add png content-type headers

* add goreleaser.yml
add README.md

* update goreleaser

.goreleaser.yml

@@ -0,0 +1,10 @@
+builds:
+  - skip: true
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'

PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,8 @@
+**Describe the PR**
+e.g. add cool parser.
+
+**Relation issue**
+e.g. https://github.com/swaggo/gin-swagger/pull/123/files
+
+**Additional context**
+Add any other context about the problem here.

README.md

@@ -6,6 +6,7 @@ gin middleware to automatically generate RESTFUL API documentation with Swagger
 [![Codecov branch](https://img.shields.io/codecov/c/github/swaggo/gin-swagger/master.svg)](https://codecov.io/gh/swaggo/gin-swagger)
 [![Go Report Card](https://goreportcard.com/badge/github.com/swaggo/gin-swagger)](https://goreportcard.com/report/github.com/swaggo/gin-swagger)
 [![GoDoc](https://godoc.org/github.com/swaggo/gin-swagger?status.svg)](https://godoc.org/github.com/swaggo/gin-swagger)
+[![Release](https://img.shields.io/github/release/swaggo/gin-swagger.svg?style=flat-square)](https://github.com/swaggo/gin-swagger/releases)
 
 
 ## Usage
@@ -147,5 +148,6 @@ func main() {
 | Option                   | Type   | Default    | Description                                                               |
 |--------------------------|--------|------------|---------------------------------------------------------------------------|
 | URL                      | string | "doc.json" | URL pointing to API definition                                            |
-| DeepLinking              | bool   | true       | Swagger deeplinking configuration                                         |
+| DocExpantion             | string | "list"     | Controls the default expansion setting for the operations and tags. It can be 'list' (expands only the tags), 'full' (expands the tags and operations) or 'none' (expands nothing). |
+| DeepLinking              | bool   | true       | If set to true, enables deep linking for tags and operations. See the Deep Linking documentation for more information.|
 | DefaultModelsExpandDepth | int    | 1          | Default expansion depth for models (set to -1 completely hide the models) |

swagger.go

@@ -4,8 +4,8 @@ import (
 	"html/template"
 	"net/http"
 	"os"
+	"path/filepath"
 	"regexp"
-	"strings"
 	"sync"
 
 	"golang.org/x/net/webdav"
@@ -19,6 +19,7 @@ type Config struct {
 	//The url pointing to API definition (normally swagger.json or swagger.yaml). Default is `doc.json`.
 	URL                      string
 	DeepLinking              bool
+	DocExpansion             string
 	DefaultModelsExpandDepth int
 }
 
@@ -29,6 +30,13 @@ func URL(url string) func(c *Config) {
 	}
 }
 
+// DocExpansion list, full, none.
+func DocExpansion(docExpansion string) func(c *Config) {
+	return func(c *Config) {
+		c.DocExpansion = docExpansion
+	}
+}
+
 // DeepLinking set the swagger deeplinking configuration
 func DeepLinking(deepLinking bool) func(c *Config) {
 	return func(c *Config) {
@@ -49,6 +57,7 @@ func WrapHandler(h *webdav.Handler, confs ...func(c *Config)) gin.HandlerFunc {
 	defaultConfig := &Config{
 		URL:                      "doc.json",
 		DeepLinking:              true,
+		DocExpansion:             "list",
 		DefaultModelsExpandDepth: 1,
 	}
 
@@ -60,52 +69,45 @@ func WrapHandler(h *webdav.Handler, confs ...func(c *Config)) gin.HandlerFunc {
 }
 
 // CustomWrapHandler wraps `http.Handler` into `gin.HandlerFunc`
-func CustomWrapHandler(config *Config, h *webdav.Handler) gin.HandlerFunc {
-	//create a template with name
+func CustomWrapHandler(config *Config, handler *webdav.Handler) gin.HandlerFunc {
+	var once sync.Once
+
+	// create a template with name
 	t := template.New("swagger_index.html")
 	index, _ := t.Parse(swagger_index_templ)
 
 	var rexp = regexp.MustCompile(`(.*)(index\.html|doc\.json|favicon-16x16\.png|favicon-32x32\.png|/oauth2-redirect\.html|swagger-ui\.css|swagger-ui\.css\.map|swagger-ui\.js|swagger-ui\.js\.map|swagger-ui-bundle\.js|swagger-ui-bundle\.js\.map|swagger-ui-standalone-preset\.js|swagger-ui-standalone-preset\.js\.map)[\?|.]*`)
-	var locker sync.RWMutex
 
 	return func(c *gin.Context) {
+		matches := rexp.FindStringSubmatch(c.Request.RequestURI)
 
-		type swaggerUIBundle struct {
-			URL                      string
-			DeepLinking              bool
-			DefaultModelsExpandDepth int
-		}
-
-		var matches []string
-		if matches = rexp.FindStringSubmatch(c.Request.RequestURI); len(matches) != 3 {
+		if len(matches) != 3 {
 			c.Status(404)
-			c.Writer.Write([]byte("404 page not found"))
+			_, _ = c.Writer.Write([]byte("404 page not found"))
 			return
 		}
+
 		path := matches[2]
-		prefix := matches[1]
+		once.Do(func() {
+			handler.Prefix = matches[1]
+		})
 
