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swagger_test.go
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package httpSwagger
import (
"bytes"
"html/template"
"io"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/swaggo/swag"
)
type mockedSwag struct{}
func (s *mockedSwag) ReadDoc() string {
return `{
"swagger": "2.0",
"info": {
"description": "This is a sample server Petstore server.",
"title": "Swagger Example API",
"termsOfService": "http://swagger.io/terms/",
"contact": {
"name": "API Support",
"url": "http://www.swagger.io/support",
"email": "[email protected]"
},
"license": {
"name": "Apache 2.0",
"url": "http://www.apache.org/licenses/LICENSE-2.0.html"
},
"version": "1.0"
},
"host": "petstore.swagger.io",
"basePath": "/v2",
"paths": {}
}`
}
func TestWrapHandler(t *testing.T) {
tests := []struct {
RootFolder string
InstanceName string
}{
{
RootFolder: "/",
InstanceName: "default",
},
{
RootFolder: "/swagger/",
InstanceName: "swagger",
},
{
RootFolder: "/custom/",
InstanceName: "custom",
},
}
for _, test := range tests {
router := http.NewServeMux()
router.Handle(test.RootFolder, Handler(
DocExpansion("none"),
DomID("swagger-ui"),
InstanceName(test.InstanceName),
))
w1 := performRequest(http.MethodGet, test.RootFolder+"index.html", router)
assert.Equal(t, http.StatusOK, w1.Code)
assert.Equal(t, w1.Header()["Content-Type"][0], "text/html; charset=utf-8")
assert.Equal(t, http.StatusInternalServerError, performRequest(http.MethodGet, test.RootFolder+"doc.json", router).Code)
doc := &mockedSwag{}
swag.Register(test.InstanceName, doc)
w2 := performRequest(http.MethodGet, test.RootFolder+"doc.json", router)
assert.Equal(t, http.StatusOK, w2.Code)
assert.Equal(t, "application/json; charset=utf-8", w2.Header().Get("content-type"))
// Perform body rendering validation
w2Body, err := io.ReadAll(w2.Body)
assert.NoError(t, err)
assert.Equal(t, doc.ReadDoc(), string(w2Body))
w3 := performRequest(http.MethodGet, test.RootFolder+"favicon-16x16.png", router)
assert.Equal(t, http.StatusOK, w3.Code)
assert.Equal(t, w3.Header()["Content-Type"][0], "image/png")
w4 := performRequest(http.MethodGet, test.RootFolder+"swagger-ui.css", router)
assert.Equal(t, http.StatusOK, w4.Code)
assert.Equal(t, w4.Header()["Content-Type"][0], "text/css; charset=utf-8")
w5 := performRequest(http.MethodGet, test.RootFolder+"swagger-ui-bundle.js", router)
assert.Equal(t, http.StatusOK, w5.Code)
assert.Equal(t, w5.Header()["Content-Type"][0], "application/javascript")
w6 := performRequest(http.MethodGet, test.RootFolder+"oauth2-redirect.html?state=0&session_state=1&code=2", router)
assert.Equal(t, http.StatusOK, w6.Code)
assert.Equal(t, w6.Header()["Content-Type"][0], "text/html; charset=utf-8")
assert.Equal(t, http.StatusNotFound, performRequest(http.MethodGet, test.RootFolder+"notfound", router).Code)
assert.Equal(t, 301, performRequest(http.MethodGet, test.RootFolder, router).Code)
assert.Equal(t, http.StatusMethodNotAllowed, performRequest(http.MethodPost, test.RootFolder+"index.html", router).Code)
assert.Equal(t, http.StatusMethodNotAllowed, performRequest(http.MethodPut, test.RootFolder+"index.html", router).Code)
}
}
func performRequest(method, target string, h http.Handler) *httptest.ResponseRecorder {
