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themepark_test.go
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package traefik_themepark
import (
"bytes"
"context"
"fmt"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"github.com/packruler/rewrite-body/compressutil"
)
func compressString(value string, encoding string) string {
compressed, _ := compressutil.Encode([]byte(value), encoding)
return string(compressed)
}
func TestServeHTTP(t *testing.T) {
tests := []struct {
desc string
acceptEncoding string
acceptContent string
contentEncoding string
contentType string
config Config
resBody string
expResBody string
expLastModified bool
baseURL string
}{
{
desc: "should replace </head> properly with no whitespace",
config: Config{App: "placeholder", Theme: "dark"},
resBody: "<head><script></script></head><body></body>",
expResBody: "<head><script></script>" +
fmt.Sprintf(replFormat, "https://theme-park.dev", "placeholder", "dark") +
"</head>" +
"<body></body>",
acceptContent: "text/html",
contentType: "text/html",
},
{
desc: "should replace </head> properly with on new line",
config: Config{App: "placeholder", Theme: "dark"},
resBody: `<head>
<script></script>
</head>
<body></body>`,
expResBody: `<head>
<script></script>
` + fmt.Sprintf(replFormat, "https://theme-park.dev", "placeholder", "dark") +
"</head>" + `
<body></body>`,
acceptContent: "text/html",
contentType: "text/html",
},
{
desc: "should compress to gzip with proper header",
config: Config{App: "placeholder", Theme: "dark"},
contentEncoding: compressutil.Gzip,
resBody: compressString("<head><script></script></head><body></body>", compressutil.Gzip),
expResBody: compressString(
"<head><script></script>"+
fmt.Sprintf(replFormat, "https://theme-park.dev", "placeholder", "dark")+
"</head>"+
"<body></body>",
compressutil.Gzip),
acceptEncoding: compressutil.Gzip,
acceptContent: "text/html",
contentType: "text/html",
},
{
desc: "should compress to zlib with proper header",
config: Config{App: "placeholder", Theme: "dark"},
contentEncoding: compressutil.Deflate,
resBody: compressString("<head><script></script></head><body></body>", compressutil.Deflate),
expResBody: compressString(
"<head><script></script>"+
fmt.Sprintf(replFormat, "https://theme-park.dev", "placeholder", "dark")+
"</head>"+
"<body></body>",
compressutil.Deflate,
),
acceptEncoding: compressutil.Deflate,
acceptContent: "text/html",
contentType: "text/html",
},
{
desc: "should not compress if not encoded from service",
config: Config{App: "placeholder", Theme: "dark"},
resBody: "<head><script></script></head><body></body>",
expResBody: "<head><script></script>" +
fmt.Sprintf(replFormat, "https://theme-park.dev", "placeholder", "dark") +
"</head>" +
"<body></body>",
acceptEncoding: compressutil.Gzip,
acceptContent: "text/html",
contentType: "text/html",
},
{
desc: "should use custom baseURL",
config: Config{App: "placeholder", Theme: "dark", BaseURL: "http://test.com"},
resBody: "<head><script></script></head><body></body>",
expResBody: "<head><script></script>" +
fmt.Sprintf(replFormat, "http://test.com", "placeholder", "dark") +
"</head>" +
"<body></body>",
acceptEncoding: compressutil.Gzip,
acceptContent: "text/html",
contentType: "text/html",
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
config := test.config
next := func(responseWriter http.ResponseWriter, _ *http.Request) {
responseWriter.Header().Set("Content-Encoding", test.contentEncoding)
responseWriter.Header().Set("Content-Type", test.contentType)
responseWriter.Header().Set("Content-Length", strconv.Itoa(len(test.resBody)))
responseWriter.WriteHeader(http.StatusOK)
_, _ = fmt.Fprintf(responseWriter, "%s", test.resBody)
}
rewriteBody, err := New(context.Background(), http.HandlerFunc(next), &config, "rewriteBody")
if err != nil {
t.Fatal(err)
}
recorder := httptest.NewRecorder()
req := httptest.NewRequest(http.MethodGet, "/", nil)
req.Header.Set("Accept-Encoding", test.acceptEncoding)
req.Header.Set("Accept", test.acceptContent)
recorder.Result().Header.Set("Content-Type", "text/html")
rewriteBody.ServeHTTP(recorder, req)
