package go_hexcolor import ( "testing" "github.com/stretchr/testify/assert" ) func TestNewHexColor(t *testing.T) { cases := []struct { color string hex string err bool }{ {"#dd22cc", "dd22cc", false}, {"#adf", "aaddff", false}, {"15d", "1155dd", false}, {"a5i", "", true}, } for _, tc := range cases { hc, err := NewHexColor(tc.color) if tc.err { assert.Error(t, err) } else { assert.NoError(t, err) if assert.NotNil(t, hc) { assert.EqualValues(t, tc.hex, hc.hex) } } } }