-		locker.Lock()
-		h.Prefix = prefix
-		locker.Unlock()
-
-		if strings.HasSuffix(path, ".html") {
+		switch filepath.Ext(path) {
+		case ".html":
 			c.Header("Content-Type", "text/html; charset=utf-8")
-		} else if strings.HasSuffix(path, ".css") {
+		case ".css":
 			c.Header("Content-Type", "text/css; charset=utf-8")
-		} else if strings.HasSuffix(path, ".js") {
+		case ".js":
 			c.Header("Content-Type", "application/javascript")
-		} else if strings.HasSuffix(path, ".json") {
+		case ".png":
+			c.Header("Content-Type", "image/png")
+		case ".json":
 			c.Header("Content-Type", "application/json; charset=utf-8")
 		}
 
 		switch path {
 		case "index.html":
-			index.Execute(c.Writer, &swaggerUIBundle{
-				URL:                      config.URL,
-				DeepLinking:              config.DeepLinking,
-				DefaultModelsExpandDepth: config.DefaultModelsExpandDepth,
-			})
+			_ = index.Execute(c.Writer, config)
 		case "doc.json":
 			doc, err := swag.ReadDoc()
 			if err != nil {
@@ -113,11 +115,9 @@ func CustomWrapHandler(config *Config, h *webdav.Handler) gin.HandlerFunc {
 
 				return
 			}
-			c.Writer.Write([]byte(doc))
+			_, _ = c.Writer.Write([]byte(doc))
 		default:
-			locker.RLock()
-			h.ServeHTTP(c.Writer, c.Request)
-			locker.RUnlock()
+			handler.ServeHTTP(c.Writer, c.Request)
 		}
 	}
 }
@@ -238,6 +238,7 @@ window.onload = function() {
       SwaggerUIBundle.plugins.DownloadUrl
     ],
 	layout: "StandaloneLayout",
+    docExpansion: "{{.DocExpansion}}",
 	deepLinking: {{.DeepLinking}},
 	defaultModelsExpandDepth: {{.DefaultModelsExpandDepth}}
   })

swaggerFiles/ab0x.go

@@ -1,17 +1,17 @@
-// Code generated by fileb0x at "2017-11-26 17:57:18.000591466 +0600 +06 m=+3.756909921" from config file "b0x.yml" DO NOT EDIT.
+// Code generated by fileb0x at "2021-08-11 21:14:46.428511689 +0300 EEST m=+0.096329763" from config file "b0x.yaml" DO NOT EDIT.
+// modification hash(37610a5b0ca328f5072d5ee653766db2.84893f7d7f6af7d7916db9fe20160151)
 
 package swaggerFiles
 
 import (
 	"bytes"
 
+	"context"
 	"io"
-	"log"
 	"net/http"
 	"os"
 	"path"
 
-	"golang.org/x/net/context"
 	"golang.org/x/net/webdav"
 )
 
@@ -30,15 +30,17 @@ var (
 )
 
 // HTTPFS implements http.FileSystem
-type HTTPFS struct{}
+type HTTPFS struct {
+	// Prefix allows to limit the path of all requests. F.e. a prefix "css" would allow only calls to /css/*
+	Prefix string
+}
 
 func init() {
-	if CTX.Err() != nil {
-		log.Fatal(CTX.Err())
+	err := CTX.Err()
+	if err != nil {
+		panic(err)
 	}
 
-	//var err error
-
 	Handler = &webdav.Handler{
 		FileSystem: FS,
 		LockSystem: webdav.NewMemLS(),
@@ -48,6 +50,8 @@ func init() {
 
 // Open a file
 func (hfs *HTTPFS) Open(path string) (http.File, error) {
+	path = hfs.Prefix + path
+
 	f, err := FS.OpenFile(CTX, path, os.O_RDONLY, 0644)
 	if err != nil {
 		return nil, err
@@ -107,7 +111,11 @@ func WalkDirs(name string, includeDirsInList bool, files ...string) ([]string, e
 	}
 
 	fileInfos, err := f.Readdir(0)
-	f.Close()
+	if err != nil {
+		return nil, err
+	}
+
+	err = f.Close()
 	if err != nil {
 		return nil, err
 	}

swaggerFiles/b0xfile__favicon-16x16.png.go

@@ -1,29 +1,30 @@
-// Code generaTed by fileb0x at "2017-11-26 17:57:23.142282087 +0600 +06 m=+8.898600553" from config file "b0x.yml" DO NOT EDIT.
+// Code generaTed by fileb0x at "2021-08-11 21:11:48.973787292 +0300 EEST m=+0.273940433" from config file "b0x.yaml" DO NOT EDIT.
+// modified(2021-08-11 21:10:36.055919109 +0300 EEST)
+// original path: swagger-ui/dist/favicon-16x16.png
 
 package swaggerFiles
 
 import (
-	"log"
 	"os"
 )
 
