/**
* Tests that {@link Type#selectableConvert} returns either the native type or a selector on that
* type, in accordance with the provided input.
*/
@SuppressWarnings("unchecked")
@Test
public void testSelectableConvert() throws Exception {
Object nativeInput = Arrays.asList("//a:a1", "//a:a2");
Object selectableInput =
SelectorList.of(
new SelectorValue(
ImmutableMap.of(
"//conditions:a",
nativeInput,
Type.Selector.DEFAULT_CONDITION_KEY,
nativeInput)));
List<Label> expectedLabels = ImmutableList.of(Label.create("a", "a1"), Label.create("a", "a2"));
// Conversion to direct type:
Object converted = Type.LABEL_LIST.selectableConvert(nativeInput, null, currentRule);
assertTrue(converted instanceof List<?>);
assertSameContents(expectedLabels, (List<Label>) converted);
// Conversion to selectable type:
converted = Type.LABEL_LIST.selectableConvert(selectableInput, null, currentRule);
Type.SelectorList<?> selectorList = (Type.SelectorList<?>) converted;
assertSameContents(
ImmutableMap.of(
Label.parseAbsolute("//conditions:a"), expectedLabels,
Label.parseAbsolute(Type.Selector.DEFAULT_CONDITION_KEY), expectedLabels)
.entrySet(),
((Type.Selector<Label>) selectorList.getSelectors().get(0)).getEntries().entrySet());
}
/** Tests that {@link Type#convert} fails on selector inputs. */
@Test
public void testConvertDoesNotAcceptSelectables() throws Exception {
Object selectableInput =
SelectorList.of(
new SelectorValue(
ImmutableMap.of("//conditions:a", Arrays.asList("//a:a1", "//a:a2"))));
try {
Type.LABEL_LIST.convert(selectableInput, null, currentRule);
fail("Expected conversion to fail on a selectable input");
} catch (ConversionException e) {
assertThat(e.getMessage()).contains("expected value of type 'list(label)'");
}
}