Function TestSetWildcard

wildcard_test.go:153–197

Verifies: SYS-REQ-113 (wildcard path support) reqproof:proptest:skip targeted witness/regression test; not a property-test subject SYS-REQ-113:nominal:nominal SYS-REQ-113:malformed_input:nominal SYS-REQ-113:malformed_input:negative

(t *testing.T)

// SYS-REQ-113:malformed_input:nominal
// SYS-REQ-113:malformed_input:negative
func TestSetWildcard(t *testing.T) {
	t.Run("sets field on every item", func(t *testing.T) {
		data := []byte(`{"items":[{"id":1},{"id":2}]}`)
		got, err := SetWildcard(data, []byte(`true`), "items", "[*]", "flag")
		if err != nil {
			t.Fatalf("SetWildcard() error = %v, want nil", err)
		}

		want := `{"items":[{"id":1,"flag":true},{"id":2,"flag":true}]}`
		if string(got) != want {
			t.Fatalf("SetWildcard() = %s, want %s", got, want)
		}
	})

	t.Run("multiple wildcards", func(t *testing.T) {
		data := []byte(`{"groups":[{"items":[{"flag":false},{"flag":false}]},{"items":[{"flag":false}]}]}`)
		got, err := SetWildcard(data, []byte(`true`), "groups", "[*]", "items", "[*]", "flag")
		if err != nil {
			t.Fatalf("SetWildcard() error = %v, want nil", err)
		}

		want := `{"groups":[{"items":[{"flag":true},{"flag":true}]},{"items":[{"flag":true}]}]}`
		if string(got) != want {
			t.Fatalf("SetWildcard() = %s, want %s", got, want)
		}
	})

	t.Run("empty array is unchanged", func(t *testing.T) {
		data := []byte(`{"items":[]}`)
		got, err := SetWildcard(data, []byte(`true`), "items", "[*]", "flag")
		if err != nil {
			t.Fatalf("SetWildcard() error = %v, want nil", err)
		}
		if string(got) != string(data) {
			t.Fatalf("SetWildcard() = %s, want unchanged %s", got, data)
		}
	})

	t.Run("wildcard requires array", func(t *testing.T) {
		_, err := SetWildcard([]byte(`{"items":{"flag":false}}`), []byte(`true`), "items", "[*]", "flag")
		if !errors.Is(err, MalformedArrayError) {
			t.Fatalf("SetWildcard() error = %v, want %v", err, MalformedArrayError)
		}
	})
}