 // FileFavicon16x16Png is "/favicon-16x16.png"
-var FileFavicon16x16Png = []byte("\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\x00\x00\x10\x00\x00\x00\x10\x08\x06\x00\x00\x00\x1f\xf3\xff\x61\x00\x00\x01\x84\x49\x44\x41\x54\x78\x01\x95\x53\x03\x4c\x75\x71\x1c\xfd\x8c\xf1\xc3\xec\x30\xa7\x29\xcd\x61\xb6\x6b\x36\xb2\x9b\xf9\xb2\x6b\xc8\x35\x2f\xdb\x8d\x71\x78\xc6\x94\x6d\xcc\x7b\xef\x7f\x4f\xff\xf3\x6c\xdc\xed\xf2\xe0\xfe\xf8\xc9\xff\x50\x14\x11\x2f\x14\x5b\xa3\x50\xc4\xa1\xbc\x3f\xf1\x74\x3e\x37\x12\x73\x13\x03\x85\xca\x37\x49\x52\x09\x61\xb5\x6a\x8f\xa7\x31\xbe\x5d\x88\xf6\xb9\x4c\xf0\x1c\x93\xcf\xda\xe3\x29\x10\x93\x66\x8d\xe4\x06\x13\xcf\xde\x3c\x9b\xd1\x34\x95\x8a\x92\x81\x4f\x41\xcf\x46\x89\xdd\x3c\x9b\x20\x4d\xe6\x7d\x4c\xe4\x07\x15\xc5\xf5\xe3\xff\x49\x0c\x7b\xd6\x8d\xff\x73\x99\x34\xba\x73\x66\x68\xae\x3f\xaf\x6b\x1a\x70\x72\x77\x10\x20\x3c\xb9\xdb\xc7\x86\xa6\xd1\x19\x49\x0a\xa8\xb1\xd7\x84\x79\x33\x67\x17\x31\x54\x24\xb5\x63\x7f\x71\xfb\x62\x71\xbf\x6b\x8e\x27\x1d\x51\xb0\xc2\x2c\x92\x0b\x78\x7c\x3b\x46\xe5\xf0\xef\x00\x83\xf2\xa1\x1f\x78\x7c\x3f\x71\xbd\xcb\xc2\x16\x80\x5a\x46\xf0\xc4\x4a\xf3\xe3\xe4\x6e\x31\xcc\x17\x6b\x60\x3a\x7d\xcb\x79\xe8\x98\xcb\x42\xc7\x7c\x36\x7a\x97\x72\xd1\x34\x9d\x06\xd3\xf9\x8a\xe4\x94\x90\x8b\xb6\xd9\x0c\x50\xeb\x63\x40\xd0\x7c\xbe\x2a\xc9\x34\xc8\xa7\x98\x27\xcd\x68\x00\xe3\xd9\x32\xa6\x76\x4b\x7d\x0c\x42\xa4\xf0\x2b\x44\x0a\xc7\x81\x29\xb0\x10\x9a\xe3\xa9\xd8\x8b\x78\xe4\x28\xa2\xbb\x8d\x6c\x0d\x01\xb6\x8a\x2d\xf3\x37\x38\xbe\xdd\xc7\xa6\xb6\xc9\xd9\xc6\x64\xd8\x5c\x6d\xf4\x0c\x92\x09\x75\x51\x0e\xd2\xf5\xb3\xd1\xf1\x77\xdf\x51\x16\xb3\x34\x61\x24\xa1\xc4\xc4\x28\x56\xbc\x46\xd9\xdf\xa4\x91\xe9\xb0\x26\x2c\x12\x2b\xcd\x93\xcf\x1c\x1c\x62\xdc\xca\x00\x71\x74\xeb\xcc\x2d\x14\x89\xfe\xfc\x0f\x6d\x32\x6a\x88\xec\xcc\x73\x18\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82")
+var FileFavicon16x16Png = []byte("\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\x00\x00\x10\x00\x00\x00\x10\x08\x03\x00\x00\x00\x28\x2d\x0f\x53\x00\x00\x01\x35\x50\x4c\x54\x45\x62\xb1\x34\x61\xb1\x34\x5e\xab\x35\x5b\xa5\x35\x57\xa0\x37\x55\x9d\x37\x52\x97\x38\x51\x96\x38\x2f\x5e\x40\x2e\x5d\x40\x2d\x5a\x41\x2b\x57\x41\x33\x66\x3e\x34\x66\x3f\x39\x6f\x3d\x25\x4e\x43\x24\x4d\x43\x24\x4f\x43\x26\x4d\x42\x24