package catalogue

import (
	"strings"
	"testing"
)

// 1354/AC3: a contribution placed only where the machine reports the user namespaces capability (the name issue 1308 has
// the node-engine report) is accepted, and a misspelt name is still refused with today's words. The manifests are the
// shape of TestIfACapabilityNamesOneTheNodeEngineDetectsOnAnOfferedKindOnly (mesh-control 6c2a8d62
// internal/catalogue/seat_data_test.go:105), which stays in mesh-controller with the tests that read its other packages.
func TestIfACapabilityMayNameUserNamespaces(t *testing.T) {
	const piece = `{"module":"power","contributions":[{"seat":"node-bar","kind":"block","if-capability":%q,"data":{"bar":"top","place":"status","shows":"battery"}}]}`
	if _, err := ParseManifest([]byte(strings.Replace(piece, "%q", `"user-namespaces"`, 1))); err != nil {
		t.Fatalf("if-capability user-namespaces was refused: %v", err)
	}
	for name, want := range map[string]string{
		"user-namespace":  "which no machine reports",
		"userns":          "which no machine reports",
		"user_namespaces": "is not a capability's name",
	} {
		_, err := ParseManifest([]byte(strings.Replace(piece, "%q", `"`+name+`"`, 1)))
		if err == nil || !strings.Contains(err.Error(), want) {
			t.Errorf("%s: accepted, or refused without today's words %q: %v", name, want, err)
		}
	}
	if !oneOf(KnownCapabilities, "user-namespaces") {
		t.Error("user-namespaces is not a known capability")
	}
	for _, name := range []string{"battery", "power-meter", "seat", "container-runtime"} {
		if !oneOf(KnownCapabilities, name) {
			t.Errorf("%s is no longer a known capability", name)
		}
	}
}