package core

import (
	"strings"
	"testing"
)

// The site revision is the site-level analogue of RepoInfo.GPGKeyring: it
// must be part of contentIdentity or a notice change cannot invalidate the
// module cache or the response ETag.
func TestContentIdentityIncludesSiteRevision(t *testing.T) {
	a := NewCtx(&Site{RevFn: func() string { return "rev-a" }}, nil, RepoInfo{}, "main")
	b := NewCtx(&Site{RevFn: func() string { return "rev-b" }}, nil, RepoInfo{}, "main")
	a.Commit, b.Commit = "sha", "sha"
	if a.contentIdentity() == b.contentIdentity() {
		t.Fatal("site revision is not part of contentIdentity")
	}
}

// Tests construct bare *Ctx values (see blob_test.go) and LoadTemplates
// parses with &Ctx{}; contentIdentity must tolerate a nil Site.
func TestContentIdentityNilSite(t *testing.T) {
	got := (&Ctx{}).contentIdentity()
	if !strings.HasPrefix(got, "|") {
		t.Fatalf("contentIdentity() = %q", got)
	}
}