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("", 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: `
spec-url='{{ .Unknown }}'