if _, exists := recorder.Result().Header["Content-Length"]; exists {
t.Error("The Content-Length Header must be deleted")
}
if !bytes.Equal([]byte(test.expResBody), recorder.Body.Bytes()) {
t.Errorf("got body: %s\n wanted: %s", recorder.Body.Bytes(), []byte(test.expResBody))
}
})
}
}
func TestReplacementString(t *testing.T) {
tests := []struct {
desc string
config Config
expected string
}{
{
desc: "Nord placeholder Theme",
config: Config{App: "placeholder", Theme: "nord"},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/nord.css\"></head>",
},
{
desc: "Darker placeholder Theme (with Theme: base)",
config: Config{App: "placeholder", Theme: "base", Addons: []string{"darker"}},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/placeholder-base.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-darker/placeholder-darker.css\">" +
"</head>",
},
{
desc: "Darker placeholder Theme (with no theme)",
config: Config{App: "placeholder", Addons: []string{"darker"}},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/placeholder-base.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-darker/placeholder-darker.css\">" +
"</head>",
},
{
desc: "Darker placeholder Theme (with no theme) with 4k logo",
config: Config{App: "placeholder", Addons: []string{"darker", "4k-logo"}},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/placeholder-base.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-darker/placeholder-darker.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-4k-logo/placeholder-4k-logo.css\">" +
"</head>",
},
{
desc: "Nord placeholder Theme with 4k logo",
config: Config{App: "placeholder", Theme: "nord", Addons: []string{"4k-logo"}},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/nord.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-4k-logo/placeholder-4k-logo.css\">" +
"</head>",
},
{
desc: "Nord placeholder Theme with 4k logo with placeholder name included",
config: Config{App: "placeholder", Theme: "nord", Addons: []string{"placeholder-4k-logo"}},
expected: "<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/base/placeholder/nord.css\">" +
"<link rel=\"stylesheet\" type=\"text/css\" href=\"https://theme-park.dev/css/addons/placeholder/placeholder-4k-logo/placeholder-4k-logo.css\">" +
"</head>",
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
config := test.config
config.setDefaults()
result := config.getReplacementString()
if test.expected != config.getReplacementString() {
t.Errorf("result: '%s' | expected: '%s'", result, test.expected)
}
})
}
}
func TestRegexTarget(t *testing.T) {
tests := []struct {
desc string
config Config
expected string
}{
{
desc: "placeholder should be default head based",
config: Config{App: "placeholder"},
expected: "</head>",
},
{
desc: "Sonarr should be body based",
config: Config{App: "Sonarr"},
expected: "</body>",
},
{
desc: "qBittorrent should be body based",
config: Config{App: "qBittorrent"},
expected: "</body>",
},
{
desc: "VueTorrent should be body based",
config: Config{App: "VueTorrent"},
expected: "</body>",
},
{
desc: "Emby should be body based",
config: Config{App: "Emby"},
expected: "</body>",
},
{
desc: "Jellyfin should be body based",
config: Config{App: "Jellyfin"},
expected: "</body>",
},
{
desc: "Radarr should be body based",
config: Config{App: "Radarr"},
expected: "</body>",
},
{
desc: "Prowlarr should be body based",
config: Config{App: "Prowlarr"},
expected: "</body>",
},
{
desc: "Sonarr should be body based",
config: Config{App: "Sonarr"},
expected: "</body>",
},
{
desc: "Readarr should be body based",
config: Config{App: "Readarr"},
expected: "</body>",
},
{
desc: "Lidarr should be body based",
config: Config{App: "Lidarr"},
expected: "</body>",
},
{
desc: "Whisparr should be body based",
config: Config{App: "Whisparr"},
expected: "</body>",
},
{
desc: "Provided Target should be used",
config: Config{App: "Emby", Target: "</footer>"},
expected: "</footer>",
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
config := test.config
config.setDefaults()
if test.expected != config.Target {
t.Errorf("app: %s | result: '%s' | expected: '%s'", config.App, config.Target, test.expected)
}
})
}
}