@Test
public void should_return_null_given_zerotData_when_use_getFormatResult() {
List<String> itemList = new ArrayList<>();
format = new FormatFactory().statrFormat(":", itemList);
HashMap<String, Double> result = format.getFormatResult();
assertThat(result.size(), is(0));
}
@Test
public void should_return_hashMap_given_correctData_when_use_getFormatResult() {
format = new FormatFactory().statrFormat("-", ShopData.cart);
HashMap<String, Double> result = format.getFormatResult();
assertThat(result.size(), is(3));
assertThat(result.get("ITEM000001"), is(3.0));
assertThat(result.get("ITEM000003"), is(2.0));
assertThat(result.get("ITEM000005"), is(2.0));
}
@Test
public void should_return_exception_given_wrongSymblo_when_use_getFormatResult() {
List<String> itemList = new ArrayList<>();
itemList.add("ITEM000001:40");
format = new FormatFactory().statrFormat(":", itemList);
try {
String result = format.getFormatResult().toString();
} catch (IllegalArgumentException e) {
assertThat(e.getMessage(), is("bad format item"));
}
}