r := httptest.NewRequest(method, target, nil)
w := httptest.NewRecorder()
h.ServeHTTP(w, r)
return w
}
func TestURL(t *testing.T) {
var cfg *Config
expected := "https://github.com/swaggo/http-swagger"
cfg = newConfig(URL(expected))
assert.Equal(t, expected, cfg.URL)
}
func TestDeepLinking(t *testing.T) {
var cfg Config
// Default value
assert.Equal(t, false, cfg.DeepLinking)
// Set true
DeepLinking(true)(&cfg)
assert.Equal(t, true, cfg.DeepLinking)
// Set false
DeepLinking(false)(&cfg)
assert.Equal(t, false, cfg.DeepLinking)
}
func TestLayout(t *testing.T) {
var cfg *Config
cfg = newConfig()
assert.Equal(t, StandaloneLayout, cfg.Layout)
cfg = newConfig(Layout(BaseLayout))
assert.Equal(t, BaseLayout, cfg.Layout)
}
func TestDocExpansion(t *testing.T) {
var cfg *Config
expected := "https://github.com/swaggo/docs"
cfg = newConfig(DocExpansion(expected))
assert.Equal(t, expected, cfg.DocExpansion)
}
func TestDomID(t *testing.T) {
var cfg *Config
expected := "swagger-ui"
cfg = newConfig(DomID(expected))
assert.Equal(t, expected, cfg.DomID)
}
func TestInstanceName(t *testing.T) {
var cfg *Config
expected := swag.Name
cfg = newConfig(InstanceName(expected))
assert.Equal(t, expected, cfg.InstanceName)
expected = "custom_name"
cfg = newConfig(InstanceName(expected))
assert.Equal(t, expected, cfg.InstanceName)
cfg = newConfig(InstanceName(""))
assert.Equal(t, swag.Name, cfg.InstanceName)
}
func TestPersistAuthorization(t *testing.T) {
var cfg *Config
// Default value
cfg = newConfig()
assert.Equal(t, false, cfg.PersistAuthorization)
// Set true
cfg = newConfig(PersistAuthorization(true))
assert.Equal(t, true, cfg.PersistAuthorization)
// Set false
cfg = newConfig(PersistAuthorization(false))
assert.Equal(t, false, cfg.PersistAuthorization)
}
func TestConfigURL(t *testing.T) {
type fixture struct {
desc string
cfgfn func(c *Config)
exp *Config
}
fixtures := []fixture{
{
desc: "configure URL",
exp: &Config{
URL: "https://example.org/doc.json",
},
cfgfn: URL("https://example.org/doc.json"),
},
{
desc: "configure DeepLinking",
exp: &Config{
DeepLinking: true,
},
cfgfn: DeepLinking(true),
},
{
desc: "configure DocExpansion",
exp: &Config{
DocExpansion: "none",
},
cfgfn: DocExpansion("none"),
},
{
desc: "configure DomID",
exp: &Config{
DomID: "#swagger-ui",
},
cfgfn: DomID("#swagger-ui"),
},
{
desc: "configure Plugins",
exp: &Config{
Plugins: []template.JS{
"SomePlugin",
"AnotherPlugin",
},
},
cfgfn: Plugins([]string{
"SomePlugin",
"AnotherPlugin",
}),
},
{
desc: "configure UIConfig",
exp: &Config{
UIConfig: map[template.JS]template.JS{
"urls": `["https://example.org/doc1.json","https://example.org/doc1.json"],`,
},
},
cfgfn: UIConfig(map[string]string{
"urls": `["https://example.org/doc1.json","https://example.org/doc1.json"],`,
}),
},
{
desc: "configure BeforeScript",
exp: &Config{
BeforeScript: `const SomePlugin = (system) => ({
// Some plugin
});`,
},
cfgfn: BeforeScript(`const SomePlugin = (system) => ({
// Some plugin
});`),
},
{
desc: "configure AfterScript",
exp: &Config{
AfterScript: `const SomePlugin = (system) => ({
// Some plugin
});`,
},
cfgfn: AfterScript(`const SomePlugin = (system) => ({
// Some plugin
});`),
},