\x4b\x42\x23\x4c\x42\x21\x49\x43\x24\x4b\x42\x24\x4c\x42\x24\x4d\x42\x25\x4d\x42\x24\x4e\x43\x25\x4e\x43\x1c\x41\x44\x1c\x3f\x45\x1f\x43\x44\x1d\x43\x44\x1f\x44\x44\x20\x45\x43\x22\x49\x43\x22\x49\x43\x23\x4a\x42\x27\x53\x41\x24\x4c\x43\x26\x50\x41\x22\x47\x42\x22\x48\x43\x29\x56\x41\x2b\x59\x3f\x24\x4d\x41\x25\x4d\x42\x14\x36\x46\x15\x34\x44\x15\x32\x47\x11\x33\x44\x12\x35\x46\x10\x31\x42\x0c\x31\x49\x15\x2b\x40\x00\x24\x49\x00\x33\x4d\x00\x33\x33\x00\x00\x00\x00\x00\x00\x85\xea\x2d\x84\xe9\x2c\x83\xe8\x2c\x82\xe6\x2d\x81\xe5\x2c\x7f\xe2\x2e\x80\xe1\x2e\x7d\xdd\x2e\x7c\xdd\x2e\x76\xd2\x30\x74\xd0\x30\x72\xca\x31\x71\xc9\x31\x70\xc8\x31\x6f\xc6\x32\x6d\xc5\x31\x6d\xc4\x31\x6c\xc3\x32\x6b\xc0\x32\x6a\xbf\x32\x69\xbe\x33\x68\xbb\x33\x68\xba\x33\x67\xb8\x33\x4b\x8d\x39\x4a\x8a\x3a\x4a\x89\x3a\x44\x7f\x3b\x43\x7f\x3c\x40\x79\x3d\x3e\x77\x3d\x39\x6e\x3e\x38\x6d\x3e\x38\x6e\x3f\x36\x6a\x3f\x35\x68\x3f\x33\x65\x3f\x1b\x3d\x45\x1b\x3e\x45\x1c\x3f\x45\x1c\x3d\x45\x1e\x43\x45\x1f\x44\x44\x20\x46\x44\x60\x25\x11\x2f\x00\x00\x00\x3b\x74\x52\x4e\x53\xf4\xf4\xf5\xf5\xf6\xf5\xf7\xf6\xee\xee\xef\xf0\xea\xea\xe7\xe1\xe1\xe0\xe0\xe3\xe3\xdf\xdc\xdb\xdb\xda\xd9\xd8\xd8\xdb\xcf\xbf\xbc\xba\xac\xab\xa9\xa9\xa1\x99\x96\x94\x8e\x89\x85\x84\x4c\x31\x24\x1e\x1d\x1f\x15\x0c\x07\x0a\x05\x01\x00\x07\x07\xae\xc9\x00\x00\x00\xd8\x49\x44\x41\x54\x78\xda\x3d\xcf\xd9\x2e\x43\x51\x18\x86\xe1\xcf\x6e\x8a\x8d\x52\x69\xa9\x22\x86\xb6\x31\xcf\x73\xd6\xbb\x5b\xb3\x84\x12\x1b\x41\x8c\x35\x94\x3b\x75\xe0\x86\xa4\x12\xc1\x5a\xcd\x4e\x9f\xa3\xff\xff\xce\x5e\x19\x6b\x2e\x97\x49\x76\x0f\x4c\x2d\xb9\x5b\xc6\xac\x0f\x77\x94\x4b\x50\x3a\x4e\x8c\xae\xba\x61\x63\x30\x4e\xa4\x69\x68\xcd\x0e\x85\x96\xe8\xdd\xdb\x24\x96\x37\x9a\xf7\xe1\xf2\x01\xeb\xf1\x1e\xda\x16\x54\x08\xe1\x7d\x0b\x6b\xe7\x0d\xc2\x49\xf5\x04\xf0\x1a\xe0\xbc\x40\xd0\xa7\x14\x5c\xdd\xec\x9f\x1f\x9c\x1e\x9e\x54\x2e\x20\xed\xfd\x49\xbf\x71\xff\xcb\xaf\xf9\xb5\xef\x98\xf4\xa3\x6c\x00\x4f\x45\x9c\xe7\x22\x41\xaf\xc6\x43\xa8\xee\x62\x6d\x57\xe1\x6c\x42\xcb\xad\x70\x5b\xc1\xba\xbb\x86\xf6\x45\x99\x31\x8f\x86\xe6\x9c\xf1\x94\xca\x7f\x28\xf2\x99\x49\x4b\x36\x70\xba\xf3\xc8\xc5\x95\x13\x23\xf5\x38\x6b\x65\x36\x9b\xec\xea\x9f\xa9\xe7\xff\x03\xcd\x4a\x39\x84\xc0\xe4\xbb\xd1\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82")
 
