Resolve entered command routes to canonical paths

internal/alias/provenance_test.go

@@ -0,0 +1,28 @@
+package alias
+
+import (
+	"reflect"
+	"testing"
+
+	"gitea.maximumdirect.net/eric/CommandKit/internal/commandpath"
+)
+
+func TestResolveWithProvenanceCarriesInputOriginsThroughChains(t *testing.T) {
+	resolver, err := NewResolver([]Mapping{
+		{Source: commandpath.Path{"collections"}, Target: commandpath.Path{"list", "collections"}},
+		{Source: commandpath.Path{"list", "collections"}, Target: commandpath.Path{"promptkit", "list", "collections"}},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	path := commandpath.Path{"collections", "--format", "yaml"}
+	gotPath, gotOrigins := resolver.ResolveWithProvenance(path)
+	if want := (commandpath.Path{"promptkit", "list", "collections", "--format", "yaml"}); !reflect.DeepEqual(gotPath, want) {
+		t.Fatalf("resolved path = %v, want %v", gotPath, want)
+	}
+	wantOrigins := [][]int{{0}, {0}, {0}, {1}, {2}}
+	if !reflect.DeepEqual(gotOrigins, wantOrigins) {
+		t.Fatalf("origins = %v, want %v", gotOrigins, wantOrigins)
+	}
+}