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package middleware
import (
"context"
"fmt"
"net/http"
"net/http/httptest"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestRedocMiddleware(t *testing.T) {
t.Run("with defaults", func(t *testing.T) {
redoc := Redoc(RedocOpts{}, nil)
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/docs", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
redoc.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
assert.Equal(t, "text/html; charset=utf-8", recorder.Header().Get(contentTypeHeader))
var o RedocOpts
o.EnsureDefaults()
assert.Contains(t, recorder.Body.String(), fmt.Sprintf("<title>%s</title>", o.Title))
assert.Contains(t, recorder.Body.String(), fmt.Sprintf("<redoc spec-url='%s'></redoc>", o.SpecURL))
assert.Contains(t, recorder.Body.String(), redocLatest)
})
t.Run("with alternate path and spec URL", func(t *testing.T) {
redoc := Redoc(RedocOpts{
BasePath: "/base",
Path: "ui",
SpecURL: "/ui/swagger.json",
}, nil)
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/base/ui", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
redoc.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
assert.Contains(t, recorder.Body.String(), "<redoc spec-url='/ui/swagger.json'></redoc>")
})
t.Run("with custom template", func(t *testing.T) {
redoc := Redoc(RedocOpts{
Template: `<!DOCTYPE html>
<html>
<head>
<title>{{ .Title }}</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Roboto:300,400,700" rel="stylesheet">
<!--
ReDoc doesn't change outer page styles
-->
<style>
body {
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<redoc
spec-url='{{ .SpecURL }}'
required-props-first=true
theme='{
"sidebar": {
"backgroundColor": "lightblue"
}
}'
></redoc>
<script src="{{ .RedocURL }}"> </script>
</body>
</html>
`,
}, nil)
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, "/docs", nil)
require.NoError(t, err)
recorder := httptest.NewRecorder()
redoc.ServeHTTP(recorder, req)
assert.Equal(t, http.StatusOK, recorder.Code)
assert.Contains(t, recorder.Body.String(), "required-props-first=true")
})
t.Run("edge cases", func(t *testing.T) {
t.Run("with invalid custom template", func(t *testing.T) {
assert.Panics(t, func() {
Redoc(RedocOpts{
Template: `<!DOCTYPE html>
<html>
<head>
spec-url='{{ .Spec
</html>
`,
}, nil)
})
})
t.Run("with custom template that fails to execute", func(t *testing.T) {
assert.Panics(t, func() {
Redoc(RedocOpts{
Template: `<!DOCTYPE html>
<html>
spec-url='{{ .Unknown }}'
</html>
`,
}, nil)
})
})
})
}