 func init() {
 
 	f, err := FS.OpenFile(CTX, "/favicon-16x16.png", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0777)
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 
 	_, err = f.Write(FileFavicon16x16Png)
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 
 	err = f.Close()
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 }

swaggerFiles/b0xfile__favicon-32x32.png.go

@@ -1,29 +1,30 @@
-// Code generaTed by fileb0x at "2017-11-26 17:57:18.759175324 +0600 +06 m=+4.515493805" from config file "b0x.yml" DO NOT EDIT.
+// Code generaTed by fileb0x at "2021-08-11 21:11:49.069266556 +0300 EEST m=+0.369419692" from config file "b0x.yaml" DO NOT EDIT.
+// modified(2021-08-11 21:10:36.055919109 +0300 EEST)
+// original path: swagger-ui/dist/favicon-32x32.png
 
 package swaggerFiles
 
 import (
-	"log"
 	"os"
 )
 
 // FileFavicon32x32Png is "/favicon-32x32.png"
-var FileFavicon32x32Png = []byte("\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\x00\x00\x20\x00\x00\x00\x20\x08\x06\x00\x00\x00\x73\x7a\x7a\xf4\x00\x00\x04\x3c\x49\x44\x41\x54\x78\x01\xbd\x57\x03\xcc\x65\x59\x0c\x7e\x6b\xdb\xb6\x6d\xc4\x5e\xc7\x5e\xdb\xb6\x3d\x46\xf0\xdb\xb6\x6d\xdb\xb6\x6d\xf3\xa2\xd3\x6f\xf2\xce\x33\x7f\x35\x69\xee\x61\xdb\x5b\x1f\x8d\xa3\xa0\xaa\xea\xa9\xb2\xb2\xf9\xa4\xac\x48\x3f\xf2\x37\x42\x92\xd7\xab\x78\x3c\x02\x94\xe4\x8d\x1a\xfe\x46\x61\x0f\x67\x70\x56\xb3\x53\xa0\xa8\xf2\x85\x4c\xf8\x7b\x45\x91\xfa\x88\x54\x72\x04\x70\x96\x05\xf9\x91\xef\x5e\x6c\x8f\xbe\x9d\x3f\x96\xde\x66\x22\x53\x82\x30\xaf\xd1\xf0\x74\x03\x95\xb4\x7a\x52\x62\xe5\xcf\x14\x5e\xf4\x21\x90\xc7\x3f\x51\x71\xab\x07\xef\xd5\x13\xce\x08\xc0\x5d\xa6\xf1\x2e\x68\x39\xc9\x5c\xb9\x98\xff\x20\x4e\x10\x5b\xdf\x5c\xa6\xbc\xa6\xe3\xf4\x6f\xc4\xdd\xf4\x99\xa7\xc6\x26\xfe\x13\x71\x17\xe5\x36\x1e\xe3\x3b\x4b\x3a\xa1\x59\x88\x04\xd0\x74\x94\xf9\xd5\x7c\xa1\x41\x5c\xae\xea\x0a\xa1\x5f\x82\xaf\x01\x71\xa7\xf0\x97\xa0\xab\xa9\xb2\x33\x08\x34\x84\x59\x9a\x98\xf6\xb5\x76\xff\x5c\x30\x67\xc7\xa2\x90\xfc\xb7\x41\x6c\x5b\x18\x9c\xff\x26\xb1\xc3\x1a\x08\xa1\x5e\x6c\xcb\xe6\x71\x82\xb9\x47\xc6\x2b\x20\xb0\x23\xe8\x9e\xf6\xa2\xa1\x10\x09\x16\x7d\x02\x0e\x07\x75\x01\x43\xf2\xdf\xc2\xc5\x1d\xc5\xa0\xbc\x37\x48\xd0\x87\x63\x9a\xaa\xfe\x42\xf6\xd8\x09\x62\xa8\xea\x0a\x36\xba\xf8\xb5\xcf\x39\x54\xd1\x11\x40\xab\xeb\x73\x34\x34\x55\x6b\x97\xd1\xe0\x54\x0d\xad\x6e\xcc\xc3\xfe\xf4\xb5\xef\xb9\x46\x7b\x15\x9d\x01\xba\xe8\x30\x0a\x51\xc4\xb9\xf0\x76\x53\x87\x8b\x2e\xfd\x82\x00\xe3\x73\x6d\x94\xdd\x70\xc8\xae\x00\xd9\xf5\x07\x69\x6c\xb6\x85\x00\xb1\x65\x5f\x1b\xed\xfd\x1c\x74\x95\x2e\x3a\x90\xb4\x74\xb6\x67\xbb\xf4\x60\x31\x8f\xc3\xc7\x94\x20\xa2\x00\xb0\x3f\xfa\x21\x87\xd5\xfd\x5f\xd4\x7d\x04\xa8\xed\x89\x30\xdb\xcb\x69\x38\xa2\xf5\x05\xb9\xef\xa4\x2f\x20\x75\x8a\x90\x43\x0c\x9b\x5e\x68\x19\x4c\x21\xc0\xef\xa1\x37\x39\x2c\x00\xb4\x08\x68\x1d\x4c\x33\xdb\xfb\x3b\xfc\x0e\x5d\x68\x32\xef\xa7\x35\x50\x05\x26\xc8\x62\x38\x60\x2e\x40\x1a\x01\x7e\x0b\xb9\xde\x61\x01\x7e\x0c\xbc\x1c\x4c\xa8\x75\x28\xdd\xd2\x3e\x7c\x49\x44\xc4\xcf\xd0\x40\x04\x26\x25\xad\x1e\x16\x0f\xf7\x8d\x97\x41\x52\xfa\xca\xe7\x6c\x87\x05\xf8\xd2\xfb\x0c\x84\x1d\x0d\x4c\x56\x59\xdc\x2f\x6a\x75\x13\x1a\x88\xd2\xa0\xaa\x61\x82\x7c\x6e\x7a\x70\x5f\xf4\x03\xc8\x09\xd4\x3b\x5e\x8a\x39\x7d\xee\x75\x9a\x91\x20\x60\x04\x14\x73\xec\xe1\x0c\xc6\x5d\xa3\x05\x60\x60\xd1\x77\x12\x2a\x7e\x20\x00\xf3\xae\xd3\xa0\x9c\x62\x82\xa2\x62\x78\x28\xb3\x6e\x1f\x71\x78\xd2\xf2\xda\x34\x1d\x8a\x7d\x1c\x6b\xd4\x3e\x9c\x49\x2b\xeb\xb3\xf4\x6b\xc8\x75\x60\x4c\x93\xf3\x5d\x34\xb5\xd0\xc3\xe3\x33\xd9\xee\xd7\xf2\xd9\x19\xea\x18\xc9\xc1\x59\x3a\x18\xfb\x28\x2d\xad\x4e\x82\x06\x65\xd5\x1f\x30\xa2\x1d\x56\xf8\xbe\x30\xc1\x98\x35\x01\xf8\xd2\x7e\x5c\xa6\xa5\xb5\x29\x26\xf6\x98\x56\x80\x6c\xe4\x03\xf8\x03\x04\x00\x73\x9a\x5e\xec\x85\x00\xf4\x2b\x0b\x00\xe1\x3a\x47\xf2\x70\x96\x0e\xc4\x3c\x42\x8b\xab\x13\xa0\x81\xd0\xb4\x2e\x00\xab\xd8\xaa\x09\xf6\xc7\x3c\xac\x35\x41\x09\xe6\xf4\x05\xab\xf7\x6b\x23\x13\x9c\x09\x34\x32\xc1\x17\x3a\x13\xe4\xc3\x04\x10\xde\xae\x09\x22\x30\x29\xb6\xe6\x84\x13\xc2\x09\xcf\x72\xda\x09\xfb\x27\x2b\x2d\x3b\x61\x8b\x70\x42\x29\x66\x77\xc2\x30\xc0\x66\x18\x22\x5d\x0b\x01\x10\x86\x92\x41\x22\xba\x73\x0f\x12\xd1\xed\x06\x89\x48\x7a\x5a\x9b\x8a\xe5\x3e\x2c\xe4\x36\x1e\x35\xbb\x50\xdd\x15\x4a\x80\x7d\xce\xa4\xe2\xc8\x7b\x6d\xa4\xe2\xc3\xc2\x01\x07\xc0\xdb\xa4\x18\x2d\xa1\x93\x31\xba\x10\x53\xfa\x25\xb6\x50\x60\x10\x19\x76\x99\x23\x7c\x47\x67\x9b\x09\x10\x57\xf6\x8d\x49\x31\xba\x92\xd6\x36\x17\x45\x12\xfa\xd9\xa8\xf3\x55\x54\x65\x0a\x1b\x95\x9d\x81\x66\xe5\x18\xa5\x75\x6d\x63\x81\x86\xa6\xeb\xec\x09\x80\x34\xcb\x67\x17\xa1\x39\xfa\xc6\xf7\x3c\xa3\xbd\xf2\x0e\x7f\x02\x80\x97\x59\xc7\xac\x18\x34\x24\x68\xa3\x76\xba\x21\x09\xcc\x7b\xcd\xb4\x21\xb1\xd8\x92\x25\x68\xe3\x93\xdc\xd3\x5f\xda\x31\xe6\xae\x69\xcf\x83\xa6\x70\xbc\x24\xf0\xb2\xda\x94\xa2\x71\x14\x42\x40\x13\xdb\xff\xf3\xd7\x0d\xfa\x41\xb9\xc5\x6e\x7b\x8e\xd6\x59\x08\x01\x75\xc1\x27\x7e\x16\x8e\xe9\x04\xa2\xfb\x41\x2b\xc7\x34\x0c\x98\xab\xd7\x3a\xfc\x30\xd1\x76\xaf\x24\xa2\x23\xb7\xf1\x08\xfd\x6d\x21\x4f\x58\x68\x38\x10\x6a\x7c\x67\xd1\xe0\x61\xb2\x99\x04\x9a\x5b\x79\x9a\xbd\x6b\xf2\x34\x43\x24\xa0\x9e\x23\x9f\xa3\xa8\x00\x31\xc6\x1a\x22\xc0\xe4\x69\xa6\xcc\x30\xf3\xf7\xb7\xf5\x58\x45\xb8\xe0\xa1\xc9\xc2\x0c\x90\x83\x80\x24\x83\x38\xdf\xd6\xe3\xd4\x82\x46\x4e\x47\x0f\x87\x36\x8a\xbf\x31\xa8\x64\x28\xa7\x40\x8c\x51\x58\x90\xdb\x19\x9f\xc5\x59\x47\xe9\x9e\x00\xa5\x79\x33\x5d\x9a\x4a\xe1\x22\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82")
