more fields testing

field.go

@@ -59,12 +59,6 @@ func fieldFromType(name string, t reflect.Type) Field {
 
 func prependFieldName(name string, f []Field) {
 	for i := range f {
-		if f[i].name == "" {
-			f[i].name = strcase.ToKebab(name)
-			f[i].path = []string{name}
-			continue
-		}
-
 		f[i].name = fmt.Sprintf("%s-%s", strcase.ToKebab(name), f[i].name)
 		f[i].path = append([]string{name}, f[i].path...)
 	}
@@ -160,7 +154,16 @@ func structFields(v reflect.Value) []Field {
 			continue
 		}
 
-		ffi := fieldValues(vi)
+		vvi := vi
+		if unpackType(fi.Type, pointer).Kind() == reflect.Slice {
+			var ok bool
+			vvi, ok = allocate(fi.Type, 1)
+			if !ok {
+				continue
+			}
+		}
+
+		ffi := fieldValues(vvi)
 		if !fi.Anonymous {
 			prependFieldName(fi.Name, ffi)
 		}
@@ -278,11 +281,7 @@ func bindMapField(receiver reflect.Value, values []Field) bool {
 	t := receiver.Type()
 	kt := t.Key()
 	vt := t.Elem()
-	kv, ok := bindScalarCreate(kt, []any{key})
-	if !ok {
-		return false
-	}
-
+	kv, _ := bindScalarCreate(kt, []any{key})
 	vv, ok := bindScalarCreate(vt, v)
 	if !ok {
 		return false
@@ -370,10 +369,6 @@ func bindStructField(receiver reflect.Value, values []Field) bool {
 }
 
 func bindField(receiver reflect.Value, values []Field) bool {
-	if !receiver.IsValid() {
-		return false
-	}
-
 	if values[0].name == "" && len(values[0].path) == 0 {
 		ret := bindScalarField(receiver, values)
 		return ret

field_test.go

@@ -128,6 +128,14 @@ func TestField(t *testing.T) {
 				t.Fatal(notation.Sprint(f))
 			}
 		})
+
+		t.Run("list of struct", func(t *testing.T) {
+			type s struct{Foo []struct{Bar int}}
+			f := bind.Fields[s]()
+			if len(f) != 1 || f[0].Name() != "foo-bar" || !f[0].List() {
+				t.Fatal()
+			}
+		})
 	})
 
 	t.Run("field values", func(t *testing.T) {
@@ -358,6 +366,22 @@ func TestField(t *testing.T) {
 				t.Fatal(notation.Sprint(f))
 			}
 		})
+
+		t.Run("list of struct", func(t *testing.T) {
+			type s struct{Foo []struct{Bar int}}
+			var v s
+			f := bind.FieldValues(v)
+			if len(f) != 1 || f[0].Name() != "foo-bar" || !f[0].List() {
+				t.Fatal(notation.Sprint(f))
+			}
+		})
+
+		t.Run("nil", func(t *testing.T) {
+			f := bind.FieldValues(nil)
+			if len(f) != 0 {
+				t.Fatal()
+			}
+		})
 	})
 
 	t.Run("bind fields", func(t *testing.T) {
@@ -711,6 +735,19 @@ func TestField(t *testing.T) {
 			}
 		})
 
+		t.Run("pointer field with invalid value", func(t *testing.T) {
+			type s struct {Foo *struct{ Bar int }}
+			var v s
+			u := bind.BindFields(
+				&v,
+				bind.NamedValue("foo-bar", "baz"),
+			)
+
+			if len(u) != 1 {
+				t.Fatal()
+			}
+		})
+
 		t.Run("unsupported pointer fields", func(t *testing.T) {
 			type s struct {
 				Foo *int
@@ -823,6 +860,14 @@ func TestField(t *testing.T) {
 				t.Fatal(notation.Sprint(u), notation.Sprint(v))
 			}
 		})
+
+		t.Run("scalar map with invalid field type", func(t *testing.T) {
+			v := make(map[string]int)
+			u := bind.BindFields(v, bind.NamedValue("foo", "bar"))
+			if len(u) != 1 {
+				t.Fatal()
+			}
+		})
 	})
 
 	t.Run("bind fields create", func(t *testing.T) {