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package chi
import "testing"
// TestRoutePattern tests correct in-the-middle wildcard removals.
// If user organizes a router like this:
//
// (router.go)
//
// r.Route("/v1", func(r chi.Router) {
// r.Mount("/resources", resourcesController{}.Router())
// }
//
// (resources_controller.go)
//
// r.Route("/", func(r chi.Router) {
// r.Get("/{resource_id}", getResource())
// // other routes...
// }
//
// This test checks how the route pattern is calculated
// "/v1/resources/{resource_id}" (right)
// "/v1/resources/*/{resource_id}" (wrong)
func TestRoutePattern(t *testing.T) {
routePatterns := []string{
"/v1/*",
"/resources/*",
"/{resource_id}",
}
x := &Context{
RoutePatterns: routePatterns,
}
if p := x.RoutePattern(); p != "/v1/resources/{resource_id}" {
t.Fatal("unexpected route pattern: " + p)
}
x.RoutePatterns = []string{
"/v1/*",
"/resources/*",
// Additional wildcard, depending on the router structure of the user
"/*",
"/{resource_id}",
}
// Correctly removes in-the-middle wildcards instead of "/v1/resources/*/{resource_id}"
if p := x.RoutePattern(); p != "/v1/resources/{resource_id}" {
t.Fatal("unexpected route pattern: " + p)
}
x.RoutePatterns = []string{
"/v1/*",
"/resources/*",
// Even with many wildcards
"/*",
"/*",
"/*",
"/{resource_id}/*", // Keeping trailing wildcard
}
// Correctly removes in-the-middle wildcards instead of "/v1/resources/*/*/{resource_id}/*"
if p := x.RoutePattern(); p != "/v1/resources/{resource_id}/*" {
t.Fatal("unexpected route pattern: " + p)
}
x.RoutePatterns = []string{
"/v1/*",
"/resources/*",
// And respects asterisks as part of the paths
"/*special_path/*",
"/with_asterisks*/*",
"/{resource_id}",
}
// Correctly removes in-the-middle wildcards instead of "/v1/resourcesspecial_path/with_asterisks{resource_id}"
if p := x.RoutePattern(); p != "/v1/resources/*special_path/with_asterisks*/{resource_id}" {
t.Fatal("unexpected route pattern: " + p)
}
// Testing for the root route pattern
x.RoutePatterns = []string{"/"}
// It should just return "/" as the pattern
if p := x.RoutePattern(); p != "/" {
t.Fatal("unexpected route pattern for root: " + p)
}
// Testing empty route pattern for nil context
var nilContext *Context
if p := nilContext.RoutePattern(); p != "" {
t.Fatalf("unexpected non-empty route pattern for nil context: %q", p)
}
}
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