesystem     fs.FS
		root           string
		whenURL        string
		expectContains string
		expectCode     int
	}{
		{
			name:           "ok, serve index with Echo message",
			whenURL:        "/",
			filesystem:     os.DirFS("../_fixture"),
			expectCode:     http.StatusOK,
			expectContains: "<title>Echo</title>",
		},

		{
			name:           "ok, serve index with Echo message",
			whenURL:        "/_fixture/",
			filesystem:     os.DirFS(".."),
			expectCode:     http.StatusOK,
			expectContains: "<title>Echo</title>",
		},
		{
			name:    "ok, serve file from map fs",
			whenURL: "/file.txt",
			filesystem: fstest.MapFS{
				"file.txt": &fstest.MapFile{Data: []byte("file.txt is ok")},
			},
			expectCode:     http.StatusOK,
			expectContains: "file.txt is ok",
		},
		{
			name:       "nok, missing file in map fs",
			whenURL:    "/file.txt",
			expectCode: http.StatusNotFound,
			filesystem: fstest.MapFS{
				"file2.txt": &fstest.MapFile{Data: []byte("file2.txt is ok")},
			},
		},
		{
			name:    "nok, file is not a subpath of root",
			whenURL: `/../../secret.txt`,
			root:    "/nested/folder",
			filesystem: fstest.MapFS{
				"secret.txt": &fstest.MapFile{Data: []byte("this is a secret")},
			},
			expectCode: http.StatusNotFound,
		},
		{
			name:       "nok, backslash is forbidden",
			whenURL:    `/..\..\secret.txt`,
			expectCode: http.StatusNotFound,
			root:       "/nested/folder",
			filesystem: fstest.MapFS{
				"secret.txt": &fstest.MapFile{Data: []byte("this is a secret")},
			},