TestMappingPtrField() — gin Function Reference

Source Code

binding/form_mapping_test.go lines 444–475

func TestMappingPtrField(t *testing.T) {
	type ptrStruct struct {
		Key int64 `json:"key"`
	}

	type ptrRequest struct {
		Items []*ptrStruct `json:"items" form:"items"`
	}

	var err error

	// With 0 items.
	var req0 ptrRequest
	err = mappingByPtr(&req0, formSource{}, "form")
	require.NoError(t, err)
	assert.Empty(t, req0.Items)

	// With 1 item.
	var req1 ptrRequest
	err = mappingByPtr(&req1, formSource{"items": {`{"key": 1}`}}, "form")
	require.NoError(t, err)
	assert.Len(t, req1.Items, 1)
	assert.EqualValues(t, 1, req1.Items[0].Key)

	// With 2 items.
	var req2 ptrRequest
	err = mappingByPtr(&req2, formSource{"items": {`{"key": 1}`, `{"key": 2}`}}, "form")
	require.NoError(t, err)
	assert.Len(t, req2.Items, 2)
	assert.EqualValues(t, 1, req2.Items[0].Key)
	assert.EqualValues(t, 2, req2.Items[1].Key)
}