}
for _, fix := range fixtures {
t.Run(fix.desc, func(t *testing.T) {
cfg := &Config{}
fix.cfgfn(cfg)
assert.Equal(t, cfg, fix.exp)
})
}
}
func TestUIConfigOptions(t *testing.T) {
type fixture struct {
desc string
cfg *Config
exp string
}
hdr := `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Swagger UI</title>
<link rel="stylesheet" type="text/css" href="./swagger-ui.css" >
<link rel="icon" type="image/png" href="./favicon-32x32.png" sizes="32x32" />
<link rel="icon" type="image/png" href="./favicon-16x16.png" sizes="16x16" />
<style>
html
{
box-sizing: border-box;
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
*,
*:before,
*:after
{
box-sizing: inherit;
}
body {
margin:0;
background: #fafafa;
}
</style>
</head>
<body>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="position:absolute;width:0;height:0">
<defs>
<symbol viewBox="0 0 20 20" id="unlocked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V6h2v-.801C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8z"></path>
</symbol>
<symbol viewBox="0 0 20 20" id="locked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703 6 5.6V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139 1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8 8zM12 8H8V5.199C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="close">
<path d="M14.348 14.849c-.469.469-1.229.469-1.697 0L10 11.819l-2.651 3.029c-.469.469-1.229.469-1.697 0-.469-.469-.469-1.229 0-1.697l2.758-3.15-2.759-3.152c-.469-.469-.469-1.228 0-1.697.469-.469 1.228-.469 1.697 0L10 8.183l2.651-3.031c.469-.469 1.228-.469 1.697 0 .469.469.469 1.229 0 1.697l-2.758 3.152 2.758 3.15c.469.469.469 1.229 0 1.698z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow">
<path d="M13.25 10L6.109 2.58c-.268-.27-.268-.707 0-.979.268-.27.701-.27.969 0l7.83 7.908c.268.271.268.709 0 .979l-7.83 7.908c-.268.271-.701.27-.969 0-.268-.269-.268-.707 0-.979L13.25 10z"/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow-down">
<path d="M17.418 6.109c.272-.268.709-.268.979 0s.271.701 0 .969l-7.908 7.83c-.27.268-.707.268-.979 0l-7.908-7.83c-.27-.268-.27-.701 0-.969.271-.268.709-.268.979 0L10 13.25l7.418-7.141z"/>
</symbol>
<symbol viewBox="0 0 24 24" id="jump-to">
<path d="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83 13H21V7z"/>
</symbol>
<symbol viewBox="0 0 24 24" id="expand">
<path d="M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z"/>
</symbol>
</defs>
</svg>
<div id="swagger-ui"></div>
<script src="./swagger-ui-bundle.js"> </script>
<script src="./swagger-ui-standalone-preset.js"> </script>
<script>
`
ftr := `
</script>
</body>
</html>
`
fixtures := []fixture{
{
desc: "default configuration",
cfg: &Config{
URL: "doc.json",
DeepLinking: true,
DocExpansion: "list",
DomID: "swagger-ui",
PersistAuthorization: false,
Layout: StandaloneLayout,
DefaultModelsExpandDepth: ShowModel,
},
exp: `window.onload = function() {
const ui = SwaggerUIBundle({
url: "doc.json",
deepLinking: true ,
docExpansion: "list",
dom_id: "#swagger-ui",
persistAuthorization: false ,
validatorUrl: null,
presets: [
SwaggerUIBundle.presets.apis,
SwaggerUIStandalonePreset
],
plugins: [
SwaggerUIBundle.plugins.DownloadUrl
],
layout: "StandaloneLayout",
defaultModelsExpandDepth: 1
