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cors_test.go
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cors_test.go
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package cors
import (
"testing"
"github.com/savsgio/atreugo/v11"
"github.com/valyala/fasthttp"
)
func Test_New(t *testing.T) { //nolint:funlen
type args struct {
method string
origin string
vary string
cfg Config
}
type want struct {
origin string
vary string
allowedHeaders string
allowedMethods string
exposedHeaders string
allowCredentials string
allowMaxAge string
}
tests := []struct {
args args
want want
}{
{
args: args{
method: "OPTIONS",
vary: "Accept-Encoding",
origin: "https://cors.test",
cfg: Config{
AllowedOrigins: []string{"https://other.domain.test", "https://cors.test"},
AllowedHeaders: []string{"Content-Type", "X-Custom"},
AllowedMethods: []string{"GET", "POST", "DELETE"},
ExposedHeaders: []string{"Content-Length", "Authorization"},
AllowCredentials: true,
AllowMaxAge: 5600,
},
},
want: want{
origin: "https://cors.test",
vary: "Accept-Encoding, Origin",
allowedHeaders: "Content-Type, X-Custom",
allowedMethods: "GET, POST, DELETE",
exposedHeaders: "Content-Length, Authorization",
allowCredentials: "true",
allowMaxAge: "5600",
},
},
{
args: args{
method: "POST",
vary: "",
origin: "https://cors.test",
cfg: Config{
AllowedOrigins: []string{"*"},
AllowedHeaders: []string{"Content-Type", "X-Custom"},
AllowedMethods: []string{"GET", "POST", "DELETE"},
ExposedHeaders: []string{"Content-Length", "Authorization"},
AllowCredentials: true,
AllowMaxAge: 5600,
},
},
want: want{
origin: "https://cors.test",
vary: "Origin",
allowedHeaders: "",
allowedMethods: "",
exposedHeaders: "Content-Length, Authorization",
allowCredentials: "true",
allowMaxAge: "",
},
},
{
args: args{
method: "POST",
vary: "",
origin: "https://cors.test",
cfg: Config{
AllowedOrigins: []string{"https://other.domain.test"},
AllowedHeaders: []string{"Content-Type", "X-Custom"},
AllowedMethods: []string{"GET", "POST", "DELETE"},
ExposedHeaders: []string{"Content-Length", "Authorization"},
AllowCredentials: true,
AllowMaxAge: 5600,
},
},
want: want{
origin: "",
vary: "",
allowedHeaders: "",
allowedMethods: "",
exposedHeaders: "",
allowCredentials: "",
allowMaxAge: "",
},
},
}
for _, test := range tests {
tt := test
t.Run("", func(t *testing.T) {
t.Helper()
m := New(tt.args.cfg)
ctx := new(atreugo.RequestCtx)
ctx.RequestCtx = new(fasthttp.RequestCtx)
ctx.Request.Header.Set(fasthttp.HeaderOrigin, tt.want.origin)
ctx.Request.Header.SetMethod(tt.args.method)
ctx.Response.Header.Set(fasthttp.HeaderVary, tt.args.vary)
if err := m(ctx); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
wantHeadersValue := map[string]string{
fasthttp.HeaderVary: tt.want.vary,
fasthttp.HeaderAccessControlAllowOrigin: tt.want.origin,
fasthttp.HeaderAccessControlAllowCredentials: tt.want.allowCredentials,
fasthttp.HeaderAccessControlAllowHeaders: tt.want.allowedHeaders,
fasthttp.HeaderAccessControlAllowMethods: tt.want.allowedMethods,
fasthttp.HeaderAccessControlExposeHeaders: tt.want.exposedHeaders,
fasthttp.HeaderAccessControlMaxAge: tt.want.allowMaxAge,
}
for headerName, want := range wantHeadersValue {
got := string(ctx.Response.Header.Peek(headerName))
if got != want {
t.Errorf("Header: %s == %s, want %s", headerName, got, want)
}
}
})
}
}
func Test_cors_isAllowedOrigin(t *testing.T) {
allowedOrigins := []string{"https://other.domain.test", "https://cors.test"}
origin := allowedOrigins[0]
if allowed := isAllowedOrigin(allowedOrigins, origin); !allowed {
t.Errorf("Origin == %s, must be allowed", origin)
}
origin = "other"
if allowed := isAllowedOrigin(allowedOrigins, origin); allowed {
t.Errorf("Origin == %s, must not be allowed", origin)
}
allowedOrigins = []string{"*"}
if allowed := isAllowedOrigin(allowedOrigins, origin); !allowed {
t.Errorf("Origin == %s, must be allowed", origin)
}
}