+var FileFavicon32x32Png = []byte("\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52\x00\x00\x00\x20\x00\x00\x00\x20\x08\x03\x00\x00\x00\x44\xa4\x8a\xc6\x00\x00\x00\x90\x50\x4c\x54\x45\x00\x00\x00\x10\x33\x44\x16\x35\x46\x16\x36\x46\x17\x36\x46\x00\x2e\x3a\x16\x35\x46\x18\x38\x45\x17\x37\x46\x1a\x3c\x45\x0f\x31\x40\x14\x33\x44\x15\x35\x46\x16\x36\x46\x16\x35\x46\x16\x35\x45\x16\x35\x46\x15\x34\x46\x16\x36\x46\x16\x35\x46\x16\x33\x47\x85\xea\x2d\x17\x36\x47\x21\x47\x43\x81\xe5\x2c\x33\x66\x3f\x70\xc9\x31\x2f\x5e\x40\x37\x6b\x3e\x5a\xa5\x36\x7e\xe0\x2e\x43\x80\x3b\x77\xd4\x2f\x5f\xae\x35\x39\x6f\x3e\x6e\xc5\x32\x3f\x78\x3c\x73\xce\x30\x26\x4f\x42\x2c\x59\x41\x1e\x42\x45\x65\xb7\x34\x7a\xd9\x2e\x83\xe8\x2c\x48\x87\x3a\x4a\x8a\x3a\x49\x88\x3a\x4e\x90\x39\x78\x6f\x8d\xe5\x00\x00\x00\x15\x74\x52\x4e\x53\x00\x15\xcd\xf4\xe1\x07\x99\xfe\xf8\xfe\x10\x20\x77\xc4\xa9\x46\x8a\x53\xd7\xbd\x2d\x8a\x6b\xf8\x74\x00\x00\x01\x7e\x49\x44\x41\x54\x78\xda\x85\x53\xd9\x76\x82\x30\x10\x1d\x25\x10\x22\xee\x96\x09\x6b\x64\x07\xc5\xb6\xff\xff\x77\x2d\x49\x20\x14\x3d\xf6\xbe\x4c\x72\xe6\xce\x3e\x03\x06\xf6\x69\xbf\x26\xae\x4b\xd6\xfb\x93\x0d\xcf\x58\x39\x16\xb2\xb0\xfa\x7c\x54\x21\x43\xd7\x59\x2d\xf5\x5b\x0b\x93\x3c\xf0\x25\x82\x3c\x44\x6b\xfb\xc7\xcb\x66\x87\x49\xe4\xcf\x10\x25\xb8\xdb\x18\xbd\x47\xd8\xcd\x5f\x20\x67\xc4\x9b\xec\x09\x37\xe6\xc6\x09\x27\x3a\x11\x7b\x4d\x4b\xff\x05\x4a\xba\xb6\x55\x7e\x98\x0e\xff\xbe\x5c\xba\x49\xf1\x28\x03\x58\xc9\xf0\xab\x39\xc6\xa3\xa6\xa5\x71\x36\xc8\xc4\x1d\x82\x1c\xa9\xfc\x54\x58\xa4\x93\x69\x8c\x57\x69\x44\x9d\x5f\x82\x25\xdf\x7e\x8c\x99\x71\x5e\x63\x2b\xe5\xd5\xb5\xe1\x80\xaa\xc2\x06\xc5\xa4\xef\x05\x36\xf2\x71\xc3\x03\x38\x4c\xf5\x8f\xa3\x94\x1a\x94\x4b\x11\x30\x07\x2e\xb1\x7a\x62\xe7\xcf\xd0\x50\x45\x8f\x2f\x40\x0a\xd5\x38\x4c\xe6\x84\x02\x53\x25\xcf\xa0\xf2\x0d\x91\xd7\x7d\xdb\x65\x41\xc3\x85\xe0\x4d\x5f\x73\x0c\x65\x96\x16\xb8\x23\x21\x0b\x38\xbf\x0b\xce\x83\xac\x6b\xfb\xa8\x1b\x09\x3a\x84\xf8\x36\x21\x94\xc1\x97\xd0\x21\x76\x3a\x49\xca\xe6\x04\x36\x26\xb9\x03\x87\xf5\xba\x4c\xe1\x1b\x60\x37\x95\x79\xc2\x9b\x26\xdc\x8d\x5e\x20\x9f\x1a\x65\xbb\x57\xdd\xc9\xda\x10\xee\xb3\x56\xc3\x7e\x1c\x56\x6c\x86\x55\x60\x35\xc8\x4c\x0e\xcb\xa3\xa1\x34\x2a\xd8\x20\xf5\xe0\x78\x29\x6b\x91\xe3\x86\xa3\xee\x9a\x41\x54\xf6\xb3\x85\x01\xfb\xfc\xcf\xca\x81\x67\xbd\x5f\x5a\x80\x83\xc5\xf2\xa5\x3e\xa7\xc4\x83\x09\x1f\xe4\xfd\xe1\x00\xac\x2e\xf8\xf6\xf4\x86\x30\x67\x1c\x8e\xf7\xf1\x7c\xbc\x26\xce\xf6\xd5\xf9\xff\x00\xc6\x8c\x46\x7b\xbe\xb8\x05\x67\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82")
 
