byLength generates a random size array of examples based on what's given.
(a *AttributeExpr, r *ExampleGenerator)
| 154 | |
| 155 | // byLength generates a random size array of examples based on what's given. |
| 156 | func byLength(a *AttributeExpr, r *ExampleGenerator) any { |
| 157 | count := NewLength(a, r) |
| 158 | // Use unaliased type to handle alias types (e.g., Type("Alias", String)) |
| 159 | dt := unalias(a.Type) |
| 160 | switch dt.Kind() { |
| 161 | case StringKind: |
| 162 | return r.Characters(count) |
| 163 | case BytesKind: |
| 164 | return []byte(r.Characters(count)) |
| 165 | case MapKind: |
| 166 | raw := make(map[any]any) |
| 167 | m := dt.(*Map) |
| 168 | for range count { |
| 169 | raw[m.KeyType.Example(r)] = m.ElemType.Example(r) |
| 170 | } |
| 171 | return m.MakeMap(raw) |
| 172 | case ArrayKind: |
| 173 | raw := make([]any, count) |
| 174 | ar := dt.(*Array) |
| 175 | for i := range count { |
| 176 | raw[i] = ar.ElemType.Example(r) |
| 177 | } |
| 178 | return ar.MakeSlice(raw) |
| 179 | default: |
| 180 | panic("invalid type for length validation: " + a.Type.Name()) |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | // byEnum returns a random selected enum value. |
| 185 | func byEnum(a *AttributeExpr, r *ExampleGenerator) any { |