Function TestEdgeCases

pointer_test.go:1053–1142

(t *testing.T)

}

func TestEdgeCases(t *testing.T) {
	t.Parallel()

	t.Run("set at pointer against an unsupported type (int) should error", func(t *testing.T) {
		p, err := New("/invalid")
		require.NoError(t, err)
		_, err = p.Set(1, 1234)
		require.Error(t, err)
		require.ErrorIs(t, err, ErrUnsupportedValueType)
	})

	t.Run("set with empty pointer", func(t *testing.T) {
		p, err := New("")
		require.NoError(t, err)

		doc := testDocumentJSON(t)
		newDoc, err := p.Set(doc, 1)
		require.NoError(t, err)

		require.Equal(t, doc, newDoc)
	})

	t.Run("with out of bounds index", func(t *testing.T) {
		p, err := New("/foo/10")
		require.NoError(t, err)

		t.Run("should error on Get", func(t *testing.T) {
			_, _, err := p.Get(testStructJSONDoc(t))
			require.Error(t, err)
			require.ErrorContains(t, err, "index out of bounds")
		})

		t.Run("should error on Set", func(t *testing.T) {
			_, err := p.Set(testStructJSONPtr(t), "peek-a-boo")
			require.Error(t, err)
			require.ErrorContains(t, err, "index out of bounds")
		})
	})

	t.Run("Set with invalid pointer token", func(t *testing.T) {
		doc := testStructJSONDoc(t)
		pointer, err := New("/foo/x")
		require.NoError(t, err)

		_, err = pointer.Set(&doc, "yay")
		require.Error(t, err)
		require.ErrorContains(t, err, `Atoi: parsing "x"`)
	})

	t.Run("Set with invalid reference in struct", func(t *testing.T) {
		doc := struct {
			A func() `json:"a"`
			B []int  `json:"b"`
		}{
			A: func() {},
			B: []int{0, 1},
		}