 func init() {
 
 	f, err := FS.OpenFile(CTX, "/favicon-32x32.png", os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0777)
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 
 	_, err = f.Write(FileFavicon32x32Png)
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 
 	err = f.Close()
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 }

swagger_test.go

@@ -1,13 +1,13 @@
 package ginSwagger
 
 import (
-	"github.com/gin-contrib/gzip"
-	"github.com/swaggo/swag"
-
 	"net/http/httptest"
 	"os"
 	"testing"
 
+	"github.com/gin-contrib/gzip"
+	"github.com/swaggo/swag"
+
 	"github.com/gin-gonic/gin"
 	"github.com/stretchr/testify/assert"
 	"github.com/swaggo/gin-swagger/swaggerFiles"
@@ -38,6 +38,7 @@ func TestWrapCustomHandler(t *testing.T) {
 
 	w1 := performRequest("GET", "/index.html", router)
 	assert.Equal(t, 200, w1.Code)
+	assert.Equal(t, w1.Header()["Content-Type"][0], "text/html; charset=utf-8")
 
 	w2 := performRequest("GET", "/doc.json", router)
 	assert.Equal(t, 500, w2.Code)
@@ -49,9 +50,18 @@ func TestWrapCustomHandler(t *testing.T) {
 
 	w3 := performRequest("GET", "/favicon-16x16.png", router)
 	assert.Equal(t, 200, w3.Code)
+	assert.Equal(t, w3.Header()["Content-Type"][0], "image/png")
 
-	w4 := performRequest("GET", "/notfound", router)
-	assert.Equal(t, 404, w4.Code)
+	w4 := performRequest("GET", "/swagger-ui.css", router)
+	assert.Equal(t, 200, w4.Code)
+	assert.Equal(t, w4.Header()["Content-Type"][0], "text/css; charset=utf-8")
+
+	w5 := performRequest("GET", "/swagger-ui-bundle.js", router)
+	assert.Equal(t, 200, w5.Code)
+	assert.Equal(t, w5.Header()["Content-Type"][0], "application/javascript")
+
+	w6 := performRequest("GET", "/notfound", router)
+	assert.Equal(t, 404, w6.Code)
 }
 
 func TestDisablingWrapHandler(t *testing.T) {
@@ -74,7 +84,7 @@ func TestDisablingWrapHandler(t *testing.T) {
 	w4 := performRequest("GET", "/simple/notfound", router)
 	assert.Equal(t, 404, w4.Code)
 
-	os.Setenv(disablingKey, "true")
+	_ = os.Setenv(disablingKey, "true")
 
 	router.GET("/disabling/*any", DisablingWrapHandler(swaggerFiles.Handler, disablingKey))
 
@@ -102,7 +112,7 @@ func TestDisablingCustomWrapHandler(t *testing.T) {
 	w1 := performRequest("GET", "/simple/index.html", router)
 	assert.Equal(t, 200, w1.Code)
 
-	os.Setenv(disablingKey, "true")
+	_ = os.Setenv(disablingKey, "true")
 
 	router.GET("/disabling/*any", DisablingCustomWrapHandler(&Config{}, swaggerFiles.Handler, disablingKey))
 
@@ -143,25 +153,59 @@ func performRequest(method, target string, router *gin.Engine) *httptest.Respons
 }
 
 func TestURL(t *testing.T) {
-	expected := "https://github.com/swaggo/http-swagger"
 	cfg := Config{}
+
+	expected := "https://github.com/swaggo/http-swagger"
 	configFunc := URL(expected)
 	configFunc(&cfg)
 	assert.Equal(t, expected, cfg.URL)
 }
 
-func TestDeepLinking(t *testing.T) {
-	expected := true
-	cfg := Config{}
-	configFunc := DeepLinking(expected)
+func TestDocExpansion(t *testing.T) {
+	var cfg Config
+
+	expected := "list"
+	configFunc := DocExpansion(expected)
 	configFunc(&cfg)
-	assert.Equal(t, expected, cfg.DeepLinking)
+	assert.Equal(t, expected, cfg.DocExpansion)
+
+	expected = "full"
+	configFunc = DocExpansion(expected)
+	configFunc(&cfg)
+	assert.Equal(t, expected, cfg.DocExpansion)
+
+	expected = "none"
+	configFunc = DocExpansion(expected)
+	configFunc(&cfg)
+	assert.Equal(t, expected, cfg.DocExpansion)
+}
+
+func TestDeepLinking(t *testing.T) {
+	var cfg Config
+	assert.Equal(t, false, cfg.DeepLinking)
+
+	configFunc := DeepLinking(true)
+	configFunc(&cfg)
+	assert.Equal(t, true, cfg.DeepLinking)
+
+	configFunc = DeepLinking(false)
+	configFunc(&cfg)
+	assert.Equal(t, false, cfg.DeepLinking)
+
 }
 
 func TestDefaultModelsExpandDepth(t *testing.T) {
+	var cfg Config
+
+	assert.Equal(t, 0, cfg.DefaultModelsExpandDepth)
+
 	expected := -1
-	cfg := Config{}
 	configFunc := DefaultModelsExpandDepth(expected)
 	configFunc(&cfg)
 	assert.Equal(t, expected, cfg.DefaultModelsExpandDepth)
+
+	expected = 1
+	configFunc = DefaultModelsExpandDepth(expected)
+	configFunc(&cfg)
+	assert.Equal(t, expected, cfg.DefaultModelsExpandDepth)
 }