})
window.ui = ui
}`,
},
{
desc: "script configuration",
cfg: &Config{
URL: "swagger.json",
DeepLinking: false,
PersistAuthorization: true,
DocExpansion: "none",
DomID: "swagger-ui-id",
Layout: StandaloneLayout,
BeforeScript: `const SomePlugin = (system) => ({
// Some plugin
});
`,
AfterScript: `const someOtherCode = function(){
// Do something
};
someOtherCode();`,
Plugins: []template.JS{
"SomePlugin",
"AnotherPlugin",
},
UIConfig: map[template.JS]template.JS{
"showExtensions": "true",
"onComplete": `() => { window.ui.setBasePath('v3'); }`,
"defaultModelRendering": `"model"`,
},
DefaultModelsExpandDepth: HideModel,
},
exp: `window.onload = function() {
const SomePlugin = (system) => ({
// Some plugin
});
const ui = SwaggerUIBundle({
url: "swagger.json",
deepLinking: false ,
docExpansion: "none",
dom_id: "#swagger-ui-id",
persistAuthorization: true ,
validatorUrl: null,
presets: [
SwaggerUIBundle.presets.apis,
SwaggerUIStandalonePreset
],
plugins: [
SwaggerUIBundle.plugins.DownloadUrl,
SomePlugin,
AnotherPlugin
],
defaultModelRendering: "model",
onComplete: () => { window.ui.setBasePath('v3'); },
showExtensions: true,
layout: "StandaloneLayout",
defaultModelsExpandDepth: -1
})
window.ui = ui
const someOtherCode = function(){
// Do something
};
someOtherCode();
}`,
},
}
for _, fix := range fixtures {
t.Run(fix.desc, func(t *testing.T) {
tmpl := template.New("swagger_index.html")
index, err := tmpl.Parse(indexTempl)
if err != nil {
t.Fatal(err)
}
buf := bytes.NewBuffer(nil)
if err := index.Execute(buf, fix.cfg); err != nil {
t.Fatal(err)
}
exp := hdr + fix.exp + ftr
// Compare line by line
explns := strings.Split(exp, "\n")
buflns := strings.Split(buf.String(), "\n")
explen, buflen := len(explns), len(buflns)
if explen != buflen {
t.Errorf("expected %d lines, but got %d", explen, buflen)
}
printContext := func(idx int) {
lines := 3
firstIdx := idx - lines
if firstIdx < 0 {
firstIdx = 0
}
lastIdx := idx + lines
if lastIdx > explen {
lastIdx = explen
}
if lastIdx > buflen {
lastIdx = buflen
}
t.Logf("expected:\n")
for i := firstIdx; i < lastIdx; i++ {
t.Logf(explns[i])
}
t.Logf("got:\n")
for i := firstIdx; i < lastIdx; i++ {
t.Logf(buflns[i])
}
}
for i, expln := range explns {
if i >= buflen {
printContext(i)
t.Fatalf(`first unequal line: expected "%s" but got EOF`, expln)
}
bufln := buflns[i]
if bufln != expln {
printContext(i)
t.Fatalf(`first unequal line: expected "%s" but got "%s"`, expln, bufln)
}
}
if buflen > explen {
printContext(explen - 1)
t.Fatalf(`first unequal line: expected EOF, but got "%s"`, buflns[explen])
}
})
}
}
func TestDefaultModelsExpandDepth(t *testing.T) {
cfg := newConfig()
// Default value
assert.Equal(t, ShowModel, cfg.DefaultModelsExpandDepth)
// Set hide
DefaultModelsExpandDepth(HideModel)(cfg)
assert.Equal(t, HideModel, cfg.DefaultModelsExpandDepth)
// Set show
DefaultModelsExpandDepth(ShowModel)(cfg)
assert.Equal(t, ShowModel, cfg.DefaultModelsExpandDepth)
}
func TestShowExtensions(t *testing.T) {
var cfg *Config
cfg = newConfig()
assert.False(t, cfg.ShowExtensions)
cfg = newConfig(ShowExtensions(true))
assert.True(t, cfg.ShowExtensions)
cfg = newConfig(ShowExtensions(false))
assert.False(t, cfg.ShowExtensions)
}