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package middleware
import (
"context"
"fmt"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestSwaggerUIMiddleware(t *testing.T) {
var o SwaggerUIOpts
o.EnsureDefaults()
swui := SwaggerUI(o, nil)
t.Run("with defaults ", func(t *testing.T) {
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/docs", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
swui.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
assert.Equal(t, "text/html; charset=utf-8", recorder.Header().Get(contentTypeHeader))
assert.Contains(t, recorder.Body.String(), fmt.Sprintf("<title>%s</title>", o.Title))
assert.Contains(t, recorder.Body.String(), fmt.Sprintf(`url: '%s',`, strings.ReplaceAll(o.SpecURL, `/`, `\/`)))
assert.Contains(t, recorder.Body.String(), swaggerLatest)
assert.Contains(t, recorder.Body.String(), swaggerPresetLatest)
assert.Contains(t, recorder.Body.String(), swaggerStylesLatest)
assert.Contains(t, recorder.Body.String(), swaggerFavicon16Latest)
assert.Contains(t, recorder.Body.String(), swaggerFavicon32Latest)
})
t.Run("with path with a trailing / (issue #238)", func(t *testing.T) {
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/docs/", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
swui.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
})
t.Run("should yield not found", func(t *testing.T) {
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/nowhere", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
swui.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusNotFound, recorder.Code)
})
t.Run("edge cases", func(t *testing.T) {
t.Run("with custom template that fails to execute", func(t *testing.T) {
assert.Panics(t, func() {
SwaggerUI(SwaggerUIOpts{
Template: `<!DOCTYPE html>
<html>
spec-url='{{ .Unknown }}'
</html>
`,
}, nil)
})
})
})
}